Search Results - HVAC-Talk: Heating, Air & Refrigeration Discussion

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  1. Replies
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    All it needs is some R-40 insulation under the...

    All it needs is some R-40 insulation under the roof and some doors on the sides.
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    2,525

    My step son's garage apartment is all of 300 sq...

    My step son's garage apartment is all of 300 sq ft. Had a natural gas stove that needed replacing. The new one has an on demand pilot light rather than a continuous one like the old one. (I bought a...
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    2,136

    I suppose if you put a filter in the grille,...

    I suppose if you put a filter in the grille, you'd never have to worry about cleaning the fan blades.
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    4,058

    Same in Houston. We just had a new compressor put...

    Same in Houston. We just had a new compressor put in our apartment last week. The last time the compressor died and was replaced was in October 2007. Less than 3 years.

    Maintenance around here...
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    946

    I definitely agree on sealed crawl spaces. Same...

    I definitely agree on sealed crawl spaces. Same with plastic on the Earth. And sealed plastic at that. Even a small opening where the plastic is attached to the wall makes things worse.

    Back in my...
  6. I'm also from the camp of open fireplaces don't...

    I'm also from the camp of open fireplaces don't do much for heat, air quality, or efficiency. Wood stove inserts are OK, but I don't like the idea of the radiant side/rear heat from them going up a...
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    946

    Teddy Bear, can central dehumidifiers be set up...

    Teddy Bear, can central dehumidifiers be set up with a 30 or 60 second fan off delay after desired humidity has been reached?
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    946

    Ideally, you need to dehumidify the crawlspace....

    Ideally, you need to dehumidify the crawlspace. Whether through A/C and/or a central dehumidifier. In the heating season, about 30% of the air in a home comes through the crawlspace. Bathroom fans...
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    I'd say it's small enough to simply epoxy over it.

    I'd say it's small enough to simply epoxy over it.
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    I blew a tire at 4AM in the morning about 50...

    I blew a tire at 4AM in the morning about 50 miles north-west from Spokane (aka in the middle of nowhere). I decided to wait until morning to get some daylight.

    Open up the trunk and sure enough...
  11. I've tried the radiant oil heaters. I don't like...

    I've tried the radiant oil heaters. I don't like them. They're too slow and don't seem to do much in regards to heating the room. About the only good thing is they're quiet.

    Typical 1500 watt...
  12. Replies
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    6,967

    I live in a 40 year old apartment. So no fresh...

    I live in a 40 year old apartment. So no fresh air duct for me. I wouldn't be surprised at all if there is a leak in the ductwork somewhere. No attic. Package unit up on the roof. But ducts do run...
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    6,967

    I get the reverse problem. When my air filter...

    I get the reverse problem. When my air filter plugs up, supply temperatures increase. A/C that is blowing 58 out the ducts will drop to about 53 when I take the filter out. Humidity level goes...
  14. I agree with Teddy Bear on the above comments....

    I agree with Teddy Bear on the above comments. The Humidex worked great summer and winter in the Pacific Northwest. I wouldn't do that down here in south Texas though.
  15. I'm a big fan of sealed and conditioned crawl...

    I'm a big fan of sealed and conditioned crawl spaces. I did the poly on the ground, styrofoam insulation on crawl walls, sealed the vents, and put a Humidex in. This was when I lived up north. Crawl...
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    6,967

    What temperature awere you keeping the room at...

    What temperature awere you keeping the room at during these cold nights?
  17. Not necessarily. My bill last month (1300 sq ft...

    Not necessarily. My bill last month (1300 sq ft apartment) was $356. Friend of mine with a 3900 sq ft house had a $400 bill.

    The other apartments here both upstairs and downstairs had similar...
  18. Yeah, it makes quite the sight when you come back...

    Yeah, it makes quite the sight when you come back to the car at a grocery store or restaurant after it's sat there dripping for awhile. I remember going to a sushi restaurant one time that had a...
  19. I checked out some info about the Smart...

    I checked out some info about the Smart VOV.....said R-12 or R-134a only. Shoot. Oh well. Besides, the guy that invented the Smart VOV said that the best benefit of it comes from hot dry climates...
  20. Hmmm, I never really considered testing in NORM...

    Hmmm, I never really considered testing in NORM (fresh) instead of MAX (recirc). Houston weather is muggy so often that nobody ever uses NORM mode when the A/C is on. (Well except maybe Teddy Bear...
  21. Q: By definition relative humidity should not be...

    Q: By definition relative humidity should not be over 100%. However it is often the case that models give values higher than 100%. Could you comment on this?

    A: The definition of relative humidity...
  22. I wonder if HC (hydrocarbon) refrigerants will be...

    I wonder if HC (hydrocarbon) refrigerants will be brought under EPA rules like R-12 substitutes currently are. Right now it's illegal to switch an R-12 car to HC's but it's legal to switch an R-134a...
  23. Speaking of freezing coils....How do you deep...

    Speaking of freezing coils....How do you deep freezers and industrial walk in freezers work? I used to be a baker. And our walk in freezer would stay at -30C throughout my entire shift. About an...
  24. I can so cheat psychometrics! :p I'm running...

    I can so cheat psychometrics! :p

    I'm running an in car dew point around 35-36 when it's blowing 31 out the ducts. (MAX A/C, cold slider all the way to cold, 2nd fan speed, windows closed)

    I...
  25. I need some advice on parallel flow...

    I need some advice on parallel flow condensers....That being I'm not sure if it would benefit the system if the the radiator is hot anyways. On the highway, I can see that it would work great. But in...
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