HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
Woke up the AM and found the temp in house was 57. No flame
woke up the AM and found the temp in house was 57. No flame in the boiler. A couple of very unusual water drips that have not occurred before. Not sure what to do. … read more
Tamar D
Tamar D
Mechanic II
Vocational, Technical or Trade School
4,001 satisfied customers
Have a Hydrotherm Gas boiler used for heating only to my
Hi, Have a Hydrotherm Gas boiler used for heating only to my parents home. There are 3 zones, 3 circulator pumps, 3 zone relays and 3 thermostats one to each zone. The boiler is original (1975) and wo… read more
HishamA1119
HishamA1119
Master Technician
Bachelor's Degree
92 satisfied customers
Having problems with a Crown Gas Boiler. Pilot is lit but
Hi having problems with a Crown Gas Boiler. Pilot is lit but when circulator kicks in to satisfy water heater and the water temperature drops the main burner does not light. … read more
Rick
Rick
HVAC Supervisor
34,039 satisfied customers
I have a crown oil boiler. 5 days. All the aquastat does is
all the aquastat does is click nothing else turns on… read more
Rick
Rick
HVAC Supervisor
34,039 satisfied customers
How do I relight a pilot light on a R-300B boiler? What could
How do I relight a pilot light on a R-300B boiler? What could have caused the pilot to go out?… read more
Rick
Rick
HVAC Supervisor
34,039 satisfied customers
I have a Honeywell Aquastat L4006 installed on a Crown Mega-Stor
I have a Honeywell Aquastat L4006 installed on a Crown Mega-Stor "MS" Stainless Steel Indirect Water Heater. Hot water source is a Crown CT-5 Boiler installed at the same time as the indirect water he… read more
Rick
Rick
HVAC Supervisor
34,039 satisfied customers
I have a very old boiler in my cape which I cannot afford to
I have a very old boiler in my cape which I cannot afford to replace this year. The tankless was removed and an indirect water heater was plumbed as a zone. My house has one heating zone. I am replaci… read more
Rick
Rick
HVAC Supervisor
34,039 satisfied customers
I have a crown boiler with three zones. I set my thermostat
I have a crown boiler with three zones. I set my thermostat in all 3 zones to come on but i am getting no heat. I have a Taco SR 503 switching relay and none of the lights are coming on. The Boiler on… read more
Rick
Rick
HVAC Supervisor
34,039 satisfied customers
I have a hot water circulating system. Installed a new Crown
I have a hot water circulating system. Installed a new Crown boiler with L8148E 1257 aquastat two years ago. I also have 4 circulating pumps. I just relaced the old relays the 3 (type RA832A ) that we… read more
Rick
Rick
HVAC Supervisor
34,039 satisfied customers
I have a Crown boiler with a honeywell L8124a,c aquastat with
I have a Crown boiler with a honeywell L8124a,c aquastat with a tankless coil. Every couple of days the water gets cold. If I turn power to the boiler off then on again I hear a relay click and the bu… read more
Rick Mather
Rick Mather
HVAC Tech
Vocational, Technical or Trade Scho
3,631 satisfied customers
I am not getting hot water, it is warm, though. I have a Superstor
I am not getting hot water, it is warm, though. I have a Superstor SSU-45 with the temp set to 140 degrees. I have a Weil McClain (sp) gold series with a Honeywell Aquastat relay L8148a set to 200 deg… read more
Rick
Rick
HVAC Supervisor
34,039 satisfied customers
boiler starts for a few minutes then stops, pipes either side
boiler starts for a few minutes then stops, pipes either side of pump hot but rads not heating up, any idea why? I cannot hear the pump running.… read more
Rick Ridley
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
I have a Buderus indirect water heater (ST-150 / 1 year old).
I have a Buderus indirect water heater (ST-150 / 1 year old). Just had the buderus boiler tuned up (mainly a check and a filter). I am experiencing intermittent hot water issues where I'll be the 2nd … read more
Rick
Rick
HVAC Supervisor
34,039 satisfied customers
I have a Burnham Independence, gas fired steam boiler, with
I have a Burnham Independence, gas fired steam boiler, with EZSQ Control. This unit has 2 zones, one steam for the upper floor, and a second hot water circulation loop, for the basement. The boiler is… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
15,902 satisfied customers
I have a weil mcclain he-4 boiler furnace and when it cycles
I have a weil mcclain he-4 boiler furnace and when it cycles on the gas valve not all of the burner tubes light every time. It often short cycles not maintaining an even temperature.… read more
Rick
Rick
HVAC Supervisor
34,039 satisfied customers
Gas boiler, water. Pilot is lit. Electric is good. Thermostat
Gas boiler, water. Pilot is lit. Electric is good. Thermostat is not clicking and the boiler is not firing.… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
15,902 satisfied customers
I have an oil fired boiler and a oil fired hot water heater
I have an oil fired boiler and a oil fired hot water heater on the same oil line. the problem is when the boiler is running and the hot water calls for heat ( burner starts)it goes out on reset (water… read more
Rick
Rick
HVAC Supervisor
34,039 satisfied customers
The boiler does not come on immediately when one raises the
The boiler does not come on immediately when one raises the heat setting on the thermostat as it has in the past. It may come on in as little as 40 minutes or as long as several hours.… read more
Rick
Rick
HVAC Supervisor
34,039 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:

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.

Jerry

Jerry

Service Technician

576 satisfied customers

HVAC Technician. Hearth Products Specialty

A-1 Tech

A-1 Tech

Service Manager

526 satisfied customers

I have been in the HVAC business for over 40 years.

Thehvacguy

Thehvacguy

LIC HVAC,Plumber

426 satisfied customers

Certified HVAC Universal Technician,Lic plumbing contractor, 28 yrs exp

Drcool

Drcool

HVAC Technician

264 satisfied customers

i have been an A/C tech for the past 30 Years. working on window types, split type, and package

N4IEA

N4IEA

NATE Certified; HVAC Technician

227 satisfied customers

Retired, HVAC / Electrical Technician / Contractor 35-years Experience.

< 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