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Avatar for Michael L Maine Electric
Michael L Maine Electric
4.4(
112
)
Bath Exhaust Fan - InstallBath Exhaust Fan - Repair

Serving Acton, CA and surrounding areas

In business since 1987

Free estimates

Emergency services offered

"I'm very pleased with the way Mr. Maine and his Team installed my five ceiling fans. I had no electricity in the ceilings, so they had to run electrical through the attic to each fan in each room. They were knowledgeable, thorough and methodical. At the end of the day I was fully satisfied. I would recommend them for any electrical need you may have."
Hollywood forever cemetery bell tower
Bell tower control panel
Florescent  to recessed lighting retrofit
Before under counter light
With Under the counter lights and soffit repaired

+17

Response time3 hrs
Recommended by96%of homeowners
Avatar for America's Best Inc
America's Best Inc
4.1(
2,198
)
Bath Exhaust Fan - InstallBath Exhaust Fan - Repair

Serving Acton, CA and surrounding areas

In business since 1982

Free estimates

Credit card accepted

"The provided installed two skylights, scraped and retextured the ceilings, made the attic easily accessible with a pull drop-down ladder, installed a fan in the roof of the attic to keep the attic cool (the fan kicks on at 80 degrees), repainted the interior, made wall repairs, and installed new bathroom fixtures. The workers were professional, friendly and usually prompt. Called when they were running late or needed to reschedule."
10,000 square foot home
We love Los Angeles
skylight cleaning
Recommended by77%of homeowners
...
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Bathroom Fan Installation questions, answered by experts

Before committing to this new project, you’re likely weighing the pros and cons of attic fans. The good news is that typical roof vents can only ventilate 150 to 300 square feet per unit, whereas a single attic fan can circulate enough air to vent an entire attic. By moving large volumes of air within and out of the attic space, an attic fan can lower the temperature by 15 to 40 degrees Fahrenheit and reduce moisture to prevent mold and mildew.

If your fan blades are spinning and there is no airflow, your blade pitch may be too flat, or your motor is failing. Adjusting the pitch is a simple DIY task if you have the tools. A failing motor is a bigger problem. You may need to replace your ceiling fan altogether. But fret not, we’ve got a guide for that!

Blower fans are better for preventing mold growth than dehumidifiers because they target the damaged areas and increase the rate of evaporation, which dries out the building materials. Ideally, you should run blower fans and a dehumidifier, as this will allow the fans to move dry air over your damaged building materials, drying out the space even more quickly.

Fan power is measured by CFM, or cubic feet per minute. For every 1,000 feet of square footage in your attic, you need a minimum of 700 CFM. Steeper roofs may need larger fans or about 840 CFM.  You can figure the size of attic fan you need by multiplying the square footage of your attic floor by 0.7. (multiply by 1.2 for a steep roof and 1.15 for a dark roof). That number is the CFM required for your fan to run efficiently.

The number of blades for your fan poses both advantages and disadvantages. Typically, the more blades on a fan, the better the air distribution and cooling effect, but this also means that your fan will have more wear on its motor. For small rooms, three-blade fans should work fine. For larger areas like living rooms, four or five-blade fans might be the better option. 

The Acton, CA homeowners’ guide to bathroom fan installations

From average costs to expert advice, get all the answers you need to get your job done.