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Yes, it also heats, but my wife and I installed about of about a mile of tubing in the floors and a WM Ultra boiler 95% so not much heating usage, I hope. I did a test and it put out 115 F air...
Outstanding work soldier!
What is DYI?
Very impressed. Thanks for the info.
If i ever get my other projects completed …..
I looked at a mini split for my 350 sq ft sunroom.
Putting in a 15k BTU PTAC unit (hotel style) turned out to be a better, cheaper choice, for me. I paid about $750 for the wiring (220v), and $1000 for the unit, delivered.
I snicker that you “did it yourself” - with your HVAC S.I.L. ;)
Still, a good job and it saves a lot to have a well-working system.
What no back-up generator?
18,000 BTU (9,000 + 9,000) dual zone kit with 10’ to 50’ lines selection. $2k
Install/assemble, open valves, done.
I would have run the 30 inch vacuum over night as well. I hate air and noncondensables. Other than that
Damn good job!
It’s about all they use in tropical Asian climates. They work great.
Well done! Your labor and your smarts saved you thousands of dollars. Now just find a way to get your new arrangement to charge your EV.
My roof is 20 and I think it’s a 25-year roof, looks in pretty good shape. Every so often this neighborhood gets targeted with ads for the new metal roof stuff...
Well I finally read some of this stuff and it’s not only metal roofing they’re doing your whole roof with a heat sync type of material that reduces the temperature of your attic so in 5 years after I understand even more about this phenomenal new product I keep hearing about but ignored, maybe they’ll be more information and testimony.
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Bkmk....split AC
One 30000btu for the living/dining/kitchen/FL room, which has its own outside unit.
Each bedroom is 9000 btu, each with its own outside unit, figuring that if one failed we can sleep in the other bedroom, while we wait for parts, or swap parts if necessary. They are now ten years old and am replacing the bedroom units, same size 24-SEER
Initial cost
$3k for both bedrooms including disco box, line set, inside/outside units, wire, drain tubes, line set covers.
$3k for the living room.
I poured the outside slabs and mounted the in and out units, the disco box and drilled the holes in the block walls. Electric drop lines from main box was run by electrician and AC guy I know flared the line sets, drew the vacuum and dumped the Freon. Total cost was less than $8k.
VERY quiet.
August electric bill is ~$120/mo to keep the house 78° & winter is about $80/mo...and there is zero insulation in the attic. I'll get to that one day this winter when it's not so hot up there and rent a blower to blow in 18” of pink panther.
I bought from ecomfort in Illinois. Both times, great service, very helpful, shipped to my house.
I say all this to echo your thoughts and to encourage others who may be considering options.
Thanks for the great article!
My Trane XL1400 two-ton system seems to have lost almost all of its R-22 freon at the wrong time of year here in Florida.
I’m going to have to replace it.
About how much should I expect to pay, with a line filter?
What is the additional amount I should expect to pay for a heat pump system instead of the typical AC + resistance heating?
Any particular brands I should seek out? avoid?
My split system lines are 44 years old. Should they be replaced? If so, how much should I expect to pay?
If there are things I haven’t asked about, but need to know, let me know.
My new neighbor put in a swimming pool heater by himself.
No freon lines were involved. PVC water pipe is stuff I can deal with. Brazing is for pros.
There is a company that sells a unit that allows AC units to use a swimming pool for a heat sink. I don’t have a swimming pool, but a koi pond would be nice.
Put a Mr Cool 36k 16 seer in my 40x60x14 building. Insulated with closed cell foam. Maintains 72 on lower level with 98 outside. They replaced the unit when it wouldn’t run below 50 during the winter. Happy ever since.
What about installation of the compressor unit? Isn’t that outside, and, if so, does it need a concrete pad?
You don’t need to change your vacuum pump oil after every use.