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  1. Replies
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    Regarding SEER: The entire system (consisting of...

    Regarding SEER: The entire system (consisting of furnace, indoor coil, and outdoor condenser) must be rated by AHRI as a matched set with a published AHRI Reference# that outlines the SEER, EER, and...
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    Shouldn't this post be moved to the Fireplace...

    Shouldn't this post be moved to the Fireplace Forum????
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    SEER Calc

    I haven't posted this in a while, and BeenThere usually beats me up when I do :), but here is the SEER calc for a system with a single speed compressor and a variable speed air handler:

    SEER = EER...
  4. 13 SEER has been the minimum for a few years now....

    13 SEER has been the minimum for a few years now.

    When I hear "high SEER", I think of 18 SEER or greater. 16 SEER systems and higher are typically 2-stage compressors.
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    The SSZ14 is a heat pump, not straight a/c. ...

    The SSZ14 is a heat pump, not straight a/c.

    That combination is AHRI Reference# 4355478.

    15 SEER, 12.5 EER, 9 HSPF.

    Take care.
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    ..And I probably never will have a high SEER,...

    ..And I probably never will have a high SEER, unless it comes with the next new house.

    Current new house in Reading PA has a 5 year-old 10 SEER. When it dies, I'll replace it with a 14 SEER, like...
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    Do you really need a 2-stage compressor?

    Do you really need a 2-stage compressor?
  8. Replies
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    The fallacy of high SEER systems and operational...

    The fallacy of high SEER systems and operational cost savings.

    What SEER do you have now?

    Do you feel more comfortable with the new system?

    I think that 14 or 15 SEER systems offer the best...
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    Not an HVAC pro. "Regular Guest" is under my...

    Not an HVAC pro. "Regular Guest" is under my name.

    What are the AHRI Reference #s for the systems that you are comparing? Post the Reference#s and someone will provide efficiency and output...
  10. ......and have us over for a BBQ :)

    ......and have us over for a BBQ :)
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    The above info is next-to-meaningless without...

    The above info is next-to-meaningless without model numbers of the condensers at matching air handlers.

    Also, get the AHRI (Air Conditioning Heating and Refrigeration Institute) reference numbers....
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    I had the same air handler in my old home. The...

    I had the same air handler in my old home. The filter was a major PITA to change. The rack that held the filter was poorly designed.

    I think I used a 16x24x1. That is not a standard size so I...
  13. Thread: 102.3 Degrees

    by gary_g
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    1,394

    What if the porn has low lighting? Do the...

    What if the porn has low lighting?

    Do the plasmas go on "high fire" because of the lighting or because of the porn?

    I am soooo confused.......
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    A properly functioning heat pump should produce...

    A properly functioning heat pump should produce air temps in the mid-90's with outdoor temps in the 40's.

    The aux strips are coming on because the thermostat is sensing that the heat pump is not...
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    Not a bad lock out temp. You should experiment a...

    Not a bad lock out temp. You should experiment a little and see if you could drop that by a degree or so, and find out if the heat pump can still keep up. The more you run the pump, and the less...
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    Yes. A setback using your propane furnace will...

    Yes. A setback using your propane furnace will save you some $$.

    The reason why you read that it is better not to set back using a heat pump is because the heat pump generally does not have the...
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    The heat pump requires time to reach operating...

    The heat pump requires time to reach operating temperature. The only way it will be instantly warm is if the auxilliary electric strips (if you have them) are energized along with the heat pump. ...
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    You need to replace that straight a/c condenser...

    You need to replace that straight a/c condenser with a heat pump condenser. Hopefully, you can still get a system match for the air handler since it is from 2008.

    Good luck.
  19. I'm thinking about adding a pellet stove to the...

    I'm thinking about adding a pellet stove to the basement area after I insulate the foundation walls.

    If I add extra supplies and the 1 return to the existing ducts, the 4-ton a/c would probably...
  20. Had a local pro come out and take a look at the...

    Had a local pro come out and take a look at the ductwork (insulated duct board).

    He would cut in three 8" x 8" supplies to the main trunk, and add one 24" x 8" return at the bottom of the return...
  21. House is 2 story plus the basement (3 stories...

    House is 2 story plus the basement (3 stories total.)

    I like the idea of the separate supply duct. I have to see if there is room for it.

    Thanx.
  22. Exactly why I want a pro to check out the...

    Exactly why I want a pro to check out the ductwork. I don't want to hack in the supplies/returns myself.

    I haven't had a chance to check out the furnace blower speed setting. Maybe it can be...
  23. Reading, PA, area - need a pro to add supplies/returns to basement

    I just bought a 5 year-old house in Reading, PA.

    The basement is semi-finished (only the ceilings are done). I will be insulating the foundation walls in the near future. Maybe add a pellet...
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    I would check the AHRI ratings for the matched...

    I would check the AHRI ratings for the matched heat pump and air handler combinations. Maybe one has a higher HSPF (heating efficiency) or maybe a better btu output.
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    Both of you have hit the nail on the head. ...

    Both of you have hit the nail on the head.

    Straightforward and easy to understand for all.

    Btu's are btu's.

    The cost is easy to calculate.

    How those btu's are distributed to the space...
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