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Pipes Freezing in attic

Posted on 1/9/24 at 3:29 pm
Posted by greenbean
USAF Retired
Member since Feb 2019
4543 posts
Posted on 1/9/24 at 3:29 pm
Central MS will be below freezing starting early morning on Monday through noon on Wednesday, with several hours in the low teens. Any concerns with pipes freezing in the attic? Two water heaters on each side of upstairs bonus room, one is over an unheated garage. If I need to add heat, recommendations on an electric heater.
Posted by tigerstripes
Loranger, LA
Member since Aug 2006
792 posts
Posted on 1/9/24 at 3:37 pm to
Insulate pipes somehow with sleeves and leave incandescent lights on in attic...Electric heater I don't know.
Posted by baldona
Florida
Member since Feb 2016
20401 posts
Posted on 1/9/24 at 4:28 pm to
quote:

leave incandescent lights


This OP. insulate the lines. If you have a couple of lamps you can run these like the old shop lights that you hung from your hood of your truck. Remember heat rises so you want short ones. But just 2-3 bulbs will often keep a pretty large space somewhat warmer to not freeze.
Posted by Sidicous
Middle of Nowhere
Member since Aug 2015
17127 posts
Posted on 1/9/24 at 5:40 pm to
quote:

leave incandescent lights on in attic
Thanks for reminding me, gotta cut the circuit breaker and replace bulb stub with new bulb. Somehow the one in the socket broke/shattered.
Posted by Zappas Stache
Utility Muffin Research Kitchen
Member since Apr 2009
38666 posts
Posted on 1/9/24 at 6:09 pm to
Are the pipes within the attic insulation? If so I wouldn't worry. We were below 0 one night and below 20 for 3 or 4 nights a couple years ago and all I did was drip faucets. The attic will get a little heat percolating up from your living area.
Posted by Spankum
Miss-sippi
Member since Jan 2007
55982 posts
Posted on 1/9/24 at 6:33 pm to
Pipes in your attic are generally connected to a water heater which prevents them from freezing. Be sure to open cabinet doors on all on all exterior walls, as that is where most pipes freeze.

I’ve seen projections for 1 degree Fahrenheit in the Southaven area.
Posted by MikeBRLA
Baton Rouge
Member since Jun 2005
16450 posts
Posted on 1/9/24 at 6:36 pm to
quote:

Pipes in your attic are generally connected to a water heater which prevents them from freezing.


Only if the hot water is running.
Posted by TurkeyThug
Member since Jan 2019
191 posts
Posted on 1/9/24 at 6:38 pm to
If your attic door is in main house I would open it and let the house heat keep attic warm. Electric bill will go for sure but everybody’s will after this pole vortex
Posted by sledgehammer
SWLA
Member since Oct 2020
3330 posts
Posted on 1/9/24 at 7:06 pm to
Keep some sharkbite or PVC fittings on hand just in case.
Posted by ml
Japan
Member since Mar 2015
133 posts
Posted on 1/9/24 at 7:26 pm to
Maybe try this:

DEWENWILS 18ft Heat Cable for Pipe Freeze Protection, Snow De-Icing Cable with Build in Thermostat, CSA/ETL Listed LINK
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
66763 posts
Posted on 1/9/24 at 8:03 pm to
quote:

Electric bill will go for sure but everybody’s will after this pole vortex


Not mine.

Gas all the way baby. Sounds like someone is boiling crawfish in my attic.



Damn shame there isn't an equivalent method of air conditioning.
Posted by Spankum
Miss-sippi
Member since Jan 2007
55982 posts
Posted on 1/9/24 at 11:57 pm to
quote:

Only if the hot water is running.


No sir…heat travels up both the hot and cold water pipes regardless of weather water is running. Go and feel the i\piper on top of your water heater.
Posted by MikeBRLA
Baton Rouge
Member since Jun 2005
16450 posts
Posted on 1/10/24 at 8:12 am to
quote:

No sir…heat travels up both the hot and cold water pipes regardless of weather water is running. Go and feel the i\piper on top of your water heater.


Are you serious? You might get heat transfer for a few feet right next to the water heater, but the pipes will certainly freeze once you get closer to the faucet. Go feel the pipes next to the faucet end.
Posted by MasterJSchroeder
Berwick
Member since Nov 2020
966 posts
Posted on 1/10/24 at 8:22 am to
Do you have a wood burning fireplace?

The heat going through the Chimney will help also
Posted by jlsufan
Baton Rouge
Member since May 2021
260 posts
Posted on 1/10/24 at 8:28 am to
no way could the heater in your house make much of a difference to your attic temps versus the basically infinite heat sink of the outside world at below freezing temps...all you're doing is wasting your heated air

Posted by gumbo2176
Member since May 2018
15037 posts
Posted on 1/10/24 at 9:41 am to
I've got some older shop lights that are on stands that have 2 lamps that use quartz halogen bulbs and those damn things get scorching hot.

I'll put plants in a storage shed when it gets below freezing and put those 2 double light stands in the shed and it keeps things well above freezing.
Posted by indytiger
baton rouge/indy
Member since Oct 2004
9828 posts
Posted on 1/10/24 at 10:30 am to
I’m in the same boat. 2 water heaters and all house plumbing runs through the attic with no insulation on them. There’s no way I could insulate that much pipe either.

For those saying the hot water lines will be fine, I don’t think so. Without the water running, 20 feet away is ice cold.

I plan on running several faucets on far ends of the house, both hot and cold sides.

Also, during the freeze last year I did a test. When the outside temp was 17 degrees, the temp in my attic was 34 degrees.
Posted by greenbean
USAF Retired
Member since Feb 2019
4543 posts
Posted on 1/10/24 at 9:10 pm to
quote:

I’m in the same boat. 2 water heaters and all house plumbing runs through the attic with no insulation on them. There’s no way I could insulate that much pipe either.

For those saying the hot water lines will be fine, I don’t think so. Without the water running, 20 feet away is ice cold.

I plan on running several faucets on far ends of the house, both hot and cold sides.

Also, during the freeze last year I did a test. When the outside temp was 17 degrees, the temp in my attic was 34 degrees.




Yes, same situation. Last winter the temp in the attic got near 32.
Posted by damonster
Member since Sep 2010
2305 posts
Posted on 1/11/24 at 7:55 pm to
I’ve got a rain head shower in our upstairs shower where the waterline is run in the attic. Would running the water through the rain head be sufficient to keep from freezing?
Posted by chieftiger
Mandeville
Member since Sep 2004
1349 posts
Posted on 1/12/24 at 1:17 pm to
What about PEX lines running in attic? I have some sections where they are not buried. We plan to run water, and schedule dishwasher at 3am, but I've always worries about the pex in attic. Thanks in advance fellas
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