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Questions tagged [fans]

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0
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0answers
21 views

Light and fan remain constantly on after changing bulbs to LED

Recently replaced old 40W ES bulbs to LED ones with the same fitting. However this causes the light and (timer) fan in the bathroom to remain consistently turned on despite the switch being in the off ...
0
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1answer
24 views

Venting Bathroom Exhaust Fan

Can I run the bathroom fan vent into the already installed sewer vent? Previously it was just vented into the attic but is causing mold to grow up there because of the moisture.
0
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1answer
27 views

Wiring help with ceiling fan

Massive struggle with wiring, just purchased ceiling fan and don't understand the two yellow wires and 3 red wires. Any recommendations? (https://i.stack.imgur.com/0ibZN.jpg)
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votes
1answer
22 views

Ceiling fan with 2 switches with remote

Where are the wires I have, I am confuse to where the red from the ceiling goes, nothing in the manuals talk about a red wire. Right now we have 1 switch controlling the light, and 1 controlling the ...
1
vote
1answer
36 views

Trying to hook up dimmer/fan switch but have an extra wire?

I am trying to replace a switch that had a 4 position light knob and a 4 position fan knob. The old one had three wires coming out of it and the new one has 4. Below is a picture of my wall and the ...
4
votes
1answer
54 views

Ice In Radon Mitigation System

I have a fan powered radon mitigation system installed in my house. It was installed in 2016 and I have not had any issues with it until this winter. I live in northern Iowa where we have been ...
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0answers
39 views

Replacing fan/light with 2 wall with fan/light controlled by remote

I am replacing an old fan that runs off 2 wall switches. Switch 1 controls the light. Switch 2 controls the fan. The new fan has remote only. The power source is 2 wire (Black, White, Bare). The ...
0
votes
1answer
21 views

HVAC blower often (but not always) gets stuck ON.

I have a mid 1970’s G&S furnace. The blower often (but not always) gets stuck in the on mode even when heat isn’t being called for. The only way to stop it is to unplug the unit. Re-...
0
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1answer
27 views

Bathroom light switch changed, now the light only turns on when the fan switch is turned on.

I switched the light switch in the bathroom today because the toggle broke off. I took out the old one, which is the Leviton 15 Amp Duplex Style Single-Pole / 3-Way AC Combination Toggle Light Switch ...
0
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2answers
45 views

control for attic fan

I have an attic fan with an old (MH Rhodes 90015 /marktime) mechanical timer switch. I want to replace the timer with a thermostat (presumably a line-voltage thermostat). To my surprise, in the ...
0
votes
1answer
65 views

Messed up the wiring in a 3 speed box fan, how can I fix this?

I am trying to convert a 3 speed box fan into an air cleaner. I took it apart, and accidentally pulled wires out of their wingnuts, and don't know how to fix them. I tried my best to draw the ...
1
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0answers
18 views

How to Run Fan Only with Thermostar Furnace With G Wire

I have a Thermostar Furnace that works great for Heating our home. We do not have AC and do not want that. But, we do want to be able to just run the fan without heat. The W and RH wires were ...
0
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1answer
148 views

Old house ceiling has unused brown wire, what is it for?

I'm a member of a sister site to this one so I thought I would ask this here. I'm replacing my ceiling fan the kitchen of my old house and coming out of the ceiling was white , black and brown wires. ...
0
votes
1answer
38 views

Installing a dimmer switch for a ceiling fan

I have a ceiling fan with a lights that have to separate switches- one to control the fan on/off, and another to control the lights on/off. I want to put a dimmer on the light switch only but I most ...
1
vote
1answer
69 views

Can new cable be run from switch to ceiling?

I'm installing a new bathroom exhaust fan in a first floor bathroom. I removed the old fan, and have the new one, but here's the problem... The cable is coming out of a joist and the wiring is too ...
1
vote
3answers
253 views

Compensate inadequate exhaust vents for whole house fan by installing a power vent in attic?

I would like to install a whole house fan in my 2400 sf house. However, with only three 1 ft x 2 ft gable vents, I'm looking at an NFVA of only 3 sf of exhaust vent when taking into consideration that ...
0
votes
1answer
65 views

When I flip the switch to turn on the ceiling fan it works…for a while. Then the circuits in the room blow. Is the issue electrical or an old fan?

I'll lead with saying I'm not a handy man. I'm not an eletrician. That said, light bulbs in our house do burn out in various places fairly fast. The issue at hand here though is the ceiling fan in my ...
1
vote
1answer
37 views

Bathroom Ceiling Fan Installation

I would like to intall a bathroom ceiling fan directly over my shower, where there is an existing light that is turned on by an adjacent light switch. I have several questions regarding this project. ...
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0answers
18 views

required space below whole house fan vent

I am installing a whole house fan in an old bungalow. There are no hallways in our house and there is really just one place that makes sense to install the fan inlet. That location in central and ...
-2
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1answer
32 views

Optimal fan placment? -room layout [closed]

The door is always closed. The dark green means possible placement on the floor. Should the fan point inward, outward, at the wall? Thanks!
0
votes
0answers
21 views

Fujitsu split-fan A/C 2 indoor fans - only one blows cold air

I have a Fujitsu split fan system with two indoors fans (connected to one compressor). I'm experiencing a peculiar problem in one room where I set the A/C to on, the compressor starts outside but no ...
0
votes
0answers
71 views

Amana Prestige Air Con fan won't spin

I have an old Amana Air Con unit that stopped working. The fan won't spin. The condenser kicks in. I can manually spin the fan and it goes like a champ. I have replaced the cap already. Any ideas or ...
0
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2answers
43 views

Incandescent Equivalent for Bathroom Fan/Light

We are looking at lights/fans for the bathroom. We don't want to spend a lot of money. The fan/light combination units at Menards and Depot say to use incandescent or energy-efficient equivalent. The ...
0
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0answers
758 views

Why does my bath fan trip the GFCI outlet protecting it?

I am attempting to protect a new bath exhaust fan (DewStop Breezeasy F22-1w) through a GFCI (Leviton SmartLocPro) The area is a new construction bathroom. Each time I attempt to switch on the fan the ...
0
votes
1answer
24 views

Is my control board bad?

I have a Goodman evaporator/gas heating unit that runs the central fan motor constantly after it is powered up a couple of seconds. This happens regardless of what wires are hooked to the control ...
0
votes
1answer
582 views

Fan wiring with no wall switch

I am replacing a ceiling fan in my home built in 1999. The electrical box has four wires, black, white, blue, ground. I have no switch on my walls. The old fan was controlled by a remote and we had ...
1
vote
1answer
65 views

Ceiling light/fan remote problem

I have a ceiling light/fan controlled by remote only - no light switch or pull cables. Now the remote receiver is broken and the company doesn't make the replacement part anymore. So in buying a new ...
3
votes
2answers
4k views

Means of adjusting fan speed on Bryant gas furnace

My home is heated by a Bryant 359AAV furnace. The thermostat controls and indicates whether the fan is ON or OFF, but the furnace has a four-speed fan. I believe the installer set the fan on "HI" and ...
0
votes
0answers
76 views

2 identical ceiling fans stopped working after reinstalling them

I am a professional electrician. I took down 2 ceiling fans and after reinstalling them they were no functioning anymore. Can anyone explain me how is this possible please??? The electricity cables ...
1
vote
1answer
541 views

Fan or Blower for Air Hockey Table [closed]

I want to build an air hockey table - pretty much a box about 2m by 1m, with 1mm holes cut into the top surface. I read somewhere that slightly bigger tables use fans which can move 350-400CFM. I ...
0
votes
0answers
567 views

Low speed furnace fan blower motor will not shut off

I have a carrier furnace that has a low speed fan blower motor that will not shut off no matter how long I leave it running. I checked that removal of the G wire at the control board does not change ...
1
vote
1answer
29 views

Which Fan / Blower Type should I chose? [closed]

So I was hesitating if this is the right Stack Exchange site or the physics one so let me know if you feel the physics one is more appropriate. Goal I am creating a project where I will need to ...
2
votes
1answer
130 views

Coleman 6230-901 outdoor unit fan running slow (and continuously)

I have an old rental mobile and the heat pump is operating normally, except the outdoor unit fan is running all the time (unless the breaker is off), and it runs very slowly. The run capacitor ...
0
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0answers
38 views

Troubleshooting power for bathroom fan/heater/light fixture

Situation: installing new switches for 3-in-1 heater/fan/light fixture. Old custom switch set (broken) had three switches and an indicator light. New generic set has three switches and an outlet. ...
0
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1answer
49 views

Exchange bathroom fan

I moved to the new condo and found that fan works loud. The sound meter showed that the noise level during operation of central ventilation (without fan) is between 46 and 49 dB (it is the average ...
1
vote
0answers
1k views

Running Airwave/Fan schedule with Nest (With Fresh air intake HVAC)

I am trying to make sure I am understanding the research/studies behind using just the fan to help reduce energy to cool/heat home. Nest has the option to set a schedule to run the fan in home to ...
0
votes
1answer
2k views

Blower fan works w/ a/c “auto”, not with heat “auto”

I know there are similar questions out there but are there any new ideas? When I turn on my heater, the gas fires up but the fan doesn't turn on. I know the fan is still working because it will turn ...
0
votes
2answers
215 views

Replacing a switch where power comes thru the fan to the timer switch, with only 2-wires? [duplicate]

I can see an answer where it suggests a 3-wire run from the fixture but I'm hoping to use existing wiring and it only has black and white wires coming from the bathroom fan to the old timer switch. ...
0
votes
0answers
168 views

Help wiring a ceiling fan switch with oscillating and fan switch

Here is what I have going on. I currently have a motion sensing switch wired in the garage to a single light. From that light two outlets have been added to plug in two additional overhead shop lights....
1
vote
1answer
497 views

How to set Nest Thermostat to control blower without heat

I have a Lennox G14Q3 propane furnace (forced air). I used the Nest/furnace setup last winter without any problems with just the W and R terminals. But, these summer days I would like to push air ...
0
votes
1answer
42 views

Can someone identify this fan switch (PHOTO)

This fan switch has become unresponsive. Looking to figure out whether it needs a battery or is self-powered. Would be great to get a make/model ID, manual or simply an answer on how to address. ...
0
votes
2answers
841 views

How to change the speed of a table fan?

I have just bought a $15 table fan, AC, ie plugged into wall mains. The lowest speed setting is still too fast for my requirement, and hence also too noisy. I estimate it to be around 5 revolutions ...
0
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2answers
822 views

Why does hot air from my fan heater stop after 4 to 7 seconds?

Product: Challenge fan heater: model E9907R-N -- 230-240V -- 50 Hz -- 2750-3000W. While off, something fell through the grid. I opened the fan heater to remove it. It now doesn't blow hot air (...
1
vote
1answer
50 views

HVAC system electric diagram help

I am trying to revive an old three phase 5HP HVAC system so I took a look at the 25 years old electrical system digram and came across 3 three sections which I could not understand completely (I am ...
1
vote
1answer
385 views

Wiring multifunction fixture to 2 switches, 2-wire cables

I'm replacing a fan in a bathroom. The setup I have currently cannot be changed with new wiring. I can add pigtails but I can't run a new 3-wire cable through the chase. Power supply runs to the fan ...
1
vote
1answer
62 views

What amps would I need for a variac fan controller?

I'm looking for a variac controller for a fan. I found one, but it's available in different models based on amps. How do I work out which controller would be the best one for my fan? My fan specs are:...
1
vote
2answers
3k views

Light bulbs won't dim

Rectory we removed an old fan that had 4 a19 bulbs in it and replaced it with a new harbor breeze that had 4 cadleabra bulbs, we didn't like the light output or hue so I swapped the cadleabra bases ...
0
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3answers
579 views

Kitchen Fan extraction not working as intended

After a long time suffering of sub-optimal fan extraction in my kitchen, I decided to go to the root of whatever was causing it. I have a Zanussi ZHC60136X. I clean the filter grids every now and ...
0
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0answers
33 views

Ceiling fan attachment at kitchen

I got a ceiling fan for my kitchen but there is only a mounting point for a lamp. Their is no rod to hold the fan. Is it possible to hang a fan at that point?
3
votes
1answer
14k views

Better to run air conditioner fan on high or low speed?

In my apartment, I have two window air conditioning units. Both have different settings for the fan speed: one has two speed options and the other has three. Both have the design that the room ...