For general questions on heating in your home.

learn more… | top users | synonyms

2
votes
1answer
76 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 ...
1
vote
0answers
31 views

Floor heating or radiant? [closed]

Living in a cold area what one is better? I think for a family where there are people that live in the house mostly of the day the floor-heating should be the best in term of quality and saving ...
1
vote
2answers
2k views

Can a boiler water feed / pressure relief valve be repaired?

I am a homeowner trying to troubleshoot my hot water boiler system (Winkler Gas Boiler). I noticed recently that my boiler is reading zero pressure. The combination fill & pressure relief valve ...
1
vote
1answer
136 views

Combi boiler lighting hourly to warm heat exchanger - is this normal?

I have an Ideal Isar HE24. It lights for 2 minutes once an hour to warm the heat exchanger and 'optimise delivery time for domestic hot water to taps or showers'... The problem is that this is ...
2
votes
1answer
1k 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
1answer
191 views

Why does my house feel colder in one area after installing blown cellulose insulation?

I recently insulated my flat roof with blown cellulose insulation. I installed two vents on the roof as well. The house used to warm up well at 72°F. In order for our bedroom to be warm we have to ...
0
votes
1answer
53 views

Outside unit fan not running

we recently had an ice storm in the DFW area. Our outside unit is in a shady area that hasn't completely thawed out yet. Therefore, we have significant ice around the unit (and even inside) that ...
1
vote
4answers
1k views

How can I efficiently heat a bonus room above a detached garage?

I'm planning a 20x20' detached garage which will have a bonus room built into the roof trusses. I'd like to use this bonus room as my home office — so, since I live in the cold North, it'll need a ...
1
vote
1answer
465 views

How far away from the wall should ceiling heat registers be?

I'm installing ceiling heating registers. Are they required to be a certain distance from the wall?
1
vote
1answer
185 views

Stop heat loss through unused chimney duct

We had a 10 inch diameter metal chimney duct running from the basement to the roof. After replacing the furnace with a direct vent one it was no longer used. Cue more renovations and the section on ...
1
vote
2answers
130 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 ...
2
votes
3answers
277 views

How to measure heat in a Manhattan apartment?

Our 47-year old Mid-Manhattan hi-rise building is generally well maintained but whenever we complain to the super that we don't get enough heat, he sends a handyman with a "mercury" thermometer to ...
0
votes
1answer
266 views

Can I replace this Airwell thermostat?

I am in market to replace my simple A/C control unit with one that integrates with home my z-wave based home automation system. However, before I make the splash and buy a compatible thermostat, I ...
1
vote
1answer
123 views

Why are my water/radiator pipes whistling when I shut down the heating system?

With winter coming up, I started to heat the house and for the first time the radiator pipes are starting to whistle when I heat and then shut down the system. I have a big house and I need to shut ...
1
vote
3answers
3k views

Why does my central heating unit continue to run after reaching its set temperature?

Why will the central heating unit continue to run after reaching the set temperature? It does not read that it is reaching a higher temperature, it just continues to run at the reached temperature ...
0
votes
1answer
181 views

furnace not staying on for heater!

I have a.Lennox furnace not sure of the model it was installed in the basement in 2008 also.has. a/c connected . but I noticed my house was getting a lil cold so I messed with the thermostat and it ...
1
vote
1answer
214 views

How can I make the radiator heat my room more efficiently?

In my room at Uni my radiator gets really, really hot, yet the room stays pretty cold. Is there anything I can do to make it more efficient without losing my deposit?
0
votes
1answer
2k views

Should I block or insulate my air vents for the winter?

I live in a house which consists of a 17 year old extension on a 40 something year old cottage. The two main bedrooms are the only rooms in the house with air vents. They are also two of the coldest ...
3
votes
2answers
2k views

Why would my Goodman gas furnace start but not stay on for more than 2-3 minutes?

I've got a problem with my 15 year old Goodman furnace. It starts w/o problem, inductor begins working, hot surface ignitor lights up and ignites the gas. Then the main blower starts working and the ...
0
votes
1answer
133 views

Why are only 2 of the 14 posts in my radiator heating up?

I recently changed from oil heat to gas. All the radiators work in my 2 story home except for one on the first floor, which heats 2 out of the 14 posts. I changed the valve, which didn't work. Then I ...
1
vote
2answers
1k views

How far apart is it okay to set thermostat during night and day

This isn't home improvement, per se, so please feel free to let me know if there is a better forum for this. I have been told by two people, one of whom is a boiler repair technician, that it's not a ...
1
vote
1answer
3k views

How can I figure out why the low voltage furnace fuse blows on heat but not cool?

I have a Tempstar Model NTC6100KFG1 gas furnace. Furnace was working fine through the summer blowing the AC. It's been off for a month or two as we've been changing seasons here. When I went to turn ...
1
vote
1answer
2k views

How to diagnose a broken Aprilaire humidifier (Model 600)?

I have an Aprilaire Humidifier Model 600 (or maybe 600M) mounted on my furnace. The humidifier is not turning on (i.e. letting water flow over the filter) when the furnace is on. The below images ...
1
vote
1answer
1k views

Should I replace my mercury switch thermostat?

We have an old mercury switch thermostat in our house, You know the type, gold ring, very common. We are in new England on a gas/steam system. There is no central AC. We have been told by more than ...
2
votes
2answers
79 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. ...
4
votes
3answers
3k views

Why is my gas furnace vibrating when blowing hot air but not when blowing cold air?

I have a gas furnace. I recently replaced a bad blower motor. At that time I also cleaned out the blower housing and squirrel cage. The AC runs fine with no vibrations or any symptoms of an off ...
2
votes
1answer
90 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 ...
1
vote
1answer
2k views

Why is my furnace blowing hot air outside through a PVC pipe?

I turned on my furnace and went outside and noticed hot air blowing out a J-shaped PVC pipe. Is it a vent or error that needs to be plugged?
1
vote
1answer
1k views

Furnace won't adjust to thermostat setting

I have a 2007 Trane furnace that has been working the AC all summer just fine. With the cooler weather, when I turn on the heat and set the thermostat to 72 degrees, the furnace comes on but heats the ...
1
vote
1answer
68 views

is there a way to use a gas stove to supply hot water needs?

We've a 8kw gas stove which heats huge hallway very well. Wondering is there a way to use it to also heat our water needs (hot water tank very nearby). I'm not a diy type but jus trying to avoid ...
5
votes
1answer
151 views

What to use to funnel floor air vent in cabinent for proper air flow

I ripped the "floor" of the kitchen cabinet out to reveal that all along, my vent was funneling air like this, an open hole. The circular opening is about 6 inches across both ways. I need to funnel ...
2
votes
3answers
208 views

Why can't I measure 240V on this wall heater wiring?

I am replacing a 240V wall heater. I get 120V from black to ground but 0V from black to white and 0V from ground to white. Is this correct? The old heater worked but not really well. There was a ...
0
votes
1answer
606 views

How do I remove a stubborn element from a water heater?

I need to pull and replace the elements in my water heater. The problem is, I can't get the old ones out. My Channellock pliers can get a grip, but slips off pretty easily. Is there something ...
3
votes
2answers
2k views

How to remove a tile with floor heating mat

Two weeks ago I laid 1 X 2 ft ceramic tiles in my bathroom using premix tile adhesive. After reading some reviews, I should have mixed my own - lesson learned. This weekend I added grout and all went ...
1
vote
1answer
351 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
802 views

Best option to fix cracks in ceiling with radiant heat?

One of friends recently purchased a house with electric radiant heat in the ceiling. Several rooms have cracks in the ceiling. Currently they are redoing the kitchen which has a large crack which is ...
1
vote
1answer
195 views

Replacing Oil Furnace with Heat Pump

My wife and I would like to remove the older oil heat from our home and replace it with a heat pump. We currently have an Amana central air conditioning unit (3 ton), and an oil furnace in the ...
1
vote
1answer
1k views

Can I replace an air exchanger with a heat pump?

In my basement I have a rather large Air Exchanger: I have heard that if I install a heat pump I may be able to replace the air exchange. This gives me two benefits that I can see: The Heat Pump ...
2
votes
2answers
365 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 ...
0
votes
2answers
512 views

What do I use to cover an insulation wrapped duct? (Silver foil wrap?)

I was looking for silver foil to cover the heating duct insulation wrap. What is it called?
0
votes
2answers
715 views

Does reverse-cycle airconditioning in heating mode dry the air?

I understand that when cooling, an AC unit condenses water vapour from the room, and results in dehumidified or drier air than outside. When in heating mode, I would expect this not to happen, as the ...
1
vote
1answer
811 views

How do I wire this thermostat?

Hello I have a Honeywell FocusPRO 5000 Non-Programmable 1 Heat/1 Cool Thermostat, Large Screen. The wires it needs are: Conventional Terminals: Rc 24VAC power from cooling transformer R ...
1
vote
2answers
181 views

What low (or no) cost method can I use to shade a south-facing wall from summer heat gain?

I live in a rental in Tucson, Arizona. The southern wall is thick and has thermal mass but never gets cool enough at night to prevent having to run the A/C to make it bearable. This is killing me with ...
4
votes
6answers
5k views

Can I warm up a swimming pool by submerging black-painted milk jugs in it?

I know they make solar covers for pools, but I that is a bit of a pain to put on and take off all the time and my cover (from a well known manufacturer) from last year was easy to rip and became ...
0
votes
2answers
207 views

What would a circuit labeled “Heat Trace” be used for?

I have just purchased a brand new (just built) upmarket apartment and having been looking through the circuit board and have come across a circuit labeled 'Heat Trace' I do not understand what 'Heat ...
2
votes
1answer
255 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 ...
1
vote
1answer
222 views

How can I consolidate different heating/cooling systems into a single system?

I have 3 different types of heating/cooling systems that I inherited. Hot water heat. This heats the whole house/garage via 3 zones. Zone 1: Kitchen/Livingroom Zone 2: Bedrooms/Bath Zone 3: Garage ...
6
votes
1answer
491 views

What type of rubber pipe is used for this particular installation of hydronic radiant in-floor heating, and is it reliable?

I'm looking at a home built in the 80's with hydronic radiant in-floor heating embedded in concrete slab. I've never seen this type of hydronic tubing before. I'm pretty sure that the attached photo ...
0
votes
3answers
3k views

Why is my Central Heating taking so long to heat up?

I'm in the UK with a small modern, well insulated, double glazed home heated by a traditional gas boiler. My heating had been achieving room stat temperature within 30 minutes but is now taking at ...
0
votes
0answers
71 views

Why is it taking so long for my house to heat up with no quality to the heat generated? [duplicate]

I'm in the UK. I have a small modern, well insulated and double glazed semi detached home which is heated with a traditional gas boiler feeding radiators and a hot water system. The heating had ...