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Type: Posts; User: rkmx5

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  1. Replies
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    The merv 8 filter is a naturalaire 1" thick. I...

    The merv 8 filter is a naturalaire 1" thick. I put a cheap fiberglass filter in and the SP dropped to 0.82. Without any filter the reading was 0.71. I guess filters do make a big difference
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    Thanks all, I tried a merv 8 pleated filter that...

    Thanks all,
    I tried a merv 8 pleated filter that they had left as an alternate and it actualy increased the static pressure from .97 to 1.18 at 1400 CFM. I'll contact the installer again next week....
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    Thanks Dash, Location: Sacramento CA...

    Thanks Dash,

    Location: Sacramento CA (currently 107F)
    Ducts are all flex with a centrally located 20 x 30 return grill (alergy gold electrostatic filter) and a 16"dia duct. There are 6 supply...
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    I had a 4 ton Carrier Infinity heat pump (2 speed...

    I had a 4 ton Carrier Infinity heat pump (2 speed with VS fan coil) installed (attic) two months ago. Just turned on the AC two weeks ago. The system is qreat - cools well, even temperature...
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    The stat was set to begin increasing temperature...

    The stat was set to begin increasing temperature before I get up in the morning. When I first checked the thermostat the actual temp was withion 1F of the set point with auxilary heat active. Aux...
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    Just had a new Carrier Infinity 38YDB/FE4AN HP...

    Just had a new Carrier Infinity 38YDB/FE4AN HP installed. I have always been concerned about use of auxilary heat associated with high electric bills. I controlled it manually on my old system by...
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    Utility Rebate requires a minimum of 14 SEER, 12...

    Utility Rebate requires a minimum of 14 SEER, 12 EER and 8 HSPF. The infinity is low on the EER (about 11.8) while the performance series in about 12.2 (based on contractor information). I was just...
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    I narrowed down my bids on two HP systems:...

    I narrowed down my bids on two HP systems: Carrier Performance 38YXA048 with variable speed air handler and the Infinity system of the same size (38YDB/FE4AN). I've heard alot of good things about...
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