For general questions on heating in your home.

learn more… | top users | synonyms

2
votes
3answers
4k views

Combination boiler pressure zero after heating

I generally don't notice a performance problem with the boiler, but after I run the heat to the radiators and turn the boiler off, after cooling down the the pressure gauge shows zero. I can easily ...
9
votes
3answers
1k views

How can I determine the maximum wattage that I can hook up to a breaker?

All of my heating is on one breaker, 240V on a double pole breaker, each marked 20A (it's a small condo). I wonder how I can determine the maximum wattage I can hook up to that breaker.
7
votes
2answers
564 views

How can I protect my kids' toes from this evil grating in the floor?

The cold air return in this house is in the floor, in the most-trafficked part of the house. It has a heavy grating over it. My kids' toes are small enough to fit in the gaps, which is very painful ...
11
votes
6answers
1k views

How can I stop Lego bricks from falling in to a register?

My kids like to play with Lego bricks on the floor, and sometimes a small piece will fall in to a heating register. Sometimes I can pull them out, but usually they fall too far, and there are sharp ...
8
votes
5answers
3k views

Should I switch from propane to electric heat?

After a downright frightening heating bill, I am thinking of switching to electric heat. I want this to be as little impact to the house as possible. I currently live in a 1100 sq ft manufactured home ...
13
votes
2answers
14k views

What are the pros and cons of installing a roof heating cable?

Had some roof work done last year after mother nature abused my house by way of an errant tree branch. I had always suspected my roof had poor ventilation, most notably when I wound up with a 200 lb ...
4
votes
3answers
2k views

Why does my furnace turn off when the thermostat's LCD dims?

Recently I replaced an old mercury thermostat with a programmable digital model (a PRO1 T955W). It is set to operate in Heating mode. The desired temperature is set to 70 and the in-home temperature ...
2
votes
2answers
1k views

Is it OK to turn off power to a fuel furnace?

Is it OK to turn off the power to a fuel furnace to replace the thermostat? Will the furnace start back up once power is restored? This is on a new furnace with an old thermostat and fuse panel.
1
vote
4answers
5k views

Will wrapping the stove pipes with copper pipes increase wood stove efficiency?

I've heard that wrapping my wood stove's chimney - the parts inside the house that go from the stove the the actual chimney - with copper pipes will increase the amount of heat generated. Has anyone ...
2
votes
1answer
3k views

What tape should I use to seal leaks in forced air heating system?

I have some of this duct tape Nashua 557 Premium Grade Flex Duct Tape. Is this the correct stuff to use to seal leaks in a forced air heating system, or is there something else I should be using? ...
3
votes
4answers
4k views

Can I connect an outdoor wood stove to my current HVAC system?

How to install a wood stove as an auxiliary heat source? (Main is electric furnace with forced air) I've read this question, it doesn't really answer what I need to know. What I would like to do is ...
3
votes
1answer
195 views

Where can I find resources on Gas Furnace manufacturers

We are going to replace a 30 year old residential gas furnace. We have estimates for furnaces from Rheem, Trane and Bryant. This is a rental, so we aren't going for the 95% with tax rebate but ...
16
votes
5answers
3k views

How can I insulate my garage door?

Over the past year I've been converting our integrated garage so that it's a usage space. I've painted the walls, got lighting, power and water connected (To allow for a washing machine to be ...
3
votes
2answers
6k views

Why does the gas furnace blow cold air at the start of the heating cycle?

What does this problem sound like? There is a 25 year old gas furnace in the house we rent. (The guy that owns the place claims there is NO problem at all. He said the igniter is brand new and ...
1
vote
2answers
4k views

Why is my radiator not getting hot water or have air in it?

All except one radiator are working fine. The one that stays cold is in the room with the thermostat, so the system keeps running more than it should. I tried bleeding it and just water came out. I ...
1
vote
1answer
169 views

Ceiling / Wall mounted heaters recomendations?

My mom wants to get my step-dad a heater for his workshop in the garage, but there's very little floor space available that isn't taken up with tools, and she noticed that there's an electical plug up ...
2
votes
1answer
707 views

Why does my gravity vented wall Furnace keep turning off/

We have an Empire gravity vented wall furnace: That turns off. According to the instructions, this is because the vent safety switch. But when I open up the furnace, it appears to be vented just ...
1
vote
1answer
137 views

Oil heater in a large room

I'm about to by an oil heater. One of the properties of a heater is the area of the room that the heater can heat. Say 15 m^2 or 20 m^2. The question is: what will be if I use the heater in a larger ...
3
votes
5answers
11k views

Why does my furnace need frequent power resets?

I have a NOMA Programmable thermostat attached to my furnace. The set point is usually around 21 degrees, and the room temperature is reading around 17 degrees. The furnace is not coming on. ...
3
votes
1answer
2k views

Should the sight glass of a steam boiler always be within the recommended range? Or only when firing?

We just had a new steam boiler installed and it is working great; all radiators are hot when the heat turns on etc. One thing I noticed though is that the site glass for the water level reads too ...
7
votes
3answers
414 views

How to heat my workshop?

I want something that can warm it up fairly quickly. I may only be out there an hour or 2, but when I decide to work on a project I don't want to wait an hour or 2 for it to heat up. Right now I have ...
5
votes
3answers
1k views

Can I close the garage vent on my furnace?

My furnace duct system has a vent in the garage, right over the furnace. Is it necessary for the proper operation of the furnace to keep that open? I'd hate to waste the money heating up my garage, ...
1
vote
1answer
294 views

Optimizing a heating system

I am seeking software I can use to better understand the thermal properties of my house. The main two consumptions of the house are water and heating. I'm interested in optimizing the heating. ...
4
votes
3answers
11k views

Why do our baseboard heating pipes make a loud banging noise after a new furnace was installed?

We had a new furnace installed about a month ago. The heating in our house is hot water baseboards. Ever since the new furnace was installed, when the heat comes on or turns off, there is a loud ...
8
votes
4answers
17k views

What type of space heater is best for an uninsulated garage?

I'm planning on applying stain and polyurethane to some furniture I recently built. I've been thinking about getting a space heater for my uninsulated garage, both to help the poly cure, and for my ...
1
vote
2answers
913 views

Why do some oil heaters (“red diesel”) use also electricity and some not?

I would like to install a small heater, for heating one room, that runs on heating oil, i.e. "red diesel". After a brief look on what is available for sale, I noticed some of them require also an ...
1
vote
1answer
9k views

Should I add a return air vent in a refinished basement?

We are refinishing our basement, and are nearing competition. The walls are drywalled, and the ceiling is dropped. There will be about 500 sq ft of finished space, including a full bathroom, and ...
0
votes
2answers
133 views

Questions about Heating/Cooling, ducting

Little back story - A while ago, I had a contractor out and in passing complained about how cold my house is in the winter (brick, no real insulation) -- brilliantly, he says "well, yea, your furnace ...
1
vote
2answers
21k views

Although my hot water works, why won't my radiator come on?

As above, the hot water works but the radiators do not come on. It's an old gas powered central heating system. We're thinking it's the wall thermostat at fault but is there anything else it might be? ...
7
votes
4answers
8k views

Is it an easy task to replace a wall thermostat?

As above, is it an easy DIY job to do this safely? In my research into the above it has become apparant that I should consider replacing the old thermostat with a programmable one for energy savings. ...
5
votes
1answer
178 views

Are discount furnaces safe to use?

More newbie questions ;-) The house we're looking to buy has an older furnace that "may be manufactured by the Permier/Consolidated furnace company" according to general inspections. We're in the ...
2
votes
2answers
234 views

Check heating pipes for thermal leaks

I would like to check basic thermal leaks of the house heating system (and perhaps the house thermal insulation as well). As the professional services or equipment (thermocamera) are very expensive, I ...
4
votes
3answers
119 views

Geothermal Resources

I am very interested in learning more about Geothermal solutions for my house. What are the best resources for learning about and planning a Geothermal systems for a residential house? Also, does ...
4
votes
3answers
4k views

Can I have multiple heating zones with a combination boiler?

I bought my first house in December and one thing I've noticed over the winter is higher than expected gas usage which I'd like to try and get down if at all possible. The house is a three bedroom ...