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  1. Replies
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    Look at radiant heat barriers. I put this in my...

    Look at radiant heat barriers. I put this in my attic and it really works great with ridge vents. I stapled it to the bottom of my rafters. You will want to work on it when it's cooler like in the...
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    Good point. So at what point would it make...

    Good point.

    So at what point would it make since to replace the equipment with more efficent? I guess it would depend on what the most exspensive thing is to replace in the unit.
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    Unit life span?

    What is the typical life span of an HVAC unit in your agerage house today?

    10 years?
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    I was talking to one of the contractors here that...

    I was talking to one of the contractors here that does the spray foam insulation about doing my crawl. He said for the same money he would not do the crawl but do the roof instead. He said I would...
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    ROI on Conditioned Crawlspace

    I'm looking at the cost to change my crawl to a conditioned space. This is a 5,000 sq/ft 1 1/2 story house in west Tn. I haven't measured the first floor space yet but I would guess it at 2500 sq/ft....
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    I have a fairly new home with 4 units. The two...

    I have a fairly new home with 4 units. The two units on the first floor don't get as dirty as the ones on the second floor because I have hardwood down stairs and carpet up stairs. The carpet makes a...
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    and there you go......this is a perfect example

    and there you go......this is a perfect example
  8. Replies
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    I had a house with a "conditioned" garage and all...

    I had a house with a "conditioned" garage and all the walls at doors were insulated. The garage in the winter stayed about 50-55 and the summer I would say about normal with less humidity. I would...
  9. I have checked the flapper and it looks to be...

    I have checked the flapper and it looks to be working right. The length of the hose is not very long. Do you think adding more length to the hose help any?
  10. Cold air coming in bathroom vents.......

    With these really cold conditions these past few days I have noticed I have cold air coming into my house through the vents in the bathrooms. This is a house only 4-5 years old and the only thing...
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    :rolleyes::rolleyes::rolleyes: I would call...

    :rolleyes::rolleyes::rolleyes:

    I would call someone :D
  12. Do a rearch for "Radiant Heat Barrier" This is...

    Do a rearch for "Radiant Heat Barrier"

    This is a DIY project that works for a solution to high heat in the attic durring summer. This system works best with ridge vents, not power attic fans.
  13. I understand but at what point would it be at...

    I understand but at what point would it be at 50%. Can you give an example?
  14. I did a search on this subject here on this forum...

    I did a search on this subject here on this forum and the results were great! This could help so many people!

    Thanks guys
  15. Has there been a study to back up this? is this...

    Has there been a study to back up this? is this fact or theory?

    It does make more since to use less cycles especially with an over sized unit. I have changed mine from 4 to 3 per hour and I'm...
  16. so if the setting were changed to 3 then it could...

    so if the setting were changed to 3 then it could only call for heat 3 times an hour (every 20 min) even if the thermostat called for it more?

    If I understand this right then I could change this...
  17. Thermostat Programable Cycle Lengths Settings

    I bought some new Honeywell digital thermostats and in the instructions it says to set up the cycle lengths to fit the type equipment I have. I have Trane forced air gas heat/AC units. The...
  18. Replies
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    I have timed all 3 of my units and all three take...

    I have timed all 3 of my units and all three take 5 to 6 min to bring the zone from 1 degree below set temp to one degree above set temp. This is in heat mode and I have timed it with the outside...
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    looks like you have noticed the samething I have....

    looks like you have noticed the samething I have.
    This is the reason I started this thread http://hvac-talk.com/vbb/showthread.php?t=187321

    I hope some smart pros here have a solution
  20. what about building a box out of foam board...

    what about building a box out of foam board insulation to place over this duct?
  21. Return Duct in Ceilings... Bad Planning?

    I have a 3 ton unit in my attic and a single return that is in the ceiling in the hall. The contractor that built this house used large flex duct with what looks like maybe R6 insulation on it. With...
  22. Replies
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    all I have to add here is if you install this...

    all I have to add here is if you install this stuff then on a hot day go up in the attic then you WILL see what everyone is talking about. For the money, this is a good DIY project with a good return...
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    I wanted to post what I have found after...

    I wanted to post what I have found after installing RB in my attic. I stapled this to the bottom of my rafters and took out my power attic fans and installed ridge vents. I'm in Tennessee and we have...
  24. Replies
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    looks like someone will be greasing the meter :D...

    looks like someone will be greasing the meter :D

    I wonder how loud they are. I bet you can heard them from the street! :p
  25. Replies
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    do a search on "radiant barrier" it works...

    do a search on "radiant barrier"

    it works great with a ridge vent!

    I'm installing mine now and it works! I can tell a difference as soon as I get an area done.

    this is where I bought mine...
  26. Replies
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    not using common since is dangerous :eek:

    not using common since is dangerous :eek:
  27. Replies
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    I can't believe that I just read this thread on...

    I can't believe that I just read this thread on this forum and it's not locked.


    :rolleyes::rolleyes::rolleyes:
  28. Replies
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    Cheers! :D

    Cheers! :D
  29. Replies
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    does anyone have an answer to my question I...

    does anyone have an answer to my question I asked? see #7
  30. Replies
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    ridge vent is a passive system, that's why it...

    ridge vent is a passive system, that's why it works the best.
  31. Replies
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    ok, I have a question on something I noticed....

    ok, I have a question on something I noticed. First my house is 1 1/2 story with two 3 ton packs on the first and a 3 ton in the attic. In the past I have noticed in the summer heat that if the vents...
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    No Venting a Crawl Space???

    I have been reading up on this new idea. I have a house in the south (Tennessee) and been wondering if anyone else here has an opinion on this.

    The biggest problem most Crawls have is moisture...
  33. Replies
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    maybe a gable mounted PAV works better because it...

    maybe a gable mounted PAV works better because it pulls across instead of up?
  34. Replies
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    Does anyone know if the IRS is extending the tax...

    Does anyone know if the IRS is extending the tax break in '08 for installing RB and other energy efficiency things in a house? I know they talked about it butI haven't heard anything.
    ...
  35. Replies
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    Theory??? I guess people choose to believe...

    Theory???

    I guess people choose to believe what they want. If you go up in your attic and it feels cooler and you believe your PAV is saving you money then I guess you can be happy.

    I started...
  36. Replies
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    I don't think it matters too much how big the...

    I don't think it matters too much how big the attic is. What happens is with just one PAV there is not enough soffit vent to feed the fan therefore it pulls conditioned air from the house.

    Has...
  37. Replies
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    could you not just sprinkle a little chlorine...

    could you not just sprinkle a little chlorine either in the line or the drain pan?
  38. Replies
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    I see your point shophound. I've already yanked...

    I see your point shophound. I've already yanked out all of my PAV's
  39. Replies
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    I had a unit in my attic where the drain pan was...

    I had a unit in my attic where the drain pan was holding water and the switch was not shutting the unit off. The pan has a seperaye drain so it wasn't over flowing but where they had it dump you...
  40. Replies
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    Most new homes have a switch in the attic that...

    Most new homes have a switch in the attic that will turn off your PAV. Thay way it's easier to change out the motors. Just turn it off and cut a piece of 1/4" plywood to cover the hole.
  41. Replies
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    You could install a avariable speed control so it...

    You could install a avariable speed control so it won't pull so much. If you do, just make sure it has enough amps to cover the motor. The ones for most ceiling fans are not enough and don't use a...
  42. Replies
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    Would it make since to cover an AC unit located...

    Would it make since to cover an AC unit located in tha attic along with the main supply with RB?

    The unit in my attic has as the main supply trunk made of the square metal with the fiberglass...
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    anyone ever purchase from any of these companies...

    anyone ever purchase from any of these companies before?

    http://www.radiantguard.com/

    http://www.atticfoil.com/
  44. Replies
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    Where is the best place to purchase RB to staple...

    Where is the best place to purchase RB to staple under the rafters? I looked at the local big box stores and that it was a joke. There are a couple of websites and I also found some people selling on...
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    good luck with your product :cool:

    good luck with your product :cool:
  46. Replies
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    This is the first time I have heard/read anything...

    This is the first time I have heard/read anything like this. Does this mean everything I have read is wrong?
  47. Replies
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    I have a 5,000 sq/ft 1 1/2 story house with one...

    I have a 5,000 sq/ft 1 1/2 story house with one of the units in the attic. My house has power attic fans and I'm having those removed and installing a ridge vent system. I'm also planning to install...
  48. Replies
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    so the question now is how does a HO know when...

    so the question now is how does a HO know when they have a problem and how big is the problem? Is there anyway to tell just how much these power attic fans are costing us? Is it the only solution to...
  49. Replies
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    ok, so too much airflow (CFM) would pull...

    ok, so too much airflow (CFM) would pull conditioned air out of the house but what if you slowed the fan down to say half or even less speed. This would be easy to do and you could still get air flow...
  50. Replies
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    >The fan doesn't know it is only supposed to draw...

    >The fan doesn't know it is only supposed to draw air through the vents provided for it.
    If you have a fan, regardless of size, drawing air from the attic, it will create a pressure in the attic...
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