The attic is one of the most neglected parts of the house. Many homeowners do not know that during the summer season, when the heat is scorching and uncomfortable, attic space can play a significant role on how the air conditioning will affect their homes. All because of one thing, the attic fan in Boulder. The attic fan serves as ventilation within the attic. Without it, the whole attic space can heat up to 170 degrees. As per law of thermodynamics, heat will always move towards cooler spaces or air, and because of that, it will find its way to move inside your living space where it is cooler, from the attic. Boulder attic fan can prevent this from happening by offering the trapped heat, a means to get out of the house and outside to the surroundings. Technically, the attic fan draws the cold air from the inside and forces the hot air outside, helping make your indoor environment more conducive. Modern Boulder attic fans have their own temperature sensors that will enable them to switch on and off automatically depending on the temperature of the attic.
What is the price for Attic Fan in Boulder, CO?
| ITEM | QUANTITY | LOW | HIGH |
|---|---|---|---|
Whole House Fan Cost | 1 Fan | $212 | $324 |
Whole House Fan Labor | 4 Hours | $126 | $233 |
Whole House Fan Job Materials and Supplies | 1 Fan | $132 | $143 |
| Total Cost to Install Whole House Fans | 1 Fan | $469 | $699 |
| Average cost per Fan | $469 | $699 |
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Fair price breakdown
The estimated average cost of a new Boulder attic fan installation is around $520, and generally, ranges between $468 and $699. The cost can go as low as $250 and can go as high as $920. Hiring an electrician or carpenter may add to the expense of the installation. The cost of an attic fan is around $75 to $300. If it comes with a humidistat that automatically activates the attic fan in Boulder if it senses moisture in the attic, it will cost an extra $100 to $170. Expect your attic fan operation cost to be around $2 to $4 per month. Professional installers typically charge $35 to $75 per hour for their attic fan installation service.
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It will be more cost effective if you install your attic fan in a place within your attic that already has a vent or opening. It will cost less than making a new opening that will most probably add to the expense of the installation. If electrical wirings and cables are already available in your attic, it will help decrease the cost. If none of these things are available, expect to pay for the materials like metal flashings, plywood, electrical accessories, and other necessary things, on top of the labor cost.
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B Electric
2902 5th St, Boulder, CO, 80304
Pullen Wire, Inc.
3075 Fourmile Canyon Drive, Boulder, CO, 80302
Ben' Jamin Electric Inc
1501 Lee Hill Rd. Unit 15, Boulder, CO, 80304
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Last Updated: Jul 1, 2026
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