HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
Is this free advice or a fee to pay? Where's the next page?
Yes, I had a professional company install but they can't get unit going in ac mode, blaming tstat … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,289 satisfied customers
Wyhen in heat mode...aux on keeps showing up even when
wyhen in heat mode...aux on keeps showing up even when outdoor temp is in 50s...why?? … read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
772 satisfied customers
I have a Carrier FV4B 2-stage HP, but I cannot get it to work
I have a Carrier FV4B 2-stage HP, but I cannot get it to work correctly with the new Carrier Cor thermostat. The HP works fine with a basic honeywell thermostat.… read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
772 satisfied customers
I have a asz160361a amana heat pump (2 stage...ithink). I
I have a asz160361a amana heat pump (2 stage...ithink). I now have a Honeywell rth6500wf thermostat. On the unit lvjb I have r, w2, o, y1 (purple), c, y2 (yellow). I have terminals for each color on t… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,774 satisfied customers
I have a Bryant through the wall heat pump installed in my
I have a Bryant through the wall heat pump installed in my condo, (circa very early 90's). I am replacing the current thermostat with a new Lutron HVAC controller. The old thermostat had the following… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,774 satisfied customers
The problem is with a Lennox Heat pump. Unit continues to
The problem is with a Lennox Heat pump. Unit continues to run even after reaching the thermostat set point. I can manually lower the thermostat and the unit shuts off, but once it starts again, it con… read more
Douglas
Douglas
HVAC Technician
3,115 satisfied customers
I have a Lennox XP 19 heat pump and a CBX32MV air handler.
I have a Lennox XP 19 heat pump and a CBX32MV air handler. It is only producing warm air of about 68 degrees at the register nearest to the air handler. Also, it runs continusly. The aux heat comes on… read more
joeydelia
joeydelia
HVAC-R Tech supermarket refrigeration
182 satisfied customers
Is a Trane Model #BWV718A100E0 Electric Furnace compatible
Is a Trane Model #BWV718A100E0 Electric Furnace compatible with a Thermal Zone TZPA-318-2A757 Heat Pump?… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,416 satisfied customers
Two years ago I purchased a 5 ton York Affinity 2 stage compressor/variable
Two years ago I purchased a 5 ton York Affinity 2 stage compressor/variable speed blower Heat pump and AC unit. Heat strips were also installed to defrost the coils in cold weather. Since then I have … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,774 satisfied customers
Trane XR-12 Heat pump blows the 5amp control fuse when switched
Trane XR-12 Heat pump blows the 5amp control fuse when switched to the heater mode, works fine in AC mode, what would cause this.… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have an Amana single stage heat pump with an Amana (AEPF)
I have an Amana single stage heat pump with an Amana (AEPF) air handler with aux heat (15 KW) controlled by a Honeywell VisionPro 8000 (TH8321U). The AEPF is capable of 2 stage heat, which gives me 3 … read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
what is the proper setting for extra cold weather heat or
what is the proper setting for extra cold weather: heat or emergency heat? currently set on heat but system is running very long without stops. 17 degrees outside… read more
Douglas
Douglas
HVAC Technician
3,115 satisfied customers
I have a RHEEM model # RPNE-048JAZ unit with a Honeywell model
I have a RHEEM model # XXXXX unit with a Honeywell model TH3210D1004 thermostat. I am replacing it with a Hunter 44360 thermostat. The old wiring to the Honeywell is: *Brown wire - to C (24V common) *… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,416 satisfied customers
I have a Trane model TDE100A845A1 gas furnace and a Trane Heat
I have a Trane model TDE100A845A1 gas furnace and a Trane Heat pump. We have to turn the t-stat up to where the blue light (aux heat) comes on to get a call for heat and a normal cycle. If we raise th… read more
Bill P.
Bill P.
Installer/ Troubleshooter/Technician
338 satisfied customers
Looks like previous owner wired the Honeywell RTH3100C incorrectl
Looks like previous owner wired the Honeywell RTH3100C incorrectly. In Heat Mode (electric EB15B) neither of the two heating elements (4.8Kw and 9.6 Kw) are enegergised) but the heat pump is running w… read more
Douglas
Douglas
HVAC Technician
3,115 satisfied customers
My Carrier Air V Heat Pump while on heat, starts blowing heat
My Carrier Air V Heat Pump while on heat, starts blowing heat but after 4or 5 hours in 50 degree F slowly starts blowing cooler and cooler air, does not turn off and turn on furnance?… read more
Andrew
Andrew
Master's Degree
37 satisfied customers
i have a 5 wire system with aux heat. i connected w y g b and
i have a 5 wire system with aux heat. i connected w y g b and rc rh jump. the ac works, but heat does not… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
When using a heat pump in heat mode and the outside
when using a heat pump in heat mode and the outside temperature is low to the point the heat pump has to constantly reverse into defrost mode. At that point in time is it more efficient to just go str… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,289 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

8,427 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