And despite the power a few of the 400 000 btu heaters at pool express are designed to be eco friendly for the environmentally conscious pool owner.
400 btu electric pool heater.
Heaters utilize natural gas propane or electricity to heat water returning back into the pool.
A british thermal unit btu is the amount of energy required to raise one pound of water by one degree fahrenheit.
And 400 000 btus is more than enough power.
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.
Leslie s carries the best pool heaters from the leading manufacturers like jandy pentair sta rite hayward and raypak.
One btu is capable of raising the temperature of 1lb of water by 1 degree fahrenheit.
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The heater input is the energy still in btu s that is used to generate the output heat.
A 400 000 btu pool heater is ideal for pools over 40 000 gallons.
This means the more btus a pool heater produces the faster it will heat the water in your swimming pool.
But that does not mean that this unit is not as sturdy or efficient as any of its competitors.
For example if you buy a 400 000 btu pool heater and your pool size requires you to have a 300 000 btu pool heater well that means you can run the 400 000 btu inground pool heater at a maximum of 75 of it s total power at any given time.
Hayward h400fdn universal h series 400 000 btu pool and spa heater natural gas low nox.
All modern pool heaters are above an 80 efficiency rating.
In addition to installation cost the running cost of an electric pool heater will depend on where you are and season.
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The other 96 5 of the time the heat exchanger can be bypassed so the pump works less saving electrical energy and up to 350 a year.
So a reasonably safe bet for our example pool is a heater that is rated for around 250 000 btu s.
But you should also know that it s always better to buy a larger pool heater so you re not running your heater at 100 all the time.
This makes it run quieter last longer and because of larger size it will heat your pool quicker.
The heater output or btu is the energy that the heater will transfer to the pool water.
Smartpool sunheater solar heating system.
Solar pool heaters solar heater another option when it comes to swimming pool heater is installing a solar heater.
The energy cost of an electric pool heater on average can be around 500.
It is about 38 lighter and 28 smaller than most of its competitors.
Swimming pool heaters are rated according to a measurement known as british thermal units or btu.
A higher rated pool heater btu s will enable your pool to be heated at the correct temperature without straining and stressing the heater.
Heater sizing for shared pool spa systems.
Heater efficiency is the ratio of output to input typically displayed as a percentage.
Pool heaters are typically used only 3 5 of the average annual pump runtime.