HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
My HVAC until does heat - went from to 72 in about 20
My HVAC until does heat - went from 69 to 72 in about 20 minutes. However, when I turn on the cool, I get lukewarm air coming out of the vents. When I check the coils behind my filter in the HVAC they… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
My furnace is making hot water but will not turn on for
my furnace is making hot water but will not turn on for heat. heat pump is on but furnace not starting for heat … read more
Rick
Rick
Supervisor
24,965 satisfied customers
Furnace and fan are operating but the air conditioner won't
Furnace and fan are operating but the air conditioner won't come on … read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,029 satisfied customers
Have a model#AZ38H15DABM1 Zoneline heat pump. Serial
Have a model#AZ38H15DABM1 Zoneline heat pump. Serial #GL369853. Plug heated,so we shut down. Pulled the plug and one connector is black and the base around it appears melted/black. Do you think I shou… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
Heat pump on cooling cycle states "System malfunction - call
Heat pump on cooling cycle states "System malfunction - call technician". It's the weekend and it's hot. Can I fix or override? … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
I had an F-14 reading and just reset the heater. Seems to have
I had an F-14 reading and just reset the heater. Seems to have fixed the problem for now. Should I have a service representative check out the furnace?My representative retired. Do you have a reliable… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
When i was replacing filter on my heating pump the unit now
When i was replacing filter on my heating pump the unit now will not start … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
I have a York Stellar Plus model # p2udd12no7601c furnace.
I have a York Stellar Plus model # ***** furnace. Two weeks ago, it wasn't working, basic checks revealed crumbled hot surface igniter and blown fuse @ side switch. New fuse and igniter fixed for abou… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
Tst411mdms thermostat displays very low or -- no inside
Tst411mdms thermostat displays very low or -- no inside temp, so won't turn on AC. Assuming the thermostat is bad, can it be temporarily bypassed. Also, since 411s aren't available anymore, are 412s a… read more
Appliance Guru
Appliance Guru
18,660 satisfied customers
I have a GE Zoneline 3100 16"x 42" AC unit. It is similar to
I have a GE Zoneline 3100 16"x 42" AC unit. It is similar to the ones in motel rooms. It is 18 years old. It has quit cooling. The fan blows hot air. The compressor comes on and cuts off. It does not … read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,029 satisfied customers
My heat pump style AC/Heat was not working (AC might have worked)
My heat pump style AC/Heat was not working (AC might have worked) But Heat Would not turn on. I replaced the thermostat with a new Honeywell unit. The wires from the old thermostat carry the following… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
I have a geothermal system in my home. Its a climate master
I have a geothermal system in my home. It's a climate master tranquility Split system open loop I have very hard rusty water The installer recommended this system even though I have the hard water Obv… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
Furnace blowing cold air with a burnt plastic smell. Why?
A couple of nights ago, I smelt a "burnt plastic smell" coming from my furnace. I called a local HVAC repair man. He couldn't find anything wrong. The smell went away, the furnace appeared to be worki… read more
MagiicAir
MagiicAir
HVAC Service Supervisor
Vocational, Technical or Trade Scho
110 satisfied customers
I have a gibson heat pump, and i powered off the switch outside,
I have a gibson heat pump, and i powered off the switch outside, and i am sure i then powered it back on, it's the on/off switch that has a metal bar going across it, with on and off written on the to… read more
Mr. Jeff Pearson
Mr. Jeff Pearson
Refrigeration Systems
Associate Degree
155 satisfied customers
For an 1800 square foot house in Houston, what size furnace
For an 1800 square foot house in Houston, what size furnace (BTU capacity) do you recommend? Thanks, John PS: what do think about the reliability of ECM/VS blowers?… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
I have a TRANE XR90 HVAC unit. The unit turns on and off about
I have a TRANE XR90 HVAC unit. The unit turns on and off about three to five times before it seems like it catches for good and runs a normal heating cycle. The temperature in the house is good, it is… read more
Jim Eastwood
Jim Eastwood
Lead service
High School or GED
100 satisfied customers
We installed a programmable thermostat earlier this year and
We installed a programmable thermostat earlier this year and now our heat pump doesn't seem to be coming on like it should, yet on the thermostat it is showing the heat being on. Our electric bill has… read more
JBM HVAC
JBM HVAC
HVAC/R Technician
Vocational, Technical or Trade Scho
50 satisfied customers
I have a GE Zoneline 2000 PTAC unit and hot air is no longer
I have a GE Zoneline 2000 PTAC unit and hot air is no longer coming from the unit. The A/C is working fine. I was told that the fuse might be blown and all i need to do is replace the fuse to get the … read more
Mr. Case
Mr. Case
Technician
High School or GED
2 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

7,634 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

1,029 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