For general questions on heating in your home.

learn more… | top users | synonyms

2
votes
1answer
234 views

How can I use bulk electrical wire to make a subfloor heating system?

Electrical floor heating kits run US$10 to $15 per square foot, but bulk wire only costs $2.50. With the controller, you're still running under $4 a square foot. I have a construction background, but ...
2
votes
1answer
727 views

Cheaper to run central heating sporadically high or constantly low?

My central heating has a thermostat dial ranging from 10 to 30 degrees Celcius. I'm wondering whether it's likely to be cheaper to crank it up to 30, and turn it on for, say, an hour, 3/4 times per ...
2
votes
2answers
735 views

Using a solar system with a condensing boiler for the central heating instead of tap-water?

According to the manual of my AWB ThermoMaster 2HR 28.02WT Condensing boiler, it is compatible with a pre-heating solar system for tap-water only. It even has extra facilities to ensure that the ...
2
votes
2answers
288 views

Can I make an improvised heating system that uses calcium carbide and water?

Its winter in Australia at the moment and i'm cold. Today i found a few kilo's of Calcium Carbide (CaC2) which, if you react it with water, produces a sizable quantity of acetylene gas. I use it with ...
2
votes
2answers
842 views

How can I stop heat loss due to an uninsulated porch?

I have an enclosed porch with very little insulation, it is typically very cold in the winter. However, there is a radiator in the enclosed porch. I have a gas boiler heating system in the house. ...
2
votes
1answer
1k views

Does adding metal plate/foil behind radiators increases their heat distribution?

There is this theory that if you put a metallic foil behind radiators, will make them distribute heat better in the house rather than heating the wall next to them. Is this true, are there any ...
2
votes
2answers
754 views

Alternative to electric heaters in bedrooms?

I would like this system serviceable, cost effective & relatively maintenance free. I just don't know the best way to go about it. I am sick of using a oil filled heater over winter. My original ...
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? ...
2
votes
2answers
228 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 ...
2
votes
1answer
65 views

Should the cold water supply be constantly open for hot water heating system?

I just flushed out my baseboard heating system and refilled it with new water. I am wondering, should the cold water supply to the system stay open or should it be a closed loop until flushed again at ...
2
votes
1answer
82 views

Electric floor heat in basement without tile

I'm planning on putting electric floor heat in a daylight basement room which has a concrete pad. However, we don't like tile, so we'd like to use something else--preferably something that looks like ...
2
votes
4answers
1k views

How can I measure the r-value of a wall?

What is a reproducible test to measure the r-value of an exterior wall? Or even a specific spot on a specific wall? It needn't produce an absolutely certain result, but a good estimate with known ...
2
votes
2answers
19k views

DIY pool heater - best methods? [duplicate]

Possible Duplicate: How can I efficiently heat a pool? I have an in-ground pool at around 20,000 gallons and I live in the northeast (Maine). My pool gets direct sunlight for about half ...
2
votes
2answers
20k views

Why does my pilot light keep going out?

My furnace pilot light keeps going out so I changed the thermalcoupler now the furnace will come on and heat up to the degree set on my thermostat, then the pilot goes out and the furnace will not ...
2
votes
1answer
186 views

What is a quieter alternative to gas forced air heating?

My small 1BR apartment has an old gas furnace that works great, but costs my landlord too much to insure. He plans to install gas forced air, an in-unit upright furnace. I'd love to suggest a ...
2
votes
1answer
132 views

Is there a way to make a thermostat based heating system more accurate through either adding probes or hacking?

In my Brooklyn apartment, heated via steam radiator, my thermostat is in the unheated hallway between all the rooms. The temperature it reads is often different, than both the rooms with heaters and ...
2
votes
1answer
128 views

What is a condensate pump on a boiler heating system?

I have searched all the online glossaries and dictionaries related to home systems and cannot find it anywhere.
2
votes
1answer
173 views

What to look for in a new water radiator?

The water radiators I have under each window are 50 years old, and I would like some new ones. They measure HxLxD 50x100x20 cm. The new ones I would like should be as thin as possible. I live in an ...
2
votes
1answer
1k views

How can I prevent heat loss through heater/air conditioner wall units?

HVAC experts out there... I live in Wisconsin and it gets mighty cold here! I have a condo with 2 wall units that are used for both air conditioning and heat. My heat bill in the cold winter months ...
2
votes
1answer
3k views

Potterton EP3000 -> Horstmann C27 boiler programmer wiring

I'm in the UK, using an ancient tempermental Potterton EP3000 boiler programmer, but I have a brand new Horstmann C27 which I'd like to replace it with. Apart from the mains supply, there are three ...
2
votes
1answer
2k views

Is a space heater or my window heating unit more energy efficient?

My roommate and I have noticed that, since our apartment faces south and we live right by the Hudson, our apartment is starting to be quite chilly in the evenings, and oftentimes is cooler inside than ...
2
votes
2answers
783 views

How often do I need to drain Boiler Expansion Tank?

I have an old style (without a bladder) expansion tank installed on my heating system. Recently i noticed that the water pressure fluctuates a lot in the system and wonder if that maybe because the ...
2
votes
1answer
5k views

Why does my gas furnace heat up and then blow cold air?

My 8 yr. old Comfortmaker will turn on, burner will light, then will occasionally shut down 10 minutes later, even tho the temp is not up to the correct temp. Burner goes out, fan stays on, blows cold ...
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 ...
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.
2
votes
2answers
58 views

Is it normal for actual temperature to be below target temperature during cold weather?

I live in North Florida and the temperature seems to drop into the 30's maybe 10-15 days out of the year and the 20's maybe 2-5 times a year. We had a few days where the highs were in the 30's this ...
2
votes
1answer
520 views

What materials are fake coals for gas fireplaces made of?

My new gas fireplace looks remarkably realistic! I'm curious what the "glowing embers" are made of. I have found replacement sets, but I've been having a hard time figuring out what materials ...
2
votes
2answers
59 views

1971 D615MH Coleman Furnace,

I have a Coleman D615MH furnace. It will not kick off. I have to turn both breakers off. I just replaced the thermostat, thinking that was it. I turned the breakers on & it was still running. ...
2
votes
2answers
2k views

How can I retrofit this existing wall-heater with an external thermostat?

My house has several wall-mounted gas heaters. All but one of them have external, easily accessible thermostats. However, the one that happens to be the most used has no remotely mounted thermostat, ...
2
votes
1answer
257 views

Forced air heating air inlet in crawl space

The air inlet for my electric forced air heating is a small vent on the duct in the crawl space. Although the crawl space is sealed with a concrete floor and heated (ie insulation is around the ...
2
votes
1answer
699 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 ...
2
votes
1answer
2k views

What should I do about this Alpha HE CB33 Boiler pressure error condition?

I have an alpha he cb33 boiler which has stopped working this morning. Yesterday I removed a radiator for cleaning then put it back on and re-pressurised the system. It was working ok last night. ...
2
votes
0answers
236 views

Why won't my condenser turn on when I run my heat pump?

I have a York Affinity condenser. When I run my heat pump, I expect it to turn on somewhere in the cycle but it doesn't. It generally does this once a year. The usual fix is to cycle the power of the ...
2
votes
0answers
201 views

How do I know if my high limit and low limit are set correctly on my aquastat?

I have a boiler that is only providing heat for my forced hot water baseboard system (4 zones). I've always thought that the high limit on the aquastat was too low (the temperature on the boiler ...
1
vote
2answers
116 views

Is it good that windows are shut when heating is on

Many apartments require all windows to be closed during winter when the heating is on. But even when the apartments have central heating, as far as I know about my current apartment, it just circulate ...
1
vote
3answers
386 views

What is a reasonably economical way to heat a basement bathroom?

I have a basement bathroom (roughly 8' x 4') that corners two outside walls, and has no heat vent. Months like this it's ice cold. I'd like to heat it up, just not sure how, outside of running a space ...
1
vote
1answer
1k views

How efficient is a drop ceiling?

I have a small room (about 260 sq ft) with a tall ceiling (about 13 feet tall). It's very hard to heat that room up because the heat goes up and doesn't want to heat the lower part where the people ...
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 ...
1
vote
2answers
137 views

At what temperature does a WiFi thermostat stop sending a signal to the router?

I recently purchased and installed a Honeywell WP6500 WiFi thermostat and thanks to Stack Exchange, got it up and running. I have a house in New Hampshire, which I use occasionally during the winter. ...
1
vote
2answers
194 views

To which extent can outside walls make a room cold?

My kitchen is a small extension (5 or 6 square meters) of the house. No heater. Extremely cold in winter (down to 8 degrees celcius). For months I've wondered why it's so cold (1), now I suspect it's ...
1
vote
2answers
17k views

Why does my heating system only blow cold air?

My heating system only blows out cold air, not hot. I've left it on for a good 15 minutes to see if it will warm up, and I get nothing but cold air. I've even put it on Auto and waited some more, ...
1
vote
2answers
849 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
2answers
354 views

What type of space heater should I use in a child's room?

I have a bi-level house in Michigan. The lower level is much cooler than the upper level, which is awesome except we're trying to move my 1-year old son to his own room down there but it's much ...
1
vote
3answers
2k views

Can a gas fireplace insert heat an entire house?

I have a single-story 1400 sq/ft house (4 bedroom). Here's a VERY rough sketch of the layout: The house has blown-in insulation on the exterior walls but no insulation on the interior walls. ...
1
vote
2answers
954 views

What could cause a clicking sound in an underfloor heating controller?

I have a underfloor heating system installed in my apartment. Each room has a Uponor T-37 thermostat, hooked up to C-35 controller. The system is about four years old and recently I have noticed a ...
1
vote
2answers
17k 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? ...
1
vote
2answers
140 views

Preventing a frozen pipe on an extreme weather night

Last week, we had a night that got down to -18F. In the middle of the night, the cold-water pipe going to the kitchen sink froze (but luckily did not burst). After some investigation, it turns out ...
1
vote
1answer
268 views

Master Shower Won't Get Hot Unless Another Faucet is Turned On

We have a brand new gas & electric water heater. Purchased in 2013. For some reason, when we turn on the hot water in the master shower, it only gets lukewarm unless one of the sink faucets is ...
1
vote
1answer
106 views

Why is there no heating at all until we use hot water?

My boyfriend has a combi boiler and he's very confused as to why he has no heating at all through the radiators until he uses hot water. On the meter it says radiators shouldn't be working but they ...
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 ...