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  1. Replies
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    While you were selecting your equipment, did the...

    While you were selecting your equipment, did the installer suggest an inline water filter for your humidifier?

    After the install of your new system was complete, did the installer perform any...
  2. Replies
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    2,605

    I have hard water as well with a softener. What a...

    I have hard water as well with a softener. What a pain....

    Keep a look out for mineral build up with that filter. Let us know how it performs over time. Most refigerator filters only deal with...
  3. Replies
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    2,369

    I agree with your comments regarding Home...

    I agree with your comments regarding Home Weatherization and believe there is value in this service. I also believe there is already a lot of industry and HO awareness as well as government support...
  4. Replies
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    2,369

    Udarrell, please expand your statement of...

    Udarrell, please expand your statement of retrofitting residential and commercial HVAC systems to reduce costly energy usage and provide some examples.

    I've been curious about this for some time. ...
  5. Replies
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    google 6" pleated media filter and furnace and...

    google 6" pleated media filter and furnace and you will see what i mean. It should come with its own housing. This should help reduce static pressures.
  6. Replies
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    Looks like nice work, glad to see this is working...

    Looks like nice work, glad to see this is working out for you.

    However, I'm curious why they kept the return reduced so much. Especially since your symptoms appear to be return air related.
    ...
  7. Replies
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    3,701

    I think installing a filter could result in...

    I think installing a filter could result in static pressure which will damage your system. If you search static pressure on this site, you will get detailed info.

    The only time I've ever heard of...
  8. Replies
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    3,701

    I assume this is a supply register, which means...

    I assume this is a supply register, which means the wall cavity should have rigid tin duct in it. Take off the register to confirm this, insert a flashlight aiming up, go into the attic and see if...
  9. Replies
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    The only other thing I can think of is to check...

    The only other thing I can think of is to check to confirm that the supply register boots are properly sealed to the ceiling.
  10. Replies
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    Check for a fresh air intake (outside air) with a...

    Check for a fresh air intake (outside air) with a damper stuck open.

    Also look for some gaps or disconnects in the attic supply and return ducts.

    Just out of curiosity, Is your duct flex or...
  11. Replies
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    1,238

    Unfortunately, I think your objective needs to be...

    Unfortunately, I think your objective needs to be to help your landlord conclude that replacing the 30+ year old furnace is in his best interest, not yours.

    Hopefully, your utility will help to...
  12. Replies
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    I think you missed the point.

    I think you missed the point.
  13. Replies
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    Listed is an interesting article on the topic: ...

    Listed is an interesting article on the topic:

    http://www.achrnews.com/Articles/Article_Rotation/BNP_GUID_9-5-2006_A_10000000000000506775

    It's a shame your landlord wonít just do the right...
  14. Replies
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    1,238

    Go with the 80% dual speed (or single speed (even...

    Go with the 80% dual speed (or single speed (even cheaper)).

    Based on the size and description of your place, I doubt a 90+ AFUE dual speed will reduce your energy bills enough to cover your half...
  15. Replies
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    3,940

    Perhaps he was simply giving you a hard time. ...

    Perhaps he was simply giving you a hard time.

    That scenario is what a barometric bypass damper is for.

    I believe Arzel even offers an Automatic Bypass Damper Control System that monitors...
  16. Replies
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    2,162

    You state that the ductwork and registers have...

    You state that the ductwork and registers have already been installed. You may want to confirm that these are properly sized for the 90K-BTU furnace / 4Ton AC and the 70K-BTU furnace / 3Ton AC.
    ...
  17. Thanks Bear, at some point I would definatley...

    Thanks Bear, at some point I would definatley like to have a contractor install a fresh air ventilator along with perhaps a 5" media filter for the return air. The ventilating dehumidifier sounds...
  18. Thanks Kevin, Are you suggesting that since...

    Thanks Kevin,

    Are you suggesting that since the Fantech filter I have installed is a bypass filter that I dont need to install the 1" furnace filter at all? Is the Fantech really that effective...
  19. Is the Fantech Whole House HEPA Filtration System very effective?

    I had a Fantech Whole House HEPA Filtration System (DM3000P) installed a few years ago. It's the kind of filter that attaches to the outside of the duct work and pulls the air through the filter...
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    Look for a poster within this site name...

    Look for a poster within this site name "beenthere" and privatley ask him to hop in his horse drawn buggy and provide you with what you need. He's a Moderator on this site and from Lancaster. I...
  21. Replies
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    I had initially thought the same thing. I also...

    I had initially thought the same thing. I also thought that the OP could completely eliminate the zone panel by hiring an HVAC Pro to wire a thermostat directly to a normally open a damper to shut...
  22. Replies
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    Fuji, I think the Evergreen IM may be the...

    Fuji,

    I think the Evergreen IM may be the aftermarket solution that you are looking for.

    http://www.thedealertoolbox.com/products-retrofit.php
  23. Replies
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    5,832

    An undersized system will be good if you are...

    An undersized system will be good if you are going to zone it. This is because you will rarely be trying to condition both Zones to the same set point simultaneously. A smaller system uses less...
  24. Replies
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  25. Replies
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    The concept of high and low returns isnít a new...

    The concept of high and low returns isnít a new theory and has been discussed many times on HVAC-Talk.

    I believe what Pros meant by band-aid fix is that they are assuming that the upstairs and...
  26. Replies
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    5,832

    It may be helpful to search the hvac-talk threads...

    It may be helpful to search the hvac-talk threads to understand how zoning systems work.

    The problem the original poster described (two floors and one HVAC system uncomfortable upstairs) is not...
  27. Replies
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    5,832

    Get a few more quotes to have your existing...

    Get a few more quotes to have your existing system zoned.

    There are several different zoning products out there. Though I donít know your financial situation, a two zone panel, two dampers, two...
  28. Replies
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    5,832

    You didnt say if the quote for a second zone was...

    You didnt say if the quote for a second zone was for a completley seperate system or if it was to have a zoning system installed for your existing system.

    If the quote was a for a completley...
  29. Wow, 5 Tons and that doesnt include the system...

    Wow, 5 Tons and that doesnt include the system you have for the rest of the downstairs. What size is that?

    I would think that in theory a total of 5 Tons would be enough for the entire 4000 sf...
  30. Replies
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    Firstly, congratulations for quickly identifying...

    Firstly, congratulations for quickly identifying what the previous 3 to 4 techs over the years apparently werenít able to identify.

    Not sure what the concern is all about when it comes to...
  31. Replies
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    2,606

    If your system is still covered under the...

    If your system is still covered under the builderís warranty, you may want to pay an independent HVAC pro come out to inspect it and provide a written assessment. A static pressure test performed by...
  32. Replies
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    As you stated in your one of your original posts,...

    As you stated in your one of your original posts, you had two independent HVAC contractors diagnose the problem and recommend zoning the system. Since many HVAC contractors prefer to avoid zoning...
  33. Replies
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    8,223

    I think your getting good advice from the...

    I think your getting good advice from the independent contractors you involved and the people on this forum.

    A zone controller and automated dampers with seperate thermostats for downstairs and...
  34. Replies
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    842

    I believe the rules prevent disclosing the...

    I believe the rules prevent disclosing the details of the reasons. But it's along the lines of oil, refrigerant and premature compressor failure. Your contractor can explain why you should wait...
  35. Replies
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    If the Circuit breaker to the outdoor compressor...

    If the Circuit breaker to the outdoor compressor was turned off (to conserve energy over the winter). Then I believe you are supposed to wait at least 24 hours after turning the breaker back on...
  36. Replies
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    And after you tighten up your house to avoid a...

    And after you tighten up your house to avoid a humidifier, you will want to add a Heat or Energy Recovery Ventilator to provide good indoor air quality in your tight house.

    However, this device...
  37. Replies
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    hvacqa; it's best to avoid installing anything in...

    hvacqa; it's best to avoid installing anything in an unconditioned attic that has a water or condensate line if it needs to be operated in the winter. This is because they can freeze. A HRV has a...
  38. Replies
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    I've been skeptical of consumer reports for quite...

    I've been skeptical of consumer reports for quite some time.

    It's clear to me and I think many others from this message board that HVAC brand in itself is less important than a quality install. ...
  39. Replies
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    585

    I dont know anything about Amana, it could be a...

    I dont know anything about Amana, it could be a great product. But I get very skeptical when I hear terms like Lifetime Limmited Warranty. Is it your lifetime? If so, hopefully your not old. Is it...
  40. Replies
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    tony-hvac: I just noticed your other...

    tony-hvac:

    I just noticed your other questions.

    Yes, a zoning panel should work with a variable speed ECM motors for continuous air circulation (but double check with your conractor).
    ...
  41. Replies
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    2,494

    Not sure how you can install a new HVAC system if...

    Not sure how you can install a new HVAC system if the duct is too small without either replacing the duct or installing a smaller HVAC system. If I read your thread correctly, it sounds like this is...
  42. Replies
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    2,494

    Did you place an order and schedule your install...

    Did you place an order and schedule your install yet?

    If not, see if you can get a quote for an automated zoning system and zone youíre upstairs and downstairs separately.

    It should consist...
  43. Did the canvas connector help to reduce the...

    Did the canvas connector help to reduce the noise?

    Not sure if you are still looking to replace that noisy PSC motor in your Tempstar, but if you are, you may want to talk to your contractor about...
  44. Replies
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    1,128

    Plan around a bad Flex Install

    Let's assume you will go flex because fixing metal duct leaks is cost prohibitive.

    Let's also assume based on all of these posts that the flex will not be installed pefectly in your area.

    I...
  45. Replies
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    I think you answered your own question. When the...

    I think you answered your own question. When the furnace isnt runing, no heat is being added to the room and the room looses heat. Adding another register wont help if the furnace isnt running. ...
  46. Replies
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    How about in-floor radiant heat. There are many...

    How about in-floor radiant heat. There are many retro-fit products these days that work with several types of flooring (including, wood and carpet). It will also add value to your home and the kids...
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    Check this out: ...

    Check this out:

    http://www.ornl.gov/sci/roofs+walls/AWT/InteractiveCalculators/NS/Calc.htm
  48. Replies
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    Correction: The end user is now telling me all...

    Correction:

    The end user is now telling me all chillers are rated at .6 kW/Ton (which changes everything).

    For a 500 Ton CARRIER -- 19XRV474385CPS64 I get a SEER rating of 22.22 using the...
  49. Replies
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    Thanks, I'll see if I can get there S/Ns. If I...

    Thanks, I'll see if I can get there S/Ns.

    If I was to go ahead and use the first 500 Ton Carrier's kW/Ton raiting of 1758 kW/ton as an example, I come up with a SEER rating of 3.79 does this...
  50. Replies
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    Thanks, I had similar formulas (see attached). ...

    Thanks, I had similar formulas (see attached). Can you tell me if the following kW/ton figures look correct for these Carrier and Trane models?

    If so, I will then use these kW/ton metrics to...
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