OpenERV
(openerv.ca)
The TW4 decentralized Energy Recovery Ventilator transfers clean outdoor air inside and moves polluted air outdoors, while harvesting ~90% of the heat energy - so you get fresh air without the downsides of heating or cooling it.
The TW4 decentralized Energy Recovery Ventilator transfers clean outdoor air inside and moves polluted air outdoors, while harvesting ~90% of the heat energy - so you get fresh air without the downsides of heating or cooling it.