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Phil, we have a commercial building in cape, va that is
hi phil, we have a commercial building in cape charles, va that is serviced by two 5 ton carrier air handlers and recently matched with carrier thermostats capable of humidity control. The RH has been… read more
Phil
Phil
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Degree, Mech Engr Technology
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I need help checking the refrigerant charge of an R410
I need help checking the refrigerant charge of an R410 system. Its a Goodman split system. The outside ambient temp is 70 degrees F, the relative humidity is 88%. the wet bulb at the return air is 70 … read more
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I am working with a Nutone upright gas furnace with a
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Billy, I purchased what I thought was a R2a 2 1/2 ton
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I have a Carrier 38cks split system which is about 12 years
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airheatman
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I am an HVAC contractor in Southern DE. I have a performance
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Phil
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My house has a three ton unit in an 1800 sq ft rancher.
My house has a three ton unit in an 1800 sq ft rancher. Today the ambient temperature is 94 with a heat index of 101 and the a/c system runs all the time. Thermostat is set to 73 degrees. The condense… read more
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What is the normal operational pressures on a rheem
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Tim H.
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Vocational, Technical or Trade Scho
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My Infinity Control thermostat was set at 76 and it kicked
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gotoman for ac
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I live in the Denver area. Installed new XC-21 unit last summer
I live in the Denver area. Installed new XC-21 unit last summer worked beautifully with the pure air MIRV 16 filter and UV lights. This year the house has become excessively humid with a damp almost m… read more
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My original home comfort system was a york 3 ton r22 condensor.
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gotoman for ac
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I have horizontal model KTW020ad-s1a (installed in 2005) in
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Phil
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I have a trane xe1100. The unit froze up twice with the last
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gotoman for ac
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We have a carrier infinity hybrid system (58MVB furnace, 25HNA9
We have a carrier infinity hybrid system (58MVB furnace, 25HNA9 heat pump, and a SYSTXCC Carrier Control. We are unable to get the humidity levels below 65% which is a prescription for mold growth. So… read more
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In case if you have to change out side condenser R22 to R410,
In case if you have to change out side condenser R22 to R410, and inside you must change or install txv valve to R410 the same capacity of the unit right, not need change of the all unit inside 'air h… read more
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My AC is constantly running, just last year we had new ducts
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Tim H.
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I have 4 carrier infinity units with thermostats. I set the
I have 4 carrier infinity units with thermostats. I set the temperature to 75 and in cools to 73 or less. The ac company says its the humidity setting over riding the system. I cannot reset the humidi… read more
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I am working on a new lennox xp 14 r410 system. I have pressures
I am working on a new lennox xp 14 r410 system. I have pressures that I do not understand. In cooling a start out with 138 low and 290 high.. 28 deg superheat and 8 degrees subcooling. this is with 77… read more
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