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I can NOT get it to stay cool in the master bedroom of our house. I overheat easily and get weak / sick, so this is a big issue for me. We have central air (no clue when it was installed) and the room is on the second story. House was built in the 40s, we have an unfinished basement and hardwood floors on the main and second story.
The vent in our room is a few feet from the door, which may be an issue. Or it may be an insulation thing. Our second floor stays way hotter / muggier than the main floor (which can actually get cool / comfortable pretty fast). We have all new energy efficient windows on every floor and we re-roofed in the last two years.
Even when closing off all other rooms / vents and shutting our bedroom door, the room just wont stay cool. You can feel the air coming in when you're by the vent, so I know it's getting in there...
wat do?
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yeah man were having the same issue, brand new central ac though. jenny runs hot all the time, feels like she has a fever no matter what. two dogs sleep in our room too. maybe i am just not setting the thermostat low enough, its at 70 but feels much nicer throughout the rest of the house than in the bedroom. sure beats last year though before we got the ac, got up to 92 in the house which was death.
i kinda would like to figure out how to route more air to the bedroom only at night if that is possible.
Could be a few things.. It could simply be that you don't have enough vents for the sq. ft of the room. Could also be an insulation problem in that room..
Or, its just the simple fact that if your master is on the top floor and your central air is located in the basement, then the air has a long way to travel to get to the room.. It won't be as cool when it reaches there. There could also be a leak in the duct leading to that room..
You can try closing most other vents during the evening..But go beyond just closing the damper, and put a towel or anything that would completely seal off the vent you are closing..
Also, it can be the room.. I've worked in a Ton of older houses that have rooms that are perpetually hot and drab.. They just seem to lack air flow for some reason.
Could be lots of things. Could just be shitty supply/return placement, could be that the insulation on the flex duct or trunk duct could have fallen off somewhere, could be a zoning issue, could be something stuck in the ductwork....
I could go on. I would rule out the compressor as race suggested, if the rest of the house is being cooled properly. Something to remember is that heat rises, so you're upstairs will ALWAYS be a bit warmer/ more humid than the downstairs.
I spent a little over $8K on a whole new system (unit, duct work..EVERYTHING) last year. I better not have any probs outta mine for a WHILE.
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first, closing other vents in your house isn't going to help. if anything, it'll make things worse because the evaporator will freeze up and you won't get any air flow...which leads to: when was the last time you had the evaporator cleaned? last time filter was changed?
if the upstairs and downstairs are both on the same unit, that's the bulk of the problem. downstairs gets cooler sooner (cold air falls, displacing the warmer air to the upstairs, etc) which causes the thermostat to turn off the unit before the upstairs is cool.
the most effective solution would be to install a mini split that's dedicated to your bedroom and keep the door closed unless someone is going through it...otherwise, all the cold air will just fall out.
100 watt wrote:I spent a little over $8K on a whole new system (unit, duct work..EVERYTHING) last year. I better not have any probs outta mine for a WHILE.
That's pretty good dude! We shelled out over $15k a couple years ago for a complete overhaul and I'm right there with ya.
Houses built in the 1940s are notoriously inefficient. I live in one and my neighborhood is full of them. Sometimes you just have to put a window unit upstairs even if you have a new and/or well maintained central air unit.
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