What size pool heater do i need for a 24 foot round pool?

Heat Pump Sizing Chart – Above Ground Pools

Pool Size (Feet) Summer 4 BTU’s Extended 6 BTU’s
Up To 10,000 Gallons Up To 21′ Round or 15′ x 26′ Oval 50,000 BTU 65,000 BTU
Up To 13,000 Gallons Up To 24′ Round or 15′ x 30′ Oval 50,000 BTU 85,000 BTU
Up To 17,000 Gallons Up To 27′ Round or 18′ x 33′ Oval 65,000 BTU 110,000 BTU

How big of a pool heater do I need for a 24 foot round pool?

The easiest way to calculate BTUs

Pool Size Gas Heater Size Heat Pump Size
24 ft Round 200,000 – 250,000 BTU 50,000 – 110,000 BTU
27 ft Round 200,000 – 250,000 BTU 100,000 – 120,000 BTU
12 x 24 ft 100,000 – 150,000 BTU 70,000 – 85,000 BTU
16 x 32 ft 200,000 – 250,000 BTU 110,000 – 120,000 BTU

How long does it take to heat a 24 foot pool?

Overall, a heat pump usually requires between 24 and 72 hours to heat a swimming pool by 20°F (11°C) and between 45 and 60 minutes to heat a spa by 20°F (11°C).

How big does my pool heater need to be?

The pool’s surface area divided by three gives you the minimal BTU size recommended for that particular surface area. Continuing the example above with the 15 x 30 pool, after dividing by 3, you get 150. Therefore, the minimum size heater that is recommended for a 15 x 30 pool is 150,000 BTUs.

How do I calculate pool heat?

0.20 – 0.25 degrees per hour. It takes 1.16 Wh to heat one litre of water one degree, which means 11.6 kWh for a 10m³ pool.

How big does the heat pump for my pool have to be?

pool size kW power heat pump
30 – 40m³ min 9 kW power
40 – 60m³ min 12 kW power
50 – 80m³ min 16 kW power

Can a pool heater be too big?

A pool heater can be undersized: if it cannot replace the heat lost through evaporative cooling, the pool’s temperature will fall below the ideal. However, there is no such thing as oversizing a pool heater. The larger the heater’s output, the faster it heats the water in the pool, and it will not begin short-cycling.


What size pool heater do I need for a 15000 gallon above ground pool?

Pools up to 15,000 gallons should look at the Pentair 125K BTU or higher, and 20,000 gallon above ground pools should look at the Raypak 150K BTU. Pools in very windy or colder areas, or those that don’t use a pool cover should consider installing one size larger. 1.

Should I run pool heater overnight?

Not only will it be tough to keep the heat in your pool on colder nights but you will also spend a fortune trying to heat your swimming pool. So unless you have money to burn, it’s best not to run your heater at night on an uncovered swimming pool.

How much does it cost to heat a pool per day?

On average, natural gas burns about 1 therm per 100,000 BTUs per hour (British Thermal Units). Meaning, an average pool heater between 300,000 and 400,000 BTUs will cost anywhere from $3.30 to $4.40 per hour to heat your pool.

Are heated pools worth it?

Pool heaters have the potential to be an incredibly worthwhile investment if a family wants to utilize its new pool year ’round, or even just well into school starting in the fall. These heaters have state of the art technology that allow for comfortable swimming temperatures, even in sweater weather.

How fast will a pool heater heat a pool?

It depends on a few things to determine how long it takes a heat pump to heat a pool. However, overall a heat pump generally heats a pool after 24 to 72 hours by 20-degrees Fahrenheit. For smaller pools like a spa pool, the heat pump can heat a pool between 45 and 60 minutes.

How do you size a pool heat exchanger?

Determine pool capacity. Rectangular Pool Capacity = 7.5 x Length (ft) x Width (ft) x Average Depth (ft). Circular Pool Capacity = 5.9 x Diameter2 (ft) x Average Depth (ft).

How long does it take to heat a 20000 gallon pool?

You have a 20,000-gallon pool and use a 125,000 BTU heater. Your water is currently 70 degrees F but you would like it to be a minimum of 80 degrees F. How long will it take before the pool water reaches 80 degrees F? 10 x 1.33= 13.34 hours of heating before the pool reaches 80 degrees F.

How many Btus do I need for a 25000 gallon pool?

Heat Pump Sizing Chart – Inground Pools

Pool Size (Feet) Summer 4 BTU’s Spring &amp, Fall 5 BTU’s
Up To 15,000 Gallons 14′ x 28′ 85,000 BTU 85,000 BTU
Up To 20,000 Gallons 16′ x 32′ 85,000 BTU 110,000 BTU
Up To 25,000 Gallons 18′ x 36′ 110,000 BTU 125,000 BTU
Up To 30,000 Gallons 20′ x 40′ 125,000 BTU 150,000 BTU

Does a pool heater use a lot of electricity?

You can figure about 5,000 watts or 5 kilowatts per hour per 100,000 BTU’s for a heat pump. For a typical 100,000 BTU heat pump, that’s 5 kilowatts per hour. The national average for Electricity runs $. 13 cents per kilowatt hour.

How much does it cost to run electric pool heater?

The Average Cost of Running a Pool Heater

Type of Heater Cost Per Year Cost Per Month
Heat Pump $700 to $2,400 $120 to $200
Electric Resistance $2,100 to $7,200 $175 to $600
Propane $2,500 to $10,200 $200 to $850
Natural Gas $1,400 to $4,800 $200 to $400

What is the lifespan of a pool heater?

You can expect a gas or heat pump pool heater to last 8 to 11 years, with an average of 10 years. Regular usage and maintenance is key to a longer lifespan.

How long does a Hayward pool heater last?

7-10 years is the average life expectancy of a pool heater. Some people get more, some get less. I would suggest you replace the unit with a Raypak. Much better unit then the Hayward’s.

How long do pool heaters typically last?

How Long Should A Pool Heater Last? – YouTube

How many BTU do you need for a 15000 gallon pool?

Based on this information, if your pool has 15,000 gallons of water, and you wanted to go with a 120,000 BTU heat pump, you absolutely could.

Pool Volume(Gallons) Heat Output(BTU)
10,000 50,000 BTU
15,000 90,000 BTU
20,000 120,000 BTU
25,000 140,000 BTU

What size heat pump do I need for 12000 gallon pool?

50K BTU heat pumps are meant for small pools, or aboveground pools, under 12,000 gallons. It will work on larger pools, but heating will be slow and total temperature rise may not be what you desire.

Can I install a pool heater myself?

Absolutely yes you can install a pool heater yourself without being a plumber. It is recommended to have a friend help you set it up so you don’t get hurt. But, you will need to be very comfortable and take safety seriously. Read the instructions on how to install a pool heater.

Which swimming pool heater is best?

  • Best Overall: Hayward W3H150FDN Universal H-Series 150,000 BTU Pool and Spa Heater, Natural Gas. …
  • Best Solar: Smart Pool S601 Pool Solar Heaters. …
  • Best Electric: Ecosmart US SMART POOL 27 Electric Tankless Pool Heater. …
  • Best Heat Pump: Hayward HeatPro W3HP21004T Pool Heat Pump.

Is it cheaper to keep pool heater on all the time?

As long as you are willing to wait for the pool to heat, it is cheaper to turn off the heater when you aren’t using the pool. BTUs are BTUs. The pool needs a certain amount to heat to a certain temp and will lose a certain amount.

How many degrees will pool drop overnight?

Pools that are not covered can lose 4 degrees F to 5 degrees F overnight in most parts of the country. With a cover, you can reduce that heat loss by 50% or more. So without a heater you should be able to use your pool in the afternoons and early evenings in the warmest part of the season.

How much does it cost to run a 30000 BTU natural gas heater?

One gallon of Propane contains 92,000 Btu’s, which will operate a 30,000 Btu wall heater for a little more than 3 hours. This means the cost to operate a 30,000 Btu wall heater using Propane is around $. 80 per hour.

What is the cheapest way to heat a pool?

7 Cheap Ways to Heat Your Pool

  1. Use a Solar Cover. …
  2. Invest in Solar Sun Rings. …
  3. Try Out a Liquid Solar Pool Cover. …
  4. Build a Windproof Pool Enclosure. …
  5. Use the Black Hose Trick. …
  6. Snag a Pool Heat Pump. …
  7. Combine a Solar Cover and Pool Heat Pump.

What is the cost of a swimming pool heater?

Pool Heater Pricing

On average, to install or replace a pool heater it’s going to cost you between $1,000 and $4,000. Installation alone can start at $500 and run up to $1,000. The average pool heater costs nearly $3,000 for the heater and installation.

Why are pool heaters so expensive?

Typically, putting in a pool heater will be more expensive in warmer areas that tend to feature plenty of swimming pools. However the monthly energy cost in these hotter locations will be much smaller than in cooler climates. Local weather conditions, such as heavy winds and rain, can also impact the overall cost.

How long does it take to install a pool heater?

All in all, pool heater installation can take a single day or it can take a few days—it is entirely contingent on your individual needs. After your pool heater is installed, you’ll still likely have to wait a few days before you can use it although, again, this depends on the size of the pool.

Should you run your pool pump at night or day?

It may be cheaper to run the pump at night, but honestly you should run it 1 hour a day per 10 degrees of temperature at least, and it should be during the day. Running the pump at night should only be when you are doing a major chemical treatment such as algae clean-up.

Does pool heat faster with pump on or off?

If one covered the pool at night, running the pump during the day would help to average the temperature of the water, reduce surface temperature differential to the air, and allow better thermal gain from the sunshine. The cover at hight would slow heat loss overall.

Which is better a heat pump or gas heater for pool?

Heat pump pool heaters cost more than gas pool heaters, but they typically have much lower annual operating costs because of their higher efficiencies. With proper maintenance, heat pump pool heaters typically last longer than gas pool heaters. Therefore, you’ll save more money in the long run.

What is a heat exchanger for a swimming pool?

Swimming pool heat exchangers work by transferring heat energy from a hot water circuit, to the cooler pool water circuit, without the two fluids ever coming in direct contact with each other. Most swimming pools are heated via a boiler, using fuels such as Gas, LPG or Biomass, as the energy source.

How do you hook up a pool heat exchanger?

Heat Exchanger for Pool Heater DIY How To – YouTube

When should I start heating my pool?

Using the heater only when the water dips below a certain point keeps the energy consumption down. For the average person, a pool that is 78 degrees or higher is comfortable. If you are trying to save money or energy, run your heater only when the pool water temperature dips below 78.

How many gallons is a 16×32 pool?

Using the heater only when the water dips below a certain point keeps the energy consumption down. For the average person, a pool that is 78 degrees or higher is comfortable. If you are trying to save money or energy, run your heater only when the pool water temperature dips below 78.

How do I calculate gallons in my pool?

Length x width x average depth x 7.5 = volume (in gallons)

Length times width gives the surface area of the pool. Multiplying that by the average depth gives the volume in cubic meters. If you’d like to find the pool volume in gallons, multiply your results by 7.5, as there are 7.5 gallons for each cubic foot.

How many gallons is an Olympic swimming pool?

It turns out that Olympic swimming pools have some pretty specific dimensions. They are 50 meters long, 25 meters wide, and 2 meters deep. In terms of volume, when full, these pools hold 2.5 million liters of water or about 660,000 gallons.