TOSHIBA Air-to-Air Heat ExchangerTOSHIBA Air-to-Air Heat Exchanger uses exhaust air to pre-condition incoming air to reduce cooling or heating demand and overall size of the air conditioning system. This improves the energy efficiency of the building and can also help to comply with buildings regulations.This style of unit comes in 4 different models - 151,251,351 & 501Units come with built in spigots: 2 x 100mm to 2 x 200mmFresh air ventilationDATA SHEETSKU: Alph53 Select Unit Please selectU00151 SY-E U00251 SY-E U00351 SY-E U00501 SY-E £0.00 ex VAT Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendOur TOSHIBA Air to Air Heat Exchanger is designed to improve ventilation efficiency by recovering heat from outgoing air and transferring it to incoming fresh air within whole house ventilation and commercial air movement systems.Air to air heat exchangers are commonly used in homes, offices, light commercial buildings, and controlled ventilation systems where fresh air supply, extract airflow, and improved energy efficiency are important. They help support better indoor air quality while reducing heat loss through ventilation.Compatible / other products include 75mm x 50m Semi Rigid BlackFlex Spectra 200, Plastic Air Valves, Extract Air Valve Metal, Supply Air Valve Metal, and Insulated Flexible Duct.Suitable for whole house ventilation systems, heat recovery ventilation, fresh air supply, extract systems, and energy efficient building ventilation, this TOSHIBA air to air heat exchanger provides a reliable solution for improving airflow and indoor comfort.