enclosing air handler etc

andrelaplume2October 14, 2010

My new heat pump was installed. There is a wall on one side already. The back abuts a stairway and I plan to box that in as well as the other side. Thus is will be walled in on 3 sides and I am going to put sliding dors in the front so it is fully accessible.

Since this is not a boiler but rather a heat pump, do I need to drywall the INSIDE of this area?

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If this is an air source heat pump--most likely as they are the most common--it may not be advisable to enclose it as it uses the air as a heat source or sink. Check the manual, manufacturer's website or technical line or your supplier before enclosing it.

    Bookmark   October 16, 2010 at 8:54AM
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Thanks worthy, I'll double check..it is a hp. I did ask the salesman who sold it to me who said it could be enclosed and in fact said he'd come back and put a return thru my wall into the unit when I 'finished' my basement...that was year ago!

Still I'll double check. Would drywall be necesary both inside and out?

    Bookmark   October 17, 2010 at 10:44PM
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Enclosure is probably not the best description. You can surround it as long as you leave sufficient room for ventilation. See, for instance, the answer by this energy supplier.

Drywall around any return would look more finished. Certainly, drywall isn't suitable for exterior use.

    Bookmark   October 22, 2010 at 4:47PM
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I think I confused you. I am talking about the part of the heat pump that resides in the house...in the basement.

    Bookmark   October 22, 2010 at 10:11PM
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Oh well. It can't hurt to post a hopefully helpful answer to a question that wasn't asked.

    Bookmark   October 23, 2010 at 8:04AM
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For operation, enclosing the unit is no problem providing you provide a louvered door or dedicated return air ducting so the air can get into the unit, however you MUST make sure that you leave sufficient access for maintenance, including removing the fan/motor assembly.

    Bookmark   October 23, 2010 at 9:45PM
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