For general questions on heating in your home.

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4answers
48 views

single zone house with forced hot water only heating on one side

I have a single zone in my house with forced hot water only heating on one side of the house. What am I doing wrong? I have bled the pipes many times and still not heat on one side of the house
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1answer
125 views

Best Way to Heat a Tri Level Home

I have a tri-level home, which is approximately 1600 sq.ft. Presently I have electric baseboard heat, with a pellet stove on the main level. I am looking to upgrade to a better, more centralized ...
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4answers
6k 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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2answers
29 views

Replace manual thermostat with programmable

I have a Flair 3-wire thermostat, open common and closed, with 3 terminals marked 4.5.6. 4 black wire=open terminal, 5 white wire=common terminal, 6 red wire= closed. I want to replace with a ...
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0answers
9 views

A thermostat for cooling [closed]

I want to buy a thermostat that clicks 'on' when a certain temp is reached (rather than off) so it can activate a fan in my attic room. What product should I buy?
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1answer
1k views

What can I do about my odd sized heating vents?

Two related questions: I have a problem section of heating vent that is 2.5" x 12". I thought I'd be able to find this size in Lowes or Home Depot, but nothing is even close (I see 3.5" x 10"). Note:...
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1answer
3k views

why does my heat pump wiring diagram show 7 wires going to the thermostat but the thermostat only says it needs 5?

Here is a link to the wiring diagram for my heat pump. The thermostat that I am planning on buying has the following terminals C, G, Y, O/B, RC, R, Aux, E, and L. The instructions say to jump the RC ...
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1answer
33 views

underfloor heating and solid wood floor

Wet system underfloor heating suppliers seem to insist on tiled floors. I want to use solid timber planks, which have a thermal resistance that stops heat passing through easily. With good ...
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0answers
13 views

Furnace added to second Floor

I am ripping my entire house apart and will be making almost an entire wall out of windows and doors,(glass). I will be changing all of the floor plans, (walls), so at the moment I am adding HVAC to ...
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1answer
39 views

Oil furnace fan won't shut off when “heat” plug is connected to control board

I was changing my thermostat and I attempted to make the swap live without turning power off. When I connected new thermostat, the fan kept running. Ruled out bad thermostat and wire short by ...
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1answer
35 views

Natural Draft Heating Design

Does anyone have a formula/instructions (or links to) for sizing and positioning of vents for natural draft heating of a multi-level home?
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1answer
1k 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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2answers
56 views

Will electric in-floor heat be adequate in a converted barn?

I'm thinking of buying a single-level barn conversion. It doesn't have any gas supply & has electric underfloor heating installed without any other heat source. As far as I'm aware it's installed ...
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2answers
11k views

What could cause a Trane furnace to not start heating?

I have a newer (2007?) Trane XL90 (model: tdx2b080a9422aa)forced air gas furnace. The problem I am having is the burner and fan will not start. The thermostat is set at 67 degrees and shows it is ...
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2answers
90 views

Fill heat tank with glycol in off-grid system?

EDIT: I'm settling for a simpler system: no solar thermal panels; just a small 50 liter water heater, AC powered, run through the inverter. (So, practically no hot water in the winter time.) I'm ...
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1answer
103 views

Updating thermostats to single system

I have a three floors in my house, each controlled by it's own thermostat (separate air handlers and mechanical valves on furnace). Baseboard heat. The three thermostats are controlled separately, ...
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5answers
14k 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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1answer
17 views

Central heating/cooling system heating unevenly

I have just had a new 3.5 ton central air and heating unit installed. The main vent is located in the hallway right next to the middle bedroom. When I turn the unit on to heat my home the heat in ...
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1answer
26 views

Bypass Thermostat Heating UK

I have a Smart Thermostat installed called Tado, with a pretty standard UK heating and hot water set up. In my airing cupboard there was a timer that controlled when the hot water and heating was to ...
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1answer
116 views

What is the impact of a backwards connected hot water radiator?

When building a hot water heating system the plumber has connected one of the hot water radiators backwards, i.e., the loop comes in at the bottom of the radiator and leaves the radiator on the other ...
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1answer
481 views

Why does the blower in the attic vibrate during heating when it is really cold?

We have a Carrier heat pump system in our home, and the blower is located in the attic. When it is especially cold, the blower runs on high (there are three levels: high, medium, low). During this ...
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2answers
83 views

Electric baseboards draw electricity, but produce no heat

I recently purchased a house that has been vacant for about 6 months. I have 4 electric baseboards. When I turn on the circuit breakers for the baseboards, they draw a lot of power (roughly 6kw from ...
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4answers
8k 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, ...
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1answer
1k 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 ...
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1answer
29 views

Is it possible to add a branch to existing fireplace blower?

My fireplace has two blowers behind grates in the brick. Fans behind these lower grates mix air with heated air from behind the firebox and kick out a serious amount of heat into the room. The heated ...
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1answer
216 views

Why would only 1/3 of my registers be blowing warm air?

I have a Coleman gas furnace in a wall space in my house which somehow shares the blower on my a/c unit on the roof because it turns on when furnace is called to start, though it does bump up after a ...
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1answer
45 views

Could a leaking boiler be fixed?

I'm having a leaking hole in the cast iron boiler tube so does it mean that its time for a new boiler or is there any way it could be permanently fixed?
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1answer
58 views

No heating but have hot water

My hot water is working fine, boiler fires up OK. The problem is that my heating won't switch on. I have a wireless thermostat which appears to send and receive the correct signal as the receiver ...
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4answers
114 views

How can I add thermal mass to my house?

We're part of a real-time pricing program with our electric utility company, and a good strategy for offsetting electricity use during peak demand times is to pre-cool the house. The more thermal ...
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1answer
163 views

UK Vented Heating Problem - F25 Error on Glow Worm Boiler

We have had an intermittent problem over the last 4 months with our boiler cutting out with F22 and F25 errors (circulation fault/air in system etc...). Its a Glow worm Flexicom 18hx and has been ...
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0answers
8 views

trouble shooting home AC

air conditioner unit outside only turns on when the thermostat is put in to the on fan position.and the heat/cool is in the off position it's a carrier It's had heat all winter long. and now won't ...
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2answers
89 views

Can i use a water heater as my source for the in floor Pex tubing system?

I installed Pex tubing in concrete in 2 areas, both garage floors. I have been told 2 things.... one is that it will require a boiler, two, that a hot water tank will do the job. Cost is a huge factor ...
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0answers
16 views

How to add forced water radiator?

I have a very small cast iron radiator which works great, but when really cold temperature hits outside, it is not enough to heat that particular room (and it is on the third floor so 2nd zone is not ...
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1answer
178 views

Why isn't my Lennox G26Q3/4-100-6 furnace firing up?

I replaced the batteries, does not click when it calls for heat in the thermostat. fan blows but no heat. I took off inspection door, held the safety switch in, a blue light is blinking constantly, ...
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3answers
3k views

How can I heat up my apartment to kill bedbugs in Southeast Asia?

I have a bedbug problem in my apartment and I want to fix it myself with heat. (I do not want chemicals sprayed around.) Apparently, getting a room to 140 degrees for two hours is sufficient to kill ...
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0answers
17 views

Name of technique/material to reduce roof heat

I live in India. I have a cemented house. Here in my area, roof becomes very hot in summers and it heats adjacent walls too. To reduce this, people put a layer of organic manure mixed soil on roof. On ...
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2answers
54 views

In England: ground or air based heat pump?

Weather is not too extreme in southern England, will not need a/c. Want to install central heating for the first time in an old Victorian house. There are no radiators, no base board units, no under-...
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1answer
70 views

Why does water rush through pipes when no water is being used?

We live in a house with city water, septic well, water softener and sump pump. We periodically hear a very loud sound of rushing water through pipes in the house. It lasts about 15 - 20 minutes. This ...
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1answer
23 views

New thermostat for electric radiant ceiling heat

I live in the Pacific NW where radiant ceiling heat is common in older homes. I a have home built in 1969 and want to upgrade the thermostat to something newer that we can program and save money. This ...
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1answer
24 views

One thermostat with a switch to control 2 heating systems

I have a natural gas boiler and a pellet stove. I have a Honeywell programmable thermostat (2 AAA Batteries) that I have used independently with both of these systems. Switching from one system to the ...
3
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1answer
44 views

How much work is involved to change a conventional boiler to a combi boiler?

We live in a circa 8 year old detached house in the UK. We've been having some problems with our heating system, mainly the hot water tank and we're wondering how much work is involved to change to ...
2
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1answer
43 views

Heater air intake blows out the flame

The problem I have is the air heater shutting down in windy days and I'd like to figure out how to fix this issue. Here's the setup: The back of the house faces North to an open field which gets very ...
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2answers
52 views

reclaiming exhaust from 'on demand water heater'

Is there some way to recover the heat which is lost through the exhaust system from a 'on demand water heater' ?
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3answers
43k views

What's the best way to keep my garage from freezing?

I live in Colorado. My 1950s house has a one-car attached garage that was built in the 2000s. The walls that are not shared with the house are not insulated: the studs and sheathing are visible from ...
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2answers
70 views

Noisey Baseboard Heating

My house has baseboard heating from a natural gas water boiler and I am hearing some rattling when I turn on the heat at night on the 2nd floor. My house has 2 zones and I believe the issue is that ...
2
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2answers
24 views

Zoned heating system very warm even without heat on upstairs?

I know heat rises, but our 1st story floorplan house gets pretty darn warm during the winter months. Other than turning on the AC or opening windows in the upper story zone, anything else that could ...
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2answers
47 views

Why does my heating work poorly in moderately cold temperatures?

My house has a gas-fired boiler and hot-water radiators. I've noticed a strange problem since moving in a few months ago. If the weather is moderately cold (in the 30F - 40F range), my house feels ...
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3answers
4k 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 ...
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2answers
16k 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 ...
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1answer
24 views

Hydronic heat radiators not used for long time - should they be drained?

What should I do with radiators that have been out of action for about 3 years since the boiler went on the blink? Is it better to drain the water out of the system while system is dormant?