Airstream has been designing, manufacturing and delivering cutting-edge heat-recovery units for commercial and residential swimming pools for over 40 years.  Airstream are a trading division of Excool Ltd, under which we have been manufacturing swimming pool ventilation air handling units since 1983. From our inception, we stood out in the market for our advanced heat recovery systems that utilised controlled fresh air, along with our patented composite plate heat exchanger that allows up to 90% heat recovery for commercial and 85% heat recovery for residential swimming pools. The Airstream R and Airstream C offer swimming pool ventilation systems that comes with an industry-leading 5-year warranty when you sign up for our 5-year service plan