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I used to be a plumber, I never worked with HVAC but we worked with gas lines very often. We would test the lines before hooking up the gas by removing the house side of the gas meter line and attaching a gauge to it, then taking a simple bicycle pump and pumping pressure up to 3.5 PSI. We would...

Is nitrogen easier to detect a leak with? Im not questioning the use of it, I am just curious why. Does one need a license to buy nitrogen? And where would I get it from if I do plan on trying it myself? If I do have to vac/charge the system, I want to do it right the first time.

Thanks for all the information guys. I dont think Ill bother with an interior disconnect unless I absolutely have to do so. Im excited to get going on this, but I still have to actually buy the house. This is such a slow process, but itll be worth it. The wife has been harassing about buying a...

Well I live in Amarillo, Tx our weather is really random. We've had summers up to like 110 at max usually. Winters usually the max cold temp would be -15 with the windchill. but the wind blows hard here. We can have like 60MPH gusts some days.

I replied to you earlier but i guess it didnt post. Thanks for the input, do you think the factory line set is junk? I could still get it, cut the factory ends off and flare it myself if i had to do so. I plan on installing everything. Then i wanted to hire an a/c tech to come out and vac test...

Slim, thanks for the double check. Im not sure yet whether or not ill be using 20 or 30 amp breakers or 10 or 12 gauge wire. Im not sure what system im going with yet. But i really want 3 interrior units. Possibly will do 2. If i have to do a long run i may use 10 g. Have you guys had problems...

Hi guys, my name is David. I've been lurking around for a while but this is my first post. My wife and I are in the process of buying our first home. We are pretty young and we are both still in college so things are really tight right now. But the house we plan on buying has no central heat or...