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Type: Posts; User: Polibio

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  1. the distributo has the 9kW in stock. he doesn't...

    the distributo has the 9kW in stock. he doesn't recommend it with that configuration. the 15kW would require changing wires, breakers and more $$$ for the electrician to perform the job. the existing...
  2. Bryant Evolution HP and staging electric strip

    I have a question regarding the following configuration:
    - Location: central CT
    - HP: 265ANA030000 (2.5 ton) Preferred Series;
    - A/H: FE4ANF002000 plus Evolution Controls (UI)
    - Heating strip:...
  3. Thank you. cem-bsee: have you been...

    Thank you.

    cem-bsee:
    have you been comfortable? yes
    has shading changed? no
    has roof color changed? no
    has insulation in attic settled? not sure...

    the ducts may well need sealing with...
  4. Yes, I think so...but it is my personal opinion. ...

    Yes, I think so...but it is my personal opinion.
    In summer time, we usually leave the t-stat set at 75F during the day, and 77F at night. We set the fan to run continuosly, to insure similar...
  5. Thank you guys... Please let me understand… 1....

    Thank you guys...
    Please let me understand…
    1. HP+electric strip have to provide heat loss requirements of 27,980BTU’s at designed temp (0F). In this case I can stage electric strip, as HP+5 kw...
  6. Thank you. When sizing the heat pump for...

    Thank you.
    When sizing the heat pump for heating (as the system is designed @ 0F) do the 27,980BTU’s have to be provided by the heat pump alone, or by the heat pump plus the electric strip?
    I will...
  7. Does Heat loss calculation change with time?

    Does heat loss calculation changes with time?
    I have a copy of the original heat loss of the townhouse when it was built in 1983. I need to install new HP/AC system due to the age of the outside...
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    EEM Motor vs ECM Motor for Goodman

    Hi everyone,
    Can anyone explain to me the difference between the two? Goodman offers them in some of their air handler models: AEPF is a V/S with ECM motor, while the ASPF is multispeed w/ EEM...
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    793

    Thank you. I forgot to mention that the tape is...

    Thank you.
    I forgot to mention that the tape is actually regular grey DUCT tape, not foil tape. It is stapled to the duct itself. It is loose in some spots. Should I remove it first, before brushing...
  10. Replies
    10
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    793

    Sealing fiberglass airducts?

    Hi everyone, it’s me again.
    I tried to find this information in other treads, but with no luck. Please, re-direct me if necessary.
    This is my current situation. Central CT. Townhouse built in...
  11. Can anyone help? Thank you.

    Can anyone help?

    Thank you.
  12. plain spoken, you're right. The distributor can...

    plain spoken, you're right.
    The distributor can order the 25HPA530H30 at no extra cost. It will take ~1 wk. as they don't stock it. They told me that it has a different motherboard (or something...
  13. Will the following do the trick (for both Base...

    Will the following do the trick (for both Base and Comfort series)? If yes, will the OAT be cheaper option to buy and have it professionally installed with the new system?

    SYSTXCCUID01--A...
  14. Thank you. Should I ask anything else? Thanks.

    Thank you.
    Should I ask anything else?

    Thanks.
  15. [You won't get all the benefits ] Yes, the...

    [You won't get all the benefits ]

    Yes, the plan is to use VS air handler to gain efficiency/comfort.
    The Performance series A/H w/Thermidistat control could be a cheaper option overall.
    What...
  16. Yes, I heat the townhouse. This is a central...

    Yes, I heat the townhouse. This is a central HP/AC.
    The installer said that he will come, take measurement (windows, rooms, etc..), and plug everything into the computer so the software will do the...
  17. Carirer HP Base models + Infinity/Thermidistat control?

    Can I use Carirer Heat pump Base models with Puron (i.e. 25HBA430A32, 25HBA330C30) matched with:
    - Performance series variable speed air handlers (i.e.FV4BN(B,F)005) and Thermidistat control...
  18. Thanks. I forgot to mention that central HP is...

    Thanks. I forgot to mention that central HP is also central A/C. Any difference?

    Thanks.
  19. Is "Heat Gain" calc. same as "Heat Loss" calc.?

    I’m replacing the existing HP, air-to air, all electric. The contractor will do a “heat gain” calculation, rather than a “heat loss” calculation to properly size the equipment. It this the same...
  20. Thank you. What is the difference in...

    Thank you.
    What is the difference in performance between the FE4AN(B,F)005+UI and the FE4AN(B,F)003+UI? Will the duct size be a problem for CFM, or other metrics to be considered? Other issues?
    ...
  21. Newbie - Carrier 25HPA530H30 or 25HPA530A30 Heat Pump?

    Hi everyone. I’ll need your help, entirely new to this. I’m planning to replace our heat pump+indoor coils. The existing condenser is a 1981 (27 years old, YES 27!!!) Carrier Mod. 38RQ, air handler...
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