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  1. I was told there is a 75% efficiency water...

    I was told there is a 75% efficiency water heater?
    Which brand?
  2. Replies
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    I mean, at what point does the extra insulation...

    I mean, at what point does the extra insulation start having bad side effects
    such as collapsing ceiling , etc, R-80??

    How high have people gone, R-80, R-100 ??
  3. Replies
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    8,425

    How much attic insulation ?

    My attic had R-19, I made it R-40

    Is this enough or should I go to R-60

    I live in NJ
  4. Replies
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    1,257

    Thermal vent for crawlspace??

    I have a sealed crawlspace now
    and a contractor said that I need to put in a thermal vent in my crawlspace
    Apparently the thermal vent opens at 70F and closes at 40F

    I have a santa fe...
  5. Replies
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    882

    The Maryland outfit is 150 miles away I doubt...

    The Maryland outfit is 150 miles away
    I doubt they would travel so far for a single home
  6. Replies
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    882

    I went to aeroseal.com and located the vendor ...

    I went to aeroseal.com
    and located the vendor

    Aeroseal of eastern pennsylvania

    and called the number

    and they said we no longer do aeroseal

    --
  7. Replies
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    882

    08055

    08055
  8. Replies
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    882

    Is Aeroseal still in business

    I live in south jersey and I am trying to find an aeroseal vendor

    The vendors listed in the website no longer do aeroseal
  9. Replies
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    7,353

    What exactly is different ( internally ) between...

    What exactly is different ( internally ) between the santa fe advance and santa fe compact ?
  10. Replies
    27
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    7,353

    Sylvania vs IAQ source Both stock santa fe ...

    Sylvania vs IAQ source

    Both stock santa fe

    Who gives better service ?
  11. Replies
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    7,353

    The santa fe compact comes with a merv 11 filter...

    The santa fe compact comes with a merv 11 filter
    How often must this be changed ?

    What is wrong with trying to shoot for 35% RH and letting the unit run forever ?
    Afterall refrigerators run...
  12. Replies
    27
    Views
    7,353

    My comfortaire died after 2 years I am now...

    My comfortaire died after 2 years

    I am now going to Santa Fe Compact
    because it has a 5 year warranty

    I have a question
    In the month since my comfortaire died

    my crawlspace, ( 40 ft x 25...
  13. Replies
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    522

    Micro-CHP anyone?

    Anyone installed the Micro-CHP combos that do heating , hotwater and electricity generation?

    Any problems in integrating with pre-existing furnace?
  14. Replies
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    1,224

    Is this alternate setting OK 9AM to 4PM = 80F...

    Is this alternate setting OK

    9AM to 4PM = 80F
    4PM to 9AM = 70F
  15. Replies
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    1,224

    With energy costs continuing to rise (and they...

    With energy costs continuing to rise (and they will keep going up), variable capacity a/c for residential will only make increasing sense and become more economically viable.
    --

    Are you referring...
  16. Replies
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    1,224

    Dan wrote -- 30 - 50% savings. House may reach...

    Dan wrote
    --
    30 - 50% savings. House may reach 65'F at 5 AM.
    --

    The key aspect is that the AC is working at night, when the lower ambient makes it more efficient

    It does not matter whether...
  17. Replies
    14
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    1,224

    Programmable Thermostat and Summer

    I have a Honeywell IAQ9000 thermostat
    I live in NJ
    I am considering the following summer cooling schedule

    9PM - 6AM = 65 F
    ( meaning the AC will be cooling, when the outside temp is low )
    ( I...
  18. Replies
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    5,048

    Bald loonie wrote All that A/C cares about is...

    Bald loonie wrote
    All that A/C cares about is 1200 CFM blowing over the coil. It doesn't matter if a 100 year old blower is doing it or a new Rheem is doing it, just so it is getting the right...
  19. Replies
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    5,048

    The AC is working fine I live in NJ A new AC...

    The AC is working fine
    I live in NJ
    A new AC cost $$$$

    What can I do to extend the life of my AC
    Starter Kit ?
    TXV switch ?
    High and Low Pressure Switches ??
  20. Replies
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    5,048

    So, If I leave the furnace coil alone for now...

    So, If I leave the furnace coil alone for now
    What can I do to extend the life of my 3 ton R-22 AC

    Should I add a TXV switch, starter kit and high and low pressure switches??
  21. Replies
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    5,048

    Changing Furnace coil when replacing furnace

    My furnace died and I am replacing it with an Armstrong 95V,
    variable speed blower furnace

    It is a downdraft furnace

    I was told that this may be a good time to replace the furnace coil

    My...
  22. Replies
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    878

    I plan to upgrade soon to a dual fuel system,...

    I plan to upgrade soon to a dual fuel system, which is why I purchased this thermostat
    I was curios on how this thermostat would perform before I did the upgrade
  23. Replies
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    878

    You mean the AC will be run until the house is...

    You mean the AC will be run until the house is much cooler than the set point so that the humidity is reduced to the target level?
  24. Replies
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    878

    I have a single stage furnace and a single stage...

    I have a single stage furnace and a single stage AC
    I also just installed a Honeywell 9000 VisionPro
    which can also control humidity

    During summer, how exactly will this control the AC / Blower...
  25. OK, so 6 KWH / day to maintain 35% humidity How...

    OK, so 6 KWH / day to maintain 35% humidity
    How much for 40%, 45%
  26. I have a skuttle F60-2 steam humidifier I live...

    I have a skuttle F60-2 steam humidifier
    I live in NJ
    What is the expected monthly KWH to keep RH at 40% ,45% and 50%
  27. Replies
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    687

    So will the Vision Pro 9000 IAQ handle my single...

    So will the Vision Pro 9000 IAQ
    handle my single stage heat furnace and single stage ac now
    and be able to handle my dual fuel 2 stage furnace and 2 stage heat pump in the future
  28. Replies
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    687

    Correction

    It is T8600
  29. Replies
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    687

    I live in NJ I currently have a single stage...

    I live in NJ
    I currently have a single stage furnace and single stage AC.

    In a few years time when I need to replace the furnace/ AC
    I will switch to a dual fuel , 2 stage heatpump / 2 stage...
  30. Replies
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    823

    I live in south Jersey, and I think it would get...

    I live in south Jersey, and I think it would get to 25F on the coldest day

    Normally I set my house to 68F in winter

    I had added some insulation and done mastic coating on the ducts and I was...
  31. Replies
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    823

    Yesterday night the outside temperature was 38F...

    Yesterday night the outside temperature was 38F
    and I turned on the furnace
    The inside temperature went from 68F to 80F in 2 hours

    Does the rate of temperature rise indicate a Furnace that has...
  32. Replies
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    2,929

    Return duct The HRV is installed high and has...

    Return duct

    The HRV is installed high and has a power cord going into a socket

    There is no local on-off switch
    The only way of turning off the HRV is to pull the cord and I dont want to do it...
  33. Replies
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    2,929

    That is true Is there any damage if the main...

    That is true
    Is there any damage if the main furnace blower is off and the HRV fan is on ?
  34. Replies
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    2,929

    I have a lifebreath HRV 155max The manual says...

    I have a lifebreath HRV 155max
    The manual says that whenever the HRV fans are on, the main furnace blower must also be on.
    Why is this necessary ?
  35. Replies
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    468

    Any FREUS dealers in New Jersey?

    Any FREUS dealers in New Jersey?
  36. Replies
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    Views
    1,463

    What voltage is the silicon nitride ignitor for...

    What voltage is the silicon nitride ignitor for Amana
    What is the difference if any between Armstrong and Amana

    What is the temperature rise between air entering and leaving the furnace,
    50F ?,...
  37. Replies
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    1,463

    Does Amana have pure stainless steel for both...

    Does Amana have pure stainless steel for both primary and secondary heat exchangers ?
    Does Amana have silicon nitride ignitors
  38. Replies
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    1,464

    I need to get a fair understanding of duct sizing...

    I need to get a fair understanding of duct sizing before I call a pro
    From this board, I do know that in many cases, some pros are not really pros

    I live in NJ
    100K BTU furnace
    3 Ton AC
    1.5...
  39. Replies
    22
    Views
    1,464

    In case, I need a bigger furnace / heatpump / ac,...

    In case, I need a bigger furnace / heatpump / ac,

    given my duct size of 12" x 18", how high can I go in Furnace ( without redoing my ductwork ), 120K BTU??

    given my duct size of 12" x 18", how...
  40. Replies
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    Views
    1,464

    I have a 3 ton AC and a 100K furnace My main...

    I have a 3 ton AC and a 100K furnace
    My main duct is 12 inches x 18 inches
    I live in NJ

    Are my ducts over-sized, under-sized or correctly sized
  41. Replies
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    24,832

    Lomit is a reputable brand, they sell to large...

    Lomit is a reputable brand, they sell to large telescopes to keep them from warping
    Lomit costs $300 for a 5 gallon drum of radiant barrier paint

    Sherwin Williams sells similar stuff for about...
  42. Replies
    2
    Views
    716

    Nansulate.com sells a clearcoat paint that claims...

    Nansulate.com sells a clearcoat paint that claims to block heat, including conductive, convective and radiant heat

    I applied 1 coat of the clearcoat paint, $60 a gallon,
    to the underside of my...
  43. Replies
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    30,609

    I am getting my crawlspace fixed and many of the...

    I am getting my crawlspace fixed and many of the basement companies recommend the SaniDry dehumidifiers
  44. Replies
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    Views
    1,095

    I am getting a HRV installed and my installer is...

    I am getting a HRV installed and my installer is quoting me $100 less for using flex ducts instead of solid ducts
    Are there any drawbacks in using flex ducts
  45. Replies
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    Views
    5,362

    I found out from Sherwin Williams that the Low E...

    I found out from Sherwin Williams that the Low E Attic paint they sell is made by Chemrex ( BASF )
    I also found that Chemrex no longer makes the Low E wall and ceiling paint

    Today in NJ, at 2PM,...
  46. Replies
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    Views
    5,362

    Anyone used Hytech paints ?

    Anyone used Hytech paints ?
  47. Replies
    19
    Views
    5,362

    Anybody used Nansulate ?

    Anybody used Nansulate ?
  48. Replies
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    470

    Oops wrong thread, Moderator please move this...

    Oops wrong thread,
    Moderator please move this thread to

    my thread on Sherwin Williams E-barrier paint
  49. Replies
    1
    Views
    470

    When you google on Hytech, you find 3...

    When you google on Hytech, you find 3 manufacturers of similar stuff all making claims against each other
    You will find Hytech, Insuladd, etc all making similar claims and dissing the other vendors,...
  50. Replies
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    5,362

    I got a 5 gallon drum of Low E barrier paint from...

    I got a 5 gallon drum of Low E barrier paint from Sherwin Williams and I am painting the underside of my attic roof

    I am about halfway done

    Already I am noticing a 10 to 15 deg F drop in...
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