Questions tagged [heating]

For general questions on heating in your home. Be sure to also include tags describing fuel source (electric-heat or gas), type of components, etc.

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27 views

Forced-air heater for old floor registers

I have an older home which used to be centrally heated by a furnace in the crawlspace, but has since been retrofitted with forced-air wall heaters: Some of the wall heaters are in inconvenient ...
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1answer
52 views

Half of furnace turned off?

I moved into this house about 10 years ago, I noticed on the furnace that one of the breakers for the electric coils is off with a note saying "Leave breaker off". After cleaning out the blower for ...
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1answer
86 views

Is there a more environmentally-friendly alternative to using oil to heat a house with oil heating installed?

I currently live in a house (in the UK) which is too remote to be connected to the mains gas supply, with an oil tank which is used for central heating. This is obviously not great for the environment,...
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2answers
61 views

How do I remove the head from this Giacomini TRV?

I'm unsure of how to remove the head of this old TRV. It looks like part of it has been removed already. I haven't tried removing or unscrewing anything yet.
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1answer
76 views

HVAC York diamond 80 furnace A/C

So I have a York diamond 80 furnace and the motherboard burned out so Lowe’s came and replaced it. I’ve been using the heater because it’s winter right now but the other day I accidentally hit the ...
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2answers
39 views

Blower Fan Comes on and runs cold air and then shuts off before the gas and heat actually come on

I noticed on our Carrier furnace that the blower motor and fan come on when the heat is called for like a minute, then it shuts completely off before the gas and heat and blower motor take off to heat ...
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0answers
10 views

Combi boiler pressure drop - even after expansion vessel has been emptied and recharged

Recently had an issue with my ~5 year old Baxi Platinum HE 24 combi boiler. Pressure had dropped and needed topping back up 3 times a day to retain pressure and not get any errors. Got a heating ...
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1answer
1k views

Are these red lights on my Honeywell HZ432 why my bedroom isn't blowing in heat?

I just moved into a new multi-family house with central heat/AC and the 3rd floor bedroom doesn't seem to warm up very well. When the thermostat is on, I don't feel hot air blowing in from the vents ...
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2answers
66 views

Crack in wall over heating duct

thanks in advance for any advice. We bought our 100-year-old house last summer, so this is our first winter in it. The walls are not insulated, so we can tell where the heat ducts run not only because ...
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32 views

Lennox G40UH furnace not turning on

With the lower panel door switch closed, the combustion air inducer comes on. It runs for a little while and then shuts down. Nothing happens in the meantime. The system was working fine until this ...
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1answer
154 views

Why doesn't one of my two baseboard heaters produce heat?

I have Federal Pacific baseboard heating in my bedroom. One will heat, the other one will not. The one that doesn’t heat has the control in it. What might be the problem? Also where is the ...
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3answers
40 views

Premium for heatpump inverter technology

My understanding is that a variable speed compressor permits greater efficiency and reduce wear & tear. Assume application is in Florida, not NYC. Is there a range for the cost premium for such ...
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1answer
38 views

Propane wall furnace not firing

I have a propane wall furnance that is'nt firing, the thermostat is not appearing to trigger the unit. The pilot is fine and the thermostat is a simple unpowered one with mercury that appears to be in ...
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11 views

Furnace will heat up to set temperature. Cycles off. Then won't restart once below the setting

So the furnace will be on for as long as it needs to get the temperature up to the set temperature (Has been going for 30 minutes now). It will then turn off, but won't turn back on when the ...
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26 views

Why would the Pilot on a natural gas fluctuates then goes out

Why would the pilot on a natural gas heater fluctuates and go out? It sometimes does not fluctuate and works for hours, then all of a sudden flame on pilot dwindles to a fine blue flame with no flame ...
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1answer
101 views

Can I leave my home's water shut off overnight without damaging the heaters?

We were trying to do a job ourselves and don't have what we need to finish installing a new vanity in the bathroom. Shut the water off to install new sink and now can't turn it back on because we don'...
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1answer
39 views

Intelligently Controlling 5 PTAC Units

I recently purchased a new apartment which comes with GE zoneline PTAC units that control both heating and air conditioning electrically. There are a total of 5 in my apartment, 1 for each bedroom and ...
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3answers
954 views

How to wire multiple 240V, 20A electrical baseboard heaters

I have two baseboard heaters to install on a 240V, 20A circuit. One heater is 1500w and the other is 2000w. From my panel, I leave the 20A breaker with 12/2 wire to reach the first baseboard. ...
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14 views

Multiple sources to turn on furnace fan

I am using multiple heat sources and would like to monitor the furnace duct and turn on the furnace fan if it becomes warm and the fan is not on. Since the thermostat or Fan Limit Control and the ...
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0answers
27 views

Vapor barrier/retarder requirements in San Jose, CA?

I am living in this old house that has attic insulation on one half of the house. I plan to insulate the remaining half of the house to get it warmer during the few winter months. We don't have Air ...
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242 views

How to stop the humming noise coming from my gas furnace when on Auto Heat?

My gas furnace makes a humming noise when on Auto Heat, like as if the blower motor or capacitor was bad. However, the blower turns on and sounds fine when thermostat is set to fan ON rather than ...
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1answer
33 views

What causes repeat trip of thermostat in dryer?

My dryer did not produce heat. After some online research, there was a solution that included pressing a small red reset button. I did this and the dryer worked for a while, but then the heat stopped. ...
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1answer
67 views

USA equivalent of European Lot 20 portable heater efficiency standard?

Lot 20 is a directive from the EU which relates to heating - all space heaters now have to comply with a minimum energy efficiency standard to reduce their consumption and emissions. Lot 20 is aimed ...
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25 views

Replacing Flame Sensor on Ruud Silhouette Furnace

I'm quite new when it comes to looking at furnaces. The furnace in my house recently started shutting off before getting to the temperature the thermostat is set to. Eventually we'd reset the whole ...
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3answers
60 views

Is there an advantage to a heater with a ceramic heating body?

My supermarket sells two heating-fans that look similar, but one of them costs twice as much as the other. The only difference I noticed is that the more expensive one says it has a "ceramic heating ...
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0answers
32 views

Four thermostats and three zone valves

I want to ask HVAC experts how to troubleshoot my floor heating system. I have a Lynx-85a boiler, pumping hot water into three zones, one per room and three zone valves. For some reason, original ...
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0answers
16 views

Valiant Boiler - 3 months old

In September I had a Valiant boiler fitted in my 2 bedroom house. It hasn’t worked properly ever since. Every time I put the heating on my pressure drops from 1.5 to 0.3 bars and I get the spanner ...
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1answer
231 views

Glow Worm Flexicom HX boiler F11, F22, F25 Error codes

This is less of a question, but more of a list of things we tried to stop the frequent F11, F22 and F25 error codes appearing on our Glow Worm Flexicom HX boiler which would stop it from functioning. ...
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4answers
183 views

Best Way to Heat a Ductless Multi-Level Home

I just bought a home and it desperately needs an update to its heating. It currently has baseboard electric resistance heaters in every room. There is no duct-work in the house. We're in cold humid ...
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1answer
2k views

Why does my furnace only work after power reset?

I’m having issues with my furnace sometimes not kicking on. I hear the furnace start, But then it will not fire. However, If I go down to the basement and flip the power switch off and on the ...
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2answers
57 views

Heated flooring under subfloor

I'm trying to make the best of a bad situation here. New (old) house + slow drain + airhead teenage daughter = flooded 2nd floor bathroom. It flooded so bad that the ceiling in my entryway ...
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2answers
59 views

Hot water (steam?) gas boiler not engaging burners, low pressure, sight glass full

At the beginning of the winter season my boiler wasn't turning on, but I got it to work by turning on the inlet valve and just letting it feed water until the gas burners kicked in. The sight glass ...
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2answers
272 views

Wiring garage heater to fit a NEMA 14-50 range plug

Living in an old farmhouse that's hard to heat, furnace quit this fall so I'm using a heat pump, space heater and electric dryer to keep the pipes/me from freezing. I'd like to use a 5000 watt 240v ...
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34 views

Bought a home, return air vents on ceiling have R19 insulation shoved in them?

Checking filters and seeing what needs to be replaced, I opened the return air grate on the ceiling and what I find inside is a hunk of R19 insulation. Seems it should be some proper return air filter ...
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2answers
691 views

How to Turn On a Wall Heater

There is this wall heater in my new apartment. This is the inside the panel. There is a hole in the middle. The bottom has a knob that only has "off" "high" and "low" modes. I cannot find ...
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1answer
51 views

banging sound from gas boiler

I have a dual-energy system set up like in figure 5/page 11 of this manual When the system switches to gas (at -12C outside temp), I'm getting a banging sound in the gas boiler at the end of the ...
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0answers
148 views

Do I need a sealant between inducer motor and flue transition on furnace?

I just replaced my inducer motor for my furnace, and have noticed there is hot gas that leaks between the flue transition and inducer motor. I can't remember what it did before the switch, but it ...
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1answer
74 views

Heating Split level

I'm surprised that I can't find more useful information on this. I have a split level home. Main floor contains living dining and kitchen. 8 stairs up to top level with 3 bedrooms and a bathroom. ...
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1answer
50 views

Why is my Heat Pump fan not turning in cold weather?

My heat comes on and you can hear the condenser unit come on as well. However the fan is not turning? The outside temp is 30 degrees? Is this normal? Can anyone share some wisdom on this? Thank ...
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1answer
11 views

Empire Heating System model FAW55IP

When the fan motor shuts off at the end of the cycle, in about 30 seconds the fan motor turns back on for 30 seconds and it does this 3 times before shutting off completely. Went thru troubleshooting ...
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2answers
90 views

Can I connect my two HVAC systems?

My house has two HVAC systems. One is in the attic and has supply and returns in the ceiling of the second floor. The other is in the basement with supply and returns at the floor of the first floor. ...
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0answers
28 views

Heating zone only partially working for gas boiler

I did all of these things: Checked the pressure and temperature, which looked OK Attempted to "purge" the area. The zone (let's call it Zone 2), was purged by opening the valve on the return. I had ...
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1answer
60 views

How much should I tighten the gauge on my heating oil tank?

Bought a new gauge for my heating oil tank because the previous owner installed one that was too short for the tank. The gauge came with a tiered fitting that is listed as a 1-1/2" & 2" Male NPT. ...
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2answers
42 views

Using a Radiator Space Heater to Support HVAC system

I'm looking for ways to heat my home up more efficiently. I live in a 1200 sqft home that sits on the first floor and partially in the ground. So, it gets pretty cold. I was thinking of getting a ...
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2answers
67 views

Stuck valve on heating system

I've just moved into a new house and the heating doesn't work, hot water isn't circulating. I've narrowed it down to a stuck valve on the inflow to the water pump, it seems that the valve is closed. ...
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1answer
89 views

Bubbles in water heater system

My heater stops pushing hot water through the heating loop. The symptoms can be addressed by bleeding the system which always produces a lot of air coming out. The heating works for about 24 hours ...
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1answer
96 views

Why is my thermostat turning the heat on too soon?

I have recently come across an issue with my thermostat and when and how my heat comes on. My thermostat seems to be an old round Honeywell. I set my temp at 65 typically. As of last night my ...
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1answer
114 views

furnace heating air inlet and outlet

I saw a diagram as below: I am confused with inlet air and outlet air. I think heating air should be all output from the vent port, why still need some inlet air? If I clogged the inlet air,what's ...
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0answers
32 views

Outdoor patio heater stops working after use

I bought one of those 8 foot patio heaters that use a 20 gallon propane tank to replace my old one. It will run fine for a couple of hours on a full tank and then behave like it is running out of gas....
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1answer
40 views

Heating system zone is too hot

One of the 4th zones on my heating systems is getting too hot true the return line making the room very hot and enableling the thermostat to do the job.