Questions tagged [heating]

For general questions on heating in your home. Be sure to also include tags describing fuel source (electric-heat or gas), type of components, etc.

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358 views

What is the principle behind lockshield valves?

I've read that radiator lockshield valves are used to "balance" radiators so that they warm up at the same speed, but I don't quite understand the principle of how this works. If the main ...
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1answer
71 views

Must a 4 ton variable speed air handler use a 4 ton heat pump?

This is an air conditioning question: Must a 4 ton variable speed air handler use a 4 ton heat pump or can a 3.5 ton heat pump or smaller size heat pump be used instead?
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348 views

NEST thermostat for hydronic floor heating: the three wire setup

I'm trying to install a 2nd generation Nest thermostat for my hydronic floors. So it's only meant for heating and not for cooling. Someone else removed the old thermostat a long time ago so I don't ...
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1answer
66 views

Does airflow work this way between rooms?

In my 1950s rambler house, all the heating is via water-based baseboard units. These units are all tied by a single piping loop to a boiler in the “center” of the house. The main room has the ...
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1answer
780 views

UK Nest Installation - Underfloor heating including floor temperature sensor/cutoff

I would like to use Google Nest with my underfloor heating system which is under a wooden floor. Other thermostats allow the user of a floor sensor which monitors the surface temperature of the floor ...
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1answer
46 views

Radiator turning off too soon

We have recently had new radiators fitted, but one of them appears to be turning off too soon on the TRV. Its a Myson TRV with numbers 1 - 4, as well as white and blue dots. We have the TRV set to ...
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1answer
99 views

Insulating my Room for the Winter?

I currently live with my parents, who like the thermostat rather cold during the winter (My room is 16C right now), and its not even December yet in NY. What steps can I take to properly insulate my ...
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1answer
90 views

What is this black device on the wall of the furnace/boiler room?

I've seen these in various places in the past and I'm wondering if anyone knows what the function of it is. There appear to be large resistors along the sides of the device and an odd round knob in ...
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1answer
338 views

Do I need one zone valve for each thermostat on a gas boiler?

If you have a natural gas hot water baseboard heating system that has 5 thermostats that control the heat do you need 5 separate zone valves on boiler?
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3answers
56 views

Venting floor heating

I've had sub-floor heating installed a month ago and I think I have a problem with the air in the installation, because there are some rooms that don't reach the desired temperature. The plumbers ...
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1answer
319 views

Rattling sound from heating pipes

I keep on hearing a rattling sound like metal banging from 1 section of pipe in my hydronic heating system, I tried bleeding but no improvement. Thanks
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60 views

Wood burning stove position in room

Currently, I have a wood burning stove with a double elbow flue going into the chimney. I'd like to get rid of the double elbow and that would mean that I move the stove approximately 4 feet to the ...
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2answers
6k views

The 5 amp fuse on my AC/Heater control board blows when I put the setting to heat

The 5 amp fuse on my control board blows as soon as you ask for heat. With a good fuse in the AC work fine and you can switch the fan from Auto to Fan on with no problem. As soon as you request heat ...
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407 views

Slant/Fin Victory II Boiler - How do I turn on?

This summer, we moved into a home that has sub-floor heating installed. However, I have no idea how to use the boiler or turn it on. The boiler itself (a Slant/Finn Victory II gas-fired boiler) has ...
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1answer
2k views

Where is the pilot light on my Carrier Infinity Series 48XT dual fuel hybrid furnace/Air Conditioner?

THE ISSUE We bought a new home and it came with this state-of-art system. The model number is #48XT-A6011530TP. Haven't had much luck finding information about this model or type of unit online. I'...
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2answers
334 views

Furnace Blower fan doesn't start

I have a keeprite high efficiency furnace that Was a part of my new house. It's 2016. The Honeywell thermostat is set at 23 deg C. This is what happens when the temperature is below the cut-off I ...
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59 views

Is this Coleman Recessed Heater Model #69 gas or electric?

Is the Coleman Recessed Heater Model# 69 gas or electric?
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1answer
192 views

Only 1 out of 7 baseboard have heat coming out

House Heating system: Mini Gas Low Pressure Boiler I have 4 Thermostats in the house (1-Master Bedr, 1-Kids room, 1-guest room, 1-living room) All 3 rooms are generating heat exept in the living room....
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58 views

My AC condenser is running when I turn heat on and it is not a heat pump, any advice? [closed]

I am wondering why the AC unit would be running and blowing warm air outside when heat is on.
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1answer
172 views

VT1001 talking thermostat has started saying “two sixty four”

I have a energy star rated VT1001 talking thermostat installed sometime in the early to mid 2000s. This morning it began to periodicall speak the words “two sixty four” (264). I cannot find anything ...
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2answers
150 views

Central heating system / boiler does not shut off

I'm hoping someone here can help with a mysterious fault with our central heating system, which sometimes gets stuck and runs all day even when the timer is off. It's a standard (for the UK) low-...
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1answer
1k views

Using 15-amp thermostat on a 20 amp circuit

I live in Washington state. I have a 20 amp circuit breaker on a circuit that drives two fan-forced heaters, connected through a single line voltage "dumb" thermostat, unknown rating. I would like to ...
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0answers
498 views

Voltage Drop between W1 and Rc wires

I recently converted from Oil to Gas. One of my zones is no longer working post conversion (it was working, then nothing worked, and then after they replaced a defective unit on the boiler it didn't ...
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1answer
956 views

Can a new water heater cause a Aquatherm heating system to fail?

I am quite unfamiliar with central heating systems, let alone those that use hot water as the heat source, so please forgive my clumsy attempt to ask this question. I have a First Co Aquatherm "Combo ...
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1answer
172 views

Solar powered thermal ballast - is it feasible?

My living room gets plenty of sun from big, west facing windows. As the cold weather is approaching, I wanted to make a device that leveraged this exposure to sunlight to store some energy and slowly ...
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2answers
607 views

Sizing Electric Baseboard Heat (Supplemental)

I have a 635 square foot finished basement insulated with closed-cell spray foam on the concrete. The climate here is zone 5A (Central NJ). I want to add supplemental heating via electric ...
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1answer
150 views

Why would a modern home have baseboard heating?

I am looking at homes for sale in New England and one house I saw had baseboard heating even though it was built in 2008 and is a luxury home (>$1M). I thought that it was standard to use forced hot ...
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2answers
459 views

What is the purpose of vent holes in stovepipe?

The stovepipe on my free-standing gas fireplace has a ring of quarter-sized vent holes at the base of the pipe, right where the fireplace meets the stovepipe. I've always wondered about the purpose of ...
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2answers
81 views

What is the typical (N.American/ UK) cost difference between greenfield installation of hot water heating and warm air (HVAC) ducting? [closed]

I am in a situation now where I am having to choose between hydronic heat distribution and forced warm air heating. There are many factors to evaluate and this question is not about the plusses and ...
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3answers
2k views

Removing old thermostat when replacing electric baseboard heaters

We're renovating a 30 year old home in the US and replacing three 240 volt electric baseboard heaters with new, modern heaters. Currently, each of the three 15+ year old heaters are wired into their ...
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1answer
126 views

How do combi boilers with built-in hot water tanks work?

A number of combi boilers on the market in the UK have small (approx. 20 litres) internal hot-water tanks. These boilers are commonly marketed as being suitable for households with high hot-water ...
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2answers
2k views

Goodman GMH95 furnace won't ignite

I've run into a problem with my Goodman GMH95 furnace not igniting... Background: At the beginning of summer, the capacitors in my AC condenser outside caught fire. It roasted the wires in the ...
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2answers
645 views

Modern replacement for in-room electric storage heaters (Stiebel Eltron ETS)

My house is outfitted with in-room electric storage heaters (installed in late 90s). The model is Stiebel Eltron ETS 208 (and 308). Those hail from the age where night-time electricity rate was ...
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1answer
743 views

Solar Water Heater Exchanger Removal, Glycol Removal

I have an old Reynolds Solar Hot Water Heater and would like to uninstall/remove it safely. All my solar panels were removed years ago but the tank is still here. COLD and HOT lines leading to solar ...
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2answers
62 views

My heating coil was bent. Should it be replaced?

I know nothing about home improvement so apologies if I have the terms wrong. My landlord sent someone inexperienced to replace my below-window AC unit, and the person somehow bent the heating coil ...
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2answers
76 views

Roofing insulation nightmare

We bought a house built in 1972. It has cathedral ceilings and tongue and groove throughout. The house is u shaped and the tongue and groove is not only the ceilings but the north and south walls, ...
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1answer
2k views

How to insulate around heater exhaust vent pipe?

In the winter I noticed that my garage (and the den next to it) get really cold by the morning. As in very close to the outside temp cold. I didn't know where to borrow tools to detect where the leak ...
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1answer
289 views

Converting Diverter-Tee System to Loop

I have an old house (~130 years) that has a hydronic baseboard system installed. The heating system is improperly plumbed: the 1st floor thermostat controls half the heating on the first floor and ...
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1answer
262 views

Considering replacing blown cellulose on attic floor with open cell spray foam. Should I just leave well enough alone?

EDIT WITH NEW COMMENTS/QUESTION: Begin edit/ Ok...a few thoughts based on your replies: 1) I totally agree that the insulation guy is selling something. Roger that. At the same time, the GC I've ...
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1answer
117 views

Remove Urine from Amana In-Wall Heating/Air-conditioning Unit

I just moved into a new apartment and noticed that when I turn the fan up high on the in-wall heating/ac unit there is a strong smell of urine. I swear that someone peed in it. Is there some way to ...
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1answer
269 views

Ductless Mini Split heat pump not cooling / heating outside of room

I have a wall mounted mini split (Fujitsu 9,000 BTU) installed in my bedroom over my bed, intended to heat and cool my upstairs (there has no suitable location in the hallway). It is a standard sized ...
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35 views

Is a Bathroom Heating Vent in Wall Shared with a Garage OK?

My home was built in the 1960s in MD, USA and has a ground floor bathroom next to the garage. The bathroom has a heating vent in the wall bordering the garage. (The wall is 2x4, not 2x6, construction, ...
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1answer
230 views

Red Wire labelled as 'Common' in HVAC

I'm looking to replace my old thermostat with a wifi one. Looking at the wiring on my HVAC, I can see red and white wires connected (matching what's connected to the back of the existing thermostat). ...
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1answer
2k views

Can I move warm air from 2nd floor to basement to help with heating?

I have a finished basement with an open stair well to the 1st floor which even in the middle of the summer needs to be heated to stay at 69F degrees. There's also a large open foyer leading to the 2nd ...
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1answer
92 views

Any Idea what this connector might be?

Any idea what the pictured connector might be and how it might be replaced/connected again? It is part of a steam generator, for a steam shower, providing power to the heating element, I believe. It ...
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1answer
155 views

No heat from AC after new coils in air handler and new thermostat

I just had new evaporator coils and a new thermostat installed. This was all due to a leak in the evaporator coils. Now I have nice new shiny aluminum coils. Once the system was filled with gas and ...
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1answer
48 views

Retroffiting buried pipes that carry hot water?

I am considering to improve the efficiency of an existing installation where heat pipes between house and hot water deposit have been insulated with a thin (10mm) neoprene sleeve and directly buried? ...
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2answers
214 views

How many of these items does the electrician put in?

Planning for a new construction. For the interior walls does the electrician: a. put in the orange tube for running future technology wires? b. wire for cat 6 Ethernet cabling for hard wire computer ...
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2answers
412 views

what is the most effective and cost efficient way to heat basement rooms via electricity?

I am finishing my basement and will have 1 bedroom, laundry room, full bathroom and family room with bar. I want the heating source in the basement to be electrical since the rest of the house is ...
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2answers
194 views

Boiler vent and expansion tank leaks

I had my boiler inspected and cleaned recently and the tech found a few issues. He showed me how the valve on the expansion tank would leak when he would push it in, which means the tank needs to be ...