Pool & Spa Heat

Residential

Pool & Spa Heat

Experience the luxury of total comfort with Hayward's full line of heating solutions. Never let the weather control your swimming pool and spa enjoyment again. Pool heaters provide the ultimate in swimming comfort letting you choose the perfect temperature all year round. Hayward has the best heating solutions for your backyard.

Gas Heat

Residential

Gas Heat

If quick heating is your priority we recommend using a gas heater. Our Universal H Series heaters offer the most reliable, efficient solutions for any pool or spa. Hayward heaters are also environmentally friendly.

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Heat Pump

Residential

Heat Pump

A Heat pump is the most energy efficient solution to heat your pool in warmer climates. In fact, heat pumps provide energy savings up to 70% over gas heaters. Heat pumps capture heat from the surrounding air to heat the pool water and are particularly good if you want to maintain a constant pool water temperature.

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Best Heat Solution
Best Heat Solution
Best Heat Solution

Gas Heat or Heat Pump?

Gas Heat or Heat Pump?

Whatever your climate, warmer or cooler, you will want to experience the comfort of heating your pool. Even if the air temperature seems warm enough, it doesn't necessarily mean your pool's water is comfortable enough to swim in.

The only way to continuously enjoy your pool is to heat the water to the perfect temperature, there are pool and spa heating solutions for every application, budget and climate - let's explore them.

Gas Heat

The greatest benefit of gas pool and spa heaters is that they heat your pool and spa in minutes or hours versus the hours or days required initially to warm the pool with a heat pump. Gas heat is ideal if you don't use your pool or spa on a daily basis, and just want to heat your pool or spa as needed. Key attributes of Hayward's gas pool heaters are that they're environmentally responsible and lower the cost of ownership via its energy efficiency and reliability.

Another benefit of gas pool heaters is they perform well in any climate. They'll heat your pool and spa on the coldest of days versus the limits of a heat pump.

Heat Pumps

Heat pumps are incredibly energy efficient at maintaining a constant water temperature and can deliver savings of up to 70% versus a gas heater. Heat pumps are very efficient because they utilize the heat from the surrounding air to heat the pool's water versus burning natural gas or propane.

Heat pumps work well in warmer climates but are at a disadvantage in colder climates. Although a heat pump will operate at temperatures above 50° F, cooler air temperatures above 50° F may not have sufficient heat in the air to keep your pool as warm as you desire. At these lower temperatures a heat pump is likely not the best option for heating your pool.

A Hayward heat pump model is the most efficient way to heat or cool the temperature of your pool or spa. Warmer climates and especially pools and spas with dark surface finishes benefit from the water being cooled. If you live in a climate that can become extremely hot the heat/cool heat pump is a perfect choice.

Combined Benefits – Gas Pool Heater and Heat Pump

A gas heater and heat pump combination will deliver energy savings utilizing the heat pump a majority of the time, and switching to a gas pool heater when the temperature drops. Other benefits include:

  • Most energy efficient way to heat or cool your pool and/or spa in any climate
  • Heat pump efficiently maintains ideal pool temperature while gas heater rapidly raises spa temperature on demand
  • The ability to choose between heat pump or gas heat on cooler days and in colder climate.

Heat Technology Comparisons

Technology Pool & Spa Usage Advantages Drawbacks
Gas Heat Intermittent Swimming
  • Maintains any temperature regardless of the weather
  • Quickest way to heat your pool or spa
  • Lower operating cost for intermittent heating
  • Higher operating cost to maintain pool temperature in most regions
Heat Pump Daily Swimming
  • Low operating cost to maintain pool temperature
  • Only option to cool a pool or spa
  • Performance dependent on warmer air temperature
  • Slow pool and spa heating
Solar Intermittent & Daily Swimming
  • Low operating cost
  • Weather dependent
  • High installation cost
  • Gas Heat or
    Heat Pump?
  • Watch
    Video
  • Heat Technology
    Comparisons
Best Heat Solution

Gas Heat or Heat Pump?

Best Heat Solution

Gas Heat or Heat Pump?

Whatever your climate, warmer or cooler, you will want to experience the comfort of heating your pool. Even if the air temperature seems warm enough, it doesn't necessarily mean your pool's water is comfortable enough to swim in.

The only way to continuously enjoy your pool is to heat the water to the perfect temperature, there are pool and spa heating solutions for every application, budget and climate - let's explore them.

Gas Heat

The greatest benefit of gas pool and spa heaters is that they heat your pool and spa in minutes or hours versus the hours or days required initially to warm the pool with a heat pump. Gas heat is ideal if you don't use your pool or spa on a daily basis, and just want to heat your pool or spa as needed. Key attributes of Hayward's gas pool heater are that they're environmentally responsible and lower the cost of ownership via its energy efficiency and reliability.

Another benefit of gas pool heaters is they perform well in any climate. They'll heat your pool and spa on the coldest of days versus the limits of a heat pump.

Heat Pumps

Heat pumps are incredibly energy efficient at maintaining a constant water temperature and can deliver savings of up to 70% versus a gas heater. Heat pumps are very efficient because they utilize the heat from the surrounding air to heat the pool's water versus burning natural gas or propane.

Heat pumps work well in warmer climates but are at a disadvantage in colder climates. Although a heat pump will operate at temperatures above 50° F, cooler air temperatures above 50° F may not have sufficient heat in the air to keep your pool as warm as you desire. At these lower temperatures a heat pump is likely not the best option for heating your pool.

A Hayward heat pump model is the most efficient way to heat or cool the temperature of your pool or spa. Warmer climates and especially pools and spas with dark surface finishes benefit from the water being cooled. If you live in a climate that can become extremely hot the heat/cool heat pump is a perfect choice.

Combined Benefits – Gas Pool Heater and Heat Pump

A gas heater and heat pump combination will deliver energy savings utilizing the heat pump a majority of the time, and switching to a gas pool heater when the temperature drops. Other benefits include:

  • Most energy efficient way to heat or cool your pool and/or spa in any climate
  • Heat pump efficiently maintains ideal pool temperature while gas heater rapidly raises spa temperature on demand
  • The ability to choose between heat pump or gas heat on cooler days and in colder climate.

What are the differences between pool heaters?

Heat Technology Comparisons

Technology Pool & Spa Usage Advantages Drawbacks
Gas Heat Intermittent Swimming
  • Maintains any temperature regardless of the weather
  • Quickest way to heat your pool or spa
  • Lower operating cost for intermittent heating
  • Higher operating cost to maintain pool temperature in most regions
Heat Pump Daily Swimming
  • Low operating cost to maintain pool temperature
  • Only option to cool a pool or spa
  • Performance dependent on warmer air temperature
  • Slow pool and spa heating
Solar Intermittent & Daily Swimming
  • Low operating cost
  • Weather dependent
  • High installation cost
Gas Pool & Spa Heat
Gas Pool & Spa Heat
Universal H-Series Gas Pool Heaters

Universal H-Series Gas Pool Heaters

The Universal H-Series pool heater line provides the most reliable heat solution choice for pool owners. Hayward's patented technology offers the lowest cost of operation when compared to competitors gas heaters. Our heaters come in a variety of sizes and are available in both natural and propane versions to match your household utilities.

The unique advantage of the Universal H-Series is its commercial grade cupro nickel heat exchanger. This distinctive feature defends against damaging water chemistry conditions, resulting in long-lasting value and dependability at no extra cost.

View our entire gas heater line

How to Choose the Correct Heater for Your Pool Size

To determine your pool’s surface area in square feet, use diagrams below.

Area = (A = B) x L x .45
Area = (R = R) x 3.14
Area = L x W

In the chart below, locate the surface area that is equal to or just greater than your pools surface area. Select the Universal H-Series model that is closest to your pool surface size.

Models BTU/Hr Pool Surface Area*
H500 500,000 1,350
H400   400,000 1,200
H350   350,000 1,050
H300  300,000 900
H250   250,000 750
H200   200,000 600
H150   150,000 450
Time Needed to Heat Your Pool

Time Needed to Heat Your Pool

The reference table below lists the time required in hours to raise the temperature of the pool by 30°F. First, determine your pool capacity in gallons (surface area x average depth x 7.5). In the table, locate the column with the pool size in gallons closest to yours. The Universal H-Series models listed will indicate the approximate time needed to raise the pool temperature 30°F.

  Pool Size in Gallons
10000 20000 30000 40000
Models BTU/Hr Approximate time in hours to raise pool temperature 30° F
H500 500000 6 12 18 23
H400 400000 8 15 23 30
H350 350000 9 18 26 35
H300 300000 10 20 30 40
H250 250000 12 24 36 48
H200 200000 15 30 45 60
H150 150000 20 40 60 80
Time Needed to Heat Your Spa

Time Needed to Heat Your Spa

The reference table below lists the time required in minutes to raise the temperature of the spa by 30°F. First, determine your spa capacity in gallons (surface area x average depth x 7.5). In the table, locate the column with the spa size in gallons closest to yours. The Universal H-Series models listed will indicate the approximate time needed to raise the spa temperature 30°F.

  Spa/Hot Tub Size in Gallons
200 300 400 500 600 700 800 900 1,000
Models BTU/Hr Time in minutes to raise spa temperature 30° F
H500 500,000 7 11 14 18 22 25 29 32 35
H400 400,000 9 14 18 23 27 32 36 41 45
H350   350,000 10 16 21 26 31 36 41 46 52
H300   300,000 12 18 24 30 36 42 48 54 60
H250   250,000 15 22 29 26 43 51 58 65 72
H200  200,000 18 27 36 45 54 63 72 81 90
H150  150,000 24 36 48 60 72 84 96 108 120
  • Universal
    H-Series
    Gas
    Pool Heaters
  • How to Choose
    the Correct Heater
    for Your
    Pool Size
  • Time Needed
    to Heat
    Your
    Pool
  • Time Needed
    to Heat
    Your
    Spa
Gas Pool & Spa Heat

Universal H-Series Gas Pool Heaters

Universal H-Series Gas Pool Heaters

The Universal H-Series pool heater line provides the most reliable heat solution choice for pool owners. Hayward's patented technology offers the lowest cost of operation when compared to competitors gas heaters. Our heaters come in a variety of sizes and are available in both natural and propane versions to match your household utilities.

The unique advantage of the Universal H-Series is its commercial grade cupro nickel heat exchanger. This distinctive feature defends against damaging water chemistry conditions, resulting in long-lasting value and dependability at no extra cost.

How to Choose the Correct Heater for your Pool Size

To determine your pool’s surface area in square feet, use diagrams below.

Area = (A = B) x L x .45
Area = (R = R) x 3.14
Area = L x W

In the chart below, locate the surface area that is equal to or just greater than your pools surface area. Select the Universal H-Series">Universal H Series model that is closest to your pool surface size.

Models BTU/Hr Pool Surface Area*
H500 500,000 1,350
H400   400,000 1,200
H350   350,000 1,050
H300  300,000 900
H250   250,000 750
H200   200,000 600
H150   150,000 450

Time Needed to Heat Your Pool

The reference table below lists the time required in hours to raise the temperature of the pool by 30°F. First, determine your pool capacity in gallons (surface area x average depth x 7.5). In the table, locate the column with the pool size in gallons closest to yours. The Universal H-Series models listed will indicate the approximate time needed to raise the pool temperature 30°F.

Models BTU/Hr 10000 gal. 20000 gal. 30000 gal. 40000 gal.
H500 500,000 6h 12h 18h 23h
H400 400,000 8h 15h 23h 30h
H350   350,000 9h 18h 26h 35h
H300   300,000 10h 20h 30h 40h
H250   250,000 12h 24h 36h 48h
H200  200,000 15h 30h 45h 60h
H150  150,000 20h 40h 60h 80h

Time Needed to Heat your Spa

The reference table below lists the time required in minutes to raise the temperature of the spa by 30°F. First, determine your spa capacity in gallons (surface area x average depth x 7.5). In the table, locate the column with the spa size in gallons closest to yours. The Universal H-Series models listed will indicate the approximate time needed to raise the spa temperature 30°F.

Models BTU/Hr 200 gal. 300 gal. 400 gal. 500 gal. 600 gal. 700 gal. 800 gal. 900 gal. 1000 gal.
H500 500,000 7m 11m 14m 18m 22m 25m 29m 32m 35m
H400 400,000 9m 14m 18m 23m 27m 32m 36m 41m 45m
H350   350,000 10m 16m 21m 26m 31m 36m 41m 46m 52m
H300   300,000 12m 18m 24m 30m 36m 42m 48m 54m 60m
H250   250,000 15m 22m 29m 26m 43m 51m 58m 65m 72m
H200  200,000 18m 27m 36m 45m 54m 63m 72m 81m 90m
H150  150,000 24m 36m 48m 60m 72m 84m 96m 108m 120m
Heat Pump Pool Heat
Heat Pump
Hayward Heat Pumps

Hayward Heat Pumps

Hayward heat pumps are high performance, energy-efficient pool heaters that quietly and economically maintain your ideal water temperature at all times. If you use your pool every day for relaxing or exercising and are not looking to extend your swimming season into the cooler months, our heat pump is an ideal choice for your pool.

Don't let cool water temperatures limit your swimming enjoyment. Our heat pumps allow you to swim comfortably throughout your swim season - all while consuming less energy than gas heaters to lower your operating costs by up to 70%.

Hayward heat pumps are performance certified and come in a wide range of sizes to meet your specific pool needs.

View our entire heat pump line
What does it cost to heat my pool with a heat pump?

What does it cost to heat my pool with a heat pump?

Determine monthly energy cost

Hayward's heat pumps can save you up to 70% in operating costs when compared to a gas heater, providing an affordable way to enjoy your pool everyday. Our heat pump analysis tool compares current monthly energy prices and estimates the cost associated with using a Hayward heat pump.

Are you looking to cool your pool or spa water temperature?

Are you looking to cool your pool or spa water temperature?

In very warm climates where air temperatures are high during certain months of the year, you may want to cool your pool or spa rather than heat it. Dark surface pools also can add unwanted heat to pool water. If this is the case Hayward's heat pump HP31204T Heat/Cool model is the answer for you. This heat pump has the same energy efficient, high performance benefit with the added cooling system for the ideal pool water temperature.

Cooling Your Pool/Spa
  • Hayward
    Heat
    Pumps
  • What does it cost
    to heat my pool
    with a heat pump?
  • Are you looking to
    cool your pool or spa
    water temperature?
Heat Pump Pool Heat

Heat Pump Pool Heat

Hayward Heat Pumps

Hayward Heat Pumps

Hayward heat pumps are high performance, energy-efficient pool heaters that quietly and economically maintain your ideal water temperature at all times. If you use your pool every day for relaxing or exercising and are not looking to extend your swimming season into the cooler months, our heat pump is an ideal choice for your pool.

Don't let cool water temperatures limit your swimming enjoyment. Our heat pumps allow you to swim comfortably throughout your swim season - all while consuming less energy than gas heaters to lower your operating costs by up to 70%.

Hayward heat pumps are performance certified and come in a wide range of sizes to meet your specific pool needs.

What does it cost to heat my pool with a heat pump?

Best Heat Solution

Determine monthly energy cost

Hayward's heat pumps can save you up to 70% in operating costs when compared to a gas heater, providing an affordable way to enjoy your pool everyday. Our heat pump analysis tool compares current monthly energy prices and estimates the cost associated with using a Hayward heat pump.

Are you looking to cool your pool or spa water temperature?

Cooling Your Pool/Spa

Cooling Your Pool/Spa

In very warm climates where air temperatures are high during certain months of the year, you may want to cool your pool or spa rather than heat it. Dark surface pools also can add unwanted heat to pool water. If this is the case Hayward's heat pump HP31204T Heat/Cool model is the answer for you. This heat pump has the same energy efficient, high performance benefit with the added cooling system for the ideal pool water temperature.

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