Questions tagged [fans]

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2answers
278 views

Dual Evaporator Refrigerator — Evaporator Coil and drain Freeze up… Internal Fan Operational?

I've got a very nice split door refrigerator, bottom drawer freezer. (GE model GFE2HSHFSS). This unit has two separate evaporator coils, one for the refrigerator (fresh food) and another for the ...
1
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2answers
147 views

How to calculate CFM/pressure needed to move water vapor through duct?

I made a cheap, high capacity humidifier from a mist maker, storage crate, and 120mm fan (the fan blows into the crate, which pushes the mist out). This 4" flex pipe works fine to exhaust the mist ...
2
votes
1answer
625 views

Bathroom fan too loud

I recently installed a new bathroom fan in our master bath in hopes for a much quieter environment. I installed a NuTone Model # AERN110 (110 CFM, 1.0 sone). I've never had an ultra quiet exhaust ...
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1answer
60 views

Bathroom Fan Leaking/Dripping

Can you help some frustrated new home owners? Our 14 month old new home is leaking this brown liquid into our bathroom. This almost exclusively happens after a snowfall and it starts to melt. We get ...
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0answers
51 views

Bathroom Vent Fan Leaks

I have red water leaking/dripping from the vent bathroom fan in the second floor bathrooms. This only happens after a good snowfall and during the snow melt as it warms. We get about 6 hours of ...
2
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0answers
2k views

Blower fan won’t come on in “auto” mode but will in “on”

I have a Honeywell model number NHGK076AF01 propane furnace. It is about 15 years old. The problem started when I noticed the breaker had tripped and I had no heat. After resetting breaker, I tried ...
0
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2answers
40 views

Can I replace a fan timer with one having duration options beyond one hour?

We have a dial that only goes up to an hour to control our fan so we are continuously getting up and turning it for another hour. Can this be replaced with a longer timer dial, like 12 hours?
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1answer
68 views

Is DC Pedestal fan motor whine normal at low speed?

I have a brand new DC motor pedestal fan with 12 speeds. At the very low speeds the motor makes a whiny bearing type noise. Is this normal for low voltage DC fans?
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0answers
500 views

Lutron Fan & Light dimmer switch wiring

I have a hunter Fan/Light I am installing. I purchased the pictured Lutron switch to control the fan/light. My power source comes into the switch box and is wired as follows: Power source (Black) ...
1
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1answer
71 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.
1
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1answer
70 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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1answer
989 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
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1answer
64 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
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1answer
759 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
75 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
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1answer
25 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-...
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1answer
182 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
153 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
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1answer
1k 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
36 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
241 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
235 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
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1answer
84 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
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3answers
836 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
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1answer
208 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
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1answer
40 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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1answer
34 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!
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0answers
106 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
176 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
2k 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
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1answer
53 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
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1answer
2k 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
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1answer
134 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
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2answers
10k 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
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0answers
104 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 ...
0
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1answer
946 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 ...
2
votes
1answer
218 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
127 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
69 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
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0answers
2k 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
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1answer
3k 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
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2answers
544 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
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0answers
291 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
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1answer
724 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
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1answer
45 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
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2answers
3k 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 ...
1
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2answers
2k 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
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1answer
57 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
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1answer
602 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
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1answer
91 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:...