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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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    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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    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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    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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    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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    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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    It was very easy to duct some outside air to the...

    It was very easy to duct some outside air to the Soleus (via a separate HEPA filter as described above). I have had the SanteFe for 2 years, changed the 2" filter every 3-6 months with the same...
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    The problem I found with the Sante Fe running the...

    The problem I found with the Sante Fe running the fan is it cycles the compressor VERY often, not allowing anything to dry out. If there was a timer that turned the fan on 4 hours a day, the...
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    Not sure if it's the cinder block wall or the...

    Not sure if it's the cinder block wall or the SanteFe... but the SanteFe had to "catch it" from somewhere. I believe the last sample that you just commented on was from the SanteFe last time I...
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    Wonder how much moisture an 8' x 35' cinder block...

    Wonder how much moisture an 8' x 35' cinder block wall up against a large hill lets in... 2' of pea gravel drainage, but probably 75% full of soil/moisture after 25 years (and probably cracks). My...
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    Unless there are already trillions in the house. ...

    Unless there are already trillions in the house. Got to be at least half billion in the Sante Fe ;o) Want me to send it to you so you can count them?

    Yeah, I think I decided to put a duct fan...
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    That's what the dehumidifier is for! ;o) I...

    That's what the dehumidifier is for! ;o)

    I know... but with 1 AC and a 3 story house, it's much more comfortable from floor to floor with the fan going. And I'm hoping the 5" Merv 13 filter is...
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    No pets, no kids at home. I've had many theories...

    No pets, no kids at home. I've had many theories over time; might be some kind of "in"-gassing, "seepage" of some sort through the cinder block wall or slab (insecticide, bad water, bad dirt...). ...
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    Intake 30-50 CFM outside air (6" duct), 150-200...

    Intake 30-50 CFM outside air (6" duct), 150-200 cfm from second floor (8" duct), plus maybe 25 cfm from laundry room where SanteFe is located (four 2" holes above filter). Exhaust is 50% into...
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    I had a plumbing leak (like 4-5 years ago), and...

    I had a plumbing leak (like 4-5 years ago), and had the house tested, and went through remediation. New AC, new ducts, "clean" bill of health... They obviously did not get it all, but then again...
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    I assume by "this system does not create dust"...

    I assume by "this system does not create dust" you're refering to the SanteFe... It's inlet is a 6" outdoor vent (6' long duct, very clean, Hepa filter on outside vent), and a 8" metal duct from the...
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    "Properly remoted"? I guess if it was in the...

    "Properly remoted"? I guess if it was in the attic or outdoors, it would be quieter.... I have insulated ducts on both the inlet and outlet (at least 6 feet), and the unit is in a laundry room off...
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    more tests

    OK, the SanteFe has WAY more capacity... Ran a 3 hour test this morning, 76 degrees, 50% RH at start. Both units running full time, .25" fiberglass filter on each (almost no restrictions).

    Sante...
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    Yeah, not much blower capacity with the Soleus......

    Yeah, not much blower capacity with the Soleus... The 6" duct to the other room is a room with the main AC return in it. Seems to have the same airflow from that duct as the SanteFe did (but that's...
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    That could be the difference, I had the Sante Fe...

    That could be the difference, I had the Sante Fe fan "off", so it probably didn't cycle much. The Soleus fan runs all the time, so that causes the unit to cycle much more (as does the Sante Fe if...
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    follow-up

    I ran some tests (very un-scientific). Room conditions were 76 degrees 50% RH. In 12 hours the Soleus made 115 oz. water, exhaust air temp. was 100 degrees, exhaust humidity was 20%. Maintained...
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    Supply - Return

    I have to debate the filter on the return side issue. I have a 5" Merv13 on the return side + UV lights + Genesis Air Titanium panel. Yeah the air is probably pretty clean entering the coil. I...
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    Update

    Just wanted to post my opinion of the Soleus 40 pt dehumidifier. I ordered it on-line 7 weeks ago and I finally received it yesterday. Have not run it through any tests, but I am VERY pleased with...
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    Update

    Now I have been home to observe 3 days in row. All 3 days Tstat was set at 78 set drop to 76 at 3:45. I have mentioned that if the outside temp is above 100 the compressor will shut off when it...
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    Went home early today to see if I could "catch...

    Went home early today to see if I could "catch it" shutting off. No such luck. I did do some testing. At 2:30 all was functioning well, 98 degrees outside, 77 set running on low. I kicked it down...
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    What's with the 97 degree temp. "hmmmm"? What's...

    What's with the 97 degree temp. "hmmmm"? What's normal? You see my dilema, average homeowner (me), not knowing if the service guy knows what he's doing. He did first use a piece of electric tape...
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    No float switch. Seldom any water build up in...

    No float switch. Seldom any water build up in the pan. I keep the house at 50% RH with a Thermastor dehumidifier, so not too much water to "wring out".
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    Thanks! I knew the VC/VH info, I just didn't...

    Thanks! I knew the VC/VH info, I just didn't remember the letters when I posted this. Can any of those causes happen ONLY when outside temp goes over 100?

    My service man also had the VC/VH...
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    The installer, who I had look at the problem, sat...

    The installer, who I had look at the problem, sat outdoors for 30 minutes or so checking pressures and temperatures. It was about 97 degrees at the time (same temp he was reading from the liquid...
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    I would like to confirm an "opinion" from my...

    I would like to confirm an "opinion" from my Carrier service man. I'm in Austin, TX., VERY HOT lately. 9 days ago my house would start heating up above set-point (76) after outdoor temp went above...
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    Should have similar specs., looks like it's made...

    Should have similar specs., looks like it's made by Thermastor... this picture looks just like my SanteFe:
    http://www.superiorbasementsystems.com/nss-folder/folder/SaniDry1sm.jpg
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