Questions tagged [fans]

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36 views

Kitchen vent damper in condo

Forgive me - first timer here, but I'm striking out on Google searches. I live in a condo with central venting for the bathrooms & kitchen. The microwave is installed above the stove and hooks ...
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0answers
25 views

Fan running 24 x7 despite Thermostat set to Auto for Fan

I have moved into a new condo unit in Toronto and it seems my fancoil keeps running 24x7 despite the thermostat set to Auto for Fan. Even when the temperature is set to a temperature lower than the ...
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1answer
36 views

Attic fan installation

I am wanting to install an attic fan over the gable vent and had a couple questions. There is a 2x4 running through the center of the vent. Can I cut this in the middle so it doesn’t block the fan? I ...
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1answer
41 views

How do you wire a current sensor to multiple fans?

I have two booster fans that I only want to run when the main HVAC blower fan is on. Each fan will have its own speed controller. How do I wire them both to the same current sensor switch? Should I ...
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1answer
54 views

Can replacing a low voltage wire actually make the air handler blower blow more air?

Our system stopped cooling, it is 11 months old. The service tech found a low voltage wire running from the handler to the outside unit bad. He showed me the wire was not connected but dead now, after ...
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28 views

electrical ceiling fan wiring

I am trying to install a ceiling fan that had 2 separate switches to a dual control lutron dimmer switch . I blue wire (hot) directly wired to the blue fan wires. I have a red wire that is in the ...
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0answers
24 views

HVAC auxiliary fan relay wiring help

I set up a two zone whole house dehumidifier system with 24v no/nc dampers, primary and secondary zones. the primary zone is controlled by a Aprilaire model 76 external control and the secondary zone ...
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3answers
51 views

Size of insulated flex hose needed to install for bathroom exhaust?

What size of insulated flex hose do I need to install for bathroom exhaust. Fan is 110cm. Length of hose in attic is approx 15-20 ft, going just about straight to the exit site. Bathroom size is ...
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1answer
19 views

3 led pot light in bathroom blink when turn fan on for a second but stay off

I have 3 led pot in my bathroom with my pot light off I turn my fan off and on some times the pot light blink for a second but stay in the off position
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2answers
26 views

Fan in my furnace will not turn on in the manual position [closed]

When I turn my thermostat to the off position and my fan from auto to on the fan does not turn on. I have a Goodman electric furnace. Is this normal? The fan will run if I call for heat or cooling but ...
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1answer
17 views

When switch furnace on, ventilation fan turns off

Ventilation fan works fine when heating is off but immediately switches off when heating is turned on. Consequently the furnace runs for a minute and then overheats and turns off. Any idea what could ...
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2answers
167 views

Can I add a junction box in my attic to ease congestion in a ceiling box?

I have an existing ceiling junction box feeding a ceiling fan (with lights) that I'm replacing with a flush mount ceiling fan (no lights) and plan to add four recessed lights controlled by a separate ...
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1answer
86 views

Connecting 4-wire supply to 3-wire outlet for bathroom fan timer switch

I am aware that there are similar questions on this site. However, because this is about electrical wiring (in the bathroom to boot), I want to make sure I am doing things correctly. I am attempting ...
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0answers
13 views

Goodman 080-4, propane… inducer fan runs non stop

The unit will go thru heat cycle when turning the power on. After the call to heat is met the inducer fan continues which prevents the ignition process upon the next call from the t- stat. It will ...
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3answers
131 views

How can I prevent cold air from dropping down my bath fan duct?

In my new home, on the second floor, the bathroom fans goes outside and under the roof, so the output is upside down. They installed the type of vent with a flap that, normally with gravity and ...
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0answers
17 views

Change timer setting on a bathroom fan (sharing a switch with the light)

In our new house, the bathroom fan goes on about 3 minutes after the light has been switched on (single switch for both), and goes off about 10 minutes after the light has been switched off. I would ...
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2answers
84 views

Why don't some LED lights work in my ceiling fan?

I replaced the two incandescent light bulbs in my Hunter model 28679 ceiling fan with 3000k 7w LEDs. All works fine but I want them to be brighter and to be a different color/hue of light. So I ...
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0answers
18 views

Bathroom condensation

My bathroom is mouldy and retains condensation on walls, windows etc. The room is approx 8fx7ft x 8ft high. I’ve installed a new inline Manrose fan with timer to replace cheap old online fan, the ...
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5answers
3k views

Does a portable fan work for drying the bathroom?

If a bathroom has no windows and doesn't get completely dry after a shower (neither do the towels, and the ceiling starts to grow black spots of mold), can a regular fan dry everything after the ...
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1answer
49 views

3-way switch to control 2 fans independently

I have a room where I need 2 ventilation fans. One will be a regular bathroom fan, the other a much smaller fan powered through a timer in an outlet. Both will be vented through the same duct to the ...
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1answer
50 views

How do I wire my bathroom fan with a new switch?

I'm trying to install a bathroom fan on it's own switch. There is a hot cable with a black, white, and green from a previous light fixture in the spot that I want to install a fan. This hot cable is ...
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2answers
51 views

Bathroom fan venting to attic gable screen

I've read many of the other questions about venting thru gable, but this seems slightly different. I discovered my upstairs bathroom fan is venting to the gable vent. Not ideal, I know, but may be ok ...
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1answer
128 views

How do I wire new bathroom exhaust fan with light?

I am replacing a bathroom exhaust fan with light. There is 1 switch to control both fan and light. New unit has a white, black, and blue wire. Main wire in ceiling has a white, black, and copper ...
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1answer
61 views

Help wiring an old HVAC blower to use as a shop fan

I replaced my old HVAC system and a friend suggested asking the HVAC company to leave the fan unit to use as a shop fan. I thought it would be a simple task to add a plug to the motor and off it would ...
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1answer
972 views

How to install a utilitech heater ventilation fan with light?

Just trying to replace an old Broan heater/fan/light with a new Utilitech one and very confused about how the wires are meant to go. I suspect the initial set up was not to code. Very novice on ...
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0answers
47 views

Ceiling Fan Installed now wall outlet does not work

I have installed a ceiling fan and it is working. The wall outlets however, are not. The room has no light switch. On the ceiling there were two black wires and two white wires (there is also a brown ...
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1answer
42 views

HVAC fan turned off by itself with associated burning smell

I'm in the PNW and we're dealing with lots of wildfire smoke. Accordingly, I've been running the fan on the HVAC nearly continuously for the last 4 days so that air will go through my electronic ...
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1answer
34 views

If a bathroom exhaust fan does not have a duct on the side of it but I do have venting present in attic to the outside is my bathroom fan vented?

My current bathroom fan is ductless but a friend looked in my attic and said it is vented outside? Can a bathroom fan be venting outside if there is not a duct connected to the bathroom fan light?
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2answers
33 views

Standing Fan seizing up only when powered

I have standing fan, it has a simple 0-1-2-3 pushbutton switch system with a timer. A few days ago it stopped working. If I try pushing the blade (with an insulated screwdriver, of course, not with my ...
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1answer
115 views

Fan blew up capacitor, replaced capacitor, now it won't turn

I have a three wire fan, diagram looks like this: Source: Google Or this one: Source: https://www.electricalonline4u.com/2016/09/replacing-motor-capacitor-ceiling-fan-capacitor.html The capacitor ...
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0answers
31 views

Wonky fan wiring problem (smart switch caseta)

I have have a ceiling fan/light combo that was installed by the previous owner. I am attempting to install lutron casetas to control the fan. I had noticed that in the original set up, the fan was ...
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2answers
61 views

Whirlybird part

The hinge of one of our whirlybird fans seems to be broken. Please see: https://www.youtue.com/watch?v=cN-aTwSkp44 What is the part necessary to? I heard that there is something called bearing kit for ...
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0answers
49 views

How to replace silicone seal in ceiling fan?

I am having to replace damaged wire in a ceiling fan. To replace the wire, I had to remove what looks to be some sort of silicone seal in the neck of the fan housing, where the downrod connects to the ...
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1answer
86 views

Fan capacitor replacement question

I have a pedestal fan, and the capacitor needs to be replaced. Unfortunately, I cannot find a replacement online. Here are the specs: 2-wire 5.5 uf +- 10/5 % 250 VAC 50/60Hz MAX TEMP 70 C E166700 G ...
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1answer
91 views

How can I remove my bathroom extractor fan's cover?

I have this Cata B-Plus extractor fan in my bathroom: It's connected to the light switch and it stopped working. I want to take the cover off and remove all the dust. If I yank on the cover I can see ...
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2answers
262 views

Thermostat wiring for fan only

I have a White Rogers 1E78-144. My house has heating only and no AC. https://climate.emerson.com/documents/ie78-non-programmable-thermostat-instructions-en-us-4209010.pdf The current wiring only ...
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1answer
1k views

Venting Two Bathroom Fans to Single Roof Vent

Can I have two different exhaust fans in the same bathroom on the same switch. ? (I.E. on/off at the same time, both ducting to a y-adapter attached to a single roof vent opening). One fan uses 4&...
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1answer
37 views

Will this box hold a ceiling fan?

This is a picture of the box and a ceiling of my bedroom. It looks to me like a ceiling fan box but I just wanted someone else to give their opinion. Is this a ceiling fan box?
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0answers
38 views

Furnace fan turns off when compressor turns on; unit freeze up

I have a goodman HVAC (model: GMS950904CXA). The unit froze up the other day. When I turn the thermostat to cool, the compressor turns on, the furnace blower fan turns on for a few seconds and then ...
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1answer
173 views

Wiring for a ceiling fan. Do I create a switch or can I hard wire directly from a wall outlet?

I'm in the process of remodeling my bathroom and will be putting a counter top high electrical outlet in a corner as linen storage. I plan to draw power to this new outlet from an outlet on the ...
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0answers
96 views

Fan in tiny bathroom has no vent. Is there a better option to absorb/reduce moisture/odors?

I lease an apartment and was just cleaning the light/fan combo (a NuTone NUA-40LN) in the ceiling of my very tiny but full bathroom and realized the fan in the ceiling is just blowing air around, but ...
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3answers
105 views

Should I replace a single powered roof vent with ridge vent according to my roofer's advice?

I am new to home improvement, and I'd like to ask your advice. I am the owner of a house in Maryland. Within a few weeks, we will install a new roof.  Currently, my roof doesn't have a ridge vent, and ...
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0answers
31 views

Furnace fan operates only when heating is on

I don't have AC unit at my house, and summer heat is really bad when I sleep at night in my bedroom upstairs. Since I don't have AC, I think manually setting the fan "on" while I sleep will ...
4
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2answers
160 views

Whole house fan - unexpected voltage at high/low switch

I have this fan installed. Here's the wiring diagram... The fan has been running fine for about a month and all of a sudden it started acting like it has no power. I checked the voltage at the power ...
2
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4answers
1k 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 ...
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1answer
143 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 ...
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1answer
190 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 ...
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2answers
31 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
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2answers
118 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 ...
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0answers
218 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 ...

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