FAQ: How Many Btu Heater Do I Need For My Pool?

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.

What size pool heater do I need for 20000 gallons?

20,000 gallons x 8.3 lbs / gallon = 166,000 lbs of water that needs to be heated. Since it takes one Btu to heat one pound of water by a single degree, we now know that raising this entire 20,000-gallon pool by one degree will require 166,000 Btu of heat energy.

What size heater do I need for a 40000 gallon pool?

— Natural Gas. Nobody wants to swim in a cold pool — unless it’s 100°F. If you own a pool, you need a heater. A 400,000 btu pool heater is ideal for pools over 40,000 gallons.

Can you oversize a pool heater?

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.

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How many BTUs do I need for a 10000 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 is a good pool size?

For a family of 8 people, a pool size of 18 by 36 feet is adequate. Even if you all decide to swim at the same time, there will be enough space for everyone. A rectangular shape is the best choice for this size of the pool. If there are six or less in your family, a pool size of 16 by 32 feet will be sufficient.

How can I heat my pool cheaply?

The 5 Most Cost-Effective Cheap Pool Heating Options

1. Solar sun rings. Solar rings are one of the best methods of heating up your pool.
2. Pool heat pump.
3. Eliminate wind from your pool environment.
4. Anti-evaporation devices.
5. Run your pool heat pump during the warmest part of the day.

Should I run pool heater overnight?

Conclusion. It is not advisable to heat your pool at night because of the time and energy it will consume. You’re advised to heat your pool during the day for more efficiency, and if you can, buy a solar blanket to retain the temperature of your pool.

What is the best heater for a pool?

Best pool heaters 2021

1. Pentair 460737 MasterTemp: Best propane pool heater. (Image credit: Pentair )
2. EcoSmart Smart Pool 18: Best electric pool heater.
3. Hayward HeatPro HP21404T: Most economical pool heater.
4. Hayward H-Series H250FDN: Best natural gas pool heater.
5. SmartPool SunHeater S120U: Best solar pool heater.
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How fast does a pool heater work?

How Fast Will a Pool Pump Heater Heat My 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.

Should I heat my pool?

Taking into consideration the need to conserve energy and to minimize fuel consumption, any unnecessary pool heating should be avoided. You are the best judge of the kind of use you want out of your pool. Use of your pool for recreation, exercise, therapy or just general enjoyment obviously will require heating it.