Questions tagged [fans]

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votes
5answers
48k 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 ...
2
votes
3answers
585 views

Quickest way to circulate outside air thru house?

All but one major room is part of a single path through home, from a window on one end to a window on the other. In the evening I want to bring in cooler outside air as efficiently as possible. If ...
0
votes
1answer
28 views

Pedestal Fan stopped working

Thanks in advance but my 2 year old LASKO Pedestal Fan (1880C) suddenly stopped working. The power goes to the control panel so it is not the cord. There is no hum, so it may not be the capacitor. I ...
0
votes
1answer
40 views

How to wire Bathroom fan with timer?

Please Heeelp!!! I just purchased a bathroom fan "Aero Still 100T" wich comes with a timer. This fan comes with 3 wires, white, red and black however I realized that the connection wires ...
0
votes
2answers
82 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?
0
votes
1answer
34 views

fan motor with capacitor

Hi I have a fan motor off a blast chiller which im hooking up to my still radiator. the wires are brown black and blue. it has to have a capacitor in line and thought it would be brown but I have ...
0
votes
1answer
64 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
2answers
22 views

What size of exhaust fan do I need, how many air changes, CFM?

I need to provide an exhaust fan equivalent to ventilation by a 4 square feet of window. What size of exhaust fan do I need, how many air changes, CFM? My client wants to replace a bedroom window with ...
2
votes
3answers
2k views

How to verify electrical box is secured strong enough for 16# ceiling fan?

The metal electrical box says it's "Acceptable for fan support when secured with 10-32 screws provided". The box has 2 black screws (sheetrock screws?) in the middle that are screwed to some piece of ...
0
votes
1answer
47 views

Replacing existing ceiling fan, with on/off switch only to wall mount control of light/fan

My old ceiling fan switch used black, red, green (ground) no white. Built after 2004 white was in outlet box, 4 white wires but all together in single cap - not used. New wall mount switch has ...
1
vote
1answer
74 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)
1
vote
1answer
49 views

Change to different condenser fan motor model?

I have an HVAC system that has a condenser fan motor that has gone bad. The motor is no longer available. What considerations do I need to make in order to replace the motor with a different motor? ...
1
vote
0answers
32 views

Combine two bathroom exhaust vents?

I have a tiny bathroom for the toilet, perhaps 83 cu ft adjacent to the master bathroom for the shower and tub, perhaps 1266 cu ft. Currently only the toilet has a vent with a fan. It’s being removed ...
0
votes
2answers
30 views

Garage fan selection and placement

I would like to put a fan in a 2 car garage woodshop (it's getting awfully hot to work in in the summer). I was thinking something like this: http://www.airkinglimited.com/page/industrial-ceiling-...
2
votes
2answers
5k views

Wiring a fan/light/Bluetooth fixture

I am wiring a fan with a white/black/green wires. The cable going to the switch box to fan has an extra red wire that was twisted with the black. I capped the red and connected the matched colors to ...
4
votes
2answers
11k 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
9 views

Increase fan speed (wiring) on Bryant Legacy Furnace

I have a two story house. The second floor gets hot even with the AC going. Right now, with no AC running and the thermostat set to “fan on”, the blower is set up to run at low speed. Since it’s a 3 ...
1
vote
0answers
16 views

Fan Only operation not working - gas forced air furnace

So i followed online guidance to enable "fan only" mode for my forced air gas furnace, Essentially that was to connect the "G" terminals on the t-stat and the furnace board. Seems simple enough, but ...
1
vote
2answers
68 views

Shut off breaker but still hot?

I started replacing a light fixture with a fan + light, and ran into a weird issue. My contactless electrical tester indicated current despite having turned off the breaker. The light was off in the ...
1
vote
1answer
756 views

Converting a 3 way circuit from controlling outlets to controlling a fan

I have two switches in the livingroom that control the outlets in the room. We never use them and in fact since we swapped out all the outlets due to age, we didn't split them so they're hot all the ...
4
votes
2answers
4k views

Bathroom in-wall exhaust fan with dimmer?

In searching this SE, I see many questions discussing traditional ceiling fans and dimmer switches. This question revolves around bathroom in-wall exhaust fans and dimmer switches. Is it safe to ...
0
votes
1answer
18 views

Thermostat fan control on old furnace without circuit board

I have an old gas furnace without a circuit board. Just a 4064 fan limit control, 24v transformer, gas burner control and fan. I wired a new wifi thermostat in. It works great. I would like to be able ...
12
votes
3answers
112k views

What is the purpose of a watt regulator in my ceiling fan?

The lights on my harbor breeze fan stopped working this morning. When I came home from work, I got the ladder and took down the lights. I don't have a multimeter but I saw that there is this Watt ...
1
vote
1answer
49 views

Pigtail solution?

I have a celing fan in one room, a light with three 60 watt bulbs in the kitchen. They are both controlled by switches, but one turns off and the other one turns on. Can I pigtail them together on the ...
0
votes
1answer
24 views

Fan will not oscillate [closed]

I have a pedestal fan that I have had for a while and recently stopped oscillating. what is the fix for this? would it make more financial sense to just buy a new one?
6
votes
2answers
1k views

Strange Wire in Bathroom Wiring

I was recently working on some wiring in my bathroom, and I noticed a 3rd load wire that I couldn't quite explain. There were 4 Black Wires coming in (with 4 corresponding White Neutral wires). One ...
0
votes
1answer
56 views

Replacing power cable of wall fan

The original fan cable was damaged so i thought maybe i could cut it off and replace it with a cable and plug from an extension cable. The wierd thing is, it worked for a while and now doesn't. In ...
0
votes
3answers
970 views

Blower motor lost RPMs after reversal of fan direction

My air handler requires a clock wise rotation of the fan motor. After installing a new motor I found it was set in the counter clockwise position. I changed the wires (switched inline connection on ...
1
vote
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 (...
2
votes
0answers
55 views

Trane HVAC condenser fan runs backwards

I installed a new fan motor on my Trane condenser. It's 240V three-wire Genteq motor that's described as clockwise shaft-up rotation https://www.northamericahvac.com/trane-american-standard-...
1
vote
1answer
155 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 ...
0
votes
1answer
70 views

Axial or centrifugal fan for short run out of kitchen?

I'm researching replacements for a broken extractor fan in my kitchen. It is wall mounted and runs through the wall straight outside, no long ducting involved. The current (broken) fan is the ...
2
votes
1answer
241 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 ...
1
vote
1answer
2k views

Can I connect a battery reserve to my solar attic fan?

I have recently purchased a solar powered gable fan for my attic. This fan will only work when the sun is up, but I would like a little more out of it during the early evening hours (no sun). Is ...
0
votes
0answers
257 views

Condo fan coil thermostat fan never turns off, cooling is humid

My thermostat in my condo is a honeywell thermostat and it the only options it has are System and Fan. Fan is set to auto (other option is Lo Med Hi) and the System is set to Cool (or Auto or Off). ...
3
votes
2answers
3k views

How can I wire a single gang 3-way fan control and dimmer?

My client's new fan is installed on a 3-way switch above stairs. The switches are located top and bottom, on separate breakers. The fan and light are operated simultaneously. The light attachment has ...
0
votes
0answers
16 views

Bath Fan/Light Wiring

12/2 Line coming to box where SW will be installed. I want one SW for vanity and fan lights, the other for just the fan. SW is a Legrand RCD11 paddle switch with two SP SW going to a 14/3 to the fan/...
3
votes
1answer
69 views

How to wire this back up?

I was trying to replace my ceiling fan and well of course I didn't take a picture of how the wiring was before I tore it apart so I'm trying to figure out how to put it back together so everything ...
1
vote
1answer
114 views

Can I manually switch off booster fans that are coupled with HVAC blower?

Could not get upstairs in 1900 craftsman bungalow cooled with HVAC system until the contractor inserted a booster fan in each of the two ducts. Fans are coupled to the blower of the HVAC. Now in fall ...
1
vote
1answer
40 views

Wiring for NuTone Roomside Bathroom fan

We have one switch for the bathroom fan and light. I am not sure how to connect the new fan to my existing wiring. I have included pictures and would appreciate any help. enter image description ...
1
vote
3answers
139 views

How to make a table fan noisy?

This sounds an abnormal question at first, but I really would like to know how to make a normal table fan noisy (which parts to change). The reason why I want the noise is that the noise from the ...
2
votes
1answer
758 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 ...
0
votes
2answers
311 views

Furnace Blower Motor fan hums but wont start

Furnace Blower Motor fan hums but wont start until I turn it by hand, then it runs fine. What should I check?
5
votes
1answer
331 views

What is the purpose of a bathroom fan filter? What is the risk of not using a filter?

Our bathroom fan filter was worn out and very dirty with cigarette smoke from the previous tenant¹, so we removed it. We could replace it, but why does a bathroom fan need a filter in the first place?...
1
vote
2answers
50 views

Help with wiring a computer PWM fan to DC voltage

I've recently purchased a "fume extractor" from China which is basically a filter with a pc fan behind it. The Fan pre-installed isn't really doing much of anything and I would like to replace it with ...
1
vote
2answers
523 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
vote
1answer
27 views

Control fanlight with both remote and switch

I would like to control my fan using remote and the light on the fan using both remote and switch. Is that possible. I have 1 black wire, 1 red wire for light, neutral and ground wire coming from the ...
0
votes
1answer
46 views

Trying to find a odd shaped fan blade

So we bought a new house and one of the fans had 1. ugly blades and 2. one blade was broken. Naturally I took one good blade of and went to Lowes to find a replacement. It turns out though that this ...
3
votes
2answers
96 views

Bathroom Exhaust Fan/Light wiring

I am replacing the exhaust fan in my bathroom, however it seems like there is an extra white wire on the fan. The wires came with “quick connectors” - do I remove these and tie the whites together? I ...
1
vote
1answer
950 views

Replacing compressor motor (going from 3 wire to 4 wire) and question about wire colors

I am replacing a GE motor with an equivalent Mars motor, they are same fitting size, HP, RPM etc. and volt range 208-230. The wires are different though: The old motor had orange, blue, and black ...

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