Standalone Heat Exchangers are a very cost-effective method of heating your swimming pool.
Hot water is taken from an energy source such as a Boiler and sent to the Heat Exchanger. This hot water is passed over the plates inside the heat exchanger to heat up the swimming pool water and the thermostat controls the pool temperature. It is a very effective method of Swimming Pool heating and the heat exchangers prevents any chlorine from mixing into the boiler loop.
There are various Heat Exchanger types available depending on your requirements.