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No, but a retired gen. contractor in my family said that HVAC clients fall into two categories: 1. People who do a little homework, come to understand a bit of what they are paying for, and therefore spend less by making better decisions and having some idea what a good price is. 2. People who...

I just had another person chime in, a fairly knowledgable scientist who works as a LEED consultant and understands insulation pretty well. He told me that if I wanted the absolute best possible situation I should go with closed-cell foam. Then, to my surprise, he told me that if it was his...

Ok, so it's looking like I'll go for the Mitsubishi mini-split for the garage! Now to choose the size. This is a 20 x 20 garage, epoxy floor, rockwool batts with R15 in the walls and R23 in the cathedral ceiling. Also an insulated garage door. This garage has 7 windows in it (yes, 7) but 4 of...

Problem solved. I used the Mitsubishi site to find a diamond contractor and quickly found 2 that were happy to perform the install. Both of them said that it was fine to do that, but you get a longer warranty if you buy it through them - I don't know if that's true. Sure enough, both of them...

I went through this when we spray foamed our attic, converted to a bedroom. In our situation, we drywalled in the attic with a cathedral ceiling. This was a vented roof, so if we were blowing some insulation into the rafters we would need to install baffles or vents to make sure it remains...

I tried this and they provided a huge directory of installers, but it was very unclear if they were all up for the job of installing a unit like this. I can work through the list if need be! I checked that site and it's a much shorter list, will seriously consider this! The installer, who I...

I have a finished attic in my house and we blew closed foam into the rafters (6 inch). Not only is there no squeak and pop, it's surprisingly silent now. I am really impressed with how well it works, at least as far as quiet/warmth is concerned.

Got it. So the idea is to spray closed cell, then net it up and blow cellulose, then drywall? I guess it would be pretty effective!

Interesting to have lots of opinions here. I am still leaning toward a few inches of foam up top and rockwool batts in the walls. It would be good if I could add something to the attic to boost it even more, but the idea of doing the nets or drilling holes in brand new drywall doesn't really...

And yet, people seem to be doing it all the time. I can't believe that there isn't a single reputable installer who will do a great job installing. And this business about the profit margin is nonsense. It's just like online glasses - so many opticians say 'oh but we don't make any money online...

I am also looking into this, and I'm also in Denver. I had someone come out and measure/discuss the Amarr Olympus which goes for like 1900 installed, and sounded great but I am still not 100% clear on the quality difference between that and the Clopay for 1300 installed. Is the Clopay really...

My understanding was that closed cell foam was an air and moisture barrier,

It's amazing how many different opinions I've heard. I we have an unvented roof and an expert with real credentials told me that since I'm going to epoxy the floor (the biggest source of moisture in a garage, evidently), I should just leave the unvented roof sealed and not worry about it!

I am actually trying to keep noise out, since I'm doing video production in the garage. With 2x6 under the roof, I could do big rockwool batts, or maybe 3 inches of foam, or blow in cellulose. The batts seem so easy, thoughe, it's so tempting to just go for that. Doing foam + blown seems like...

Hi all - I have a 20 x 20 garage and I'm going to get it finished with a cathedral ceiling, i.e. drywalled all the way up to the peak of of the roof. Boy it's tough to choose insulation. I am doing some video work so i want it to be quiet, and here in Denver we have pretty hot/cold seasons...

Hi all - My 20x20 garage is going to be insulated with spray foam under the roof, rockwool along the wall, and an insulated garage door before hanging drywall up to the cathedral ceiling. So, I expect decent insulation although I'm cutting in a few windows and I really doubt that any garage...