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re: I almost feel sorry for the A/C
Posted on 6/30/23 at 9:58 am to SpartanSoul
Posted on 6/30/23 at 9:58 am to SpartanSoul
We spent a good couple weeks in the spring replacing all of the attic insulation and air sealing the attic. Vacuumed all the old nasty fiberglass out (only had about 2 inches) and blew in 18" cellulose. Air sealed all the top plates of the walls and light fixtures, etc with spray foam. Did new double pane energy efficient windows last year.
AC unit is an old 3 ton R22 system that was installed in 1997. It sounds like a jet engine but it holds it at a comfortable 68 in here. Energy bill was $206 last month, 1,600 sq ft house.
We pretty much are decided that when it kicks the bucket it's time to replace, not try to repair unless its just a capacitor or something. Cost to get R22, etc.
The prospect of spending 15k on a new system that will likely not work as well is just not a fun idea. It's kinda depressing reading all these posts on here about these <5yr old systems that can't get below 76 or so.
AC unit is an old 3 ton R22 system that was installed in 1997. It sounds like a jet engine but it holds it at a comfortable 68 in here. Energy bill was $206 last month, 1,600 sq ft house.
We pretty much are decided that when it kicks the bucket it's time to replace, not try to repair unless its just a capacitor or something. Cost to get R22, etc.
The prospect of spending 15k on a new system that will likely not work as well is just not a fun idea. It's kinda depressing reading all these posts on here about these <5yr old systems that can't get below 76 or so.
1
Posted on 6/30/23 at 10:10 am to dr_pootis
You need the right contractor. All new equipment should perform well.
Be aware of SEER chasing. In Louisiana, humidity is #1 issue.
The way it works is, AHRI a test lab, has certified that this xxx specific model, when paired with this specific yyy inside unit, is certified to achieve 16 seer, etc.
You would think that the higher seer, the better. But one of the ways this is achieved is upsizing the inside cooling coil. THAT actually reduces the de-humidifying ability . More coil runs to
“ spread out “ and not run a super cold coil, which would quickly remove humidity.
So, in LA, don’t let them put a 4 ton inside unit with a 3 or 3.5 ton outside unit. Carrier / Bryant makes specific 3.5 ton coils ( or air handlers in the case of electric heat)
Be aware of SEER chasing. In Louisiana, humidity is #1 issue.
The way it works is, AHRI a test lab, has certified that this xxx specific model, when paired with this specific yyy inside unit, is certified to achieve 16 seer, etc.
You would think that the higher seer, the better. But one of the ways this is achieved is upsizing the inside cooling coil. THAT actually reduces the de-humidifying ability . More coil runs to
“ spread out “ and not run a super cold coil, which would quickly remove humidity.
So, in LA, don’t let them put a 4 ton inside unit with a 3 or 3.5 ton outside unit. Carrier / Bryant makes specific 3.5 ton coils ( or air handlers in the case of electric heat)
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