Connect one-on-one with a HVAC technician who will answer your question
Expert avatar
Brian HVAC Guy, HVAC Technician
1,029 satisfied customers
I have been an HVAC/R mechanic/technician for 30+ years.
Pearl avatar
Pearl Wilson, Assistant
2 HVAC Technicians are Online Now

Have HVAC repair questions?

Verified HVAC technicians are available around the clock and ready to answer your question online or by phone. 
Related HVAC questions
I have Lennox Merit series furnace & it's not working. I
Second opinion] Hi, I have Lennox Merit series furnace & it's not working. I noticed the AC is not turning on and the thermostat display is blank. I opened the furnace & the LED light on the control b… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
13,614 satisfied customers
Communicate top of line heating and cooling system. The
Amanda communicate top of line heating and cooling system. The system is 10 years old. Ask a company to fix the system. Was told ComfortNet thermostat was bad, So thermostat was replaced with a new di… read more
Michael Ferryman
Michael Ferryman
1,273 satisfied customers
I'd like to permanently disable resistive heating, so
I'd like to permanently disable resistive heating, so there's no issues with connecting my Rheem hybrid water heater to my backup battery. I know I can run the water heater in "eco" mode, but I don't … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
13,614 satisfied customers
I don't have any hot water. Weil-mclain ultra gas fired
Its about 7 years old and I don't see any blinking lights or codes … read more
Michael Ferryman
Michael Ferryman
1,273 satisfied customers
Burners. Air temp 42113c1421. 1 month
burners JA: What's the brand and model of your HVAC unit? How old is it? Customer: air temp 42113c1421 JA: How long has this been going on? What have you tried so far? Customer: 1 month JA: Is there a… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
13,614 satisfied customers
I have Lennox Merit series furnace & it's not working. I
Hi, I have Lennox Merit series furnace & it's not working. I noticed the AC is not turning on and the thermostat display is blank. I opened the furnace & the LED light on the control board is off. I c… read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,827 satisfied customers
I would like to know the specific steps to change a sight
I would like to know the specific steps to change a sight glass on a refrigeration system … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
13,614 satisfied customers
My mom's windos unit is a Friedrich and won't turn on and it
My mom's windos unit is a Friedrich and won't turn on and it is showing an Lock. … read more
Michael Ferryman
Michael Ferryman
1,273 satisfied customers
Importanc of condenser matching my coil for the ac system.
Importanc of condenser matching my coil for the ac system … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
13,614 satisfied customers
I can't get it to just hold. I don't want all the fancy
I can't get it to just hold. I don't want all the fancy stuff, just hold on one temperature … read more
Michael Ferryman
Michael Ferryman
1,273 satisfied customers
I need to reset my Siemens Rev16 heater. We have just moved
we have just moved into a new house so I'm not sure … read more
James
James
Bachelor of Science Honours
1,300 satisfied customers
I have a hot water. The boiler is on there is oil but the
I have a hot water. The boiler is on there is oil but the belt to pump the think the oil is not turning? what should zi do. … read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,827 satisfied customers
Can not get dial to turn to pilot for lighting. Therm
Can not get dial to turn to pilot for lighting. JA: What's the brand and model of your HVAC unit? How old is it? Customer: therm prog50-38mrh60 JA: How long has this been going on? What have you tried… read more
Tamar D
Tamar D
Mechanic II
Vocational, Technical or Trade School
4,033 satisfied customers
What is Braemar central heating "fault 37" Braemar model
about a week tried to reset it but it gives fault 37 … read more
Michael Ferryman
Michael Ferryman
1,273 satisfied customers
Billy. It's Chicago. Hope you are well. Got a problem.
Hi Billy. It's Chicago Dave. Hope you are well. Got a problem. Customer has Bryant furnace Model #340MAV060120 with a constantly running blower motor. Only way to shut it off is to cut power to furnac… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
15,918 satisfied customers
Need the thermal coupling part number C10A-86-3. Rennie
Need the thermal coupling part number C10A-86-3 JA: Who makes your appliance? How old is it? Customer: Rennie 10yrs JA: How long has this been going on? What have you tried so far? Customer: Last summ… read more
ScottJ39
ScottJ39
HVAC Lead Residential Installer
High School Diploma
17 satisfied customers
My gas heater doesn't seem to recognise the temperature and
Second opinion] My gas heater doesn't seem to recognise the temperature and runs at full blast all the time, making it too hot. Even when I set it to low … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
13,614 satisfied customers
I have an Armstrong V Tech 80 furnice. The fan to blow air
I have an Armstrong V Tech 80 furnice. The fan to blow air into the house stopped working. I replaced it, but it still doesn't work. … read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
15,918 satisfied customers

How to get help with HVAC questions


Some examples of customer concerns addressed by the HVAC Experts on JustAnswer include:


  • Why does my furnace not kick on when the thermostat is set to a temperature above the ambient temperature of the room?
  • What would you suggest as a replacement brand and tonnage for my York heat pump’s outside unit?
  • My Bryant 90 Plus furnace is not heating. The exhaust fan comes on and goes off, but the furnace does not ignite.
  • How do I remove a thermostat schedule and return it to manual mode?

Before reaching out for HVAC assistance, be prepare to answer these questions:


  • What are the issues you’re experiencing
  • Have you confirmed that the fault isn’t in your thermostat settings?
  • Have you changed your filters recently?
  • Do you intend to do the job yourself?

Keeping these questions in mind will save you valuable time as you seek the resolution you need.