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2answers
944 views

How do I wire this bathroom fan?

I am replacing a bathroom fan. The switch on the wall has three switches that were in use (one for the fan, one for the light, and one for the night light). I already took out the old fan and now ...
3
votes
1answer
196 views

Can I vent a bathroom fan through an attic window?

Would venting a bathroom exhaust fan into the attic and through the attic window cause any problems? I was thinking this would prevent cutting a hole in the roof or the soffit. My thought was to ...
3
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3answers
1k views

How can I improve ventilation in my room with a window fan while filtering pollen from a nearby tree?

This is a campus building in Aalto University where you have a tree about 10 cm away from the window. The Espoo city does not allow the student organisation AYY to cut down the tree. There is a poor ...
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2answers
410 views

Can I run a single 12 guage wire outside of 12-2 to provide power to a fan?

I have regular 12-2 wire going to a bathroom fan. Tell me about code issues with just running an extra 12 gauge shielded wire up to the fan so I can do the fan and light separate. Any restrictions, ...
4
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1answer
4k views

Can I control a bathroom extractor fan independently from the light?

My bathroom extractor timer fan works fine except that I have to have the lights on when it is in use. I have 2 windows in the bathroom and feel it is a waste of energy to have the lights on in order ...
4
votes
1answer
731 views

Why won't the fan run independently of the air conditioner?

I have central air and heat, with a Nest thermostat. My system has Y, G, R, C and W wires coming out of it: which are wired into my Nest like so: In between, there is a splice where the C wire is ...
3
votes
1answer
557 views

How does the temperature sensor work in an attic fan?

I have an attic fan that should turn on by the temperature that is set. It is pretty hot today (Southern California) so I expected it to be on. So far I have not seen it turn on and I just reduce ...
2
votes
1answer
384 views

How can I cover the hole left by removing a kitchen wall fan?

We had an old exhaust fan that vented out through the kitchen wall. We removed it and drywalled over the hole, but are unsure how to cover the hole in the exterior siding. Is there a cover for this ...
1
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1answer
360 views

Where should I discharge my bathroom exhaust to?

Everyone in general lean towards roof or gable end of house venting. Then of these two whichever is shortest run..Also everyone agrees down hill slope toward exterior of house..If one is to vent ...
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votes
2answers
4k views

Does turning the air conditioning on and skipping its “fan” setting damage the air conditioner?

Air conditioning units nowadays allow you to switch it from "off" to various levels of "cool" without requiring you to "fan" setting first. Is there any reason to use "fan" setting (such as for ...
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1answer
4k views

What could cause a ceiling fan to lose rotation speed?

I have two identical ceiling fans in my house that were installed around 4 years ago. One no longer rotates as fast as it used to at top speed. At a guess I would say it has lost 30 or 40% of its ...
1
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1answer
3k views

How can I wire this replacement bathroom extractor fan?

My old bathroom extractor fan motor burned out, so I got a new one to replace it, I was trying to wire it up earlier and I've hit a bit of a snag... I don't seem to have enough cables. The old ...
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2answers
738 views

What could cause my ceiling fan light to go off after 2 seconds of being on?

The light in my Harbor Breeze ceiling fan stays lit for only 2 seconds. Otherwise the unit works great. What do I need to do to fix this issue?
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0answers
33 views

wiring a single bathroom fan servicing 2 rooms in the master bathroom suite with 2 separate switches on the same circuit as well as lighting [duplicate]

Possible Duplicate: How can I wire an exhaust fan to turn on from multiple locations? I am having trouble trying to wire a single in-line bathroom fan servicing a master bathroom suite. ...
5
votes
1answer
3k views

How can I install a ceiling fan where there is no ceiling box or wiring?

I want to install a ceiling fan with a light in a spare bedroom with no ceiling wiring. What size wire do I need to use to install with cord management channels and plug into an outlet controlled by a ...
4
votes
5answers
26k views

How much energy will continuously running a furnace fan use?

We have a bi-level (tri-level? There's a small entry way and utility room, then an upstairs living area and master bedroom and a downstairs living area with bedrooms) in mid-Michigan. The downstairs ...
2
votes
2answers
532 views

Furnace Draft Inducer Repair: is previously installed back plate necessary?

I'm replacing a non-functioning draft inducer on the Goodman furnace in my house (GMP075-3). The previous inducer was mounted with a sheet metal back plate between it and the wall of the furnace. ...
3
votes
1answer
462 views

Can a bathroom fan be vented just outside the bathroom?

I belong to a housing cooperative in the arctic and the temperature drops below -40 C. We are having problems with mold on the ceilings in the bathroom. The buildings were built in 1984 with an air ...
3
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1answer
3k views

Should I be concerned that the furnace fan is making a loud noise when it turns on?

About three weeks ago our 10 year old blower motor in the furnace (which also blows for the AC) died (the bearing seized). HVAC company comes out, removes the squirrel cage and motor, puts a new motor ...
4
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2answers
774 views

Can I use an exhaust fan instead of a hood in the kitchen?

Can I install a ceiling-mounted exhaust fan (350 CFM) over my kitchen island, with 48-inch gas range, rather than a hood? If so, can you recommend an exhaust fan?
2
votes
1answer
2k views

What type of motor do I need for my attic fan?

My attic fan motor appears to be on the fritz (makes a buzzing sound and the fan tries to turn but won't make it more than 1-2 revolutions without sticking). I'm trying to figure out what type of ...
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4answers
2k views

Do I really need a small fan inside my fridge?

I have a three years old fridge without "no-frost" or anything similar to avoid ice build up. Yet there's a fan in the main compartment - about 90 millimeters in diameter and running simultaneously ...
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3answers
4k views

Is there a device that will allow a bathroom fan to run for 5 minutes after it is switched off?

There is one switch that controls the lights and fan in the bathroom. Users turn the light/fan on when they enter, and off when they leave. I'd like for the bathroom fan to run for a time after they ...
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0answers
489 views

Is it possible to retrofit an external kitchen fan in an existing house?

I have a 2-storey half duplex that was built in 2008. The kitchen (1st floor) has a range hood fan that exhausts to the side of the house through 8" aluminum duct. The outside vent is not directly ...
2
votes
2answers
364 views

How much current should I expect this motor to draw when it's running steadily?

This fan lists its "Max. Amperage" as 3.2. I assume the motor draws that much when it's first turning on, then settles down to some lower current. How much current should I expect it to draw when ...
3
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2answers
3k views

Can I increase air volume by adding more fans?

I have a straight 25 foot rectangular duct that is 0.9 sqft in cross-sectional area (11" by 12"). There are openings on either end, and nowhere in the middle. I wish to move about 1000 CFM through the ...
3
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2answers
8k views

Why is my A/C condenser fan motor wiring backwards, and how can I fix it?

I've just replaced my condenser fan motor on my home A/C unit with this unit: http://www.grainger.com/Grainger/GENERAL-ELECTRIC-Condenser-Fan-Motor-2PRA6 The HP, RPM's and amp ratings all match. The ...
2
votes
1answer
2k views

How “freely” should a central A/C condenser fan spin

Last year my home's central air condenser fan motor stopped working. When I noticed the house wasn't cooling down I went outside to investigate and found there was a humming sound coming from the ...
3
votes
1answer
718 views

What would cause a ceiling fan to stop while the light still works?

Installed a new fan/light today. Wiring appeared to be identical to old fan we removed. green ground to green ground on mounting bracket. white to white. black and blue to black. Turned it ...
9
votes
4answers
30k views

What is the purpose of a bathroom exhaust fan?

Okay I actually do understand the purpose of the bathroom fan; it gets the steam out of the bathroom after a super hot shower, right? Well turns out I NEVER turn it on. I suppose I don't shower in ...
2
votes
2answers
2k views

Why would ceiling fan reverse air flow without me changing directions?

I have this exact ceiling fan, and so far it has worked nicely. It is mounted in my bedroom, I believe height to floor is about 12 feet and the rod from the ceiling to the actual fan is about 18 ...
4
votes
4answers
15k views

Why has my ceiling fan's speed become slower?

We have owned a Minka Aire ceiling fan for about 4 years and it has been great overall; running for 24hrs a day. It has 3 settings and when we initially purchased the fan; the speed was noticeable ...
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1answer
1k views

How can I tell if my bathroom vents are connected?

I've lived in this house for 20 years. The bathrooms (3) all have switches for fans, but the two upstairs ones do nothing when you flip the switch. Recently, while doing other work, we discovered that ...
2
votes
1answer
671 views

adding new power outlet, ceiling fan/switch kills the power to it when on

I'm adding a new power outlet for some electronics. I'm dropping a 12/2 wire from the attic where I'm attaching it to a junction box. The junction box has an existing wire, 12/2, and a 14/2 wire ...
2
votes
1answer
6k views

How do I install a wireless remote for a ceiling light without a fan?

I have a fan with lights in my ceiling. There is no wall switch, only a wireless remote. I'd like to avoid installing a wall switch if possible. I purchased a chandelier assuming that I could just ...
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2answers
2k views

Line voltage thermostat to shut off attic fan when outside temp is close to inside?

I have an attic fan with a thermostat, but with the high heat these past weeks, the outdoor temperature is often above the thermostat setting. Thus, I'm just replacing all the air in the attic with ...
1
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0answers
619 views

How do I ventilate a bathroom through a small window?

I've got a very small bathroom without a vent fan. Since it is in a condo among a lot of others in a large building, a standard vent fan cannot be installed. However, I do have a small window and was ...
3
votes
3answers
753 views

Apartment cooling with fans

I've just moved into an apartment without an air conditioner in Sunnyvale, California. The weather is not too hot, but there are going to be some pretty warm days in the summer, especially since I'm ...
2
votes
1answer
735 views

Ceiling fan stops after a few seconds

I just installed a ceiling fan on our patio. When turning on the power, the fan starts spinning as I would expect it to. After a few seconds however, the fan seems to be spinning only through inertia ...
4
votes
4answers
2k views

Replacing a bathroom fan?

I have a bathroom fan that doesn't turn anymore. Flipping the switch doesn't do anything, but if I nudge it enough it might get going. I used to spray WD-40 on the bottom where I could see it turn ...
1
vote
2answers
5k views

How do I replace a condenser fan motor in a central air unit?

The condenser fan motor on my central air unit has seized up (tried like crazy to turn it it, but no go). I'm not sure how old the motor is but I'm guessing it's original, so about 12 years old. I ...
1
vote
1answer
597 views

Should I use inline bathroom fans?

I'm building a new full bathroom in my basement and I also have an existing full bathroom without an exhaust fan. The sizes are 207 ft3 and 470 ft3 respectively. I was initially thinking of buying ...
3
votes
1answer
622 views

Reducing Attic Fire Risk

When I had my house built, it got cold and so we called the local power co-op energy savings expert to give us advice. One of the things he said was that we had the wrong kind of insulation in the ...
7
votes
3answers
2k views

Are new “low noise” whole house fans actually quieter?

I've dealt with a number of older whole house fans (10 years and older) and the one thing they all had in common was a ton of noise. Are the new "low noise" fans actually that much quieter than the ...
3
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3answers
7k views

Why does the gas furnace blow cold air at the start of the heating cycle?

What does this problem sound like? There is a 25 year old gas furnace in the house we rent. (The guy that owns the place claims there is NO problem at all. He said the igniter is brand new and ...
1
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1answer
147 views

Fan between rooms?

I presently work at home, which means that I spend a lot of time in my office (ya think?). Unfortunately, this room is not a good one for air conditioning (or heating) in the house. I can often get 8 ...
2
votes
3answers
232 views

What should I look for in a Whole House Fan

I see a lot of variance in the prices of whole house fans in the market, and not a lot of clarity or comparison between vendors and models. We're looking to buy some to install in our newly purchased ...
6
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3answers
25k 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 ...
3
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4answers
3k views

How do I fix a ceiling fan that won't turn off?

I have a ceiling light/fan fixture in one of my rooms connected to a single electrical switch. There are two pullchains on the fixture, one that controls the light, the other controlling the fan. I'd ...
2
votes
2answers
5k views

How do I change the remote frequency options in my ceiling fan?

My Hampton Bay ceiling fan remote control is interfering with my neighbours. Inside the remote there are switches to adjust the remote frequency. Where in the fan do I make the corresponding ...