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  1. Replies
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    Had a 4 ton installed today. Man, quietest...

    Had a 4 ton installed today. Man, quietest condenser I've ever not heard! The installer looked at my manual J, ceiling and ducts, decided 3 ton was marginal. Happy I went with the 4.

    Cool...
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    791

    I tweaked the Manual J to be a bit more accurate....

    I tweaked the Manual J to be a bit more accurate. Single level with high ceilings and very long duct runs. 24 x 24 return 10' from unit, 12 x 24 return 50' from unit. With all the gadgets...
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    791

    The existing unit is 4T/5Tcondensor, so I'm sure...

    The existing unit is 4T/5Tcondensor, so I'm sure ducts are sized for that.
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    791

    I'm a homeowner, not real HVAC savey. Design...

    I'm a homeowner, not real HVAC savey.
    Design indoor temp - Cooling: 75F
    Design outdoor temp - Cooling: 96 F
    Design indoor Humidity : 50%
    Design Grains/lb difference: 29
    Design indoor temp...
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    Carrier Infinity - manual J

    Having an Infinity Greenspeed Heat Pump (dual fuel) put in soon. Replacing an 8 year old Carrier single speed A/C with Propane Heat (wanting to get rid of high winter propane use). I should see...
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    Right on... I could install a window unit to...

    Right on... I could install a window unit to cool that one 15' x 20' room for the cost of a blower replacement! All those hidden things in buying a used house. Speaking of which, a bit off topic,...
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    Thank you. Sorry about the price, I...

    Thank you. Sorry about the price, I intentionally did not get specific, just "over" and also low balled it. Will not mention it again other than "ouch"... Can a "high efficiency" motor be replaced...
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    Blower Motor expense

    Are replacement blower motors really "that" expensive? Small closet unit that seldom runs, 7 years old. Carrier fx4cnf018. Over $xxx plus labor, really? Just want to be sure I'm not getting...
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    Selecting a contractor

    I'm looking for a contractor to get pricing on a Geothermal Heat Pump system in Austin, TX. I've read where Waterfurnace and Geocomfort are two of the best. However searching their website for a...
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    13,065

    I see a lot of "northerners" here using Geo...

    I see a lot of "northerners" here using Geo mainly for heating. How about Austin, TX? I have a 2500' house with 4 Ton A/C and Propane heat. House is only 6 years old, but cost of filling that...
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    "NO"... meaning it would be much less...

    "NO"... meaning it would be much less restrictive... think I decided to just buy 12" x 30" x 4" filters. I can pound out the lip that holds the 1" filter, so a 4" filter can "slide by". Then just...
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    Air filter question

    I moved into a new house that has 2 room returns (with 1" filters), one 12" x 30" and one 20" x 30". After trying to find actual dimensions on the 4" Honeywell 1" replacements mentioned in this...
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    Had a gauge at my old house, need to go out and...

    Had a gauge at my old house, need to go out and get another. What's a good limit (for filter change) for a 4 Ton Carrier AH? Maybe 1.0"?
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    I saw that info Rhino.... not sure about that...

    I saw that info Rhino.... not sure about that "assembled height and depth", doesn't seem to jive, pretty sure it's 25" x 20" (or slightly less), that's easy to measure. None of the other numbers...
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    Air Filter question(s)

    It's been a while... I still see many familiar names. I've been using Honeywell 4x20x25 Merv 10 filters (FC100A1037) for a while and started searching for a new source. I noticed Home Depot carries...
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    1,266

    I plan on calling a tech if it trips again. On...

    I plan on calling a tech if it trips again. On the outdoor panel I have a "AC" breaker, a 30A and 60A both labeled "Furnace". The "60A "Furnace" is what tripped. My "guess" is it got cold real...
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    Outdoor in main breaker box. My Thermostat was...

    Outdoor in main breaker box. My Thermostat was "blank", so pretty much cut power to anything AC related.
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    Tripped breaker

    I have a Carrier Heat pump, about 2 years old (new home). Yesterday the main breaker tripped. After wondering why the house was 20 degrees below set point I discovered that problem, I reset it and...
  19. rh below 40%! Isn't that a good thing? ...

    rh below 40%! Isn't that a good thing? Interesting way to "contrrol" humidity. I've heard the 1"ers clog in less than month (or week, or day)... hopefully at 4" they are more like the...
  20. 3M any good?

    I bought a new house that had 1" return filters... I had a Honeywell 4-3/8" filter (merv 10 I believe) installed at the AC unit in the attic, and removed the 1" filters. Doesn't seem to be half the...
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    Here's a shot of the return grills:...

    Here's a shot of the return grills:
    http://www.pbase.com/photoman/image/68147154

    I constructed the return plenum before I had the new AC unit installed. It is green sheetrock, caulked at all...
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    Very "cool" photo. The return has 12" from 2nd...

    Very "cool" photo. The return has 12" from 2nd floor AND 8" x 24" time 2 from 1st floor (on 2 sides of the 14" x 36" x 40" plenum). Air flow is under 650 cfm 90% of the time, so there's plenty of...
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    I think I'll evelate myself to 'supreme...

    I think I'll evelate myself to 'supreme hypochondriac' after reading that article....

    The AH is sitting on a "standard" 20x25" Carrier EZ-Flex filter - normally Merv-10, I have a Honeywell Merv-13...
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    OK, here's my current set-up: ...

    OK, here's my current set-up:

    http://www.pbase.com/photoman/image/68030336

    The SanteFe use to rest on that shelf (I didn't have the aircleaner in that area at the time). The 8" and 6" went...
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    I'll take some pictures tonight of the Soleus...

    I'll take some pictures tonight of the Soleus arrangement. It is where I use to have the SanteFe. On a shelf (about 3' high) in a laundry area (so it could drain to the washer drain). I do not...
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