For general questions on heating in your home.

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1answer
67 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
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1answer
139 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
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3answers
176 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 ...
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1answer
429 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 channellocks can get a grip, but slips off pretty easily. is there something better for ...
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2answers
1k 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 ...
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1answer
291 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 ...
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1answer
609 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 ...
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1answer
182 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 ...
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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
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2answers
318 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 ...
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2answers
443 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?
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2answers
615 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 ...
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1answer
739 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 ...
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2answers
177 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 ...
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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 ...
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2answers
196 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
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1answer
209 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 ...
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1answer
195 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 ...
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0answers
398 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 ...
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3answers
2k 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 ...
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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 ...
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1answer
449 views

How can house hot water pressure be kept stable if more than one hot tap is open?

We have a Vaillant Ecotec combi boiler in the loft. When showering, hot water pressure is fine. But if someone opens any other hot tap in the house, it massively reduces the hot water coming into the ...
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0answers
242 views

Why does the water pressure in my boiler go up so high?

The problem I have is with the pressure dial on the tank in bathroom. I was told that both needles should be at about 1.5, but the red needle rises up and then we have madly banging pipes, and ...
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1answer
6k views

How can I stop my radiators “clicking” when they're turned on or off?

I have a central heating system on a timer, and whenever the timer turns on or off, for around ten / fifteen minutes, some of the radiators in my home make regular clicking noises, kinda ...
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1answer
767 views

Can I install a garden chiminea in a wooden shed?

I want to install my iron garden chiminea into my wooden shed. Is this a really bad idea? If it's not, how should I go about installing a chimney flue?
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1answer
542 views

Why isn't my thermostat clicking on/off automatically?

My thermostat is not clicking on/off automatically, I have called my landlord and they replaced a very old one with a brand new one and it is still not clicking on off automatically, but will ...
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1answer
1k views

Why does my boiler keep shutting down and reigniting after a minute?

My central heating comes on via the timer and runs for about 30 minutes, then it shuts down for a minute, runs for 2 minutes, shuts down for a minute, runs for 2 minutes. This is a constant thing ...
2
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1answer
251 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 ...
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1answer
155 views

How do I turn the heat down in my house?

I just moved into this house. It still has the radiator unit but it's too hot. How do I turn the heat down? I turned the thermostat off, but it's still hot: does that mean I need a new thermostat?
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1answer
812 views

Why do my downstairs radiators run colder than upstairs?

Our combi boiler in the loft (less than 3 years old Vaillant EcoTec) is heating the upstairs radiators nicely, but the downstairs ones are lukewarm to cold. I have opened all the radiator valves ...
2
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2answers
997 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
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1answer
138 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 ...
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0answers
340 views

Why is my furnace blowing hot air outside?

So I have been having trouble heating my home. I noticed today that there is a vent blowing hot air outside. It is not the return, chimney or venting. Any ideas other that the builder thought we ...
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0answers
191 views

Why isn't water running through our radiators?

We had a plumber in today to bleed our rads. He also changed the batteries on the thermostat and fiddled around with the boiler. Since he left the temperature has dropped dramatically and he's refused ...
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2answers
2k views

Does a humidifier cool the air?

I'm considering getting an evaporative humidifier for my super-dry Northeast house, but I'm wondering if the evaporation cools off the room and is going to add to my heating bill. It seems like ...
4
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2answers
9k views

How can I prevent my HVAC condensate drain line from freezing?

Last night, my heat (forced air) suddenly stopped. Today, a plumber figured out that my heater is 90% efficient, produces lots of condensate, and the drain line had frozen. We went outside and saw ...
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0answers
468 views

What could cause my radiators to go cold when the hot water is turned on?

when only heating is selected on my program timer the radiators all work fine and are hot. But when both heating and hot water are on the water gets hot but all the radiators go cold. When the hot ...
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1answer
149 views

What does the low limit do, and where should it be set on an oil fired hot water furnace?

What does the low limit do, and where should it be set? My furnace has a honeywell triple aquastat relay and has a difference dial. Water temp is about 190 deg F. Also, water psi gauge is only ...
2
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2answers
736 views

Why do I run out of hot water after 5 min?

I have a gas water heater and recently found that I do not get more than 5min of hot water. Previously I would be able to take a half hour shower. I see no leaks around water heater. It also seems ...
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3answers
3k views

How could I use 40lb Propane tanks in a residential hook up?

I have two 100 gallon tanks from suburban propane but end up using so little, that I am charged approx $5.30 per gallon. I am reasonably sure that I could use two 40lb tanks and do the legwork myself ...
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3answers
3k 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. ...
2
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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
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4answers
2k 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 ...
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3answers
744 views

Do home radiators waste water?

I received my second quarterly water bill and cannot believe it says I'm using 49,000 gallons of water each quarter. That's over 500 gals per day! So I started thinking about average water usage per ...
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2answers
3k views

What could be causing my bedroom to be so cold, and how can I make it warmer?

I live in a two story townhouse with a basement. This summer, they replaced the furnace and air conditioning unit. Last winter I put 3M film over the windows to help with drafts and it worked great, I ...
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2answers
681 views

How can I stop my fireplace from disabling my thermostat?

My thermostat is in the sitting room and I have an open fire, so as soon as the room is nicely warm and cozy, the central heating goes off and the rest of the house is cold. I have heard about WiFi ...
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3answers
7k views

Why is it taking so long for my house to heat up?

Firstly, I should probably mention that I'm in the UK... My wife and I bought a house new from a builder over 9 years ago and have had no problems whatsoever with our central heating system in that ...
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1answer
1k views

How long does radiant heat in a concrete floor last?

I am looking to purchase a home built in 1950 that has radiant heat with copper pipes inside the concrete slab foundation. The home has been vacant for a little while now too, not sure if that ...
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3answers
268 views

How to add draught to simple box stove?

I've designed and installed a small stove to burn wood scraps and bio-briquettes. The stove is really simple box-shaped stove as drawn here below. However the stove does not work properly: the fire ...
2
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1answer
751 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 ...