HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
Trying to use a new T6 Pro thermostat as the Master Zone
Trying to use a new T6 Pro thermostat as the Master Zone stat with an old MM2 Mini Zone Panel. Was hoping that I could create O & B Changeover at the panel using a relay N.O & N.C. & controlling the c… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
I have a pair of Trane TUD100C936BO that are twinned with
I have a pair of Trane TUD100C936BO that are twinned with the Trane factory kit. This causes the fan to start without delay, blowing cold are for first 10 seconds. If I wire with relays can I delay th… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,963 satisfied customers
I have a new rheem furnace and a HC-TST412MDMS thermostat but
I have a new rheem furnace and a HC-TST412MDMS thermostat but I have a York Heat pump so heating cools and cooling heats the B termanal is energised in heat and my unit is energised in cool so you see… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
With the help of an HVAC friend I recently installed a WM GGi-8.
With the help of an HVAC friend I recently installed a WM GGi-8. To date he hasn't heard back from WM as to appropriate wiring for use with an indirect water heater, domestic priority. There are separ… read more
Rick
Rick
HVAC Supervisor
25,737 satisfied customers
Hi, I have a new heat pump (this summer, replacing a cooling
Hi, I have a new heat pump (this summer, replacing a cooling only unit. I seem to have wiring only for cooling (2 wires). Is there a wireless kit or similar to use the heat pump? I can't pull addition… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,963 satisfied customers
How do I install a Venstar t5800 to control a swamp cooler
How do I install a Venstar t5800 to control a swamp cooler and a gas furnace? I currently have 2 thermostats to control them seperately.… read more
V12Tech
V12Tech
252 satisfied customers
I have an a/c air handler (in the attic) and a furnace (in
I have an a/c air handler (in the attic) and a furnace (in the basement). On my thermostat two green wires are attached to the screw marked 'G', one for the a/c and one for the furnace fan relay. When… read more
V12Tech
V12Tech
252 satisfied customers
I have a Taco sr506 zone controller controlling 4 circulator
I have a Taco sr506 zone controller controlling 4 circulator pumps. I am installing a Honeywell hz432 zone zontroller so that I can use 4 wireless tstats. Where do I attach the 2 wires coming off the … read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
I am looking for a Honeywell Digital Wireless Thermostat with
I am looking for a Honeywell Digital Wireless Thermostat with relay compatible with a new heating/air conditioning unit for my apartment. It's manufactured by International Environmental Corp. Model #… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
I have a SFP humidifier on my Carrier furnace and bought a
I have a SFP humidifier on my Carrier furnace and bought a LFP humidifier to replace it as I need more humidity in my home. When I unpacked the new LFP it had a warning not to wire the HUM terminal di… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,963 satisfied customers
I have a similar question. I have a traditional gas furnace,
I have a similar question. I have a traditional gas furnace, but I also have a wood stove. I mostly heat the house with the wood stove and use the furnace as a backup. When the wood stove is burning, … read more
Rick
Rick
HVAC Supervisor
25,737 satisfied customers
I have a boiler system with Aquastat L8124A,C relay and three
I have a boiler system with Aquastat L8124A,C relay and three Taco zone valves. There is a circulator pump at the boiler. One zone is radiator and controled by stand alone thermostat and water pushed … read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Hi, I have just had a Day and Night 95% 2-Stage, Variable speed
Hi, I have just had a Day and Night 95% 2-Stage, Variable speed furnace installed. I am using a Emerson blue touch screen Stat, which controls humidity and temp. I also bought a Honeywell Tru Steam hu… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
My furnace does not go on. The green LED on my furnace (or
My furnace does not go on. The green LED on my furnace (or to be precise, the panel in front of the turbine) is on and there is a slight high-pitched sound that I do not remember from last year, altho… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
Hi....I have a 5 zone radiant heated slab in my apartment ....we
Hi....I have a 5 zone radiant heated slab in my apartment ....we have a wall mounted Purepro themostat which controls the whole room .....We would like to install themostats in the floor for better co… read more
Rick
Rick
HVAC Supervisor
25,737 satisfied customers
I have a 6 ton Envision Water Furnace. I have 3 zones each
I have a 6 ton Envision Water Furnace. I have 3 zones each with a basic thermostat. I recently had a failure with one of my pumps and was on resistive heating for a month and only realized there was a… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
we are installing vantage control thermostats and they have
we are installing vantage control thermostats and they have a single connection for 24v and a common to power the stat. thing is on this job we have a radiant heating system and a seperate hvac system… read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
768 satisfied customers
I have an TRANE XL15i air heat pump with a 19. kilowatt electric
I have an TRANE XL15i air heat pump with a 19. kilowatt electric backup. The problem I am having is when the unit goes below -17c the fans remains running at a regular speed even when the house temp. … read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 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

7,634 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