HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
NEED FEATURES FOR TRANE XR12 HEAT PUMP. HOW MANY HEAT
NEED FEATURES FOR TRANE XR12 HEAT PUMP. HOW MANY HEAT STAGES … read more
Cliff
Cliff
HVAC Manager
Associate of Applied Science
356 satisfied customers
We have an intertherm furnace and the aux heat button keeps
we have an intertherm furnace and the aux heat button keeps coming on. we have set about 62 degrees … read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
1,518 satisfied customers
Need to verify my nest is wired correctly...don't seem to be
Need to verify my nest is wired correctly...don't seem to be getting any heat. Can I somehow send a pic of it to show how i have wires connected?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,198 satisfied customers
I have a new trane heat pump installed this summer, we made
I have a new trane heat pump installed this summer, we made modifications to the air handler, did not install the heat strips, instead I took the old core ( forced hot air, water, oil ), and installed… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,198 satisfied customers
I have a 2 stage split system heat pump with electric
I have a 2 stage split system heat pump with electric emergency heat. They are both Nordyne. The outdoor model is JT4BF-048KA. The indoor model is B4VM-X48K-C. I want to connect a Gen 3 Nest thermosta… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,590 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
can york heat strip 6HK06501006 or 6HK16501306 be installed
can york heat strip 6HK06501006 or 6HK16501306 be installed in AHV air handler to allow 2 stages of heat. approx 50% for aux heat and remainder for emerg heat?… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,590 satisfied customers
Hi, My Heil 4 ton heat pump periodically engages heat strips
Hi, My Heil 4 ton heat pump periodically engages heat strips for no discernible reason. example scenario: 60 degree outside temp, freon level/pressure verified to be correct, thermostat room temp 65, … read more
Douglas
Douglas
HVAC Technician
Vocational, Technical or Trade Scho
3,115 satisfied customers
I have a Bard furnace with heat pump and AC unit and bought
I have a Bard furnace with heat pump and AC unit and bought a Honeywell RTH7500 Thermomstat. I need a wiring schematic for hooking up the thermostat… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,590 satisfied customers
Installing a digital thermostat. Need help with the wiring!
I am installing a honeywell digital thermostat (Model RTH7500) and the old wiring is an eight wire configuration. The wiring diagram does not correspond with the old wiring. I have a Black=B, White=W2… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,198 satisfied customers
Hi, I have a Honeywell TH3210D1004 0745 with a Trane
Hi, I have a Honeywell TH3210D1004 0745 with a Trane air handler M# 4TEC3F42C1000 AA and Trane Heat Pump M# 4TWR3042A 1000 AA, Living in Jacksonville FL where it has been cold lately. The Aux heat on … read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have a relatively new Heil FSM2x4200a 3.5 ton Heat pump and
I have a relatively new Heil FSM2x4200a 3.5 ton Heat pump and the blower hardly ever shuts off even while on Emergency heat. Just moved here so not sure that is normal?? House does stay warm though. A… read more
ComfortZone
ComfortZone
Associate Degree
515 satisfied customers
i install a 15 seer ht pump with 10 kw elec ht ruud split
i install a 15 seer ht pump with 10 kw elec ht ruud split system d cond unit has a purple low voltage wire going to (d) defrost circuit what is this hook up to… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
The heat strips never come on unless the set temp is
Richard, the heat strips never come on unless the set temp is advanced at least 2 deg. F. above the room temp. There is no first and second stage heat . The compressor is the only heat available, and … read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have a Trane 21/2 ton Model 2wcc39A. When the heat comes
I have a Trane 21/2 ton Model 2wcc39A. When the heat comes on it stays on heat for about 30 sec. then flashes and switch over to Aux. Heat. It never did this before. The fan is on Auto and the outside… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have 2 Trane 19lxi communicating units. 3 ton and 2.5 ton.
I have 2 Trane 19lxi communicating units. 3 ton and 2.5 ton. The stage1 heat only blows 80 degree air at any outside air temp. Stage 2 will blow 100 degree air but only cycles in for a few minutes at … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,411 satisfied customers
I have a Lennox Elite series thermostat with a heat pump. The
I have a Lennox Elite series thermostat with a heat pump. The heat pump operates until the temp reads below 40 degrees. that is too low, when the outside temp is 40-43 degrees the house won't heat up … read more
BARRY
BARRY
owner
Associate Degree
56 satisfied customers
I have a Payne HP and air handler with 3 stages of aux heat
I have a Payne HP and air handler with 3 stages of aux heat along with the two outside thermostats, 1 is set for 30 degreess the 2nd at 25 degrees I understand Stage 1 is the heat pump. I want to know… read more
hvacmrfixit
hvacmrfixit
disabled
Vocational, Technical or Trade Scho
118 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