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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22 views

Wifi thermostat to replace old mechanical 2-wire 110V Honeywell?

I have hydronic baseboard heating in my house, which is controlled by an old mechanical Honeywell thermostat. The Honeywell is 110V and connected with 2 wires (black/red). There is a bare ground wire ...
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2answers
55 views

What is causing leak at my boiler through pressure relief valve?

Recently my boiler is leaking periodically through the pressure relief valve. I replaced with a new pressure relief valve. Still leaking so I hired a plumber he said my expansion tank is filled with ...
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Downstairs WC cold - Extractor or windows?

I have a new build and of course there will be a few niggles here and there, however one of the biggest gripes is that the downstairs WC (toilet) feels chilly when compared with the hallway just the ...
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1answer
43 views

Would it be dangerous to tap an existing flame sensor circuit to create a common connection for my thermostat?

I'm considering using this answer to connect a common wire to my thermostat. I have the exact same setup, and have verified with my multimiter that the red T terminal outside F terminal beeps, while ...
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1answer
15 views

Heating pump/Refrigerator - calculate efficiency [closed]

I'm wondering how I can calculate the overall thermal efficiency of my heating/refrigerator pump. Actually I have this AC/heating pump unit from Samsung (P/N: AR09TXFYBWKNEE) I've placed a power meter ...
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1answer
44 views

Saving energy with wall-mounted boiler and radiators

I have a wall-mounted gas boiler and four radiators around the house in different rooms and locations, and the thermostat is in the living room. I wonder should I close all radiators except the one in ...
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2answers
33 views

Underfloor heating in bathroom Floor not heating

Pipes in screed osb board over it and floor is tiled .Tiles’s not heating up great any ideas
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7answers
7k views

Why is my house energy efficient only in winter?

My electric utility company sent me a graph of my home's electricity usage over time as shown in the picture below. My home beats what the company considers as efficient homes in the neighborhood when ...
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1answer
47 views

Using water cooler for CNC laser as residential heat pump

I want to save money on heating bills. Residential heat pump systems cost thousands of dollars, which I can't afford. I am considering using a heat pump marketed to chill water for cooling CNC lasers (...
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1answer
24 views

Nest thermostat issue - only blows hot air if heat is on and fan is forced on. No air circulation with heat only

A few months ago I installed a nest thermostat and everything worked fine. I ended up giving that one away and installed another one A few days ago. It worked for one day and then it stopped heating. ...
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1answer
86 views

Why are my heat radiators only partially heated?

We moved in to a house around 6 months ago. I noticed that our radiators were not getting too hot so went ahead and bled them. I managed to eventually get water out of most of them however a couple of ...
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20 views

Only unit in condo building with water hammer

This exchange is always helpful. I read a similar post for some ideas, but this situation is slightly different. I have hydronic baseboard heating with a common boiler in the garage under the building....
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1answer
60 views

Can I run a 9KW sauna heater on 8AWG wire with 40A breaker

I am looking forward to purchasing a sauna heater and the one I like is 9KW. Under 240V the amperage will be 37.5A. The heater is about 10 feet away from the electric panel. I already have the wire ...
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1answer
19 views

Vapour barrier for insulated, occasionally-heated Toronto shed?

I'm building an 8x12 garden shed in Toronto Canada (cold winters, fairly hot & humid summers). 2x4 construction, exterior Tyvek wrap, hardie siding onto studs, roof is metal standing seam over OSB ...
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1answer
77 views

Correct wiring for second thermostat

In a previous question on here I was trying to figure out why my basement radiators weren't working. With everyone's help I was able to figure out that the zone valve on the pipe which came from the ...
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Very old Coleman gas wall mounted furnace

The control dial (Lo, 1, 2, 3, etc.) no longer seems to be working. Furnace is either up all the way or I can turn it off. No medium range. Pilot stays lit. Thank you for any suggestions. Diane
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1answer
39 views

Single pipe steam radiator barely heats up - is there a way to flush/unclog it without taking it apart?

I am renting this apartment, so i rather keep the Work as less invasive as possible. I have several single pipe steam radiators (could as well be the cast iron type). One of the radiators heats up at ...
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1answer
29 views

Back of wall mounted electric fireplace gets hot

on the heating element. Is there a heat barrier I can place on the wall or the heating element of the fireplace? I'm a bit nervous to have the hot area right up against the drywall.
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36 views

How to weather seal uneven garage door?

This is the garage door (at my business) and it is not seal from outside. No weather strip present. How do I suppose to seal it with this weather strip though? There will be gaps due to the pattern ...
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5answers
3k views

How can I protect a frozen heat pump in cold weather while waiting for service?

Yesterday I noticed that my Carrier heat pump was struggling to keep up with my thermostat settings inside the house. It was around 35°F (2°C) outside, I had the thermostat set at 72°F (22°C), but the ...
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2answers
2k views

(When) Does room messiness affect water heater efficiency?

I have what I think of as a "standard US electric standby water heater." I will update this when I know the model; I am out of town right now. It is located in a cold, cluttered closet in a ...
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1answer
93 views

Oil radiator making sparks

My oil-filled radiator emits sparks when the thermostat switches off. A loud click can be heard (this, I’ve seen, is normal) but when the room is dark I can see a spark through the slits in the casing ...
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2answers
83 views

DIY Heat Treating Home For Bugs - Danger To My Gas Pipe?

Actual Question: My apartment has a gas line that is used for my oven and I'm wondering if anything needs to be done with that before I can heat treat my apartment. The apartments temperature will be ...
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25 views

Where to replace heat return vent

I live in a 12,00 sqare foot ranch. The furnace is in the basement but both return registers are on the main floor right opposite each other in the main hallway. I'm remodeling my main bathroom. The ...
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1answer
53 views

HVAC - noisy preheat

When the heat comes on I hear a noticeably loud whirring sound in the beginning. It only lasts for a couple minutes and then quiets down while the fan continues to blow heat throughout the home. I ...
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0answers
32 views

Gas wall Heating

I have a gas wall heater that only heats one side.it is ductless & forced air out of the one side. How do (or can) I convert it so that it heats both? Or possibly a vent kit that divert heat to ...
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2answers
120 views

Most efficient heating system @ ~41° N

I'm researching building a home on a property I just bought. Water is plentiful but there is little or no chance of getting municipal services such as natural gas or electricity. However I have open ...
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47 views

Need to affix an outdoor boiler to an external wall that has started to come away

I have a situation where an existing boiler that was fixed to an external weatherboard wall has started to come loose. The weatherboard had some dry-wall or something affixed first to which the ...
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3answers
85 views

Do Low-E window films help with winter heat insulation?

We are experiencing cold winters. Just curious if window Low-E tinting (or others options) on actual windows help with heat insulation or if it's just a gimmick. I am referring to actual film (seen ...
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0answers
20 views

How to calculate heat loss for sizing of supplemental heat source?

If a home uses a supplemental heat source such as electric baseboard or hydronic panel radiators to raise the room temperature by 10 degrees, how do you calculate the BTUs required in a given room? I ...
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1answer
66 views

Heat pump does not seem efficient - is it because long regrigerent line?

I recently installed a multi split heat pump (air conditioner). One of the indoor units work pretty fine, the line set is about 8meters. The other unit, which is supposed to be even stronger but has a ...
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67 views

Servicing my furnace

So every year I would have a technician come out and service our furnace. I'm not sure what all it entails to service our furnace, aside from changing the filter, but last year I learned quite a bit ...
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0answers
8 views

Can I hook a c wire adapter to this configuration of a Weil McLain CGa-4-SPDN boiler?

The control panel has: a G hook up (wire to thermostat) a R hook up (other thermostat wire) a W hook up nothing to it a C hook up that has a good number of wires running to it. Can I add another ...
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1answer
41 views

When changing your air filter, what is important to check?

I'm defenitely way past the point where I have to replace my filter. The size and shape of the filter is, obviously, something that needs to be the same as the old filter, but except that, is there ...
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38 views

Cracked heat exchanger or bad inducer motor causing pressure switch stuck open?

15 year old York GY9S furnace won't fire due to pressure switch stuck open. It has two pressure switches. One switch connects to the collector box & is set to close at -.40 inH20. I got -2.20+/- ...
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25 views

Heat issue. Only heating with hot water running

Why would I only be getting heat when calling for hot water. When just calling for just heat I get nothing. Boiler wont fire. Run the hot water and boiler fires right up and radiators heat. This is a ...
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0answers
31 views

How to get good HVAC quotes?

My natural gas furnace and air conditioner are 20 years old. I plan to gather quotes to replace them both. What do I need to do so that I get good quotes? I've heard HVAC contractors talk in an online ...
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1answer
50 views

Window Insulation Kit, how much temperature increase?

I am looking to buy a window insulation kit. How much temperature increase would it cause? I live in an area where it goes 45 degrees Fahrenheit during the winters. https://www.amazon.com/3M-Indoor-...
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0answers
25 views

TH232 thermostat appears to reset every time I press any button

I have my underfloor heating set on a program timer, but wanted to change this for the winter. However, any time I press ANY button, the screen lights up as it should, but then goes blank and resets, ...
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1answer
52 views

Moving heat from a 1st floor wood stove to the basement

I have a new woodburning stove on the 1st floor of my home and would like to maximize the distribution of the heat. I wondered if I installed a fan similar to an exhaust fan behind the woodstove using ...
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1answer
41 views

Only one zone heating in a two-zone hot water based heating system (oil)

I have two zones in my oil heating system, down and up -stairs with two separate thermostats one circulator and two zone valves. For some reason the downstairs zone works perfectly well, but the ...
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1answer
75 views

Inducer motor turns off immediately after the pressure switch closes

My furnace is not working properly (ICM2805A control board, or Nordyne 624631A). When I turn it on, the inducer motor will start spinning and shut down immediately, the board will reset, and try again ...
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1answer
59 views

One bedroom in a heating zone hotter than others

I have a total of three zones for heat in my house. I have oil heat. There is a zone for my hot water tank, a zone for the living room, family room, kitchen/dining and a zone for the three bedrooms ...
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1answer
17 views

Criterion 2 electronic ignition 3 rd burner not lighting

On my furnace all sequences run thru fine but occasionally the first burner ignites the second takes off but the third doesn’t what could this be
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3answers
139 views

Water comes out too hot from the tap, even after putting the kettle to the lowest setting

I've followed this YouTube video for my kettle (a Nefit EcomLine) and set the tap dial to it's lowest setting. Als the other settings in case you may wonder. But the water still comes almost boiling ...
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1answer
55 views

floor heating from the basement ceiling

After I installed my mini split with a heat pump in my city rowhouse in the Midlantic region last winter, I noticed that the hot air from the wall mounted heads were not warming the floor on the first ...
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1answer
35 views

An issue with Installing C connector to the Weil McLain boiler

I'm trying to install a C connector to my Weil McLain boiler. The C connector instruction seems simple. Just connect all Ws to Ws, and Rs to Rs as the picture below. but the wiring in my boiler seems ...
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5answers
102 views

How to balance hot-water heating system when farthest radiator stays cold

Is there a counterpart to the advice given in this video except for late 1940s-era convector-style radiators which do not have a valve on their return and have only an air-bleed-valve? Basically a ...
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1answer
108 views

Wiring 240V two-element outdoor heaters

I installed an electric heater over my covered deck last year. My intention was to design and install a system that complied with NEC and would pass an inspection. I initially installed a single ...
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1answer
50 views

Electrical panel requirements for in-floor heating?

I have the unenviable task of replacing a floor (or three) in my home in the coming weeks/months. We are considering a mix of tile and solid hardwood. It appears that it is possible to retrofit in-...

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