HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
Hi, my bar pressure has gome up to 4. It comes down if i run
Hi, my bar pressure has gome up to 4. It comes down if i run the cold taps or drain a radiator but goes straight back up when the tap is turned off. help ! Thanks helen… read more
Andrew Smith
Andrew Smith
General Manager
Vocational, Technical or Trade Scho
3,001 satisfied customers
I have a vokera compact 28 boiler. Every 4 -5 months the bolier
I have a vokera compact 28 boiler. Every 4 -5 months the bolier pressure increases and bypasses the overflow valve. I have warranty insurance and Vokera replace the heat exchanger and the boiler is OK… read more
Tim H.
Tim H.
HVAC Professional
Vocational, Technical or Trade Scho
3,972 satisfied customers
Hello. I have a 20+ year old Kingfisher 2 cf180 boiler running
Hello. I have a 20+ year old Kingfisher 2 cf180 boiler running an aproximately 70 year old pipe installation heating system in a 450 year old manor house. The boiler has a slow leak. I've been told I … read more
ClimateCreator
ClimateCreator
Service Manager
49 satisfied customers
the pressure on our Vaillant Eco-Tec plus612 is at 0.7bar,
the pressure on our Vaillant Eco-Tec plus612 is at 0.7bar, so we have no hot water. The manual we have tells us we can only start the appliance up again when the heating system is sufficiently filled … read more
Andrew Smith
Andrew Smith
General Manager
Vocational, Technical or Trade Scho
3,001 satisfied customers
I have a Potterton Suprima boiler- 5 years old. The boiler
I have a Potterton Suprima boiler- 5 years old. The boiler seems to work well (and the pump)but when operating - the central heating water circulates through the overflow pipe into the small topup hea… read more
Andrew Smith
Andrew Smith
General Manager
Vocational, Technical or Trade Scho
3,001 satisfied customers
My central heating boiler will not heat water only. Even when
My central heating boiler will not heat water only. Even when the thermostat is at 0 the radiators are really hot. Please can you suggest what the problem may be. Thanks.… read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
871 satisfied customers
Hi Vokera Linear 28 losing Boiler Pressure. Professionally
Hi Vokera Linear 28 losing Boiler Pressure. Professionally installed 2002 and maintained annually. 1) Pressure keeps dropping below 1.5 and gets down to zero and has to be re-pressurised. System only … read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
871 satisfied customers
Help my Vokera combi boiler has stopped working the light is
Help my Vokera combi boiler has stopped working the light is flashing red and it says d1 where the temperature is usually displayed, I have filled the water level up but it still won't work, any other… read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
871 satisfied customers
We like to sleep in a cool bedroom and use to turn the thermostat
We like to sleep in a cool bedroom and use to turn the thermostat down to 62 at night. We installed a Knight Lochinvar boiler heating system. When we turn the thermostat down at night it takes 7 to 9 … read more
Rick
Rick
Supervisor
25,609 satisfied customers
I have a Vokera 20-80 R.S flowmatic, today I noticed that one
I have a Vokera 20-80 R.S flowmatic, today I noticed that one of my radiators was cold and the rest hot, so I decided to bleed the radiator. I expected the pressure to drop, especially as there was al… read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
871 satisfied customers
I have a Grant 50/70 outdoor module. About 5-10 minutes after
I have a Grant 50/70 outdoor module. About 5-10 minutes after the boiler switches off the hot water in the boiler circuit vents out through the overflow. The thermostat has been replaced but the fault… read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
871 satisfied customers
I can not find the anything on my hot water radiators that
I can not find the anything on my hot water radiators that resembles a shut off valve. Each radiator appears to have its own supply and drain line branching off of a larger diameter (~2") supply and d… read more
Rick
Rick
Supervisor
25,609 satisfied customers
the red light on my boiler keeps coming on and when pressed
the red light on my boiler keeps coming on and when pressed it fires up and then switches back off the red light normally comes on if i run out of gas i pay my gas by a meter card there is gas in the … read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
871 satisfied customers
i have a back boiler and i drained the system to fix a leaking
i have a back boiler and i drained the system to fix a leaking pipe on my radiator ive put the water back on and bled the radiators till they went hot then after 5 mins all the radiators went cold and… read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
871 satisfied customers
Hi i have drained my boiler and radiators for my pre winter
Hi i have drained my boiler and radiators for my pre winter check however i cannot get the boiler to fill and start again. any advice? its a vokera. cheers steve.… read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
871 satisfied customers
Have Warmflo oil burner (on 22mm plastic after copper start)
Have Warmflo oil burner (on 22mm plastic after copper start) which has been blowing holes in the return feed pipe about a metre from boiler. I thought it was the freezing temp causing it but its still… read more
Master tech
Master tech
High School or GED
62 satisfied customers
Hi my boiler has no pressure. Theres only a couple of valves
Hi my boiler has no pressure. Theres only a couple of valves in the airing cupboard. one of the valves is on a pipe that connects to the tank. Another valve stops water coming out of the tap in the up… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a Lennox GWB8-140E Boiler. In one of the zones, the
I have a Lennox GWB8-140E Boiler. In one of the zones, the piping goes to an old humidifier to supply heat to the humidifier. The valve to supply the heat on to the humidifier is now leaking the hot b… read more
coolman1973
coolman1973
AC/Heat Tech
Vocational, Technical or Trade Scho
162 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