Recent content by SLM

might be a pressure switch problem. remove the tube off switch and blow back into the exhaust fan. also can remove hose at exhaust blower and clean out ****** with a paper clip.

You might want to think about installing a roof top unit on a platform or on the ground. they come in different heat & cooling size. By doing this you only have one unit, and can run duct work on the outside or inside on the wall up to ceiling and split duct and install a zone damper for shop or...