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Electric Heater for Attic

Posted on 12/24/22 at 3:20 pm
Posted by greenbean
USAF Retired
Member since Feb 2019
4599 posts
Posted on 12/24/22 at 3:20 pm
Although too late for this cold snap, any recommendations for an electric heater for attic space? Two-story house and unfished attics on each side of the bonus room. It got to 30 in one of the attics (it is over an unheated garage) last night and in the mid-30s on the other side. Would like something programmable to come on at a certain temp so I can just leave it in the attic year-round.
This post was edited on 12/24/22 at 3:56 pm
Posted by LEASTBAY
Member since Aug 2007
14292 posts
Posted on 12/24/22 at 3:41 pm to
Would you like AC also? My split unit in my patio has heat and AC.
Posted by Clames
Member since Oct 2010
16578 posts
Posted on 12/24/22 at 5:40 pm to
Why in the hell would you waste money trying to heat the attic? There's nothing you could plug in and leave that would make a dent in these temps. I've seen a guy try to vent into their attic space adjoining two upstairs bedrooms directly from a zoned heat pump system with a 20kW heat strip and accomplish nothing more than running up his electricity bill.
Posted by greenbean
USAF Retired
Member since Feb 2019
4599 posts
Posted on 12/24/22 at 9:26 pm to
quote:

Why in the hell would you waste money trying to heat the attic? There's nothing you could plug in and leave that would make a dent in these temps. I've seen a guy try to vent into their attic space adjoining two upstairs bedrooms directly from a zoned heat pump system with a 20kW heat strip and accomplish nothing more than running up his electricity bill.




Oh, I don't know, maybe because one degree can be the difference between pipes freezing and not? No one is trying to heat the attic, they are trying to keep it above 32 degrees for the two or three nights per year it gets to teens and single digits.

This post was edited on 12/24/22 at 9:28 pm
Posted by jmarto1
Houma, LA/ Las Vegas, NV
Member since Mar 2008
33957 posts
Posted on 12/24/22 at 10:25 pm to
Is it worth the cost? My opinion is that this doesn't happen often enough to warrant that expenditure. It is much cheaper to run the water
Posted by Clames
Member since Oct 2010
16578 posts
Posted on 12/24/22 at 11:23 pm to
quote:

Oh, I don't know, maybe because one degree can be the difference between pipes freezing and not?



Lots of people manage to do this without running a heater in the attic.
Posted by Gorilla Ball
Member since Feb 2006
11675 posts
Posted on 12/24/22 at 11:50 pm to
If your attic Is properly vented then that heat is gonna escape. Why in the world would you do this???
This post was edited on 12/25/22 at 3:48 am
Posted by LsuFan_1955
Slidell, La
Member since Jul 2013
1752 posts
Posted on 12/25/22 at 3:34 am to
Why not heat trace the water pipes? Heat tracing tape comes with a thermostat. It would be much cheaper than a space heater in the attic.
Posted by Ricardo
Member since Sep 2016
4889 posts
Posted on 12/25/22 at 7:10 am to
Yep. That's what I'd do.

Type in "Frost King" or Heat Cable in a search engine. You'll find a lot of products that will help.

If you're in the South, you don't really need to worry that much about it.
Posted by CSinLC
Member since May 2018
656 posts
Posted on 12/25/22 at 10:16 am to
Posted by Cracker
in a box
Member since Nov 2009
17711 posts
Posted on 12/25/22 at 8:30 pm to
I would used heated tape.
Posted by mdomingue
Lafayette, LA
Member since Nov 2010
30305 posts
Posted on 12/25/22 at 8:50 pm to
quote:

quote:

Why in the hell would you waste money trying to heat the attic? There's nothing you could plug in and leave that would make a dent in these temps. I've seen a guy try to vent into their attic space adjoining two upstairs bedrooms directly from a zoned heat pump system with a 20kW heat strip and accomplish nothing more than running up his electricity bill.




Oh, I don't know, maybe because one degree can be the difference between pipes freezing and not? No one is trying to heat the attic, they are trying to keep it above 32 degrees for the two or three nights per year it gets to teens and single digits.





Why would you waste money heating the air in an attic when you can simply insulate the pipes? And use heat trace if you are really concerned but here in Louisiana, the insulation is probably sufficient.

Insulation
https://www.homedepot.com/p/Armaflex-3-4-in-x-1-2-in-x-75-ft-Continuous-Coil-Pipe-Insulation-APC07812R/205881745


Heat trace
https://www.homedepot.com/p/Frost-King-30-ft-Automatic-Electric-Heat-Cable-Kit-HC30A/100196471



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