HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I have a old ac unit model# 7330-713 what unit would replace
i have a old ac unit model# ***** what unit would replace this … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
I have a mach air and it will not work the fan does and my
I have a coleman mach air and it will not work the fan does and my heat wont come on its on a camper 1999 … read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
954 satisfied customers
My mach 3 rv ac keeps tripping my 10000 watt generator
My Coleman mach 3 rv ac keeps tripping my 10000 watt generator breaker. How do i fix this?… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
I have Mach trueair system in itasca suncruiser. Changed out
I have Coleman Mach trueair system in itasca suncruiser. Changed out circuit board still same problem. It runs for ten minutes or so, pulling 18-20 amps, then at some point drops down to 3-4 amps. See… read more
Charles Bodenheimer
Charles Bodenheimer
Owner
Associate Degree
78 satisfied customers
My WaterFurnace Envision system just gave me a low
My WaterFurnace Envision system just gave me a low pressure/compressor alarm. Any specific steps I should take? … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
My outdoor ac on cool is blowing cool air out of the
my outdoor ac on cool is blowing cool air out of the condensing unit not warm air like my other unit condensing unit.. This is at a church . There is no condensation on the copper pipe and no water ru… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I am not a technician, just a home owner. Since Sunday. If
I came into my house after being out for the day and my ac was not cooling but running constantly. … read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
We have an approximate 14 year old Trane xr12 unit which
We have an approximate 14 year old Trane xr12 unit which just stopped cooling. A month ago it was working fine and last week the compressor stopped coming on, the fan blade/motor stopped turning but t… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Trane XE 78. Condenser works. A coil freezes. Blower won't
Trane XE 78. Condenser works. A coil freezes. Blower won't kick on. Manual blower (Fan on) works and kicks the blower on ok. As soon as A coil kicks in, blower quits. A coil keeps going and freezes. S… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
Hi Billy I have two Bryant 58MVP100F15120 units in my house.
Hi Billy I have two Bryant 58MVP100F15120 units in my house. It is a vacation house, so we are not there very often. When we came out in October, we turned on the heat and neither unit would fire up. … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
I live in a 1984 mobile home that has a coleman central air
I live in a 1984 mobile home that has a coleman central air unit that also says presidential III on it. The model number is XXXXX (if 3rd # XXXXX a 3 than must be an 8). I have lived here for 13 years… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
have a rv with a heat pump and gas furnace heat pump colman
have a rv with a heat pump and gas furnace heat pump colman mach model 6537-671 and the board number is ***** what thermostat do i need… read more
Scott
Scott
Self Employed HVAC Service Technician
Associate Degree
400 satisfied customers
my central unit is blowing cold air even though the thermostat
my central unit is blowing cold air even though the thermostat is set to a higher temp. I don't see any gas light it the system… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
Hey Phil, I have an AC question, got some great info from 1
Hey Phil, I have an AC question, got some great info from 1 of your old posts I have an old Coleman Mach EL 6740 series roof air on a 1983 RV. Has worked fine for 4/5 years, then suddenly just get war… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Greetings, I have a Coleman Pop Up with a Coleman A/C uniy
Greetings, I have a Coleman Pop Up with a Coleman A/C uniy on top.It is an 8000 Series unit It has a Low/High Fan position and a Low/High A/C position. On the other swide of the unit is the thermostat… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Hi. Just came home from work, and my house is blazing hot.
Hi. Just came home from work, and my house is blazing hot. AC is on. Condensor fan is blowing. Air inside is blowing.. Just not cold. Last year I replaced the condensor fan motor when it went out. eve… read more
Heath
Heath
Vocational, Technical or Trade Scho
1,027 satisfied customers
my air conditioning unit is running but is not reaching the
my air conditioning unit is running but is not reaching the desired temp the coils froze up yesterday and we turned the ac off and left the fan running they defrosted very quickly I then worked on the… read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
768 satisfied customers
Hello, I have the Colman Mach on a Rockwood tent camper.
Hello, I have the Colman Mach on a Rockwood tent camper. It has been blowing out nice cold air. I kept it on low cool on Saturday night, and I noticed on Sunday morning it was not cooling very well. A… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

You did one super job of explaining to me everything there is to know about this fridge. I'm looking forward to asking you questions in the future.

JimmyBagley, IA

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

Meet the Experts:

Phil

Phil

Mechanical Engineer

7,791 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

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x