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Old 12-30-2008, 12:24 PM
 
41 posts, read 101,681 times
Reputation: 23

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We are in a new home (new construction - we didn't have it built but we are the first owners). It has a heat pump with propane back up. Finished square feet is approx 5400 (2800 main floor, rest in the basement). As we have always had natural gas, forced air heat, I have a few questions:

The heat pump (same as the air conditioner) is VERY loud, and unfortunately right outside the master bedroom window. At times is vibrates so loudly it wakes us up. Is this normal? I was told that it is because it has to "defrost", and that is when it is exceptionally loud, but even when it is just running and not defrosting is still is quite loud.

Having natural gas in the past, we had always turned the heat down at night to about 65 - 66, and then had it go up to 70 during the day when we were home. It is nearly impossible to get this house to heat back up (could take 6 hours or more to go from 65 to 69-70). I was told by a professional that we cannot take the temp swing more than 2-3 degrees on a heat pump because it cannot get back to temp. An acquaintance that has a heat pump (without propane back up) says they take theirs over 5 degrees different at night and have no problems.

Horrible and constant loud "clicking" noise in the furnace room when the heat it on, I think in the duct work, that runs from downstairs furnace room to upstairs and the noise seems to accelerate and amplify by the time it gets upstairs. Unfortunatley, this is right outside the master bedroom, so that also is very annoying. The professional told me it is because of expanding and contracting duct work which is normal, but I've never lived in a house before that had this kind of annoyance.

Any advice and comments are appreciated. Thanks!
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Old 01-01-2009, 10:30 AM
 
Location: Indianapolis and Cincinnati
682 posts, read 1,387,817 times
Reputation: 609
Sounds like whomever installed your heatpump had no clue what they were doing. We have a heat pump and yes the outside unit can be noisy but it sounds like they put no consideration as to where to locate the outside unit. You don't put these things outside a bedroom window! clicking sounds like an electronics relay problem.

As for the ductwork is it sealed and insulated? Ductwork does expand and contract somewhay but usually if it is making noise its because its not properly anchored and the hangers arent isolated from the ductwork wityh a plastiv bumper. If your ducts aren't insulated you should definitely seal the ducts and dont use ductape, get the shiny furnace tape. You can get duct insulation at most home improvement store and do it your self. You will save a ton on your heating and cooling costs.

I would seriously consider having the external unit relocated. Maybe on a side of your house away from windows like a garage.
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