HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Connect one-on-one with {0} who will answer your question

Related HVAC Questions
I have a trane XL19i, just over 10 years old. Second
I have a trane XL19i, just over 10 years old. Second compressor does not come on. Does this mean it needs to be replaced and only replacing the 2nd compressor is this a good idea? … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,233 satisfied customers
Billy, I contacted about my second floor theromstat no
Hello Billy,I contacted about my second floor theromstat no functioning about 6 months ago. We believed it was a bad thransformer because the transformer to my 1st floor unit had a slight him to it wi… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
10,114 satisfied customers
My Rheem jaz036 has a new capacitor, contactor and fan motor.
My Rheem jaz036 has a new capacitor, contactor and fan motor. After these replacements the unit turned on and worked fine but then when it tried to restart it won't come back on.… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,233 satisfied customers
I have a White Rodgers thermostat on my hot water heater, an
I have a White Rodgers thermostat on my hot water heater, an Intellevent 37E74A301P1 that continuously goes on vacation. It comes on and the pilot light comes and when the burners kicks on it dies out… read more
Rick
Rick
HVAC Supervisor
25,738 satisfied customers
I have a ruud achiever 90 plus. Blower works on manual but
I have a ruud achiever 90 plus. Blower works on manual but will not fire up or stay on when I click over to the heat button on thermostat. Both green lights are on 1) power 2) ok. The unit worked last… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,965 satisfied customers
I have a reznor udap 125 unit heater. Runs fine up until a
I have a reznor udap 125 unit heater. Runs fine up until a temperature of about 80 degrees. We used to get up to 90 degrees. greenhouse application. At 80 degrees it cuts off and light on circuit boar… read more
Rick
Rick
HVAC Supervisor
25,738 satisfied customers
does it harm to turn off the heating on the second floor if
does it harm to turn off the heating on the second floor if it is not in use? I have been doing this for 8 years now with no visible damage.… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,233 satisfied customers
robertshaw air conditioner 9500. We just replaced the filter
robertshaw air conditioner 9500 We just replaced the filter and got any grossness as we do every month. Generally we find some dust. This month one side decided to kick on, so my husband shut the air … read more
Expert
Expert
What capacity furnace and what size enclosure is needed for
What capacity furnace and what size enclosure is needed for the following application? The furnace will be sized to heat the interior space of an adobe building (2 central halls, upstairs and downstai… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
I have a York Diamond 80 unit that is a laydown unit in my
I have a York Diamond 80 unit that is a laydown unit in my attic. Today, I tried to turn the thermostat to 'HEAT' and the fan on AUTO. I heard the vent blower kick on, but the gas/ignite stage doesn't… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,233 satisfied customers
I have a worcester 280 the hot water and central not working
I have a worcester 280 the hot water and central heating both dont work if i drain the pressure the heating kicks in for a few seconds then goes off then i build the pressure back up and it kicks in f… read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
871 satisfied customers
I have a Carrier Weathermaker Two Zone in my three bedroom
I have a Carrier Weathermaker Two Zone in my three bedroom Townhouse. The first zone covers my first two floors and the second zone is my third floor. When zone one is on and zone two is off, I am not… read more
Bart Jay
Bart Jay
Vocational, Technical or Trade Scho
my coleman heater is flashing code four which means limit switch
my coleman heater is flashing code four which means limit switch open . changed the botXXXXX XXXXXmit switch but it is still doing it . seems like squirrel cage is getting very hot.… read more
Heath Moyer
Heath Moyer
1,064 satisfied customers
I have a mi 90s comfort maker. sometimes when there is a call
I have a mi 90's comfort maker. sometimes when there is a call for heat it will go through it's cycle and when the burner kicks on it will fire for like 5-10 seconds then completely shut down. it wiil… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have a home hot water heating system divided into two zones.
I have a home hot water heating system divided into two zones. The system has a gas-fired boiler, one expansion tank and circulating pump for each zone. One zone works fine. The other, which includes … read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Hi. I have a Trane XL80 gas furnace. It stays on for less than
Hi. I have a Trane XL80 gas furnace. It stays on for less than 10 seconds. I have had 2(!!!) techs out today and have replaced the circuit board and gas valve. I am out a lot of money and STILL have n… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
I have 2 AC Zones. The bedrooms are on the second floor and
I have 2 AC Zones. The bedrooms are on the second floor and use zone 1. The kitchen and living room are on the third floor and use zone 2. Can I just run zone 1 and leave the windows open on the third… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 satisfied customers
In my duplex condo I have a rheem clasic 90 plus furnace. There
In my duplex condo I have a rheem clasic 90 plus furnace. There is always a difference in tempature between the first and second floors. There are high ceilings in the main room (24ft) and all the hea… read more
Tom Goellner
Tom Goellner
owner
Vocational, Technical or Trade Scho
1,639 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

10,114 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