HVAC

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

Related HVAC Questions
My upstairs nest is not charging the battery. I have 2 zones
My upstairs nest is not charging the battery. I have 2 zones for heat. Downstairs nest controls heat only. Upstairs controls all cooling and upstairs heat. Rh has 24v, Rc only has 12v. Also, G, Y1, an… read more
Tamar D
Tamar D
Mechanic II
Vocational, Technical or Trade School
1,185 satisfied customers
I'm getting the nest.com/e24 error ( no power to Rh wire
I'm getting the nest.com/e24 error ( no power to Rh wire detected ).But with my multimeter, I measure 24-volts-ac between the Rh and C wires, which I think is what it should be.The condensate-pan unde… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,429 satisfied customers
I have an issue with new ecobee4. I cannot get the furnace
hi,I have an issue with new ecobee4. I cannot get the furnace fire when the heat kicks. The fan just runs. The old thermostat had a jumper, we have independent gas furnace and a/c the both use the air… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,390 satisfied customers
Is there a way to run my Lennox I-control system on a nest
Is there a way to run my Lennox I-control system on a nest thermostat. … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,097 satisfied customers
I have 2 nest thermostats. One upstairs the other down. The
I have 2 nest thermostats. One upstairs the other down. The downstairs thermostat which has been installed and working for over a year recently began showing code of e74 (no power to Rh) and would not… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,097 satisfied customers
I am a home owner. Replaced heating system in my house with
I am a home owner. Replaced heating system in my house with a hydro-air set up. I have Navien combo boiler/water heater that produces DHW and hot water for heat and First Co 24CLX-HW fan coil. Ductwor… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
Rick, I am having issues with a similar question you already
Hi Rick, I am having issues with a similar question you already answered in reference to installing a wifi Honeywell thermostat. This model is RTH6580WF, connecting to a gas fired heating boiler with … read more
Rick
Rick
Supervisor
28,721 satisfied customers
Trying to install a Nest Gen 3 thermostat. It will replace
Trying to install a Nest Gen 3 thermostat. It will replace the slave thermostat on a two-zone (two-damper) gas heat/cooling system using forced air. Both the master and slave thermostats hookup to a D… read more
Appliance Guru
Appliance Guru
21,435 satisfied customers
Can I connect both my old oil burner heating system (two
Can I connect both my old oil burner heating system (two wires, red + white) with my newer American Standard air conditioning system on a single Nest Thermostat?… read more
Daniel Plourde
Daniel Plourde
plumbing, hvac technichian
Vocational, Technical or Trade School
590 satisfied customers
Thanks! I'm trying to connect my old thermostat with a Nest
Thanks! I'm trying to connect my old thermostat with a Nest Thermostat and I'm getting mixed answers on my wiring. … read more
Daniel Plourde
Daniel Plourde
plumbing, hvac technichian
Vocational, Technical or Trade School
590 satisfied customers
I am having a voltage issue since hvac guy added a C-wire
Hi I am having a voltage issue since hvac guy added a C-wire from AC … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,390 satisfied customers
Trying to install a nest to a boiler that doesn't play nice
Customer: Trying to install a nest to a boiler that doesn't play nice with the power sharing. So trying to figure out proper wiring to power Nest from separate transformer. … read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,029 satisfied customers
I have a Lennox heat pump w/ electrical aux/emergency heat,
Hi there, I have a Lennox heat pump w/ electrical aux/emergency heat, approx. 6-7 years old (can get exact model # ***** I get home). I installed a Nest thermostat the same as the old one (R, C, G, Y,… read more
Appliance Guru
Appliance Guru
21,435 satisfied customers
I have a 3-ton model ESP-D Spacepak in a vintage condo.
Hi. I have a 3-ton model ESP-D Spacepak in a vintage condo. Heating is provided via steam heat and is controlled universally by the building. The thermostat is used for cooling only and I have a Nest … read more
Appliance Guru
Appliance Guru
21,435 satisfied customers
, I have a 2nd hand 1st generation NEST thermostat that I am trying to install. I'm
Hi, I have a 2nd hand 1st generation NEST thermostat that I am trying to install. I'm from Australia so we don't have the C wire but I have a 12volt AC or 24volt DC transformer to supply power. How do… read more
Christopher Comeau
Christopher Comeau
14 satisfied customers
Need help installing nest thermostat on goodman heat pump system
Need help installing nest thermostat on goodman heat pump system that is a out 10 years old. Nest ompatibility check says it won't work. Wondering if all wires that are hooked to old Tstat are being u… read more
Scott
Scott
Self Employed HVAC Service Technician
Associate Degree
401 satisfied customers
this is great that I found this site online. My friend works
this is great that I found this site online. My friend works for honeywell - but in space related stuff, not thermostats. Okay - So I love gadgets. I bought the Nest1. I took off my (honeywell, of cou… read more
warmneighbor
warmneighbor
owner
Vocational, Technical or Trade Scho
162 satisfied customers
I tried installing a NEST thermostat but it says that my Rc
I tried installing a NEST thermostat but it says that my Rc wire had no power. So I tried putting my old thermostat back in and now I can't get that one to power up. I've checked the fuse box to see i… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,429 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

HVAC Expert

10,502 satisfied customers

Certified Mechanical Engineer and HVAC Expert with 30 years of experience

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