Pool Improvement

Best Pool Heaters Reviewed in 2019 – Buying Guide

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Best-Pool-Heater-Presented-by-Best-Swimming-ToolsIf you’re reading this, I believe you have decided to enjoy the benefits of having a swimming pool heater. Whether to have or not entirely depends on an individual decision. However, in general, it’s a good idea. As we know, swimming pools have a lot of benefits.

They are not just places to swim during the summer. Many people like me use it for only swimming but also relaxing, exercising, or even socializing. If you’re among these people but you live in an area where weather can change quickly, or you don’t like cold water, getting a pool heater can be a blessing. Let’s see all the best heaters trending on the markets.

Once you’ve decided to get a pool heater, you will now have to think on which to buy, where to buy and how to buy. You’ll need to choose the type of heater you want to purchase and choosing the best pool heating system for your needs will depend on your specific needs, your budget and the design of your pool and your home.

Quick Answer: The Best Pool Heater

It’s not as simple as you may think. You need to do thorough research to ensure you have the best and only the best. And because I’ve decided to offer the help on finding the best pool heater, I’ve done all the research required and came up with this review document.

The document contains top best pool heart available today, buyers guide and frequently asked a question you might need answers to when buying. Read it through to ensure that you get a model that will not only fit your pool but will also give you the best performance and last for long.

You may also see Best Solar Pool Heaters for Above Ground & Inground Pools.

Brand & NameBTU Up ToVoltPrice
Hayward H400FDN400,000110v or 220vCheck Price
Hayward HP50TA50,000220vCheck Price
Hayward H100ID1100,000 BTU120 voltCheck Price
Pentair 460736400,000 BTU120 or 240 voltsCheck Price
FibroPool FH05555,000 btu220 voltsCheck Price
Pentair 460930-230 VoltCheck Price
EcoSmart Electric Heater- 240 VCheck Price
Sta-Rite SR400LP400,000220 volt to 110Check Price
Pentair 460737400,000-Check Price
Raypak 206,000206,000120/240vCheck Price

1. Hayward H400FDN – Pool and Spa Heater with Natural Gas

The Hayward H400FDN is a universal H-Series pool and spa heater that uses natural gas to provide you with a 400,000 BTU. It’s specifically designed to heat those large pools effortlessly within a short time.Hayward H400FDN – Pool and Spa Heater with Natural Gas

The model is a quiet and energy-efficient heater. It can warm large pools and spas by 30 degrees Celsius and in an hour. The reliable hot-surface Silicon Nitride Ignition system, initiated with a touch of a button, makes starting up the heater to be a breeze.

By equalizing the flow velocity through all the pool pipes, this heater maintains a faster water heating. It also comes with an LED control panel which makes it easy to read out the current pool water temperature. On top of that, this unit is designed to run self-diagnostic tests in case of malfunctioning automatically.

The Hayward H400FDN universal is built to be eco-friendly. It has a very low Nitrogen Oxide emission and meets all the air quality standards. It is easy-to-read and intuitive LED digital control panel.

You will love to hear that it comes with a copper-nickel heat exchanger, which is inbuilt making it suitable for saltwater pool system too. The maker uses durable and rustproof materials to build this heating unit, making it suitable to work outdoors.

Pros:

  • Universal H-Series Natural Gas Heater
  • 2-inch x 2.5-inch CPVC union plumbing connections
  • Cupro-nickel advanced Finn plate heat exchanger
  • Patented header by-pass design
  • Low NOx emissions

Cons:

  • Fairly loud
  • A high cost of operation due to the constant need of fuel

2. Hayward HP50TA – with Acoustic Compressor Cover

The Hayward HP50TA HeatPro is a pool heat pump you have to consider using to heat your above-ground pool. It comes with a 50,000BTUs and can warm a 15,000-gallon pool to 85 degree Celsius in just a couple of days.Hayward HP50TA – with Acoustic Compressor Cover

The model features an impressive 84% energy efficiency rating, making it a super energy efficient unit. Although its price is higher than the gas pool heaters that produce greater BTUs, its savings allows it to start paying for itself from day one.

The Hayward HP50TA HeatPro has been made from durable, high-quality materials. All its crucial parts which are prone to weather damage are made of highly corrosion resistant materials. The maker extends the reliable construction quality by using Ultra-Gold evaporator coils.

Aside from that, the unit also comes with lightweight, robust and study body panels. These panels are both injection molded and UV resistant for an added durability.

The formidable injection molded polypropylene Hayward HP50TA HeatPro body ensure that it is not affected by rust or corrosion and no possibility of discoloring.

The model has the best operation quietness thanks to its acoustic compressor cover, the brand’s patented soundproofing, and the swept-wing fan blade. With a lightweight and compact design, the unit installation is an easy and straightforward DIY process.

Pros:

  • Ultra-Gold Corrosion-resistant evaporator coil
  • Titanium heat exchanger
  • Easy-to-use digital LED control panel
  • Swimming pool heat pump
  • Acoustic compressor cover
  • 2-inch x 2.5-inch CPVC union plumbing connections

Cons:

  • Expensive for its performance
  • Better for small pools

3. Hayward H100ID1 – Above Ground Pool & Spa Heater

If you’re looking for an above-ground pool heater model, which uses natural gas with low NOx emissions, then this is an ideal choice for you. The Hayward H100IDP1 H-Series is an above-ground spa and pool heater with a 100,000 BTU. This BTU allows it to be used with small above-ground spas and pools.Hayward H100ID1 – Above Ground Pool & Spa Heater

The Hayward designed this heater with convenience, superior performance and safety in mind. It comes with a reliable one-touch button controlled electronic ignition which makes it easy for anyone to start it quickly. For easy installation, the unit is equipped with a 120-volt electric cord.

Another thing you’ll love about this unit is its single-piece copper heat exchanger. The design ensures that the H100ID1 provides you with years of incredible performance with no leakage issues. The model also uses a Jet ported Eugenox burner which is a top-notch burner and requires less maintenance.

With the installation of the Hayward H100ID1 H-Series to your pool heating system, you’ll be assured of top heating performance for years, thanks to its revolutionary induced draft technology. The technology allows the unit to operate flawlessly under any weather.

Pros:

  • Automatic operation Electronic, direct-spark ignition
  • Reduced emissions design for environment-friendly heating
  • Revolutionary induced draft technology
  • Convenient On/Off switch
  • All-weather performance
  • Energy efficient and budget friendly

Cons:

  • Expensive
  • Short lifespan

4. Pentair 460736 – Eco-Friendly Pool Heater, Natural Gas

Gift yourself with a peace of mind by getting a high-performing and an eco-friendly pool heater – the Pentair 460736 MasterTemp. It’s a 400,000 BTU heater that uses natural gas to efficiently heat your pool, thanks to it being a fully pre-mixed system.Pentair 460736 – Eco-Friendly Pool Heater, Natural Gas

It comes with a new design which ensures safety and reliability with its tough exterior and easy to use digital LED controls. I liked the fact that the unit’s surface ignition uses a one-touch push button and digital control to start it up, making it as easy as operating a typical home heating system.

It comes with user-friendly indicator lights making the system operation and monitoring a breeze. No matter the unit’s positioning on the equipment pad, the rotating, easy-to-view digital LED display places the heater controls front and center.

The Pentair 460736 MasterTemp comes with a cupro-nickel heat exchanger which withstands the harshest applications like heavy use, low pH and high flow rate. Additionally, the unit has a robust, rust-proof composite exterior allowing it to handle heat and weather elements. The heater is low NOx certified and meet all strict air quality standards.

Pros:

  • Quiet and Compact heater for pool or spa
  • Operates at 120 or 240 volts
  • Tough, rustproof exterior
  • Rotating digital display
  • Manual gas shut-off when the service is required
  • Certified for low NOx emissions
  • 2-inch PVC slip unions

Cons:

  • A little loud when in full swing
  • Requires lots of natural gas

5. FibroPool FH055 – In Ground Swimming Pool Heater

The FibroPool FH055 is a great well-performing pool heater with 50,000 BTU. That makes it ideal for 21 feet deep or 15ft by 30ft and up to 10,000 gallons in-ground pools.FibroPool FH055 – In Ground Swimming Pool Heater

The manufacturer uses a Copeland high-pressure differential compressor together with a titanium heat exchanger, to maximize its energy efficiency to achieve the 5.92 COP. That means, for each dollar of electricity the FH055 use, the equivalent 5.92x heat it will output.

You will also love the sleek design employed on this FH055 heater. It comes with a slim profile, a weather-proof case which is designed to accommodate some placement options. The easy-set digital control panel provides quick access to all the heater controls. Additionally, the unit features an enamel-coated steel chassis designed to withstand all weather elements.

The unit installation is a quick process which needs less than 30 minutes of your precious time. Also, the heating system in this model will ensure you get comfortable swimming conditions of down to 40°F outdoor temperature, thus extending your swimming season.

The model is clean electricity powered reducing the harmful environmental effects. It runs on a 12-gauge, 220V circuit and is not compatible with the 110V circuit.

Pros:

  • Long-lasting All-metal, enamel coated case
  • 100% Titanium heat exchanger
  • A digital easy-to-read display and controller
  • Quick 1 1/2″ PVC disconnect piping
  • Thermal efficiency rated at 5.92
  • CE rated

Cons:

  • Not UL listed
  • Produces 50,000 BTU only

6. Pentair 460930 – Electric Pool Heat Pump

If you’re looking for a pool heater that will allow you to swim longer and more comfortably, then you need the Ultratemp 70 Heat pump from Pentair. It uses a fraction of its energy to produce the same heating effect as the gas heater.Pentair 460930 – Electric Pool Heat Pump

The unit will provide you with best class efficiency and performance along with environmental superiority. Pentair Ultratemp comes with auto-set temperature control which turns it on and off overriding the timer clock keeping the water at the desired temperature setting.

I loved the user-friendly LCD control board displays on this unit. They are intuitive, menu-driven readout that comes with an easy-to-follow, complete word-messages. Furthermore, the model comes with a 100% titanium heat exchanger which assure a corrosion-free performance and value for a long time.

The Emerson Copeland Scroll compressing system on this unit is more durable, reliable and efficient than the piston driven compressors.

Another feature that attracted my attention is the TXV (Thermostatic Expansion Valve). It works in controlling the refrigerant flow for the optimal efficiency and high BTU output for a wide outdoor temperature range.

The model is EPA approved to provide environmentally safe R410-A refrigerant. You will love to hear that it also features an automatic defrost which senses refrigerant temperature while keeping it from freezing.

Pros:

  • A user-friendly LCD control panel
  • State-of-the-art compressors and titanium heat exchanger
  • An Eco Select rated and ETL listed
  • 10-year compressor parts warranty
  • Lifetime warranty on titanium heat exchanger
  • Self-diagnostic software

Cons:

  • Not efficient when air or water temperatures are too low

7. EcoSmart Electric Heater – Tankless Pool Heater with Self Modulating Technology

The EcoSmart SMART POOL 27 comes as a tank-less pool heater. It is the most compact heater on my list. It is powered by a 240-volt, 112.5 Amps circuit to give a power output of 27kW or 92,000 BTU.EcoSmart Electric Heater - Tankless Pool Heater with Self Modulating Technology

The heater is ideal for pools up to 15,000 gallons, and it’s 99.8% energy efficient, regardless of the ambient temperature. The unit uses flow sensor technology reducing the risk of internal elements from burning.

The EcoSmart SMART POOL 27 also comes with a digital temperature display and dial which allows the setting of preferred temperature in 1-degree increment (between 80 and 140 degrees Fahrenheit). You can use the heater in two ways.

If you have a small pool, this unit will heat the water for you. But, if you have a large pool, use it to boost your pool heat especially in conjunction with another heat pump.

The EcoSmart SMART POOL 27 is designed to be installed in indoors and works perfectly for small in-ground pools. The pump exterior is not weather of rustproof, and that’s why it is designed for indoor installation. You need to be careful when setting the temperature as this unit does not come with a timer and do not have a self-diagnostic feature.

Pros:

  • Flow Activation
  • 27 kW 240V Electric Circuit
  • Stainless Steel Water Tank – No Expansion
  • Flow sensor Activation
  • Micro-processing technology
  • Digital Temperature Control
  • 99.8% efficient

Cons:

  • Doesn’t have self-diagnostic features
  • Not weatherproof

8. Sta-Rite SR400LP – Best Pool And Spa Heater

The Sta-Rite Max-E-Therm is a 400,000 BTU lightweight pool heater that will make you enjoy long pool swim. It lowers the pool heating operation cost by a considerable margin since it features an 84% efficiency rating.Sta-Rite SR400LP - Best Pool And Spa Heater

It comes with a sleek rustproof outer casing while its interior components protected by a Dura-Glas. The use of these durable materials improves its durability. Additionally, the Dura-Glas is an exclusive Sta-Rite material with PVC union connections and plastic manifold designed to withstand pressure and heat.

The lightweight design of this model makes it easy to have it installed. It is classified as the lightest heater in its pool heating devices class. Furthermore, the Sta-Rite Max-E-Therm uses propane as its power source. And because of this, the model is eco-friendly, highly cost-efficient and certified for low NOx emissions, thus going above industry standards. The cupro-nickel heat exchanger can handle high-flow, low pH, as well as harsh application.

You will love the fact that this Sta-Rite Max-E-Therm comes with an LED temp readout. The readout is an easy-to-use feature that has dual thermostat controls, 6-position control panel and a temp safety lockout. Additionally, it’s equipped with a PMG burner technology ensuring it does not require any outdoor draft hood.

Pros:

  • Extremely lightweight
  • Elegant and rustproof body
  • Fast heat up with 85% efficiency rating
  • Environmentally Friendly: low NOx emission
  • Easy-to-read conveniently positioned control panel
  • A heavy-duty cupro-nickel heat exchanger

Cons:

  • Loud operation
  • Poor customer service

9. Pentair 460737 – Propane Gas High-Performance Eco-Friendly Heater

The Pentair 460737 MasterTemp is a high-performance and eco-friendly pool heater. The model has proven to be durable, energy-efficient and reliable to many pool owners.Pentair 460737 – Propane Gas High-Performance Eco-Friendly Heater

I came across so many positive reviews on this model which pushed me to review it. What does it offer to its users? The heater can use both propane and natural gas.

It has been designed to be user-friendly with the rotating digital LED display. The display provides easy unit operation and monitoring, and this is what left a lot of its user quite happy.

Additionally, the control panel shows the water temperature and the five LED lights provides the system status which indicates when the heater needs servicing. The Pentair MasterTemp provides a quick-heating with an 84% thermal efficiency. I recommend it if you’re searching for an easy to operate a pool heater.

The model has been constructed with ultra-quietness in mind. And because of that, it won’t bother you when you’re relaxing in your pool. One other thing you’ll love about the Pentair 460737 MasterTemp is its weatherproof exterior. The design protects the unit’s internal components while also preventing it from rust and corrosion.

Pros:

  • Tough, weatherproof and rustproof exterior
  • Cupro-nickel heat exchanger
  • Certified for low NOx emissions
  • Rotating digital display
  • Energy efficient and cost-effective
  • UL and CUL approved

Cons:

  • Gets quite hot when it’s operating

10. Raypak 206,000 – Electronic Ignition Natural Gas Pool Heater

The Raypak digital is a natural gas heater with an easy-to-use electronic ignition. The heater is engineered with an easy-to-use design in mind. It comes with simple controls, and easy-to-read LED display. The digital display informs when the heater is heating the water and when the target temperature has been reached.Raypak 206,000 – Electronic Ignition Natural Gas Pool Heater

Additionally, the microprocessor-controlled thermostat is used to set the desired pool temperature, when reached the heater stops heating the water. The heater uses the most robust and reliable spark-to-pilot ignition system.

I love the unit’s exterior design as it features a built to the last cabinet which is also wind resistant. This weatherproof outer cabinet protects the system from wind, falling debris, snow, sleet, and another weather element. Both the casing and the internals are made of rust resistance and non-corrosive. The copper finned tubes used on this model allow maximum heat transfer.

The Raypak pool heater comes with self-diagnostic controls which allow troubleshooting while determining any system faults. The heater has a system which reports how long it has run and the times it has fired.

The system also monitors and measure the pilot flame signal. This feature also helps in low motoring voltage electrical supply ensuring proper wiring during installation.

Pros:

  • A stainless steel tube sheet
  • PolyTuf textured powder coating
  • 2-inch CPVC water connections
  • All copper-fin-tube heat exchanger
  • Operates on 120/240 volts
  • Rust resistant and non-corrosive Cabinet and internals

Cons:

  • Designed for residential use only
  • A bit more challenging to connect to water supplies due to the vertical plumbing fixtures

Best Pool Heater Buying Guide & Buying (FAQs)

The review above gives you the top ten best pool heaters available today. But, that is only a list of the item to choose from. Picking one isn’t as simple as you may think. There are factors you need to consider so that you can pick the best match for your heating needs.

I have prepared a list of the things to consider to ensure you have an easy time selecting the best model. Here are the top factors to consider while choosing the best pool heater.

What to Look for in a Pool Heater:

Pool Size

The next thing to consider is the size of your pool because the heater resistance of the pool will also have to adapt to your pool size. It must be strong enough to adequately heat the entire volume of the pool water so as not to have cold dishes. Pool size plays a huge role when searching for the best pool heater.

Pool size will help you understand how first it becomes warm when heated by a pool heater. The bigger the volume, the higher the BTU the pump should have. Use the following formula to determine what size of heater you need. If your pool has straight walls you can loosely calculate its volume using this formula (in feet):

  • Volume in gallons = Average length x average width x average depth x 7.5
  • And if your pool is a freedom pool (without straight walls), this formula is a bit more accurate:
  • Pool volume in gallons = Average length x average width x average depth x 7

Pool type

In-ground or above ground? The pool heating differs a lot when it comes to this question. Installing an above-ground pool heater isn’t the same with getting an in-ground pool heater. The connections on an above-ground pool heater are different with those of an in-ground pool. I suggest you make a wise decision if you do to do modifications to your swimming pool while trying to fix your need pool heater.

Pool heater type

By having established the type of your pool, the next thing you need to consider is the type of heater to select. There are three main types, namely Gas, electric (the heat pumps) and solar heaters. I will go through each type to elaborate what they involve and their working mechanism.

1) Gas Pool Heaters

The gas pool heaters are the most common type of pool heaters. They can provide heat faster as they’re the most powerful. In-ground gas pool heaters can produce up to 400,000 BTUs. These type of heaters are particularly useful if you need to raise the pool quickly and intermittently. They use natural gas or propane.

The gas heaters are available in two versions; the Electronic and the Millivolt versions. The electronic model features a microprocessor which controlled with electric spark ignition. On the other hand, Millivolt version comes with a pilot light that burns all the time with a little waste of gas.

However, the heater might be powerful, but the use of natural gas or propane makes it expensive to run. I suggest you go for this type if you want to heat a vast pool, and quickly.

2) Electric Pool Heaters

Electric pool heaters use direct electrical current. They’re suitable for small above-ground pool. The commonly known types are heat pumps. These models work by transferring heat from the pool surrounding air into your pool water and not generating heat for themselves.

That means regarding energy used vs. its output; they can be nearly hundred percent efficient. Because of this, they’re cheaper regarding running costs, and they’re more environmentally friendly.

When I was reading the customers’ review, I learned that they also have a longer lifetime than the gas heaters. However, they also have a negative side. These pumps aren’t as powerful as the gas heaters are. They are great when running continuously for maintaining pool temperature. The heaters also work correctly with a minimum of 45 degrees air temperature.

3) Solar Pool Heaters

The solar pool heaters work by pumping cold water through the solar panels. They are designed to accumulate solar energy and use it to heat the water. The bigger the surface area of a solar panel the better the efficiency and equals the surface area of the pool. Solar panels are quite expensive the other two types but they last longer, and they are cheaper to run. Furthermore, they’re the best environmental friendly heaters available.

Although I have given them all the praises, these type of heater requires a lot of considerations if you need to have the best. Also, to have it installed correctly, you will need professional help, and you need a lot of attention too like the climate, solar resource, safety issues, and the local building code requirements. It’s a lot. Right? Then go for it if you can afford to meet all these requirements.

Just make sure that it does not matter what type of heater you choose to install, make sure it is safe and that all fuel cables or tanks are away from children.

Environmental Conditions

What are the weather conditions do your swimming pool encounter on a daily basis? Is it rainy, windy, hot or cold? These will determine the type of pool heater that’s best for you. For instance, if your pool is mostly affected with rains or you live in an area where it gets cloudy almost the whole day, a solar heater is a terrible choice. Mainly because it only works when the sun is shining.

Additionally, the air temperature, wind and other temperature related environmental factors will determine how fast your pool need to be heated. Cold air and increased wind accelerate heat loss due to evaporation, necessitation for a speedier heating output energy to heat the pool. I suggest you consider typical weather conditions while determining the size of the pool heater that will be best for you.

Size of the heater in BTUs

The different types of pool heaters usually have various capacities. Some are more expensive than others. So choose your pool heater very carefully. Sometimes people even use two types of pool heaters to get better results and have a hot pool. They are designed to work efficiently depending on the pool size and weather. Once you get your pool heating requirements as I mentioned above, the next step is to calculate the BTU required to heat it.

When determining this, you will need the pool capacity, heating time and temperature differential. You’ll get the temperature differential by subtracting the desired lowest water temperature form the desired temperature. Use the following formula to determine the BTU output you pool will need.

  1. BTU constant = 1 lb. of water heated by 1 degree Fahrenheit
  2. Water constant = 8.3 lbs. of water per gallon
  3. Pool volume in gallons x 8.3 lbs/gallon = lbs of water that needs to be heated
  4. lbs of water that needs to be heated x the temperature differential = BTU need to heat your pool completely
  5. Pool volume (gallons) x 8.3 (water constant) x temperature differential = total BTU
  6. Total BTU / 24hrs = the required BTU per hour

Efficiency

When a pool heater has higher efficiency, it will perform better and with lower operating costs. Many overlook operating costs for them to save some bucks. However, the operating cost even for the electric heaters might be huge over time. Compare the cost involved in all the three types of heaters and ensure that you go for the best with minimum operating cost. I also suggest you keep energy efficiency at the top of the must-check list when searching for the best heater.

Durability

Pool heater durability is yet another crucial factor to consider. Most pool heaters are installed outdoors in an open area, especially the gas powered and solar heaters. You need to ensure that the heater you pick is made of durable materials that will allow it last for long.

The elements need to be resistant to corrosion, weather, and rust. When you connect a heat pump or a pool heater it is vital to know that water with chemicals will be going through these systems, so, I suggest you go for models made with high-quality materials.

Heating Element

Pool heaters and heat pumps use a heating element to heat the pool water as it flows through them. It is vital to consider the quality and power of their heating elements before picking. If you read the review above, you have seen that some heaters use the Cupro-nickel advanced Finn plate or the titanium heat exchanger to heat the pool water.

I suggest you make sure the unit heating element employed on the unit is durable and effective in heat distribution. These elements will also determine how energy efficient the heating unit will be.

Control Panel

Many might think that a control panel isn’t as important as the other factors. It plays a vital role in the unit’s ease of use. Nearly all the electric and gas pool heater comes with a display and control panel with the purpose of allowing you to monitor and adjust the pool water temperature.

Some even feature digital panels which have indicator lights that will alert you when the device malfunctions or there is a potential problem. When searching for the best model for your pool, I suggest you go for a model that will give you an easy time. Check the simplicity of the control panel and the controls that come with it.

Pool Functionality

It’s crucial to keep in mind the specific use of your pool when buying a pool heater. For instance, if your swimming pool is for recreational purposes, a solar heater or a gas heater can be used to deliver the right temperatures for this purpose. But, if your pool is for exercise and sports, then you need a pool heater that can provide consciously and maintain the temperature.

Type of electrical supply

Terms are used to refer to the type of the electrical supply your heater needs. Most homes are supplied with a single phase supply – electric line with a live and neutral wire only. Some commercial buildings or large homes have 3-phase supplies. Smaller pool heaters are single phase while the bigger one (needing 30kW) requires 3-phase supply.

If you’re not sure of the type of electrical supply you have in your home, I suggest you ask your electrician before you pick your pool heater. Typically, most 3-phase units use 380/440v, but in some countries like France, 3-phase units are 220v. So, I highly recommend that you check before ordering.

Brand

Some people like the peace of mind that often comes from buying products from reputable manufacturers that specialize in producing durable and quality products. In the pool equipment sector, several manufacturers and brands have existed for many years and are renowned for producing durable and efficient pool heaters.

If you want to use a trusted brand, you can rely on word of mouth from other group owners or conduct simple online searches to determine which manufacturers have the best reputation.

Warranty

Warranty is a huge saver when a system breaks within a short time after purchase. Best pool heater will cost you some thousands of dollars, and it is vital to have a warranty on this unit. Imagine you bought a pump today and after a week the unit malfunctions without you hand it and needs repair.

You will be pissed. Right? For you to have a peace of mind go for a model that comes with a warranty, the longer, the better. When looking for the guarantees, it’s vital you consider more than the length. Read the fine warranty print to check for conditions that may exist — the less the requirements, the better the warranty.

Price and Budget

Pool heaters differ a lot when it comes to prices. Different brands price their products differently especially depending on the features their product offer. Also, the pool heater types affect the pricing a lot. Typically, a gas heater can cost as little as $1500 while the solar pool heater/panel can be $4000 plus. Beyond the price sticker, you also need to consider the installation and the monthly operation costs of the different types of pool heaters.

An excellent solar heater will be too expensive to buy, but it will cost you nothing per month and no maintenance needed. An electric heater or the heat pumps, will costs you some bucks in months for the electric bill. The gas heater, the cheapest pool heater, will cost you hundreds of dollars monthly depending on how big the pool is and how often you heat the pool water. These costs are mainly for the gas, and they also need maintenance. So, heed this before you buy one.

Budget plays a considerable role when determining what type and brand are best for your pool. Before heading to the market, I recommend that you go with a well-prepared budget. The budget will help you not to overspend. Stick to it and select the best brand and heater that falls under your budget.

Frequently Asked Questions on Pool Heaters:

Why do I need a swimming pool heater?

A swimming pool heater will allow you to extend the hours you and your family spend in the pool. If you live in a cold area, the pool heater will let you use the pool no matter the weather. They work by taking chemical energy from natural or propane gas, electric energy from home power grid, solar energy from the sun, or hot air or even from underground spring and turns it into heat energy. The heat energy warms the water as it touches it.

Will an electric pool heater be difficult for me to install?

Theoretically, No. It’s not hard to install an electric pool heater. All you need is a solid concrete base. You can also lay the unit on paving slabs. However, the heating unit will require an electrical supply, and it is best if you leave this part to a qualified electrician.

What’s the Average Heating Time?

Of course, you don’t want to wait for too long to get in a warm pool to enjoy relaxing. However, it takes some time to have a heater heat the water upon startup. Even though the times are affected by the BTU output and other factors, the relative temperature increase rate is approximately 20 degrees in 24 hours. That is the fastest the heater can take to increase your pool water temperature from let’s say 60 degrees to 80 degrees on average.

How Much Maintenance Is Involved?

Because a pool heater is a large appliance, it requires some routine maintenance to ensure it operates optimally and last for years. Professionals recommend for an annual basis swimming pool heater servicing. By following a once-per-year maintenance schedule, you’ll be able to avoid huge costs and hassle of mechanical repairs. Additionally, the type of heater will determine the times you have to maintain it. Mostly, gas pool heaters require more maintenance than the electric heaters.

Which Pool Heaters Are the Best for the Environment?

Environmentally friendly pool heater would be a unit that only takes from the environment and do not emit anything harmful to the surroundings. With that said, a gas heater cannot be supposed to be the best as they emit low nitrogen oxide to the environment. Solar panels are the best since they take in solar radiation and converts it to heat energy thus warming the water. They rely on renewable resources and do not create any air pollution. However, they are considered to be expensive.

How Long Does Pump Heater Last?

Like the air conditioners, pool heaters and heat pumps are built to last. The durability of a pool heating system depends on the type of pool heater and how well you will maintain it. For instance, electric and gas heaters can go for more than ten years while heat pumps can work for at least 20 years depending on how well you maintain them. With proper care and maintenance, a pool heater can reach or even exceed the expected lifespan. Also, running the heater regularly helps in preventing moving parts from locking or corroding.

What is pipe outlet sizes mostly used with a pool heater?

Most of the pool pumps come with 50mm pipe outlets. They are typically also supplied with 50mm to 1.5-inch adaptors. So read this information to be clear. Also, you can ask your plumber what pool heater is compatible with your pool plumbing this way it will be easier when installing it. Each pool pump specs will state the size of the fittings required.

What is the difference between the digital and analog models?

Typically this terms will come in its controls. Analog heaters use a simple knob in setting the required temperatures while digital models feature a digital control panel which the user uses to establish the required temperature. Once the necessary temperatures are realized on, the units reset themselves automatically. So, the big difference comes on how the controls are designed.

What does COP mean in pool heating?

The Coefficient of Performance, COP, is the ratio of energy input to output. In an example, if a unit has 5 COP, it means it would provide five units of heat for every one heat unit consumed. And if a heater has a COP of 5 and uses 4kW electricity and its output would be 20kW of heat.

But you will need to remember that no international standard for stating COPs and each manufacturer will say their unit’s maximum COP obtainable under optimum humidity and temperature conditions. Genuinely, you might not always achieve the rated COP, and that is the main reason why you have to oversize the pool heater.

Is necessary to cover my pool heater in winter?

During winter, I recommend you cover your pool heater during the winter. But you have to use an appropriate cover. The cover has to allow the heater to breathe for moisture can escape, and condensation can happen, otherwise rusting and corrosion can occur to its components causing wear and permanent damage.

Some covers are custom-made for each of the pool heaters and come with ventilation mesh to allow good air circulation. Also, some models use the outer casing for cooling, and those will need to be kept uncovered as covering them might cause overheating.

How do I turn the heat pump on and off at the required times?

Many pool heaters come with a water flow switch. These heaters operate when it’s turned on, and water is flowing through it. The pool heater is made with a timer which you can control its operability. Some come with an inbuilt timer while others are not. For those that lack the timer, you can buy the timer separately. Some of the models with a timer have a digital control panel that will help you with time interval setting. But you have to note that the pool pump needs to be working for the heater to work.

Does my pool/spa heater ever need a tune-up?

Yes, some critters that crawl, creep and fly will often take up residence inside your pool heater and can seriously affect its performance. Also, there are some other factors that you need to check for leaks, rust, soot, and control failure. For you to ensure maximum heater performance and reduced energy use, I suggest you get a professional to do a checkup once a once a year. Also, try and oil some of its moving parts. This way you will increase its durability.

Globo Swim Wrapped Up

By now, you know that installing the best pool heater will allow you to enjoy a warm, relaxing swimming pool at comfortable temperatures. With the information above, selecting the best pool heater has been simplified. Read through and before you reach the end, you will have that one model that will suit all your pool heating needs best.

Ensure you get the right heater size, with an excellent efficiency rating. It is also vital to have the outside area adequately set up before the installation. Last advice I can give you is, ensure that you pick a genuine product and you stick to your budget. Those two are very important, keep them in mind all the time.

Best Pool Heaters Reviewed in 2019 – Buying Guide
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About the author

Sharif Miah

I am Sharif, 22, a student, currently doing the BBA program. Besides, I am an online Blogger. Swimming has been the best hobby in my elementary school. I love to share my experiences with people.

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