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Central a/c vs. mini-split
Posted on 8/26/23 at 12:56 am
Posted on 8/26/23 at 12:56 am
Just curious what would make more sense. Our house is too big for our 5 ton central air. Would a 3 ton addition or a double zone mini-split system be better, cost and utility wise? Tia
This post was edited on 8/26/23 at 2:32 am
2
Posted on 8/26/23 at 10:31 am to Topisawtiger
I don't have the answer but, if you get a ductless heat pump, there is a 30% tax credit up to $2000.
Posted on 8/26/23 at 12:35 pm to Topisawtiger
Is that what a Manual J heat load calculation shows - that 5 ton unit is inadequate? LINK. Is your duct work sized properly to deliver 5 tons of cooling capacity (manual D calculation) - don’t assume that is, duct work is commonly undersized for tonnage installed.
Do you have a leaky, under-insulated house, fixing those issues would likely be cheaper than installing an additional HVAC system.
Single story or 2? House size (conditioned area), year built?
Do you prefer a heat pump (mini-split) to a a more conventional split AC with furnace for heating?
Bottom line, you’ve provided so little information on your house no one can really answer your question.
Mini-Spilts are fine units, but beware many techs are not highly experienced in working on them should you have issues.
Do you have a leaky, under-insulated house, fixing those issues would likely be cheaper than installing an additional HVAC system.
Single story or 2? House size (conditioned area), year built?
Do you prefer a heat pump (mini-split) to a a more conventional split AC with furnace for heating?
Bottom line, you’ve provided so little information on your house no one can really answer your question.
Mini-Spilts are fine units, but beware many techs are not highly experienced in working on them should you have issues.
Posted on 8/26/23 at 5:56 pm to CrawDude
Thanks for your reply, I'll provide what I know.
Duct work was proper in 1996 when house was built. Not sure if recs changed tbh.
House is somewhat leaky, been fixing what I could find.
2 story but most of the house is downstairs. About 2800sf.
Not happy with insulation, attic especially. Gradually adding to it. Have a small area foamed. Thinking of doing the rest.
Grandkids in and out all day doesn't help I'm sure.
That's it. Again thanks for your reply.
Duct work was proper in 1996 when house was built. Not sure if recs changed tbh.
House is somewhat leaky, been fixing what I could find.
2 story but most of the house is downstairs. About 2800sf.
Not happy with insulation, attic especially. Gradually adding to it. Have a small area foamed. Thinking of doing the rest.
Grandkids in and out all day doesn't help I'm sure.
That's it. Again thanks for your reply.
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