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Type: Posts; User: DLR

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  1. Replies
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    2,581

    ROLLLLLLLLLLLL TIDE

    ROLLLLLLLLLLLL TIDE
  2. Replies
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    1,366

    I use at least 20x30 return filter grilles on 3...

    I use at least 20x30 return filter grilles on 3 ton systems. Larger if filter application requires it.
  3. Thread: high limit issues

    by DLR
    Replies
    8
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    890

    Airflow is most likely the culprit. You need a...

    Airflow is most likely the culprit. You need a pro to figure out why the airflow is inadequate.
  4. Replies
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    1,574

    Is there a Lennox distributor in your area? Are...

    Is there a Lennox distributor in your area? Are parts readily available in case of a failure? Lennox is good equipment and so is Trane. It.s hard to find Lennox OEM parts in some areas.
  5. Replies
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    What size return grille? Is the duct insulated on...

    What size return grille? Is the duct insulated on the inside?
  6. I would use 18/10 if it were me. It don't cost...

    I would use 18/10 if it were me. It don't cost that much more and if you ever need the extra wiring it will be there.
  7. What furnace do you have? make sure it had...

    What furnace do you have? make sure it had adequate fan performance for the size heat pump that is being used, sized by Manual J of course. Another thing to look at is are your returns and supplies...
  8. Thread: Wall stud returns

    by DLR
    Replies
    20
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    1,420

    I have always sized my duct at .05 return static...

    I have always sized my duct at .05 return static and .08 supply. Never had a problem with proper cfms or static. It was the way I was taught by local utility company that has a world renoun training...
  9. Replies
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    Great advice from all. Have a system capacity...

    Great advice from all. Have a system capacity test done. Have them make sure your duct system is tight. I mastic all my systems. You can lose alot of capacity thru duct leakage from ducts. A Manual J...
  10. Thread: Wall stud returns

    by DLR
    Replies
    20
    Views
    1,420

    6X32 is only good for 650 cfms based on .05...

    6X32 is only good for 650 cfms based on .05 static. Your only half way there. It is to small. Run another return kapish?
  11. Replies
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    8,682

    Hard to tell without seeing the job. Your service...

    Hard to tell without seeing the job. Your service company should know how many,what size etc.
  12. Replies
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    8,682

    "One more question that I forgot to ask. I have a...

    "One more question that I forgot to ask. I have a 24X12 return air grill. Do you think this is enough for my system? During the estimate process I had some contractors say that it needed to be larger...
  13. Thread: Air Flow

    by DLR
    Replies
    3
    Views
    406

    Not a DIY site. You need a tech to check for...

    Not a DIY site. You need a tech to check for proper static and total cfms.
  14. Thread: Air Flow

    by DLR
    Replies
    3
    Views
    406

    Your return duct is approx. good for 1300cfms at...

    Your return duct is approx. good for 1300cfms at best not taking into account any elbows or transitions etc. If it is internally lined it is only good for 900 cfms based on .05 static design. The...
  15. Replies
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    8,191

    If you have mold growing in your duct system it...

    If you have mold growing in your duct system it needs to be addressed. I
    would recommend a new duct system externally wrapped. Also have your indoor coil cleaned.

    Before you can lower the fan...
  16. Thread: Ideal Meters

    by DLR
    Replies
    16
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    942

    Fluke here also. I have a Fluke 16 that is 12...

    Fluke here also. I have a Fluke 16 that is 12 years old and never had a problem.
  17. Replies
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    Here are the rules and regs. for us Alabama...

    Here are the rules and regs. for us Alabama contractors. A Manual J load calculation is required. You can also file a complaint if it goes that far.
    http://www.hvacboard.state.al.us/
  18. Replies
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    My wife and I have been together for 28 years....

    My wife and I have been together for 28 years. She is my best friend. We even survived working with each other.
  19. Replies
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    8,191

    Yes if it is a PSC 3 or 5 speed motor. Make sure...

    Yes if it is a PSC 3 or 5 speed motor. Make sure they check the superheat so there is no slugging of the compressor. I have personally never had duct sweating problems with ventilated or non...
  20. Replies
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    8,191

    First unit was probably oversized and if they...

    First unit was probably oversized and if they replaced it with the same unit then it is oversized. Did anyone do a manual J load calculation. I know this gets repeated alot on this forum but it is...
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    3,373

    A multi zone system might be a viable option.

    A multi zone system might be a viable option.
  22. The filter is has a one inch flange that fits in...

    The filter is has a one inch flange that fits in the grille and then necks down or reduces to four more inches.
    However the majority of duct systems are to small for such applications.
  23. Replies
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    3,373

    Just becaus a Dr. works for an insurance company,...

    Just becaus a Dr. works for an insurance company, does not mean they are a bad dr. does it?.
    It don't mean the doctors bad but insurance companies limit what can be done.
  24. Replies
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    3,373

    A scale is the only way to tell how much...

    A scale is the only way to tell how much refrigerant is used.

    Home warranty companies i have delt with will do everything to string you along till the warranty expires. Yours may be different.
  25. Thread: dog bites?

    by DLR
    Replies
    41
    Views
    2,279

    The homeowners told me "he's never bitten anyone"...

    The homeowners told me "he's never bitten anyone" The lab that bit me was quarintined for 30 days.
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