Search:

Type: Posts; User: second opinion

Page 1 of 20 1 2 3 4

Search: Search took 0.08 seconds.

  1. Even in defrost?

    Even in defrost?
  2. [QUOTE=jim69;21930821]everyone tells me that but...

    [QUOTE=jim69;21930821]everyone tells me that but after 2 different "professional technicians" I still have the buzzing sound. What I am looking for is someone to tell me what the issue may be so I...
  3. Replies
    4
    Views
    344

    Replacing the duct to the register could have an...

    Replacing the duct to the register could have an ill effect in several ways. The velocity of the air could decrease and the flow diminish or increase and cause a noise issue. Both the duct and the...
  4. A common issue with multiple story homes....

    A common issue with multiple story homes. Temperature gradients between floors will cause air current to travel through duct system
  5. Replies
    15
    Views
    599

    filter selection should be bases on the total...

    filter selection should be bases on the total static pressure of the equipment and duct work, not selected by merv rating.

    Most systems that are installed are over restricted for even a merv 8....
  6. Replies
    2
    Views
    614

    Air Conditioning and Refrigeration...

    Air Conditioning and Refrigeration Troubleshooting Handbook
    Energy Efficient Building Construction in Florida
    Energy Systems Analysis Management
    Fibrous Glass Duct Construction...
  7. Replies
    15
    Views
    599

    More information such as type of duct added to...

    More information such as type of duct added to the new returns along with size and length will help give you a better answer. In short the 4 returns alone will not suffice.
  8. Replies
    15
    Views
    599

    Cut the cardboard area leaving approximately 3/4...

    Cut the cardboard area leaving approximately 3/4 of an inch around the perimeter.
  9. Replies
    2
    Views
    387

    Depending on the velocity of your return air the...

    Depending on the velocity of your return air the bag filter that was chosen can be dramatically higher than the one inch MERV 8 pleated. At 375 fpm the pressure drop is 0.34 at 625 fpm it is 0.64.
  10. Replies
    9
    Views
    608

    NEC 680.22c (C) Switching Devices....

    NEC 680.22c

    (C) Switching Devices. Panelboards, time clocks, pool light switches, and other switching devices shall be located at least 5 ft horizontally from the inside walls of a pool, outdoor...
  11. Replies
    1
    Views
    297

    Flip the unit provided you still have service...

    Flip the unit provided you still have service access to the equipment.
  12. 11th digit in model # of furnace should be a V...

    11th digit in model # of furnace should be a V "variable speed"then blower tonnage. Your outdoor should be a two step scroll
  13. Replies
    7
    Views
    2,529

    411.1.6 Unions. A union fitting shall be...

    411.1.6 Unions.
    A union fitting shall be provided for appliances connected by rigid metallic pipe. Such unions shall be accessible and located within 6 feet (1829 mm) of the appliance.
  14. Replies
    9
    Views
    1,090

    Counter Strike is a superior product with a...

    Counter Strike is a superior product with a carbon composite sheath. Bonding is not required by the manufacturer but is still required by code to be bonded and requirements should be followed.
  15. Your contractor made a good recommendation, and...

    Your contractor made a good recommendation, and is approved by the FDA
  16. I would agree, it is not the light but the...

    I would agree, it is not the light but the installation. Anything organic in direct line of sight of the UV light will be effected. The wiring insulation is organic along with filter media etc.
  17. Each time a fixture is used in the house there is...

    Each time a fixture is used in the house there is a siphoning action taking place in the vent stack.

    As stated report to the gas supplier and it will be resolved quickly.
  18. Your application does not require anything...

    Your application does not require anything unique. Most all equipment can be mounted in multiple positions.

    Contact a Trane dealer for a new gas furnace.
  19. Replies
    12
    Views
    1,054

    M1602.2 Prohibited sources. Outdoor and return...

    M1602.2 Prohibited sources.
    Outdoor and return air for a forced-air heating or cooling system shall not be taken from the following locations:

    1. Closer than 10 feet (3048 mm) to an appliance...
  20. Replies
    8
    Views
    761

    X2

    X2
  21. Replies
    11
    Views
    1,274

    Using a duel fuel application would serve you...

    Using a duel fuel application would serve you best provided the heat pump "separate metering" is only required for the lower rate
  22. The 803, but as BL stated the VP is a better...

    The 803, but as BL stated the VP is a better choice. Both are made by Honeywell
  23. Replies
    32
    Views
    2,344

    low airflow is probable

    low airflow is probable
  24. The product is not at fault and when it is...

    The product is not at fault and when it is installed in the return with a face velocity between 275 to 300 fpm and is cleaned monthly they work great.

    Unfortunately the majority of them are...
  25. When looking at the condensation dripping, if it...

    When looking at the condensation dripping, if it is dripping from inside the flue pipe it would be acidic, and if it is condensing on the outside of the pipe it would not be.
  26. Rarely does an EAC get installed on a return that...

    Rarely does an EAC get installed on a return that has a low enough velocity for the EAC to function as designed along with the lack of maintenance to keep the cells clean.
  27. Stick with 4 inch MERV 8 unless you have static...

    Stick with 4 inch MERV 8 unless you have static pressure confirmed. Chances of the static to be low enough to use anything above 8 would be rare.
  28. The condensate is acidic, placing bucket to...

    The condensate is acidic, placing bucket to maintain drip will work
  29. Required, specifically noted in installation...

    Required,
    specifically noted in installation instructions.
  30. Replies
    10
    Views
    872

    X2 Water source is also excellent if designed...

    X2

    Water source is also excellent if designed and installed correctly. Two big ifs.
  31. Thread: Goodman

    by second opinion
    Replies
    16
    Views
    2,080

    Even if that was the case Jim, he should have...

    Even if that was the case Jim, he should have caught it at commissioning of the system
  32. Replies
    4
    Views
    658

    Are you wanting to eliminate the heat pump and...

    Are you wanting to eliminate the heat pump and convert it to a straight AC unit? If so it is easy to do.
  33. Replies
    3
    Views
    656

    The product can be purchased with self sealing...

    The product can be purchased with self sealing seams and then painted to prevent UV degridation. It is a simple task that can be performed relatively easilly.
  34. The other issue to look at is the equipment...

    The other issue to look at is the equipment matching the sensible heat ratio of the manual J load calculation.

    Just because a system selection meets a specific SEER rating, should not be...
  35. Replies
    12
    Views
    1,309

    422.12 Central Heating Equipment. Central heating...

    422.12 Central Heating Equipment. Central heating equipment
    other than fixed electric space-heating equipment shall
    be supplied by an individual branch circuit.
    Exception No.1: Auxiliary...
  36. Replies
    17
    Views
    2,479

    It would be rare that any AHJ would allow you to...

    It would be rare that any AHJ would allow you to tie directly into a sanitary drain for condensate disposal. A trap primer is to maintain a wet trap to prevent sewer gas from entering a space. Used...
  37. What state are you in or do you have a link to...

    What state are you in or do you have a link to the criteria used by the utility provider?
  38. If set up correctly you are good to go.

    If set up correctly you are good to go.
  39. The answer to both questions is yes. And for...

    The answer to both questions is yes.

    And for your last post, third party testing for post commissioning should be mandatory. For pretesting all companies should be competent enough to determine...
  40. Isolate and determine what is leaking, It could...

    Isolate and determine what is leaking, It could be a simple as a poor braze joint or schraeder core leaking. Never allow additive to a new system.

    Depending what they charged you for the leak...
  41. Replies
    1
    Views
    418

    If you have a dust collection system there would...

    If you have a dust collection system there would be no issues
  42. Replies
    6
    Views
    752

    In certain scenarios insulating both the liquid...

    In certain scenarios insulating both the liquid and suction is a good idea. Long runs in attic where excess heat can be picked up in summer time.
  43. The furnace is two stage and the VS motor works...

    The furnace is two stage and the VS motor works during the cooling cycle and not the furnace cycle.
  44. Replies
    23
    Views
    2,676

    go to South Carolina building codes. If you...

    go to South Carolina building codes.

    If you are getting water intrusion from flooding due to landscaping or high water table then the attempt to alleviate was not addressed correctly.
    The vapor...
  45. Up-selling equipment efficiency rating and...

    Up-selling equipment efficiency rating and accessories that are not needed without addressing the structure and the air distribution is a popular scenario.

    Over-sized equipment can lead to more...
  46. Replies
    26
    Views
    3,116

    408.3 was not modified or deleated for SC

    408.3 was not modified or deleated for SC
  47. Replies
    8
    Views
    1,009

    Look in your history and look for faults that...

    Look in your history and look for faults that have occured with the system
  48. It is a combination of components such as larger...

    It is a combination of components such as larger coils, ECM motors, TEV controls, scroll compressors.
  49. Replies
    8
    Views
    1,009

    Ask your installer if he is going to replace the...

    Ask your installer if he is going to replace the ECM motor when it fails. I will be willing to bet he will tell you that it is also ok if you pay for the repair.
  50. Trying to track down an oder can be tedioius. A...

    Trying to track down an oder can be tedioius. A time line with data usually helps.

    A mod will be allong to relocate to AOP
Results 1 to 50 of 1000
Page 1 of 20 1 2 3 4

Related Forums

Plumbing Talks | Contractor MagazineThe place where Electrical professionals meet.
Comfortech 365