My friend sent me this link > https://www.norbert.de/index.php?id=10 < It is a 24/7 broadcast of various recordings people have sent in. He said the...
OK but I'm looking for a controller to turn the fans off and on. A heat exchanger is just a piece of hardware, not a controller. A pair of fans with...
I'm volunteering for a food bank and trying to set up a cold room to store produce and other perishables. The main cooling will be done by a pair of...