HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
I have a 4 ton heat pump. It only draws 13 amps when
I have a 4 ton heat pump. It only draws 13 amps when running. It has a 50 amp breaker. I want to install a 30 amp breaker to establish that a 3600 watt portable generator could handle the heat pump. (… read more
Daniel Plourde
Daniel Plourde
plumbing, hvac technichian
Vocational, Technical or Trade School
559 satisfied customers
I have a Rudd achiever 90 plus furnace and I lost power. I
I have a Rudd achiever 90 plus furnace and I lost power. I have my honda 6500 w generator hooked up and it will not run the furnace for more than 2-3 mins before tuning off. Why? Do I need an inverter… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,801 satisfied customers
Subject: Model A30-10, Serial 9908448568 (1999) Residential
Subject: Model A30-10, Serial(###) ###-####(1999) Residential Furnace. Beginning 2014 season, sometimes as frequent as daily, thermostat will call for cooling and expansion valve would open, frosting … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,801 satisfied customers
I have a champion 2000 watt inverter generator and a lennox
I have a champion 2000 watt inverter generator and a lennox G40UH furnace. I cannot get the furnace to run on the generator. My generator is hooked up directly to the furnace with an extension cord. I… read more
AssuredElectrical
AssuredElectrical
Electrical Contractor
High School or GED
3,844 satisfied customers
Regan last year I used a honda 300i inverter to try to
Regan last year I used a honda 300i inverter to try to run my goodman bt 100 gas furnace but burned up circut board… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,801 satisfied customers
I have a buderus 115 with 2105 logamatic controls. What auxiliary
I have a buderus 115 with 2105 logamatic controls. What auxiliary (generated) power supply is safe for me to run this system from?… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
Is it possible to run my Trane XE 60 furnace during a power
Is it possible to run my Trane XE 60 furnace during a power outage with my backup generator?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,305 satisfied customers
WHEN THE ELECTRICITY GOES OFF LEAVING MY 6 YOUNG CHILDREN WITH
WHEN THE ELECTRICITY GOES OFF LEAVING MY 6 YOUNG CHILDREN WITH NO HEATING OFTEN IN THE HEART OF WINTER IS THERE ANY WAY I CAN START MY GAS BOILER AGAIN TO TEMPORARILY GIVE ME MY HEATING BACK UNTIL THE… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
Hi,My question may require the expertise of someone with
Hi, My question may require the expertise of someone with automotive A/C experience as well. A few years ago, I spoke with an RV-er who planned to extend his truck's air-conditioning system into his t… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
I have a Lennox G71MPP Furnace. I am getting set up for
I have a Lennox G71MPP Furnace. I am getting set up for using a portable generator. Some lennox dealers say I can get a genset with auto voltage regulation and install a "Line Voltage Filter" and be f… read more
hvacexpertjoe
hvacexpertjoe
Electronics Technician
Vocational, Technical or Trade Scho
186 satisfied customers
how many watts/amps does it take to start up a v unit,? also
how many watts/amps does it take to start up a v unit,? also does it have to be pure sine or can i get away with modified sine… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
I am going to get a standby generator to use when my elecric
I am going to get a standby generator to use when my elecric go's off. I would like to know what size to get. Out side unit is Mod-38tra048330 s/n 3096e02164 Inside unit 58zav What KW gen set will i n… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,305 satisfied customers
Hello, I have a few apartments that are using Goodman
Hello, I have a few apartments that are using Goodman A32-10 Air Handler Units and Recent Models of Goodman Air Compressors for air conditioning and heating. I'm attempting to calculate how much energ… read more
N4IEA
N4IEA
Customer Service
Associate Degree
227 satisfied customers
I have a lennox furnace and I am trying to run on a Honda 2000
I have a lennox furnace and I am trying to run on a Honda 2000 watt generator. I can operate the fan on manual but nothing works on auto setting. The generator has a floating neutral which may mean it… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,305 satisfied customers
I have a EB15b with 2 circuits. I want to get a backup generator.
I have a EB15b with 2 circuits. I want to get a backup generator. Is it possible to get some heat from one circuit or do I need both? In either case how much power is sufficent?… read more
Doug Scott
Doug Scott
Owner/Service Technician
Bachelor's Degree
42 satisfied customers
I am adding a generator transfer switch to my circuit breaker
I am adding a generator transfer switch to my circuit breaker panel to enable furnace operation via generator during power outages. What is the MAXIMUM wattage usage of a Lennox furnace Model G61MPV-3… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
I have 3 taco pumps (one at my outdoor wood boiler and 1 for
I have 3 taco pumps (one at my outdoor wood boiler and 1 for each of my 2 zones inside). I am looking at buying a Honda 2000 watt generator. Could it handle these 3 pumps?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,305 satisfied customers
I have a Lennox furnace that is currently being ran with a
I have a Lennox furnace that is currently being ran with a home generator at 118 volts. What is the minimum voltage required for the furnace? I am concerned the unit is not being supplied with the pro… read more
Bill
Bill
High School or GED
318 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