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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24 views

A celling vent does not stay in place

I have a vent in the ceiling that no longer stays in place. I think it is drilled into dry wall but the drywall is too corroded to keep the vent in place. Any suggestions on how to fix this? Do I just ...
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17 views

Furnace Short Cycling - Carrier Code 33

We have a Carrier 58STA/STX Furnace that is only short cycling in Heat and not A/C. When it cuts off it is throwing Code 33 which is pointing to the following issues: Dirty Filter or Restricted Duct ...
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2answers
42 views

Will replacing windows significantly reduce solar heat gain in summer?

A friend of mine is remodeling his 1980s house and was asking advice about keeping it cooler in the summer. The house currently has the original double pane windows, many of which have "popped&...
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1answer
55 views

Heating home by blowing hot air in to desired areas

I am looking in to upgrading the heating system in my house, and I am surprised that I can hardly find any systems that heat up the house by blowing hot air in to the desired areas, as is standard for ...
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1answer
45 views

Replacing old 3-wire line voltage single-pole thermostat with a 2-wire one

I'm trying to replace an old Mears M21 SP thermostat controlling the baseboard heater with a new one (Honeywell RLV3120A to be specific). Problem is, the old thermostat has 3 wires (Black, Red, and ...
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0answers
54 views

Thermostat not getting power (Nest E74)

I replaced an old Honeywell thermostat about a month ago with a Nest thermostat. Friday Nest started displaying an E74 error. I have two furnaces and two outdoor units, one for upstairs and for ...
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2answers
28 views

Is it safe to use a polyurethane faux beam to hide an asbestos insulated (and wet-wrapped encapsulated) heating pipe?

I am planning on finishing my basement and there is an asbestos insulated and wet wrapped encapsulated steam heat pipe that runs the length of my basement. I found a 3 sided faux wood beam that would ...
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1answer
46 views

Mr. Cool 24k mini split. Electrical install

I'm getting ready to install a mr. Cool 24k mini split. The Electrical in the instructions is pretty vague. Just want to double-check that I'm correct on how I'm going to install it. Inside my main ...
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1answer
31 views

Move heat out of living room with fireplace

I have a sort of rectangular house with a 25 m2 living room at one corner, and the master bedroom at the opposite long corner of the house. All of the bedrooms are up another level from the living ...
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1answer
24 views

Can I have a shared exhaust flue for a high efficiency furnace and tankless water heater?

I recently purchased and am installing a 96% efficiency two-stage gas furnace. The old unit was an 80% efficiency unit using a 4" metal flue. This flue merges the exhaust of both the hot water heater ...
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1answer
50 views

What determines which heat energy meter is mine in a duplex?

I am specifically referring to meters for heat/AC energy. Our duplex has two meters, but when I went to submit our reading and create our account it said that the one with the lower reading was not ...
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0answers
25 views

Foam board off gassing and vapor trapping

Will be using this in ceiling radiant system in my home. Will the off gassing from the foam board be trapped by the drywall from coming into my home? What can I do to stop it from coming into my home?...
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1answer
101 views

Just got quoted $5000 to service my HVAC system. Is this reasonable? [closed]

I have a 15 year-old York heat pump that gave out at some point during the winter (not sure exactly when as it's a dual-fuel system and nobody noticed until higher than normal gas bills started ...
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27 views

Honeywell Home Thermostat - wiring issues?

I have the Honeywell Home - 7-Day Programmable Thermostat. When my roommate installed the device it was winter and everything appeared to work fine. Now that it’s heating up, it’s impossible to cool ...
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4answers
91 views

Cold finished basement

I live in house built in 1968. My basement is partially finished. There is drop in ceiling above and there is no insulation in the ceiling. The floor is covered with some old vinyl tiles which feels ...
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1answer
63 views

Sound proofing bedroom doors, what to do about air flow?

We recently replaced all the carpet in our home with hard floors, dramatically increasing the amount of noise transmission between bedrooms and the hallway. I've been researching the best ways to ...
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1answer
67 views

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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1answer
32 views

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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4answers
96 views

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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53 views

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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2answers
64 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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0answers
36 views

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
50 views

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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2answers
119 views

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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1answer
38 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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3answers
258 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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2answers
75 views

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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0answers
119 views

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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3answers
660 views

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
60 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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1answer
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
217 views

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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0answers
71 views

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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1answer
202 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
77 views

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
30 views

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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1answer
73 views

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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0answers
10 views

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
101 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
28 views

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
152 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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2answers
200 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
141 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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22 views

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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1answer
60 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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2answers
37 views

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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0answers
22 views

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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1answer
50 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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