How many BTUs does it take to heat a 25000 gallon pool

Pool Size (Feet)Summer 4 BTU’sSpring & Fall 5 BTU’sUp To 15,000 Gallons 14′ x 28’85,000 BTU85,000 BTUUp To 20,000 Gallons 16′ x 32’85,000 BTU110,000 BTUUp To 25,000 Gallons 18′ x 36’110,000 BTU125,000 BTUUp To 30,000 Gallons 20′ x 40’125,000 BTU150,000 BTU

How do I calculate BTU for pool heater?

Multiply the surface area of the pool by the temperature rise. Multiply that result by 12 to arrive at the required Btu-per-hour output of the heater. This figure represents the heater output necessary to heat the pool to the desired temperature in 24 hours, based on an average wind velocity of 3.5 mph.

How much heat does it take to heat a pool?

Type of HeaterCost Per YearCost Per MonthHeat Pump$700 to $2,400$120 to $200Electric Resistance$2,100 to $7,200$175 to $600Propane$2,500 to $10,200$200 to $850Natural Gas$1,400 to $4,800$200 to $400

How many gallons does it take to heat a pool for an hour?

The average pool heater burns about 1 gallon per hour per 100,000 BTUs. Like I mentioned earlier, propane heaters are generally 400,000 BTU’s. Therefore, you will be burn approximately 4 gallons of propane per hour.

How many BTUs do I need for a 20000 gallon pool?

We would recommend at least an 85,000 BTU heat pump for a 20,000 gallon pool.

Do pool heaters 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 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.

What is the ideal pool temperature?

What Is the Perfect Temperature? Pool water temperatures typically run between 78 and 82 degrees. Any cooler than 78 and you will feel chilled when you exit the pool. Any warmer than 82 and the pool will feel like bath water.

How much heat does a pool lose 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.

Can I heat my pool to 95 degrees?

While pools should be never above 95 degrees, anywhere in the 90-92 degree range creates a comfortable, yet therapeutically warm environment for older swimmers or infants and toddlers learning how to swim.

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How long does it take for a pool to heat up by the sun?

On average, the rise in temperature will be 2 to 5 degrees F for each circulation of water through the solar system. It normally takes from 8 to 12 hours to cycle all of the water in your pool so you can expect an overall temperature rise of 5 to 15 degree F after several days of sunny weather.

Is a heated pool 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 many BTUs does it take to heat a 30000 gallon pool?

Or approximately 100K BTU’s for every 10,000 gallons of pool water. For inground pools less than 20,000 gallons, small gas heaters like the Raypak 206K BTU output are suitable. Pools up to 30,000 gallons should look at the Pentair 300K BTU or higher, and pools over 50,000 gallons should look at the Hayward 500K BTU.

What size heater do I need for my pool?

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.

Can a pool heater be too big?

One of the important parts of putting in a pool heater is making sure it is the correct size to maintain the comfortable temperature you want. … 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.

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

That means an average pool heater between 300,000 and 400,000 BTU’s will cost anywhere from $3.30 to $4.40 per hour to heat your pool.

How long does it take for a pool to warm up naturally?

It normally takes from 8 to 12 hours to cycle all of the water in your pool so you can expect an overall temperature rise of 5 to 15 degree F after several days of sunny weather.

Should I run pool heater overnight?

When asking can you leave pool heater on overnight, the answer is definitely no if you have no swimming pool cover. … So unless you have money to burn, it’s best not to run your heater at night on an uncovered swimming pool.

What is the most cost effective pool heater?

Solar pool heaters are the most cost-effective option that uses the sun’s energy to heat your swimming pool water. It uses solar collectors, filter, pump and flows control valve to heat the pool in a way that is very economical. In fact, it pays for itself within 3-5 years and incurs almost negligible operating costs.

How much does a pool heater raise your electric bill?

Heated swimming pools are will often make your energy bill skyrocket. Gas pool heating heating can cost anywhere between $4 and $17 per hour to run according to the SA Government. Solar heating is much cheaper, only costing around $0.18 and $0.26 per hour. Gas heaters are popular because of how effective they are.

How much does it cost for a solar pool heater?

A solar pool heating system usually costs between $2,500 and $4,000 to buy and install. This provides a payback of between 1 and 7 years, depending on your local fuel costs and available solar resource. They also typically last longer than gas and heat pump pool heaters.

Should I turn off my pool heater at night?

We have found that turning the heater off at night allows the water to cool rapidly. The heater then has to burn at a higher rate in the morning to make up the lost heat. The higher you turn the burner the lower the heating efficiency and the greater the heat loss from the exhaust gases.

Is 85 degrees warm for a pool?

According to The United States Water Fitness Association, water temperatures for younger children and the elderly will generally need warmer temperatures ranging from 84 to 94 degrees Fahrenheit, while a comfortable pool temperature for adults is 85 to 89 degrees.

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

Physicist: The correct answer is always to leave the heater off for as long as possible, as often as possible. The one and only gain from leaving a pool heater on is that it will be warm when you get in. The same is true of all heaters (pool, car, space, whatever).

How long does it take to 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.

What is the Olympic pool temperature?

How cold are Olympic pools? Overall, water temperatures for competitions need to be between 25-to-28 degrees Celsius or 77-to-82.4 degrees Fahrenheit. However, FINA, the international federation that handles water sport rules and regulations, said that different sports require slightly different pool temperatures.

What is considered cold water temperature for swimming?

77-82F(25-28C) Swimming pool temperature range for Olympic competition. 70F(21C) Water feels quite cold to most people. Treat any water temperature below 70F (21C) with caution. 40F(4.4C) or lower Water is painfully cold.

What is a comfortable pool temperature Celsius?

To keep all your family and guests happy, experts have come up with an optimal temperature. Across the board, it’s agreed the best temperature for a swimming pool is between 27 and 29 degrees Celsius.

Why is pool water cold on a hot day?

If you’re wondering why that’s the case, keep on reading! Water temperatures are slow to heat up, and just as slow to cool down. … It takes 4 times the energy to heat up water than to heat air. Water also “feels” colder because water is a more efficent medium than air to cool our body down.

What is the fastest way to heat an above ground pool?

Gas heaters are the most powerful way to quickly and effectively heat your pool water and extend the pool season. Using either propane or natural gas, pool heaters can increase water temperatures by 30 degrees Fahrenheit or more, giving you months of extended enjoyment.

Does a pool heat up faster with the cover on or off?

Air bubbles in the pool cover act as an insulator in a similar way that your thermos would keep water warm. A pool cover will, therefore, keep your pool water warmer for longer.