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  1. Thread: Tax credit

    by WyrTwister
    Replies
    2
    Views
    304

    Thanks , :-) Wyr God bless

    Thanks , :-)
    Wyr
    God bless
  2. Thread: Tax credit

    by WyrTwister
    Replies
    2
    Views
    304

    Tax credit

    Is the tax credit still in effect ? If so , what is the minimum SEER that qualifies ?

    I installed a 13 SEER mini split , last summer & it did not qualify . I would like to install another &...
  3. Replies
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    Comfort Aire Mini Splits

    The one I installed this summer was a bottom of the line 13 SEER Chinese unit .

    I was looking through my vendor's web site , last nite & Comfort Aire is apparently marketing a Swiss line , up to...
  4. Replies
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    602

    I have used automotive A/C POE oil from O'Reilly...

    I have used automotive A/C POE oil from O'Reilly Auto Parts on a R12 - > R134a retro fit . I believe it was labeled 100 viscosity ?

    Is this " the same " POE oil & viscosity as used for...
  5. Replies
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    602

    POE oil for R410a Systems

    Would some one please give me some information and a brand / spec / catalog number for POE oil used in R410a systems .


    Do most / all the manufactures use the same POE oil ? Is it all...
  6. Replies
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    544

    Last month , with all the taxes & fees , etc....

    Last month , with all the taxes & fees , etc. added in , I paid $ 200.65 for 1739 kwh . .

    Would have to look up the gas bill .

    Thanks ,
    Wyr
    God bless
  7. Replies
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    544

    The condenser is 4 ton . The furnace will handle...

    The condenser is 4 ton . The furnace will handle up to a 5 ton . Some where around 2100 sq ft . It regularly gets to 100 F or more . Some years , 110 F .

    It is straight A/C w/ gas heat...
  8. Replies
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    544

    Furnace sizing

    I live in the southern / central USA . We have gas heat & 13 SEER R22 DX cooling .

    I have been told that in our location , to get enough CFM's for cooling , the furnace BTU's will always be...
  9. Replies
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    314

    07/31/2013 Mini split data - FYI

    FYI

    Unit serving living room and dining room . Plus other areas , depending on which doors are left open . The hotter it gets outside , more doors are closed and the unit cools a smaller area ....
  10. Replies
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    1,034

    So , when the BAS initiates a start , the...

    So , when the BAS initiates a start , the solenoid is opened and refrigerant inside the compressor starts to flow ?

    It flows through the evaporator coil until the refrigerant returns to the...
  11. Replies
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    1,034

    Liquid Line Solenoid - Pump Down

    Liquid Line Solenoid - Pump Down


    Through out the years , I have come into contact with commercial split systems with a Liquid Line Solenoid .

    The controls activated the solenoid ,...
  12. Replies
    2
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    557

    Thanks , :-) Wyr God bless

    Thanks , :-)
    Wyr
    God bless
  13. Replies
    2
    Views
    557

    DC Inverter mini split

    My mini split is the traditional technology , bottom of the line 13 seer el cheap o model . The condenser cycles , off and on , with cooling load / demand .

    I read of the newer technology...
  14. Thread: PM

    by WyrTwister
    Replies
    3
    Views
    404

    In your mind , what should a PM consist of ? ...

    In your mind , what should a PM consist of ?

    Thanks ,
    God bless
    Wyr
  15. Thread: PM

    by WyrTwister
    Replies
    3
    Views
    404

    PM

    What do you HVAC pros consider a residental PM to consist of ?

    Filters , certainly , but home owners can do that , if they will ?

    Inspection of the condition of ducts ?

    Check...
  16. Thread: Howdy

    by WyrTwister
    Replies
    2
    Views
    300

    I do not own a micron gauge . But I have friends...

    I do not own a micron gauge . But I have friends and acquaintances that do . I guess they call that networking ? Or , I'll scratch your back and you scratch mine ?

    I am not looking to go...
  17. Thread: Oil

    by WyrTwister
    Replies
    3
    Views
    406

    Are there more than one type / viscosity ? Do...

    Are there more than one type / viscosity ? Do you happen to have a brand / catalog number / specification ?

    Thanks , :-)
    Wyr
    God bless
  18. Thread: Howdy

    by WyrTwister
    Replies
    2
    Views
    300

    Howdy

    I have 30 + years in electrical .

    I have pretty much always done my own HVAC , sometimes with the assistance of friends and acquaintances .

    Well , I have a brand new shiny EPA card in...
  19. Thread: Oil

    by WyrTwister
    Replies
    3
    Views
    406

    Oil

    What is the brand & catalog number of the R-410a oil used in mini-splits ? Or the specification ?

    Thanks ,
    Wyr
    God bless
  20. Replies
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    This is the Ask Our Pro's forum. In order to post...

    This is the Ask Our Pro's forum. In order to post a response here, you must have verified qualifications and have been approved by the AOP Committee. You may ask a question by starting a new thread....
  21. Thread: Duct

    by WyrTwister
    Replies
    1
    Views
    344

    Duct

    My guess is flex duct is not the favored product on this forum , but it used a lot in this area . For better or worse .

    Does upsizing the diameter help compensate for longer runs of flex...
  22. Thread: Oil

    by WyrTwister
    Replies
    5
    Views
    681

    What is PVE ? I have heard of mineral oil , PAG...

    What is PVE ? I have heard of mineral oil , PAG and POE oil ?

    God bless
    Wyr
  23. Thread: Oil

    by WyrTwister
    Replies
    5
    Views
    681

    Oil

    My understanding is R-22 systems use mineral oil ? Is this the same mineral oil used in the old automotive R-12 systems ?

    My understanding is that mini-splits use POE ( ester ) oil ? Is...
  24. Thread: Mini-Split

    by WyrTwister
    Replies
    4
    Views
    567

    Any opinion on Fredrick ? I know it is an old...

    Any opinion on Fredrick ? I know it is an old name , but I have no current information on it .

    Thanks ,
    God bless
    Wyr
  25. Thread: Mini-Split

    by WyrTwister
    Replies
    4
    Views
    567

    Mini-Split

    Are there any brands of mini-split systems that are best to stay away from ?

    Thanks ,
    Wyr

    God bless
  26. Replies
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    740

    R22 -> R410a

    If an existing R22 residential split system is retrofitted to R410a , does the line set or A-Coil need to be changed out , also ? In addition to the condenser unit ?

    Thanks ,
    Wyr

    God bless
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