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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What is this noise coming from my furnace?

There is a noise that emanates from my furnace before the heat starts to blow into the house. What is it? Should I be concerned? Video: https://youtu.be/A3F7afbI_a0
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wiring hrv in a confusing house

some beautiful pictures first time posting apologies if my placement is off Buying HRV. I am debating between two units, venmar evo5-700 which doesn’t support furnace interlock or lifebreath rnc205, ...
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Loud knocking noise in house with radiators and old plumbing

I'm staying in a three story home with radiators and old plumbing (probably copper). I'm a guest and it's a rental with a management company (they fix a few things here and there but not most things). ...
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Indoor fuel tank removed - How to eliminate lingering smell

Background: I recently replaced my home heating system (an oil burning furnace) for a modern heat pump (air-water). There is a room in our basement (2.9m x 3.5m, or roughly 10ft x 13ft) where the 10'...
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Old Steam Furnace

I have a old steam furnace that is running fine now but it’s not hooked up to the switch or the transformer. I have a brown wire (cable with brown insulation) containing a red and a white wire coming ...
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56 views

Single cylinder set-up for geothermal heating and hot-water

I am looking to install a geothermal heating system to provide hot water and heating in a small home. I am aware that constant cycling of the geothermal heat pump is not desirable, so it is usual to ...
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Do push-to-connect (Sharkbite) couplings allow for any thermal expansion?

I was reading the installation instructions for hot water (hydronic) baseboard heating sections. It says to consider using a special coupling between long sections of baseboard to allow for thermal ...
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3answers
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Will fiberglass insulation grow mold? (Florida)

Followup to this question one of the comments says that fiberglass can trap moisture and lead to mold/mildew. I did some research myself and found other sources saying the same. This worries me -- ...
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Should I COMPRESS fiberglass OR use foam insulation?

I have a room made of hollowed concrete blocks that I framed by mounting 2x4s, wide side against the wall. This gives me a 1.5in depth cavity to fill with insulation. Should I use an r19 fiberglass ...
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37 views

House warm thermostat off

I have an old house that has baseboard heating. Ranch house. It has a full basement the length of the house. New Lochinvar boiler. Thermostat is off and yet our side of the house is warm. 62-66 ...
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203 views

Why don't HVAC service people want to use outdoor temperature sensors to increase efficiency?

Here in central Virginia, most houses use heat pumps with electric auxiliary heat. I have inquired with several different contractors about installing outdoor thermostats on my units to 1) disable ...
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Gas Fireplace: How do I arrange rockwool and logs for maximum heat?

We have a 10 year old gas fireplace that has been operating flawlessly. There is no blower/fan unit. After annual cleaning, I've always replaced the rockwool and situated the logs as before using a ...
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Moving or closing cold air return

Here is my current situation: There used to be a wall running between two rooms here; with a heat vent on the top side room and what looks like two cold air returns on the other. The issue is, with ...
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Efficient whole house heating on a budget. Electric baseboard?

Here's the question, read below for the back story and details. 1100SF row home shell. LNG and 200A Electric service but at the moment leaning towards all electric. Considering upfront capital, long ...
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2answers
59 views

Stop pipe from banging without removing floorboards

We have a pipe that bangs for a while right when we turn the heating on. I managed to isolate where the pipe is (under the floorboards on one room), the problem is that I can't lift the floorboards ...
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38 views

Diagnose cold radiator

I recently moved into a new place which has two floors. It is heated with hot water and the heater gas-powered heater is in the lower floor. There are two radiators in the upper floor that stay ice-...
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4answers
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Wiring 240v where 12/2 wire using a 20 amp circuit breaker is present

I have a 20 amp breaker that is providing juice to the new outlets I installed in my basement. I would like to put a space heater in the three rooms. The space heater allows for (1000/1500/1600W, 120/...
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Can I calibrate this thermostat? (Cadet brand, 240V)

My thermostat operates but seems to be badly calibrated. It will hold temperature, and you can adjust that temperature, but its not the temperature it says on the dial! It goes much higher than the ...
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Is there a small ductless condenser to fit in A/C sleeve?

I own a 350ft studio co-op unit which currently has an old AC unit and two electric baseboards for heat. I was thinking it would be nice if I had a single high hat in the middle of the room connected ...
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1answer
197 views

Floor heating is not as warm as I was expected

I've just moved in a one-room flat which has floor heating. I thought that floor heating would be enough but it turns out to be a disaster. The room is not heating as a normal room with a radiator. I ...
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2answers
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Sliding bathroom barn door covering cadet heater

This was a design decision I made a month ago and now after things putting together, I have a "duh" moment. This is my bathroom door which will have a barn door sliding to the left: Note that there ...
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2answers
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How can I remove automatic temperature adjustments in a house heating control panel?

In a White Rodgers 1F87-361 house heating temperature controller there are several programs for automatically adjusting temperatures for several timings in each weekday. I was wondering how to remove ...
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1answer
18 views

Relay Nest T-Stat

Can I use a nest T-Stat T3007ES to run 2, 2ooo watt cadet in wall heaters model RMC202W if I use a relay, and if so, what is the proper relay to use?
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Orange flame on a Rinnai furnace after propane conversion

I have just installed a Rinnai hot air direct vent furnace. After converting the appliance to propane, I adjusted the gas pressures with a manometer according to the manufacturers instructions. The ...
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Heating system cycling

My heating system is power cycling because the heat exhaust temperature sensor is tripping. When I turn the intake gas valve closed a bit, the system will stay on for longer but it's still does some ...
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1answer
86 views

Are we reading our propane tank wrong, or are we being overcharged?

We have a buried 1000 gal (3785 l) propane tank used for heating. When it was filled up recently the gauge went from about 49% to 88%. This would mean 490 gal to 880 gals, or an addition of 390 gals. ...
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1answer
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Amana furnace discharge vent seems clogged

My furnace starts out very slowly trying to put out hot air maybe 2 to 3 hours. I think maybe my discharge vent may be clogged but its on a slippery roof and about 30 foot of PVC so how would I clean ...
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4answers
143 views

Can I reduce the current/power consumption of an electrical heater by adding a resistor?

I have a 2000W, 240V electrical heating element that I need to move. Connecting it to where it needs to be makes it draw, together with 2 other elements, more current than the fuse will allow (16A). ...
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164 views

How to Deactivate Baseboard Heaters on Active Circuit

My home has a circuit for several electric baseboard heaters. I removed two of the baseboard heaters because I got a new gas stove for heating. I also removed the thermostat connected to these ...
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4answers
117 views

What is the most efficient method for heating of rooms on working days?

It is to decide between two possibilities for heating of rooms during the absence in the building: heating constantly to 20 °C (68 °F) or heating 1 hour before coming home with 25 °C (77 °F) with the ...
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5answers
138 views

What is the minimum temperature for house heating system to keep pipes from freezing

Roughly what is the minimum temperature to set a house heating thermostat controller to in order to keep pipes from freezing? Assume no other considerations, e.g. assume no one is living inside.
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Is it ok to seal the the outside rail of an in-wall AC/heater in the winter?

I have an Amana in-wall AC/Heater. In the winter I feel that it creates a draft and allows cool air to sneak in. I'm thinking of taking some heavy duty plastic to the outside rail. Would this impact ...
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53 views

2 Thermostats one furnace

Is there a way to have one zone at a time calling for heat? i have 2 zones an one furnace temp is house ok if one stat calls for heat but when they both it takes forever to heat house
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What is this radiator vent used for and how is it used?

My place has a steam heater. On its right side, there is something similar to radiator vent It has a pin movable anywhere in the middle slot which is about a half circle. I was wondering what it is ...
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Radiators not bleeding no air or water. Boiler pressure is good. What could be wrong? Plz help Thanks

Plumbing My radiator won't bleed no air or water . Boiler pressure is good what could be wrong. Plz help
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48 views

Hot water leak from heating system

I discovered there is some hot water is leaking from what seems to be a pressure release point of my heating system. I am not very good at plumbing so i will probably hire a professional if this is ...
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Suggestions on where to relocate a wall register I'm enclosing in a closet? (with labeled floor plan attached). Thank you!

I'm looking for some suggestions on where to relocate the HVAC wall register (shown in red), as I am planning to enclose it in a closet. It comes from 3x7 rectangular duct into the 2x4 wall and rests ...
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1answer
40 views

Boiler Valve Corrosion

I have a hydronic heating system in my house, and I noticed a valve on a pressure gauge on the side of the boiler is extremely corroded (see 3 pictures below). 1) Is there any purpose for this valve ...
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Water not circulating through baseboards

2 zone (1 radiant floor, 1 baseboards) hot water heating system. Radiant floor (t’d off main feed) seems to be working fine. None of the baseboard loops are hot, and the pipe was hot before the ...
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38 views

Gas central heating on max for hours. What are short and long term adverse effects other than higher bills?

I've had a new boiler fitted, a Bosch-Worcester one, in a medium size house. It's been serviced professionally, when required. The new boiler came with a thermostat control pad. All the copper piping ...
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1answer
37 views

How to seal an aquastat sensor well?

My heating system has a tankless boiler which feeds an external tank. The tank temperature is measured using a probe inserted into a standard aquastat well. The probe is considerably smaller than the ...
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Environmentally friendly methods for heating a large addition

I live in Southern California, and am writing this at my desk in the large family room, which is about 45 sq.m. (500 sq.ft.). This room was added on to the house, and our natural gas furnace doesn't ...
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2answers
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Hairy frayed white stuff around bathroom heater pipe joints: asbestos?

I’m a bit worried about some frayed hairy/stringy material around my heated towel rail in the bathroom, sticking out of the pipe joints. It is white, so doesn’t look like hemp to me, and I’m wondering ...
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38 views

electric base board heat

I have old base board electric heaters probably from the 60's or 70's that are controlled by a wall thermostat. There are 4 heaters in all connected to the thermostat. 2 in my living room shut off ...
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Is insulating the back of a PTAC unit for winter a good idea?

The winter heat in my apartment is supplied by old PTAC (Packaged Terminal Air Conditioner) units, using resistance heat (it's too cold for the heat pump to work). A lot of cold outside air leaks ...
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2answers
135 views

Where to connect a C wire for my smart thermostat

I am trying to connect the c wire but I'm at a crossroads of sorts. I have a dual zone so there are 2 thermostat wires come into what looks like a relay box ( see pictures) I have located the ...
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50 views

Why is one baseboard heating hotter, and not controlled by thermostat

We have a 3 unit house with hot water baseboard heat fired by an oil boiler. Apt 1 has her thermostat set at 70 but her room temperature is 82 so she set thermostat to 50 and the living room baseboard ...
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Propane fireplace lites then goes out after ten min

My fire place is LP gas and the pilot will lite and the flames/main burner comes on nice but only runs for about ten mins, then main burner and pilot go out...Not supposed to do this...Thermocoupler ...
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3answers
101 views

Furnace not turning on, and can anyone identify these sensors?

My home has a gas furnace with electronic ignition (intermittent pilot). Sometimes it doesn't want to start up, even with the thermostat turned up, and it indicating heat should be on. The fan-only ...
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1answer
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Intl Mechanic Code 309.1 “Space-heating systems” clarification

I am looking at the ICC Intl Mechanical Code, in section 309.1 309.1 Space-heating systems. Interior spaces intended for human occupancy shall be provided with active or passive space-heating ...

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