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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
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
10,115 satisfied customers
I had a hvac guy come out and he filled freon. However this
Hi, I had a hvac guy come out and he filled freon. However this is what he did: He filled freon on low side and R22 gauge only went up to 30 degrees of R22 & 55 psig. This was on the inside furnace.He… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
10,115 satisfied customers
I attempted to add Freon to a new unit we installed and i
I attempted to add Freon to a new unit we installed and i believe i did something very wrong. On the unit it shows the factory set is 78I connected my gauges to the condenser, the red to the High side… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
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We have 4 ton r-22 packard unit on the roof,the duct run
hi,we have 4 ton r-22 packard unit on the roof,the duct run cross roof as well,the past few year the system work fine, recently it doesn't get as cold as used to.replaced air filter,blower,compressor … read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
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My rooftop unit has highside pressure and refrigerant in it
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Jason Whatley
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Im having trouble with a brand new system . Installed new
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BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
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Hi Have an 2002 International 4400 requires 36 oz +2 - 0 r134a
Hi Have an 2002 International 4400 requires 36 oz +2 - 0 r134a ,had bad unserviceable schrader assy at accumulator, leaked down to 0+(phh at disconnect,some pressure) and replaced assy.-added 1oz pag … read more
Phil
Phil
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Degree, Mech Engr Technology
10,115 satisfied customers
I have a Trane XE1000, model number TWR024C100A5 no cool comp.
I have a Trane XE1000, model number TWR024C100A5 no cool comp. running not moving any heat air is only 75 deg air i do have some hvac backround but iam not sure whats going on… read more
jrodhvachelp
jrodhvachelp
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I installed a new Copeland scroll compressor, on start up,
I installed a new Copeland scroll compressor, on start up, after cleaning the system and adding R22, the condenser fan as well as the compressor both came on. The compressor was running but not pumpin… read more
Jason
Jason
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Hi, I have a 3.5 ton Goodman packaged unit and i hooked up
Hi, I have a 3.5 ton Goodman packaged unit and i hooked up the gauges on it today and it gave me 55 psig on the low side and zero on the high. What does it mean? Outside was around 90 degrees… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
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The compressor on my a/c unit failed recently. The technician
The compressor on my a/c unit failed recently. The technician I hired to look at it said he could install a new outdoor unit that uses a new type of freon without replacing the unit inside the house. … read more
Comfort Specialist
Comfort Specialist
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Vocational, Technical or Trade School
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I am having a problem. I replaced a 3 phase 5 ton compressor
I am having a problem. I replaced a 3 phase 5 ton compressor with a new scroll type compressor. When I first truned it on it made a racket, I shut it off and reversed the phase. it started very nice a… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
10,115 satisfied customers
4t Rheem r22 condenser...........not a heat pump.scroll compressor
4t Rheem r22 condenser...........not a heat pump.scroll compressor sight glass shows no bubbles system is cap tube indoor temp 75 outdoor temp is 72 indoor temp split is on 7-8 degrees between return … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
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5,375 satisfied customers
My compressor is seized. Now I need to decide whether to replace
My compressor is seized. Now I need to decide whether to replace the compressor, which I can physically do. I am a licensed plumber with lots of experience brazing copper pipe. Or do I replace the ent… read more
M Oglesby
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Have a comfortmaker A/C unit that may need recharging. Model
Have a comfortmaker A/C unit that may need recharging. Model number is XXXXX The chart inside the panel that shows ambient outdoor temperature, refrigerant temperatures and pressures, is water damaged… read more
BillyHvac
BillyHvac
Journeyman Service Technician
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Hi, I have a 4 year old Carrier Infinity system and just in
Hi, I have a 4 year old Carrier Infinity system and just in the last few weeks it has begun to not cool to temperature set (73 degrees) and is usually about 5 to 6 degrees above set temperature and hu… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
At 5 30PM with a temperture of 100 F. My unit reading are
At 5:30PM with a temperture of 100 F. My unit reading are: Compressor off, low side 120 PSIG, high side 150 PSIG. Unit on, low side 80 PSIG, high side 425 PSIG, suction line temperture 86 F and occupi… read more
Tom
Tom
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Vocational, Technical or Trade Scho
770 satisfied customers
walk in cooler with condenser pack outdoors.r-22 with txv.
walk in cooler with condenser pack outdoors.r-22 with txv. at start up unit runs very good. the temps and pressures are all good. when unit reaches temp. and shuts off it will not start again but goes… read more
Rick Mather
Rick Mather
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Meet the Experts:

Phil

Phil

Mechanical Engineer

10,115 satisfied customers

Retired HVAC/ Electrical & Boiler contractor. Industrial

Rick Mather

Rick Mather

HVAC Technician

3,133 satisfied customers

35 years experience, HVAC

Matthew

Matthew

HVAC Technician

2,014 satisfied customers

14 years experience in the HVAC field of service, installation, Manual J & D calculations

Brian HVAC Guy

Brian HVAC Guy

HVAC Technician

1,024 satisfied customers

I have been an HVAC/R mechanic/technician for 30+ years.

Kenton Guidry

Kenton Guidry

HVAC Technician

963 satisfied customers

12 years install/service experience.

Rick Ridley

Rick Ridley

UK Heating Engineer

871 satisfied customers

Retired But have had 30 years on the tools, Ex CORGI

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

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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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