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Cold Bedroom.

 
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Old 10-30-2018, 04:55 PM   #1
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Cold Bedroom.


I have a client slash friend whose kids bedroom is noticeably colder than the rest of the house in the winter. It's one of the closest rooms to the furnace, and the vents have good airflow. But it's crazy cold in there. Probably 10 degrees difference, maybe more. The windows still seem to be sealed tight. And they've been caulked around.

I noticed when I was in the ceiling recently that the insulation wasn't blown very well around the rafters. There was lots of dead spaces. So I put vents in and blew insulation in there today.

Her room also has a gable roof with a bay window under it. It has vent soffits, and a ridge vent. The bay window also had vented soffit but it was walled in in the Attic. So there was no airflow. I cut some holes and open that up and the cold air was significant. But somehow I have my doubts that any of this has fixed the problem. Any thoughts?

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Old 10-30-2018, 05:34 PM   #2
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Re: Cold Bedroom.


Where's the cold air return in relation to this room?

Cold in the winter, so was it extra hot in the summer compared to the other rooms?

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Old 10-30-2018, 05:55 PM   #3
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Re: Cold Bedroom.


I fixed some ducting to a cold laundry room a few weeks ago.

It turns out that when the hose to the washing machine broke three years ago, water got down the register and filled the duct. I poked it to let the 2-3 gallons out.

The flooring was replaced, but nobody bothered to go down in the crawlspace.


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Old 10-30-2018, 05:59 PM   #4
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Re: Cold Bedroom.


You got pics? Her room has a bay window? Those things are notoriously cold and poorly insulated
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Old 10-30-2018, 06:37 PM   #5
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Re: Cold Bedroom.


I'll get dome pictures and ask about the cold air return.

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Old 10-30-2018, 06:41 PM   #6
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Re: Cold Bedroom.


Teenager's room? Door closed a lot? Like Tim said, possibly return air issue. Is the door undercut?

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Old 10-30-2018, 06:42 PM   #7
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Re: Cold Bedroom.


Quote:
Originally Posted by t.carpenter00 View Post
I have a client slash friend whose kids bedroom is noticeably colder than the rest of the house in the winter. It's one of the closest rooms to the furnace, and the vents have good airflow. But it's crazy cold in there. Probably 10 degrees difference, maybe more. The windows still seem to be sealed tight. And they've been caulked around.

I noticed when I was in the ceiling recently that the insulation wasn't blown very well around the rafters. There was lots of dead spaces. So I put vents in and blew insulation in there today.

Her room also has a gable roof with a bay window under it. It has vent soffits, and a ridge vent. The bay window also had vented soffit but it was walled in in the Attic. So there was no airflow. I cut some holes and open that up and the cold air was significant. But somehow I have my doubts that any of this has fixed the problem. Any thoughts?

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I suspect missing insulation in a couple areas..or more. Had the same thing with one of our upper bedrooms and I ended up opening the entire wall to redo it. It was an old house, and the blown-in cellulose in the walls had settled.

Could be that pulling the window casing reveals a bunch of gaps.

Thermal imager might help.

Last edited by MarkJames; 10-30-2018 at 06:53 PM.
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Old 10-30-2018, 06:44 PM   #8
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Re: Cold Bedroom.


So you guys thinking no air flow, huh?

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Old 10-30-2018, 06:51 PM   #9
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Re: Cold Bedroom.


This house was built in 89. I've been thinking the same thing about settlement.

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Old 10-30-2018, 06:53 PM   #10
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Re: Cold Bedroom.


CAR is important...if air can't get out, air can't get it.

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Old 11-04-2018, 09:17 AM   #11
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Re: Cold Bedroom.


I would check for cold air return first. Sometimes people think having a Door with a large ha at the bottom will solve the problem. It doesnít really.

Then I would check for insulation around that bay.

If thereís no cold air return it doesnít matter how much airflow there is. imagine shutting the door, the airflow blows up the room like a balloon , and then once itís full, the air has nowhere to escape and then it just stops.


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Old 11-04-2018, 10:08 AM   #12
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Re: Cold Bedroom.


On a cold day, feel the walls, ceiling and floor with your hand. Something is going to stand out. (Use a latex glove to keep the walls clean.) It may be old-fashioned, but it often works.

An infrared thermometer would help, as well.
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Old 11-04-2018, 10:40 AM   #13
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Re: Cold Bedroom.


Make sure supply and return air paths aren't restricted, and rebalance the system to bring the room temp up.
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Old 11-04-2018, 10:45 AM   #14
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Re: Cold Bedroom.


Quote:
Originally Posted by MarkJames View Post
On a cold day, feel the walls, ceiling and floor with your hand. Something is going to stand out. (Use a latex glove to keep the walls clean.) It may be old-fashioned, but it often works.

An infrared thermometer would help, as well.
Yup. I've got a cheap one I've had for years and it comes in handy quite often.

https://www.amazon.com/d/Infrared-Th...ed+thermometer
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Old 11-04-2018, 05:03 PM   #15
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Re: Cold Bedroom.


Quote:
Originally Posted by Inner10 View Post
CAR is important...if air can't get out, air can't get it.

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yup. what he said.
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Old 12-19-2018, 08:18 AM   #16
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Re: Cold Bedroom.


Perhaps Infrared Thermal Camera could help.

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Old 12-19-2018, 08:20 AM   #17
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Re: Cold Bedroom.


That's a good idea....

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Old 12-19-2018, 08:46 AM   #18
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Re: Cold Bedroom.


There are thermal cameras in Amazon for smartphones also. https://amzn.to/2UZr8kj
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Old 12-19-2018, 11:07 AM   #19
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Re: Cold Bedroom.


I hope he's got the problem resolved by now.
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Old 12-24-2018, 09:00 AM   #20
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Re: Cold Bedroom.


I sent my HVAC guy over there. He said that the unit was actually oversized for the house, so airflow wasn't a problem. He simply suggested the guy leave the door open. Something I've told the guy several times. College professor... You know.
I haven't checked back with him yet. Probably will today.

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