HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I have a boiler that's maybe 20 years old. It made loud
I have a boiler that's maybe 20 years old. It made loud whining noises last night and the "purge" indicator (red light) was on for awhile. Now it's off. Because it's Saturday I don't want to call the … read more
Rick
Rick
HVAC Supervisor
25,134 satisfied customers
I love 1 kil meter away from a factory that has a boiler put
I love 1 kil meter away from a factory that has a boiler put in, they do run it on 100 per cent, it is so loud at night, it is a factory that make pigmentation for paint, I need to know the reading wh… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
we also have a Navien Combi boiler that whistles CH-180 ASME. We have not been able to
Hi we also have a Navien Combi boiler that whistles CH-180 ASME. We have not been able to get our HVAC person to return to see what the problem is and Navien said to contact another technician. I am t… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I just bought a home with a Weil-Mclain boiler. I have no
I just bought a home with a Weil-Mclain boiler. I have no experience with boilers. The boiler has been turned on recently because of a cold snap in my area. However, if I do not keep the thermostat se… read more
Rick
Rick
HVAC Supervisor
25,134 satisfied customers
We live in northern MN and our heat is controlled at times.
We live in northern MN and our heat is controlled at times. Last night when our heat pump (Trane) was running we smelled very strong odor like hot electrical or burnt plastic. We have backup heat (gas… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Why is my boiler making banging noises when it is heating?
My boiler occasionally makes a loud banging noise. Pressure is constant at about 16-18 psi. When heating cycle begins, water temperature is about 172-175 degrees. While heating, water is being circula… read more
Rick
Rick
HVAC Supervisor
25,134 satisfied customers
My heat pump modle G8H140421AC MAKES SO MUCH NOISE IT KEEPS
My heat pump modle G8H140421AC MAKES SO MUCH NOISE IT KEEPS THEM AWAKE HERE IS APORTION OF THEIR E-MAIL appreciate you mentioning your concern about the noise from the HVAC unit. It wouldn't be such a… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I live in the Central Florida area and I have a Carrier Heat
I live in the Central Florida area and I have a Carrier Heat Pump system. We recently entered into a time of year when the thermostat will not turn the system on as frequently as it normally does in t… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
Hello! We have a 17 year old Vaillant 100,000 BTU floor mounted
Hello! We have a 17 year old Vaillant 100,000 BTU floor mounted boiler. Model GA92. For the past 3 months it has been making what sounds like "popping" noises almost constantly when the furnace is run… read more
Rick
Rick
HVAC Supervisor
25,134 satisfied customers
I think my boiler may have been affected by the cold last night.
I think my boiler may have been affected by the cold last night. Sound of running water in boiler and pipes, pressure turned to 1.5. Outside, the vent is making a gurgling noise and eventually when th… read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
871 satisfied customers
We have a new ultimate hot water oil furnace that periodically
We have a new ultimate hot water oil furnace that periodically goes on and off for 3 to 5 seconds at a time. Seems to do this more often at night than in the day time. At night we turn the thermostat … read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Purchased a Carrier residential system in June 2010 - the Performance
Purchased a Carrier residential system in June 2010 - the Performance Series electric heat pump and the infinity Series furnace and from the beginning it would make a loud noise as it turned on - soun… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
In January 2005 I had a new Potterton Kingfisher MF CFL 100
In January 2005 I had a new Potterton Kingfisher MF CFL 100 boiler fitted and it has worked well summer & winter since then except as follows. Two winters ago during the very cold weather it cut out b… read more
HVACsince1981
HVACsince1981
10 satisfied customers
Hello, I have a wall heater that is really loud when it turns
Hello, I have a wall heater that is really loud when it turns off. i know the metal expands and contracts as it cools down. However, this one is louder than any other one i have experienced. It wakes … read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Our boiler is wall mounted in our garage and cased within a
Our boiler is wall mounted in our garage and cased within a cupboard. When the temperature drops to freezing our frost stat kicks in and overrides the heating controls, waking us in the middle of the … read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
871 satisfied customers
I have a 90i gas furnace and the strangest has started to happen
I have a 90i gas furnace and the strangest has started to happen in the last two weeks or so.Whenever the furnace and fan start up, I hear a radio station coming from the furnace not blaring but enoug… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
We recently had two Honeywell CM901 thermostats fitted. One
We recently had two Honeywell CM901 thermostats fitted. One on the landing upstairs and the other in the entrance hall. They work well but the problem is that they frequently make a loud "click" from … read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 satisfied customers
I recently bought a house in Southern NJ with a 2-year old
I recently bought a house in Southern NJ with a 2-year old Payne PH13NR Heat Pump. We recently had a major snowstorm with 24 degree temps. The compressor became coated solid with ice. At 1PM that same… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 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