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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Alternatives to forced hot air unit heaters?

The current heat source in the house a Cadet in wall unit heater in each room. They are really noisy and often emit this "iron left in one place too long" odor from (I presume) scorching dust. I've ...
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1answer
21 views

Connect 2 heating controllers to one boiler

I have 2 heating systems: Drayton Wiser with 2 zones (to use for radiators and hot water) Heatmiser UH8-RF (to use for 3 zoned underfloor heating) And I have one boiler for the whole house. I want ...
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1answer
50 views

connecting bulk propane to generator

I live in a rural area and have a ~125 gallon propane tank on a concrete slab that is serviced by a mobile propane delivery company. We use it for hot water, the gas range, and our forced air heating ...
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1answer
10 views

coleman/york furnace 7 red flashes

My furnace "fails to start" 3 times, then it flashes 7 beeps and quits trying. I can hear it start then the flame "just stops" 3x in a row. What gives?
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39 views

Moved into flat, cold water tank leaking, can it be removed?

Background I've moved into a flat recently and have been renovating. I'm doing all the work myself - have installed a new bathroom, new kitchen, new shower and cistern etc. and now I've realised the ...
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1answer
66 views

My 2.5 ton HVAC unit

We put in a new 2.5 ton Trane HVAC unit, and when it hits 90 outside, it won’t hold 74 degrees inside. (1400-1500 sq. Ft). Will it help to put in a 3 ton unit, or will it do more harm than good?
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13 views

Heat not kicking on

I live in an apartment with radiator baseboard heating and an old Honeywell round dial thermostat (no external switch). Heat has been working fine all winter. Weather has warmed up past few days- it'...
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20 views

HoneyWell baseboard thermostat

Hello everyone! Need some help here (trying to help a family member) They recently purchased a home that has a furnace and AC ( with central air) in each room there at these honeywell thermostats. ...
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15 views

Lennox Furnace Troubleshoot Assist

I have a Lennox Elite G50UH-24A-070-15. It quit entirely and threw the error "Pressure Switch open or blocked" according to the diagnostics panel on the front. Recent renos so thought it was clogged/...
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1answer
43 views

Baseboard heat - Installed and then drywall around

I'm in a 1980s house that has baseboard heat. The baseboards are pretty beat up so was going to use a product like neatheat or baseboarder to cover. When I started looking at the way that they were ...
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3answers
60 views

How does a temperature regulator with a single wire work?

In my office building we have a heating dial that has a single wire coming out of it. The wire is connected to some simple mechanical gadget that is in turn connected to the radiator. When the dial is ...
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0answers
16 views

HVAC: attic heat loss

Should a ventilated attic (w. Openings in the eaves) be warm in the middle of a cold winter that has a heat pump installed as the heating system for the living area below. If it is warm does that mean ...
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1answer
55 views

Can you heat an entire house with wall-mounted gas heaters?

My house currently is heated by a hot-water boiler, with radiators in the main rooms. The bedrooms have no radiators (it's an old house and I guess when it was built they figured the central radiators ...
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33 views

Baseboard wiring

I'm planning to do something similar to this wiring diagram, but using only 1 thermostat : How to Wire 3 baseboard Heaters with 2 Thermostats Since there'll be too many wires for the thermostat box, ...
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2answers
55 views

Insects coming from gap under baseboard radiator, seeking solution

I have a ground-level apartment in Metro Detroit, Michigan and am renting. I have old-style baseboard radiator heat with a large opening that goes across the length of it, as shown in the photo. ...
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2answers
39 views

HVAC Heat Supply - Register type (Square Register or Round Diffuser?)

We are adding new heat supply runs to our basement ceiling. We have had 3 HVAC contractors look at it and all 3 want to use 5" round air diffusers instead of the normal metal square registers. Here ...
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1answer
86 views

Electrical pipe heated by heating pipe - against the code?

Please see the picture below. The three pipes in the front are electrical (conduit). The big black pipe in the back is the heating pipe. I guess something went wrong when building the building and ...
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1answer
21 views

Use CLR to clean stuck bleeder valve

I was bleeding the air out of hydronic heating zones and I notice some mineralization on bleed valve attached to my air scoop. I took the Schrader valve cap off and tapped the valve I noticed it was ...
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1answer
123 views

Move floor vent into the wall

Currently right by the toilet in my bath there is a heating register on the floor. I want to build a small wall at the same location and have the heat exit out of the base of that wall. Is there a ...
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5answers
2k views

Most cost effective thermostat setting: consistent temperature vs. lowest temperature possible

The problem: Our heating bills are about 25% higher than our average neighbors according to our bill, yet our temperature is always as low as we can stand it (mid 50's), we have excellent insulation ...
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1answer
51 views

Dropped item in furnace duct

While trying to stop the ticking noise coning from my furnace ducts, I accidentally dropped a small piece of fire retardant foam (as you can see in the below photos) in one of the vertical furnace ...
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1answer
58 views

How do I use this valve properly?

I have a valve in my heating system that I don't understand. I have searched on the internet but I haven't been able to find any information on it. What I do know is that the valve's purpose is that ...
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3answers
1k views

Heating basement floor with water heater

Can I simply add a loop of pex from my water heater, under my flooring, and back into itself? Would I need some sort of pump? I haven't laid the tile yet and water heater is right on the outside wall ...
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1answer
39 views

Multiple return air vents in single framing cavity

I am building a smaller 2 story home. Upstairs in one bedroom the return air drops into a joist space, then in the next bedroom another cold air drops into the same space. It then goes over a couple ...
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34 views

HVAC System Making a “Turning Over” While Heating

My HVAC system is running for a very short time, then turns off and then makes this turning over noise. It's a 10 year old Amana heating and air conditioning unit. The sound seems to be coming from ...
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4answers
177 views

Connect two thermostats in parallel

I saw a thread about connecting two thermostats in parallel. I could not add comment to that thread , so I put question here again. My tenants always shut off thermostat or reduce temp when they are ...
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1answer
16 views

High elevation non- pv Burnham boiler with Tejurland powerventer installed at sea level [duplicate]

I have a 203ncl-tei2 boiler installed in danvers Massachusetts. This town is at sea level, not 2000k miles up. This boiler also has a failed tejurland (universal control) powerventer motor on it that ...
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24 views

U.s. boiler / Burnham boiler alterations

i have a 203ncl-tei2 boiler installed in danvers Massachusetts. Regular elevation. This boiler also has a failed tejurland (universal control) powerventer motor on it that is only humming, not ...
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2answers
37 views

Do I have to turn off “everything” when replacing thermostats?

I am about to replace my two thermostats. There's a lot of switches on the "control panel" (litterally) for my heating system and I am not familiar with procedures and afraid to turn something off ...
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27 views

Are my new thermostats compatible with my system?

My two old Lux Pro PSP511LC are dying (LCD going out on both!) so I got two new thermostats from a friend he didn't need we both thought I could use. They are the Orbit Clear Comfort 83521 thermostat. ...
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1answer
40 views

How to connect a new thermostat with different terminals than the old one?

I have bought two new thermostats to replace my old worn out ones. We have a oil burner furnace with hot water radiators around the house. No cooling. The problem is that the two thermostats have ...
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1answer
55 views

Where is my furnace air filter?

We moved in to a house a few months ago and for the life of me I cannot find the air filter for the furnace anywhere. The furnace is a Payne brand. It's kind of old. In our hallway ceiling, we have ...
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2answers
24 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
45 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
74 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
41 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
53 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
34 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
8 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
377 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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1answer
35 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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0answers
24 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
120 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
36 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
37 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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0answers
10 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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25 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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73 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
30 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
277 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. ...