HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
A Rheem performance tankless water heater was installed and
a Rheem performance tankless water heater was installed and the water does not get very hot, breaker is working was checked water come out just over warm not hot turned up temp. still not hot … read more
Mike R.
Mike R.
3,008 satisfied customers
Have a rheem tankless water heater. This morning noticed no
Hi, have a rheem tankless water heater. This morning noticed no hot water after big thunder storm. Checked remote and no power. Checked breaker and 110 to unit and have power. Found 2 3amp fuses blown… read more
Mike R.
Mike R.
3,008 satisfied customers
I installed a Rheem RTEX 18 as point source heater in my
I installed a Rheem RTEX 18 as point source heater in my master bath. At low flow such as 1 sink the lights in the room flicker. At high demand such as sink and shower it is fine. The flicker is sligh… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a Rheem ECOH200DV tankless water heater. A couple of
Hello I have a Rheem ECOH200DV tankless water heater. A couple of days ago it wasn't working and i found the two 3amp fuses blown. I replaced them, and they blew immediately when I plugged the power b… read more
Daniel
Daniel
Bachelor's Degree
367 satisfied customers
My water heater (30-gallon, gas) has reached the end of its
Hello, My water heater (30-gallon, gas) has reached the end of its useful life. I'm considering my options, but I have a fairly specific situation. My partner and I live in a loft-style condo in San F… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
My Paloma "Main remote control UMC117" (after 30 seconds of
My Paloma "Main remote control UMC117" (after 30 seconds of plugging in) is flashing "76". The on/off button doesn't respond, when pressed (no lights), nor do the up/down buttons. Do I need to replace… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
We bought a house 8 months ago that came equipped with a
We bought a house 8 months ago that came equipped with a Noritz tankless water heater. It is either a Model NR98-SV or a NR98-OD. I believe it is gas fired. This morning the remote control panel sudde… read more
Mike R.
Mike R.
3,008 satisfied customers
switching over from a thermo-flow everhot 30 gallon booster
switching over from a thermo-flow everhot 30 gallon booster to a new rheem 30 gallon tankless booster. Where do the wires from the immersion aquastat go to on the new unit?… read more
Rick
Rick
Supervisor
24,947 satisfied customers
We have a Rheem / Paloma RTG-74PVN-2 tankless Gas water heater
We have a Rheem / Paloma RTG-74PVN-2 tankless Gas water heater that will NOT heat after a major neighborhood power outage. The circuit is fine. We've unplugged it and plugged it back in, even tried a … read more
ApplianceTech
ApplianceTech
President
Associate Degree
1,735 satisfied customers
We have no hot water. My wife noticed a C7 code. I shut down
We have no hot water. My wife noticed a C7 code. I shut down the unit by unpluging the cord. I waited 5 minutes and I now have a 76 code. The code is on for a few seconds then temp indicates 120 and u… read more
hvacexpertjoe
hvacexpertjoe
Electronics Technician
Vocational, Technical or Trade Scho
183 satisfied customers
I have a Geothermal heating system in my house. The system
I have a Geothermal heating system in my house. The system works fine, however when I put it in last year, I had an oil fired how water heater(already installed) and planned to use it for Emergency he… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Hello, I just installed my tankless water heater, gas,
Hello, I just installed my tankless water heater, gas, water, elect, all is connected. Water is flowing through the tankless water heater, gas is supplied. When I power it up, and press the 'temp up' … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a Noritz tankless water heater. The serial number is
I have a Noritz tankless water heater. The serial number is XXXXX 03 - 00565. The power at my house went on and off 3 times in a row last now. Now, for some reason, I have no hot water. I tried turnin… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a loundromat and planning to install tankless heater(s). 1.How
I have a loundromat and planning to install tankless heater(s). 1.How should I know how many I need? 2.What brand you recomend for comercial application? 3.Is that possible to connect my heater what n… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Hi, I have a American Standard Arcoliner Furnace. It currently
Hi, I have a American Standard Arcoliner Furnace. It currently has a Tankless Heater Installed in the Furnace (Bolted attachment). It works but I will be adding a seperate Hot Water Heater (Gas). Yes,… read more
Rick
Rick
Supervisor
24,947 satisfied customers
My son has an old home. The water is heated for home use in
My son has an old home. The water is heated for home use in the oil furnace. I'm sure the heater is a tankless, coiled heater. It is terrible, either scalding water or too cold. To keep a steady strea… read more
Rick
Rick
Supervisor
24,947 satisfied customers
I have a water Heater and early today lost water to our area
I have a water Heater and early today lost water to our area because a water maine had broke now we dont have hot water is there something that can be done to reset it or is there anything else wrong … read more
Heath
Heath
Vocational, Technical or Trade Scho
1,027 satisfied customers
Having new heating system put in. Now have electric baseboard,
Having new heating system put in. Now have electric baseboard, and freestanding electric water heater, and annual costs are a killer. Natural gas not available, so I will be having an oil fired system… read more
Rick
Rick
Supervisor
24,947 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

7,791 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