Pool Heaters

Compare gas pool heaters by BTU output, efficiency, fuel type, emissions, heat exchanger, controls, installation, and warranty.

Compare pool heat pumps by heating capacity, efficiency, climate performance, noise, controls, and installation requirements before choosing a model.

Learn how gas pool heaters and heat pumps work, how to size a heater, estimate heating time and cost, and choose the right system.

Compare pool heat pump and gas heater operating costs using energy consumption, efficiency, local utility rates, climate, and heating habits.

Learn how pool size, heater output, starting temperature, weather, wind, heat loss, and pool covers affect pool heating time.

Learn what determines pool heating cost, including heater type, energy prices, pool size, weather, temperature, runtime, and heat loss.

Learn how to estimate pool heater size using pool surface area, temperature rise, climate, heat loss, and desired heating speed.

Compare gas and heat pump pool heaters for heating speed, efficiency, climate, operating cost, installation, and everyday pool use.