Let me tell you upfront: I have no clue about HVAC, none whatsoever!
I bought a Mitsubishi Mini-Split, Mr. Slim 9000 btu (with heat pump), 1 zone. The reason I bought this one was reasonably priced - **** – 26 SEER, no tax and free shipping. Also, I’ve heard they’re pretty good.
So, I mounted the outside unit on a wall brackets, ~3 feet above ground, run a 220v line to the disconnect box, drill a 3 inch hole above the window (through 2 layers of brick, 2nd floor bedroom), ran a SlimDuct line from the outside unit to the hole on the wall and anchored the back of the air handler on the bedrood wall. That was my yesterday weekend project.
I did not connect the line set nor the power – I was thinking to get a pro to do that, vacuum the line, test for leaks and whatever.
Now the problems begin. Most of them ignored me, since they want the whole work be done by them. However, I found three contractors willing to do the job. 1st one wants $*, 2nd $* and the 3rd $*. Why such a big price difference? All are “diamond” contractors. Does this involve major work/skills, super-duper expensive equipment? How many hours this job could take (the test I mean, hooking the line set and power can not be more than one hour, tops, with a coffee break) ?
Of course, I’ll get the cheapest one, but the price range puzzles me.. Push come to shove, I’ll buy a set of gauges and a vacuum pump and do it myself, cheaper than any of those quotes… I know I’ll blow the warrantee, but paying for a line hookup and test more than I paid for the AC itself doesn’t seem right..
Thanks a bunch!
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