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.
1,265 questions
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Hydronic Heating System Pressure Changed after Draining and Refilling. Why?
I have a natural gas boiler, with cast iron radiators. This is a hot water system, closed loop system.
Just replaced seized bleed valves on 2 cast iron radiators:
1 - Drained the system.
2- Replaced ...
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Advice needed: placement of kick heaters
I have a question that I'm hoping someone can help me with. Attached is a diagram of a kitchen remodel I'm doing.
We've gotten the question from the plumber as to where we'd like to place two 4000btu ...
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Do pipes burst all at once, or do they burst in sequence?
I'm working with a 250-year-old house.
The house was unoccupied for several years before I came in, so I don't know if the damage I'm about to describe is the product of freezing.
I'm getting a ...
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Does underfloor heating require screed?
We've just bought a house in the UK with underfloor heating, where the flooring tiles were clearly installed by a cowboy, dotted and dabbed straight onto the underfloor heating (which is water heated, ...
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Can I reconfigure two 5" ducts into a single line & what size should they be?
I am trying to move a floor register location. Currently I have two 5" HVAC ducts being fed from a 6" x 10" rectangular trunk. The one 5" run has the register in the middle of ...
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Can this upper fireplace vent be covered?
Can this upper vent be covered/removed? This is a wood fireplace, that we plan on using. There is also a hole in the right side of the fireplace.
We plan on putting a large post/shelf where this vent ...
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Baseboard heating stuck on in one zone
I came down to the kitchen this morning and noticed that the heat in that room was on. I checked the thermostat, and it was set to 68 (there is no off switch on this one) but was registering about 80 ...
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Mini split to cool one room and heat another
We live in a three story house, with our bedroom in the third story loft. On sunny days, it gets too warm up there, even with the windows open (not to mention the neighbor’s 4:00am rooster crowing). ...
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Estimating heat pump energy usage
My house is heated by an old oil furnace, and the oil tank could spring a leak and flood our basement at any moment, so I'm hoping to replace it with a ground source heat pump this year. I'm trying to ...
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Sealing ducts myself
I have a furnace with AC in the basement. I have poor airflow in my top floor vents (furthest from the furnace). and even the room with the cold air return doesn't change temperature very quickly. ...
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How do I completely drain and decommission hydronic radiant heating system?
Purchased a home which has a floating floor radiant heating system installed in the basement. I am looking to remove the system as it was poorly designed and installed. I've closed off the fresh water ...
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Painting over rust on heating pipes
I live in an older apartment building (circa 1968-69). I just stripped layers of old paint and putty off of the heating pipes in my bathroom. I'd like to repaint them with silicone-based acrylic ...
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How does this wood stove work?
How does this wood stove work? My current understanding is, that a fire is created in the stove shown on the first picture bottom left. Then coal is transferred to the wood stove in the middle of the ...
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Best in wall electric heaters to replace Cadet HW078 [closed]
my condo came with Cadet HW078 heaters installed throughout. There are 4 total: 1 in each bedroom and then 2 in main living room area. Total size of the place is 1084 square feet. I live in San ...
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Is heating load related to volume of area/surface?
I am working to improve distribution of my heating (ductwork). I found multiple sources to calculate the heating load (either per room or whole house):
Most of them use the volume (room area times ...
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Oil boiler, remove baseboard from entire house but keep the water heater
I have a question about removing Hydronic Baseboard but keeping the boiler and water heater in place.
Is this relatively straight forward?
Shut off power
Cut off the supply and return for the ...
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Why would water faucets use a different energy source from the radiators?
In my apartment, hot water in the faucet is heated by an electric heater, while the hot water in the radiators for heating the rooms comes from a central gas boiler in the building. To me it seems ...
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Best placement of supply vents in a home
We recently had an energy efficiency contractor visit our home, and they claimed the best placement of supply vents was actually the shortest distance from the furnace. According to their explanation, ...
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Dryer timer not advancing and not heating
Whirpool brand dryer timer not advancing at all. It’s also not heating as well. I checked the thermal fuse, thermostat and heating element by using continuity. All of them looks good as much as I can ...
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Use one Ecobee thermostat to control three electric baseboard heaters with Aube RC840 relays?
We have a number of electric baseboard heaters in our house that I would like to smarten up. Eventually I intend to get rid of these baseboard heaters, and replace them with a better heating system, ...
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Hydronic heating system uses ONE line for supply and return?
Have just bought a house in which we've inherited a hydronic system - so just beginning diagnosis and diagramming, etc.
It seems that radiators use only one line for both supply and return; presumably ...
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Laying flooring over existing ceramic tile with radiant (hydronic) heat?
We have approximately 4k sq. feet of ceramic terracotta-look tile (late 1980s). We've been wanting, now needing, to update the house but this tile has kept us from doing it. We have a large great room,...
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Can I directly power a warmfloor heating wire with mains power for testing purposes?
Sometimes on a jobsite the lighting will be wired up but the lightswitches have not been installed yet ... so you drag a live extension cord up to the wall and stab the romex hot/neutral in and ... ...
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Removing baseboard heater/heating loop and purging air
I need to rip a baseboard heater out: the cabinet, the copper piping, everything. There is no longer a need to heat that room (reasons: outside the scope of this question).
This is fuel oil with an ...
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Can I use a single water heater for hot water and heating?
I was just wondering if I can use a single water heater for both my hot water and heating throughout the house. Is it safe and legal? Is it efficient? Right now we have a mix of cast iron radiators ...
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Why type of drywall-like material to use on a gas fireplace?
Context
I am remodeling an addition with a gas fireplace. The gas fireplace manufacturer recommends to not use drywall as high as 12in above the firebox. I am looking for a material that is similar to ...
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Why didn't more fire-heated homes have simple heat recovery systems? [closed]
Random question. This isn't something I'm going to build myself, and I've never lived in a cold climate, but I'm curious.
I read about "old drafty houses" in books, and part of what makes ...
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226
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Heat pump for additional heating capacity in downstairs of house
My house (Portland, OR, 2900 sq ft) has central gas heating and central AC. The house was built in 2017 and is well insulated, but every winter we face an annoying problem: downstairs and upstairs ...
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Do I need insulation under electric floor heating in appartment bathroom?
I live in a large apartment house in Central Europe and I plan to add electric floor heating in my little bathroom for convenience. I own the appartment. The building has central heating units in the ...
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Air circulating upwards due to cold floors
I did an experiment in a bedroom of mine with a lot of incense, I got the room to the point where there was a thick cloud of smoke. What I noticed is that there was a constant upwards flow of smoke. I ...
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Lenox Furnace won't stay lit [closed]
The code I have been getting is the alternating slow flash - watchguard. burners failed to ignite or lost flame 5 times during heating cycle. I have already cleaned the flame sensor but it still fails ...
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Required Circuits for Waterfurnace Geothermal Unit and Aux Heater
I am pulling the permit and installing the electrical wiring for my Waterfurnace 7 Series 4-ton Ground Source Heat Pump / Furnace. These are the components:
7 SERIES 700A11 Model 048 (Reference ...
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Which LVT technology is better for underfloor heating
We are in process of building a house. Now we are in the state where we need to choose the flooring. We have two LVT options to choose from.
One is glue down LVT which is 2mm thick, the other one is ...
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Hydronic floor floor system problem
Here's a picture of my hydronic floor heating system with three zones.
A tech came out and told me that the feeder was bad. He also told me that on the controller board everything's working as it ...
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Heat Pump only heating for a few mins
I have a heatpump that will only run for a few mins before shutting off, inside blower runs nonstop. Cycles on again in about 45-60mins.(vent blows out warm air the first few mins then room temp air ...
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Is a Cold Climate Heat Pump The Best Option to Replace Gas Furnace? [closed]
I live in the Canadian prairies (cold winter -30C or below possible, hot summer +30C or above possible). I recently purchased an AC unit and have had it installed. Recently, my circuit board on my gas ...
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Critique my Radiant Hydronic Heating Plan
I'm planning to install radiant heating lines in my new "studio" (essentially a detached garage). I want to save some money by doing parts of the project that I feel confident with. I think ...
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Why is my HVAC return duct near ceiling next to supply duct? [closed]
I've owned this home for about a year and this has always intrigued me. My 2-story home has a supply duct nearly pointing at a return duct in the center of the hall upstairs.
Two questions:
Would hot ...
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Choosing between hybrid and all-electric heatpump system
I live in Scotland, in an ordinary 25-year-old detached house with reasonable insulation. I have been getting quotes for heat pump installation to take advantage of the funding that is currently ...
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2k
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fan blows too long after heat cycle
I have a Rheem RH1T6024STANJA hvac system, and after any heat cycle runs, the thermostat clicks off but the fan continues blowing for 3 minutes. Now I am fully aware that it is normal for systems to ...
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How to wire relay for heat-pump/boiler with backup heater
I have two heat-pumps controlled by a tekmar 262 boiler control. The heat pumps heat water in a storage tank, which is then circulated through the house. The storage tank is designed for hydronic ...
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Problems with Honeywell T5 Thermostat Short-Cycling in Heat Mode
I have a Honeywell T5 WiFi Thermostat. I am running a gas furnace and an AC system that uses the furnace air handler. There are H, R, G and Y wires coming from the furnace. There was an unused 5th ...
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Why is my house freezing and my gas bill astronomical?
I live in a multifamily row house in the northeast. There is a 2 bedroom, 1 bath garden apartment plus a 2 floor duplex and a basement. I am the owner and I live in the duplex, we rent out the garden ...
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Propane vs electric water heater energy cost
My calculations tell me that propane water heater should be an economical alternative
to an electric water heater.
But, looking at Energuide labels of comparable water heater, I seem to be wrong.
...
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Proportional circulation pump control - possible for "simple" pumps?
Thinking of implementing proportional pump control to raise efficiency in our hot water based heating system.
Proper proportional control is possible using PWM control in high quality pumps like the ...
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1k
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What's the proper way for running thermostat wire along heating pipe?
I'm running new thermostat wire to my boiler (so I can get a c-wire to new thermostats). The old wiring runs along the heat pipe before it attaches to the zone valves. It used to be secured by wire, ...
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624
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Hydronic heating not working, but have hot water
I have a Navien combo-boiler system with two hydronic baseboard heating loops hooked up to it. Our on-demand water heating (showers, etc) are working fine. Both heating loops however, are not. I have ...
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Furnace starting, stopping immediately, frequently
We have a Goodman model AMS81005CXAC furnace with a Lennox AC on top of it. PCB is *134.
About a week ago, when coming back from a vacation when it was set to 55 for two weeks, it was starting/...
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circulation implications of removing a hallway header
Sorry for the grainy pics but should be sufficient.
The header above the entry to the hallway from the living room is non-bearing and I'd like to remove it. Question about its usefulness tho, and I'm ...
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2k
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Heat pump not blowing warm air when on heat - puzzling behavior
Config:
Ecobee thermostat
Lennox setup (furnace, heat pump, indoor coils)
Installed for ~6-7 months now
Problem:
Setting the Ecobee to Heat for 66F (not aux - just using the heat pump) turns on the ...
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