HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
Coupe questions: 1) We have preventative maintenance
Coupe questions: 1) We have preventative maintenance contracts in place... We recently sent techs out to these sites and it was determined that they were 7lbs short of freon (almost empty I guess) but… read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,082 satisfied customers
Window unit ac compressor runs for a minute then shuts off
window unit ac compressor runs for a minute then shuts off for five minutes then repeats cycle. if selected cooling temperature is warmer then the air temperature in the room the ac will not try to co… read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,082 satisfied customers
I want a digital line voltage thermostat for cooling only to
I want a digital line voltage thermostat for cooling only to control a duct fan used in a solar atrium. The 120V fan should come on when the temperature exceeds set point (e.g. 80 deg F) and stay on u… read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,082 satisfied customers
Panasonic 36PEF1U6 31,200 BTU multi Zone Mini-Split
Panasonic 36PEF1U6 31,200 BTU multi Zone Mini-Split Concealed (4) Duct Heat Pump & Air Conditioner New install, blower fan runs continuously in either mode, outdoor unit cycles properly upon reaching … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,554 satisfied customers
I have an older Carrier Comfort Zone system running 4 zones.
I have an older Carrier Comfort Zone system running 4 zones. Do you know what type of sensor is inside the remote temperature sensor, Part Number 920077? Is it a thermocouple, RTD, or something else?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,554 satisfied customers
I have a brand new Amana PTH123G50AXXXAA in our new sunroom.
I have a brand new Amana PTH123G50AXXXAA in our new sunroom. The outside temperature has been in the upper teens and low twenties. When I set the thermostat to 67 degrees, it cycles reasonably; howeve… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,118 satisfied customers
On a wall mounted Heller (or similar) ceramic heater with
On a wall mounted Heller (or similar) ceramic heater with digital display and remote control when the power is turned off at the power point is the previous setting resumed when power is turned back o… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,554 satisfied customers
What is the best way to determine a TXVs performance and superheat? I
What is the best way to determine a TXV's performance and superheat? I recently had a unit converted from a piston to a TXV (it's a R410A system) for more efficiency and the unit has about a 40 foot l… read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,082 satisfied customers
Buderus with Ecomatic control head has issues with Aqua stat
I have just bought a house. We have a Buderus G224 with an Ecomatic 2105 control head. The house has 5 hot water radiator zones and one forced hot air system. The forced hot air takes water from one o… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
I have a heatpump that go from heat mode to cool mode back
I have a heatpump that go from heat mode to cool mode back and forward it stay inheat for about 20mins and then go off and go in cool for about 3 mins… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,460 satisfied customers
E2 code comes on and stays on also the back light stays on,
E2 code comes on and stays on also the back light stays on, I have tried to turn the circuit breaker off and restart, the panel won't let me do anything… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
1. An air-conditioning systems automatic controller might
1. An air-conditioning system's automatic controller might directly control the A. motor of a large condenser fan. B. thermostat's setpoint temperature. C. conversion of pneumatic energy to hydraulic … read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,082 satisfied customers
I have an fcm090 forced hw heater, about 2 yrs old. getting
I have an fcm090 forced hw heater, about 2 yrs old. getting error code 9 and b flashing (b 25) - soft lockout. Any ideas? Thanks.… read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,082 satisfied customers
HI i have a cooling problem. we have the carrier ac, duct system.
HI i have a cooling problem. we have the carrier ac, duct system. we live in a hot country, in dubai, where the temperature outside in the evening is probably 35 degrees. in our main bedroom, i put th… read more
Mr. Jeff Pearson
Mr. Jeff Pearson
Refrigeration Systems
Associate Degree
155 satisfied customers
Is this true or not true about air conditioners. The temperature
Is this true or not true about air conditioners. The temperature of the air coming from the output vent, is not always the same temperature that the thermostat is set at, because an air conditioner ac… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,554 satisfied customers
I have a Danesmoor Utility 20/25 boiler. boiler operates normally
I have a Danesmoor Utility 20/25 boiler. boiler operates normally for approx 20 to 25 mins then heating switches off and can only be reset by switching off main switch at programmer and leaving off fo… read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,082 satisfied customers
Hi, we have a panasonic 6hp reverse cycle fully ducted with
Hi, we have a panasonic 6hp reverse cycle fully ducted with zone motors its just gone 2 years old, it stoppped working so they replaced a sensor, found a gas leak, re gas the air con... and now it is … read more
Heath Moyer
Heath Moyer
1,071 satisfied customers
I have a forced hot air, gas fired furnace controlled by an
I have a forced hot air, gas fired furnace controlled by an analog thermostat, like the one posted on your web-page. When I set the temperature above what the room is at expecting the heater to come o… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 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:

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.

Jerry

Jerry

Service Technician

505 satisfied customers

HVAC Technician. Hearth Products Specialty

< 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