Pool Heater Btu Requirements

This calculator is approximate because it doesn t account for the many factors that impact heat loss in the swimming pool.

Pool heater btu requirements. Use the swimming pool heater size calculator below. For the example pool that needed 207 500 btu per hour to heat the pool when you add another 20 it becomes 248 400 btu. H surface heat loss from pool through the surface mainly evaporation of water btu hr w. The concept of btu ratings applies to all forms of pool heaters.

Swimming pool heater size calculator. Surface area x temperature difference x 12 where surface area is the area of the pool in square feet temperature difference is the result of desired pool temperature current pool temperature and 12 is our constant number based on the assumption that wind speed is around 3 5 miles per hour. H total total heat load btu hr w. The raypak 105 000 btu natural gas heater is the raypak 105 000 btu natural gas heater is the perfect choice for above ground pools and spas.

These units have the highest btu output ranging from 100 000 up to 500 000 btu in some areas 400 000 btu in most parts of canada and the u s. Multiply that result by 12 to arrive at the required btu per hour output of the heater. To help estimate the pool heater size enter all of your information regarding your pool. With its 2 sq.

A pool heater s manufacturer can also provide its efficiency percentage. Footprint this may be raypak s smallest pool and spa heater but its built to the same exacting standards as the rest of our products. Annual savings by gas pool heater efficiency. Today you ll find some gas pool heaters with 89 95 efficiency.

The usual recommendation is an increase of 1 to 1 and a half. H heat up heat load required to increase the pool temperature btu hr w. The total required heat to increase and maintain the temperature in an outdoor pool can be calculated as. A pool heat pump takes heat from the air and transfers it into your pool water.

H total h surface h heat up 1. The exact time needed to change the pool temperature will vary based on evaporation rate convection losses thermal radiation losses and conduction losses explained more below. Heater size in btu hr. This figure represents the heater output necessary to heat the pool to the desired temperature in 24 hours.

Gas pool heaters and propane pool heaters are the most powerful heating units available for residential pools. Heater sizing for shared pool spa systems. Click calculate to get your. So a reasonably safe bet for our example pool is a heater that is rated for around 250 000 btu s.