HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
The furnace repairman just went through everything on my.
The furnace repairman just went through everything on my … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,662 satisfied customers
What is the part number for the flame sensor in a cx34 36b 6
What is the part number for the flame sensor in a cx34 36b 6 f 2 model furnace … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,662 satisfied customers
Uud, Ruud furnace installed about 4 yrs ago. About every 2
Ruud furnace installed about 4 yrs ago. About every 2 wks. it refuses to light (pilot light) . I had a repair man out & he didn't know what to do. Is it a sensor? … read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
1,709 satisfied customers
On a Amer Std Freedom 90. Problems with fan overrunning.
on a Amer Std Freedom 90. Problems with fan overrunning. have tried new thermostat and red lite shows constant red blink … not interrupted. … read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
1,709 satisfied customers
I have a lennox electric heat pump. The system kept blowing
I have a lennox electric heat pump. The system kept blowing the 3 amp fuse in the air handler in the attic. I had a professional service come out to fix and they informed me that there is a short in t… read more
Appliance Guru
Appliance Guru
22,035 satisfied customers
Honeywell true steam 512w working fine days then stopped
Honeywell true steam 512w working fine for 30 days then stopped no errors, fan running, call for humidity, ready light on, humidifying light off. Not draining, tank is full. Unplug and plug back in an… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,496 satisfied customers
I have a Goodman AC and gas heater unit and it keeps blowing
I have a Goodman AC and gas heater unit and it keeps blowing the 3 amp fuse on the circuit board after running for a couple of hours.… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,697 satisfied customers
I have a Heil model n9mp1075b12c2 and every 4 days the primary
I have a Heil model n9mp1075b12c2 and every 4 days the primary of the 24 volt ac transformer opens up and we have to replace it. The fuse on the control board calls for a 5 amp which wont blow but I t… read more
servtech50
servtech50
HVAC/R service tech
296 satisfied customers
My Ruud Furnace(achiever 90 Plus) keeps blowing the 3 amp fuse
My Ruud Furnace(achiever 90 Plus) keeps blowing the 3 amp fuse on the IFC circuit board. History; AC went down, replaced said fuse and unit worked again for a few days, then the fuse failed again. Now… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,496 satisfied customers
I have a Fujitsu AOT/CDS36 Air Conditioner system. The unit
I have a Fujitsu AOT/CDS36 Air Conditioner system. The unit stopped running and was displaying 'E3:00'. After waiting a day to see if it would correct itself, I turned the power off to the unit for a … read more
jrloar
jrloar
Master HVAC Tech.
Associate Degree
220 satisfied customers
What is the difference between A TIME DELAY FUSE and a REGULAR
What is the difference between A TIME DELAY FUSE and a REGULAR FUSE, and what effect if any does a time delay fuse have on the operation of a hi efficiency furnace? My 5 yr old Amana was running fine … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,450 satisfied customers
I have a furnace / ac with a White-Rodgers 50A55-486 control
I have a furnace / ac with a White-Rodgers 50A55-486 control board. In the past, I've had intermittent problems with the control board fuse blowing. It happened pretty consistently at one point last y… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,697 satisfied customers
My office Carrier Rooftop 48TJF008 has started blowing the
My office Carrier Rooftop 48TJF008 has started blowing the 5 amp control board fuse(looks like an auto fuse). Everything seems to operate fine after replacing but blows again within a day. Any ideas?… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have a Trane XL1100 heat pump manufactured 10/92. The fan
I have a Trane XL1100 heat pump manufactured 10/92. The fan that circulates air into the house is not working although the unit is running. Is there a fuse or breaker on the unit that could be blown o… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,697 satisfied customers
I have a 6 zone 24 volt heating system 5 are taco and 1 is
I have a 6 zone 24 volt heating system 5 are taco and 1 is honeywell. They had all been opeating correctly for several years with one 24 volt transformer. The transformers recently blew so I put in tw… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
My Burnham Oil Burner is only 4 yrs. old. I woke this morning
My Burnham Oil Burner is only 4 yrs. old. I woke this morning and it was 60 degrees in the house. Turned up the thermostat which was already set at 65. Furnace did not kick on. Waited for about 15 min… read more
Rick
Rick
Supervisor
29,864 satisfied customers
We have an lennox LGA102SH1J unit on our roof. Were having
We have an lennox LGA102SH1J unit on our roof. Were having a problem where the the blower will run but blow in cold air when set to heat. It doesn't happen every time. The exhaust fan turns on, the ga… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,496 satisfied customers
hello we have a carrier furnace modele 58 PAV. Intenitently
hello we have a carrier furnace modele 58 PAV. Intenitently the fuse on the control board blows, and the system generates error code 24, We have check for loose wires and obvious sources of shorts and… read more
coolman1973
coolman1973
AC/Heat Tech
Vocational, Technical or Trade Scho
162 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

8,697 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.

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

A-1 Tech

A-1 Tech

Service Manager

526 satisfied customers

I have been in the HVAC business for over 40 years.

< 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