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3answers
124 views

Why is my bathroom fan completely ineffective?

I just moved into my first home, and the bathroom fan is 100% ineffective. I can hear the motor run when I turn it on, and I remember going into the attic with the home inspector and tracing a ...
0
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2answers
42 views

Mounting a heavy (21 Kg) fan on a shed wall

I want to mount an industrial fan in my shed. Because of its dimensions, the only option seems to fix it on a wood beam that run around the shed near the top (see the red square on the picture): ...
0
votes
1answer
48 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 ...
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4answers
4k 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 ...
0
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1answer
24 views

Replacement part for coal stove blower rheostat

I have an Alaskan coal stove and my blower rheostat broke this morning. I opened it up hoping to be able to fix the part instead of buying a whole new fan controller. Any motor controllers that I ...
1
vote
1answer
627 views

my furnace fan stays on even when at temperature

I recently installed a 2nd generation NEST thermostat. I'm not home very often, but I was paying particularly close attention to the furnace after installing this thermostat and I noticed that the ...
1
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2answers
111 views

Seperating bathroom light and exhaust fan on single switch

I have a single switch that turns on both the bathroom light and a separate exhaust fan at the same time. I want to change this to be able to power them on independently via dual rocker or two ...
0
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2answers
35 views

Why is my booster fan pulling cold air from outside?

This is my first winter in a house with an oil-heated, forced air system. I noticed my wall vents were pushing out warm air, but the floor cold air return vents were pushing out cool air. I followed ...
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2answers
23 views

Is this fix for a cracked whole house fan collar sufficient?

This past fall we had a new HVAC system put in along with new duct work and insulation. There were a lot of people in my attic, and over the course of the project, the collar that sits above my whole ...
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2answers
21 views

Furnace fan runs all the time

our furnace fan runs all the time It doesn't switch off when the furnace does and keeps blowing cool air I've replaced the filter and it's still running The thermostat (RTH6400D) isn't set up to ...
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2answers
644 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
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1answer
62 views

Reset furnace (heater) often to get my fan to work.

Why do I have to reset my furnace (heater) often to get my fan to work? The thermostat works properly but the fan some time is not turned on. Reset the furnace and/or the limit control switch works ...
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1answer
5k 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 furnace's blower motor (which also blows for the AC) died (the bearing seized). HVAC company comes out, removes the squirrel cage and motor, puts a new motor (with a ...
3
votes
1answer
73 views

Extractor fans not working with LED bulbs?

I have 2 bathrooms, each with both an extractor fan and a ceiling rose mounted light bulb. The fans are Greenwood Airvacs. They are 20 years old. The fans have automatic run ons of about 15 minutes ...
0
votes
0answers
31 views

Wiring problem with panasonic bath fan with 3 2 wire cables & 1 3 wire cable in box

I'm running into trouble wiring a Panasonic FV-05-11VKSL1 Whisper Select Fan/Light. In the switch box I have 3 2 wire cables and 1 3 wire cable. I'm using a single pole dual switch. For the top ...
1
vote
1answer
352 views

Can a GFCI burn out a (ceiling fan) motor?

I added a ceiling fan to an existing circuit with GFCI protection. I know, I know, they say you shouldn't because the inductance from the motor can trip the GFCI. I figured I'd risk that minor ...
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votes
1answer
37 views

6 Terminals Coming Off Switch?

I have a switch in a ceiling fan's wiring. It controls the direction of the fan. So it's a two position switch, but it has 6 terminals coming off of it! Is this switching the phase and the neutral ...
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votes
0answers
16 views

Fridge only cools properly with the condenser fan disabled

I know this doesn't make sense, but my wine fridge has developed a fault where it will only cool to my set temperature with the condenser fan disabled. I'm sure it's not cooling very efficiently the ...
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votes
0answers
747 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 ...
0
votes
1answer
22 views

Fan switch compatibility

How do I determine if I need to use a manufacturer's fan switch or if I can use an off-the-shelf fan switch? E.g. I would like to buy an Emerson Loft fan and Emerson Curva fan and control them with ...
1
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0answers
28 views

Quieten New Bathroom Fan/Reduce Vibration

I recently replaced an old bathroom exhaust fan due to how noisy it was, and the new one is quiter, but could be better. The model is this Its fitted pretty tightly to the ceiling, and is good ...
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votes
6answers
54k 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 ...
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2answers
5k views

Use existing light switch to also power bathroom exhaust fan?

The builder of my house neglected to place an exhaust fan in my guest bathroom. When I brought that to their attention, they replied that code only requires fans in bathrooms that don't have ...
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0answers
25 views

I want my fan to able to adjust up and down in an easy way

I have a fan and a double deck bed and I sleep at the top. http://imgur.com/a/Hsnk2 I want my fan to be able to adjust up and down in an easy way like while I'm lying I could just reach the rolling ...
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0answers
25 views

How to connect 4 fan coils with one wall control thermostat?

I have 4 fan coils (Sabiana sk-22)and I want to connect them with one wall control thermostat. How can I do?
0
votes
1answer
56 views

How can I speed up my 3 wings fan?

I am using a 3 wings fan in my house and it works very slow, so i want to make it fast and it also do not contain any capacitor or a cylinder type small device.it's an old fan
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votes
1answer
67 views

Builder used same brand for lights and fan in 3 different places [duplicate]

The builder who built my house and a few other houses near me had put in a hampton bay brand light and fan in my master room, my family room, and my neighbors family room. It is not necessarily the ...
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5answers
3k views

Exhaust fumes seeping into our 4th floor apartment at night through bathroom and shower vents/fans

This is our second fall/winter in our 4th floor apartment, and we've noticed that whenever the weather becomes cool, exhaust fumes which seem to come from the garage in the basement of the apartment ...
2
votes
1answer
109 views

Is it code compliant for a new construction bathroom vent (no shower) to go down and then over?

I have a challenge on my second floor where a curved steel roof insulated with spray foam makes the best option for a half (toilet/sink) bathroom fan's vent to route down and laterally out the side of ...
1
vote
0answers
14 views

Tape on one side of hob extractor fan

I've recently moved into an apartment, and I wanted to clean the extractor unit above the hob as it is quite greasy-looking. The fan unit is double-sided (Electrolux EFG500), and on one side there ...
1
vote
1answer
166 views

AC Blower running very slowly

I have a Ducane heat pump. When running in AC Mode, the outdoor fan and compressor kick off just fine. The blower fan seems to kick off as well, though it's not putting out very much air. I can ...
3
votes
4answers
4k 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 ...
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votes
7answers
50k 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
1answer
3k 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 ...
0
votes
1answer
89 views

3 way switches with voltage drop

I have two ceiling fans powered by 2 (3 way switches}. The fans stopped working so I checked the voltage across the terminals on each 3 way switch. The voltage goes from 120 to 74VAC in about 5 ...
0
votes
1answer
845 views

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

I've read the posts with the opposite issue, which have been helpful (you guys are amazing!) but still no solution. Problem is that the blower fan does not come on when system is on "Cool" and fan is ...
4
votes
3answers
15k 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
388 views

How should I install a bathroom Exhaust Fan on 2nd Floor?

I would like to install a bathroom exhaust fan in my 2nd floor bathroom, due to moisture issues. There is no existing fan, only a light fixture. There are two exterior walls in this room and the attic ...
0
votes
2answers
95 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 ...
3
votes
1answer
263 views

How to stop a screaming pellet stove?

I'm having trouble thinking of how else to describe the sound that our pellet stove is making. It is a piercingly high pitched sound that appears to come from the blower. Here's a video with ...
2
votes
1answer
72 views

How do I separate these wires?

My ceiling fan stopped working and I want to remove the light box from the fan so that I can replace an in-line fuse holder. In order to separate the light box from the fan rotation device, I need to ...
2
votes
0answers
251 views

Water Noise When Radon Fan is On

I've got a radon fan installed in my basement, but no sump pump. Starting a few days ago, I've started hearing a constant gurgling or bubbling sound from a basement wall that is 15 feet from where ...
1
vote
0answers
55 views

Can a horizontally-vented kitchen exhaust have a downward-facing outlet in a soffit?

Can I vent a kitchen exhaust fan horizontally to an exterior soffit, ending with a downward outlet/cap? (Or must the outlet be horizontal (through a wall) or upwards (through a roof)?
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2answers
3k views

Why doesn't the “fan on” mode work after I installed a new thermostat?

We moved into a new house. I installed a new Hunter Thermostat. I have a furnace only and the old thermostat only had 3 wires connected. SO I connected those three wires (G, RH and W/B). The ...
1
vote
1answer
223 views

Home: Using Exhaust & Circulating Fans to Improve Air Quality While Staying Cool

In the hopes of ventilating nasty odors and airborne contaminants, I recently installed the Bionaire BW2300 in one of my kitchen windows. This is the only one I have installed in my home at the ...
1
vote
0answers
37 views

Should I install a doorway fan or dehumidifier?

I have central air in a rancher (one floor), and the living room is on one end of the house. That room is on a slab, and has always been noticeably hotter in the summer and colder in the winter than ...
3
votes
2answers
415 views

Can I connect the exhaust vent from my range hood to the existing ceiling exhaust fan vent?

I recently bought a condo that I discovered after the fact to have a "Recirculating Range Hood" over my gas stove. My smoke alarm consistently sounds off when I cook. My HOA has denied multiple ...
2
votes
1answer
83 views

Can a GFCI combo and a switch be independently connected to a light and a fan using 14/3 wire?

The box on the left in the diagram is a dimmer switch and the box on the right is a GFCI combo switch. The ground wiring is absent from the diagram. How can this wiring be completed to connect the fan ...
1
vote
2answers
7k 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 ...
4
votes
5answers
35k 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 ...