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ncbill
Premium
join:2007-01-23
Winston Salem, NC
reply to pandora

Re: The renovation continues ... today new 400 amp service!

So why didn't you pick a ground source heat pump?

IIRC, those are more efficient for heating than air-source, plus can be configured to provide hot water.

said by pandora:

My home is now entirely heated by electricity (a Geospring for hot water) and by heat pumps (for hot or cool air). Auxiliary heat requires 20KW per air handler (we have 2 air handlers). The electric heater can draw 4,400 watts, if two are installed (which may happen) I'll need 8,800 watts.



cdru
Go Colts
Premium,MVM
join:2003-05-14
Fort Wayne, IN
kudos:7

said by ncbill:

So why didn't you pick a ground source heat pump?

IIRC, those are more efficient for heating than air-source,

They are. But for a 5000 square foot house the necessary loop may have been prohibitively expensive in a heating-dominated climate like CT. And you'd still likely want backup heat of some sorts.

plus can be configured to provide hot water.

It can help supplement, but not necessarily fully replace. Plus in the winter most of the heat is used for heating. You can install an even longer loop for domestic hot water as well, but that adds even more cost.

pandora
Premium
join:2001-06-01
Outland
kudos:2
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reply to ncbill

said by ncbill:

So why didn't you pick a ground source heat pump?

IIRC, those are more efficient for heating than air-source, plus can be configured to provide hot water.

It saves me $60,000 for the time being, later a ground heat pump solution can be installed. I tried, but the price difference was too great.
--
"If you put the federal government in charge of the Sahara Desert, in 5 years there'd be a shortage of sand." - Milton Friedman"


fifty nine

join:2002-09-25
Sussex, NJ
kudos:2

said by pandora:

said by ncbill:

So why didn't you pick a ground source heat pump?

IIRC, those are more efficient for heating than air-source, plus can be configured to provide hot water.

It saves me $60,000 for the time being, later a ground heat pump solution can be installed. I tried, but the price difference was too great.

You get back 30% of that on your taxes, which is about 18 grand. I would have done geothermal if I had the opportunity.

pandora
Premium
join:2001-06-01
Outland
kudos:2
Reviews:
·ooma
·Google Voice
·Comcast
·Future Nine Corp..

said by fifty nine:

You get back 30% of that on your taxes, which is about 18 grand. I would have done geothermal if I had the opportunity.

When I ran the numbers, my total cost would be $60,000.

Each family has it's own unique situation.
--
"If you put the federal government in charge of the Sahara Desert, in 5 years there'd be a shortage of sand." - Milton Friedman"