Recent content by DIY_Mike

I agree, this should be a pretty easy leak to find if you're getting that much of a freon loss. You wouldn't need to use a dye to find it. It could still be the shrader valves. Once a tech hooks his gauge manifold up, he's sealing that leak up and wont be able to detect it using any leak test...

It's not uncommon for newer techs to misdiagnose problems, especially when it comes to testing the windings on compressors. Usually they'll use an ohmmeter to do this, which aren't really designed to give good, accurate measurements on low resistant/high HP compressors. A lot of compressors are...

You'll know when defrost mode isn't working anymore, because your condensing coil will turn into a block of ice and your home will be cold. If you say your heat is working fine, it's working fine. Burnt up contactors usually weld themselves into the closed position, forcing your unit to run...

There are two things you can easily check. First, check out the hole in the drywall behind your t-stat where the wiring comes through. That hole needs to be plugged with insulation, otherwise your stat could be reading temperature from inside the wall, which would be cooler than the room...

I spent about 5 years professionally installing and servicing HVAC systems and can give you a few suggestions, but there are a few things I need to know. First, do you have a straight heating system or is it a heating/cooling system? If cooling is involved, it's very likely you have a sheet...