Having too long of a duct on the hot air exhaust increases the back pressure on the fan which could cause it to prematurely fail, so [Vincent] used an extractor fan to automatically give is AC ...
For anyone experiencing the challenges of small-space living, Vent-Axia Pure Air Sense Smart Bathroom Extractor Fan stands out as it combines smart functionality with silent efficiency.
With a heat recovery efficiency of better than 80% at 30 m³/h air output ... this way allows use in summer as an automatic ventilation and extraction system. With the extensive range of uses ...
EnviroVent, a Which? Trusted Trader that specialises in whole-house ventilation systems and extractor fans, recommends a system called positive input ventilation (PIV). It draws fresh air from outside ...