If the answer is yes a pool heater is the way to go.
Add a heater to an inground pool.
If using propane 2 to heat the pool it will cost about double that of natural gas.
Pool gallons x 8 33 x desired temperature rise 24 hours required btus.
The best way to try to simplify pool heater sizing is this calculation.
Though gas heaters are popular and cheaper upfront they are not considered as energy efficient as a heat pump.
They are also more costly to purchase up front often twice the cost of a gas fired pool heater and because they utilize a mix of technologies they are similar to an air conditioner working in reverse to add.
A natural gas pool heater is likely to use about 1 therm per hour for a 100 000 btu unit.
Position the solar pool heater where you set up your solar heater for your swimming pool determines how.
Install the solar.
This is not to be confused with a gas heater which burns gas or propane to create heat which is then transferred to the pool water passing through the heater.
Heat pumps pull in air from the outside and by use of coils and other instruments heats the air itself which then heats the pool water flowing through the pump.
While adding a pool heater requires an upfront investment it helps you maximize your investment by being able to use your pool for much more.
Add a solar heater to your pool step 1.
Keep in mind that a gas heater will need a larger btu output because of efficiency.
At air temperatures too much below 50 degrees most swimming pool heat pumps become unable to add any significant heat to your pool.