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airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
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I just had a new HVAC unit installed. Last weekend the temps
Hi! I just had a new HVAC unit installed. Last weekend the temps got to 55-60 degrees and I ran the ac to cool off the house. Within 1 hours the evap coil was iced over. What causes that? … read more
Regan Land
Regan Land
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Phil
Phil
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BillyHvac
BillyHvac
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I have a carrier 25HCD448A300, trying to figure out if I
trying to figure out if I test w superheat or subcooling method … read more
airheatman
airheatman
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Need to change out a 16 year old 10 SEER Lennox Heat Pump.
Need to change out a 16 year old 10 SEER Lennox Heat Pump. Looking for your expert recommendation on brand (carrier or trane) and SEER rating. This unit serves the 2nd floor comprised of all bedrooms.… read more
BillyHvac
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Replaced stuck 410a compressor, weighed in exact charge and
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Brian HVAC Guy
Brian HVAC Guy
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I just installed a new compressor in a 10 ton package unit.
I just installed a new compressor in a 10 ton package unit. I charged it to specs. I am getting frost on the suction line out of the compressor. System is 410a. Suction press. at 90psi head at 350. I'… read more
Tim H.
Tim H.
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Phil
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Richard
Richard
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Hello; I have a Carrier central air unit - 24ACA4 series.
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gotoman for ac
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I installed a Carrier Gas Pack in a one story 1700 sq ft house
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Phil
Phil
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I have a 2 1/2 ton system that isnt cooling all the coils
I have a 2 1/2 ton system that isn't cooling all the coils in the evap. Only the bottom two rows coll. The cap. lines from the TXV are cold to all coils. Pressures are good on the guages. Tried everyt… read more
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I have a 3 ton Trane XL13i mod. # 4TTX3036A 1000AA with a
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Richard
Richard
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just got back into hvac cant remember superheat on how to
just got back into hvac can't remember superheat on how to fiquire by rule of thumb can you help… read more
Richard
Richard
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Vocational, Technical or Trade Scho
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I was proposed to have an arco air evap coil Q594360 and a
I was proposed to have an arco air evap coil Q594360 and a TXV valve installed in my 1997 arco air 5 ton hvac uniit, Does 2900.00 sound excessive? Thanks Leon… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
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i have a unit with high suction pressures (85) return temp
i have a unit with high suction pressures (85) return temp of 74 f. oat 90 degrees discharge pressure 215-230 psi, 5-10 degree superheat,unit was surely over charged when i started 2-4 degree superhea… read more
Richard
Richard
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I have a commercial office with 4 suites with four 4 ton units,
I have a commercial office with 4 suites with four 4 ton units, recently the air exchanger went which was a 4 ton Bryant, with a Trane compressor this combo worked excellent for several years. a new T… read more
BillyHvac
BillyHvac
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Meet the Experts:

Phil

Phil

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10,082 satisfied customers

Retired HVAC/ Electrical & Boiler contractor. Industrial

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Matthew

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Brian HVAC Guy

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Kenton Guidry

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Rick Ridley

Rick Ridley

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Tom

Tom

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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