Beat Attic & Garage Heat

 Your attic is trapping extreme heat and destroying your A/C’s performance

 Your garage is acting like an oven and baking everything inside

 That heat is driving up your utility bills and costing you money

Reduce attic and garage temps by up to 20º – 40º, saving 5-15% on cooling costs

> Superheated duct           > Material Breakdown

> HVAC stress                                           – Roof

> Longer run times                                  – Insulation

> Higher energy bills                               – Duct

                                                                        – Etc.

Hot Attic = Inefficient Home

Hot Garage = Premature Failures

> Vehicles / Bicycles            > Stored Items

> Batteries                                           – Holiday Decor

> Appliances                                      – Paints

> Tools                                                  – Etc.

WHAT NOT HAVING A CMG ATTIC AND/OR GARAGE FAN IS COSTING YOU

REAL SOLUTIONS WITH REAL RESULTS

H. Mungle
H. Mungle
September 26, 2025
As a direct result of the fan my garage is 15-20 degrees cooler in the summer. My electric bill was $367 just prior to installation of the garage fan and one month later I am happy to say it is $218.

Attic

Moves trapped heat out through existing vents – lowering temps up to 40°.

Garage

Pulls fresh air in through intake vents – lowering temps up to 20°.

Home

Improves overall comfort in the home and reduces cooling cost by 5-15%. 

HOW IT WORKS- A simple airflow path that removes trapped heat

Using your existing attic vents, our powerful cooling products are designed to pull cooler air in, push trapped heat out, and help protect your garage, attic, and home from extreme temperatures. Our best-selling attic and garage cooling fans are designed for power, durability, and effortless installation with real results. No expensive home modifications required.

AF-14: Attic Fan

Mount to an existing gable or roof vent (whirlybird or dormer). No home modifications required.

The fan pushes the heat out, while pulling in fresh, cooler outside air through the attic’s existing venting system to help lower heat buildup.

Drop your attic temp by up to 40°.

AGF-14: Attic & Garage Fan

Fresh, cooler air enters through intake vents installed in the garage door or exterior wall. 

The cooling fan creates airflow that pulls hot, stagnant air out from the garage, then pushes out through the attic’s existing vents to eliminate heat buildup in the attic and garage. 

Drop your attic temp by up to 40° and drop your garage temp by up to 20°.

SWGF-14: Garage Fan

Fresh, cooler air enters through lower intake vents installed in the garage door or exterior wall. 

The cooling fan creates directed airflow that pulls hot, stagnant air out from the garage. 

Drop your garage temp by up to 20°.

Protect your Home. Protect your Things.

Which Fan Do I Need?

AF-14
Attic-only solution
 Reduces whole-home heat load

AGF-14
Ventilates attic & garage
 Best for garages with attic above

SWGF-14
Garage-only solution
Exhausts trapped heat outside

Why Choose CMG

Our cooling fans are engineered for real results — cooler spaces, lower energy costs, and worry-free installation. Experience comfort that lasts all year long.

Cooler Attic, Garage, & Home

Experience a cooler, more comfortable home while saving up to 15% on home cooling energy.

DIY Installation in Minutes

Quick, simple installations — no professional help or special tools needed. Or choose professional installation at checkout.

Energy Efficient

Runs quieter than a conversation while using less power than a light bulb.

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Trusted by Contractors

Proven in the field and relied on by professionals for quality and performance.

Built to Last — Made in the USA

Durable construction to survive the hotest enviroments.

 Why I Started CMG

After spending more than 25 years in the HVAC industry, I saw the same problem every single summer.

Homeowners would spend thousands of dollars adding air conditioners to their garages, add insulation, or trying to solve comfort issues, yet one of the biggest sources of the problem was often ignored—a superheated attic or garage.

I’ve been in thousands of attics and garages across Arizona. I’ve seen temperatures well over 150°F, technicians struggling to work safely, ductwork baking in extreme heat, HVAC systems forced to work harder than they should, and garages that homeowners can’t use in the summer. Time after time, I found myself asking: “Why isn’t anyone solving this?” That’s why I started CMG.

Our mission isn’t simply to sell fans. It’s to Protect People, Protect Homes, and Protect Things that matter most.

CMG was built on experience—not marketing.

Thank you for trusting us. We look forward to helping you “Beat Attic & Garage Heat”.

– Nathan deNight

 

Shop Our Best-Selling Cooling Solutions For Your Attic and/or Garage

Get More Comfort from Your Home

For over a decade, we’ve been helping homeowners beat attic and garage heat to create cooler, safer, and more comfortable living spaces. Our durable, easy-to-install fans tackle the hidden heat load at the source, giving your home better comfort, better airflow, and better efficiency year-round.

Quick DIY Installation

Every fan is designed for quick, easy installation in minutes. Or choose professional installation at checkout.

Shop Securely Online

Order directly from our site with fast, safe checkout.

Built to Last

Each attic & garage fan is built to survive the hotest environments.

We’re Here to Help

Our support team is always available to answer your questions.

What Our Customers Are Saying

Homeowners across the country trust CMG for a cooler, safer, and more comfortable home.

Ready to
Upgrade Your Home’s Comfort?

Shop our best-selling fans and experience the difference today.

Frequently Asked Questions

Find quick answers to common questions about our fans, installation, and performance.

The AGF-14 Attic & Garage Ventilation Fan keeps your garage and attic cooler. It’s designed to mount in the ceiling of the garage, venting to the attic. The fan will turn on automatically via a thermostat and pull fresh air into the garage and exhaust into the attic pushing the superheated air through the existing attic venting. The AGF-14 Attic and Garage Fan will cool the garage as much as 20 degrees and the attic as much as 40 degrees.

The AGF-14 works by pulling cooler, fresh air through the intake vents in the garage and exhausts the air into the attic. The fan then forces the super-heated attic air out the existing attic vents, which may include gable vents, ridge vents, dormer vents, whirley vents, etc. A built-in thermostat allows the AGF-14 to automatically activate for their particular climate or season.

Very little, with the 1.1 amp motor, the fans use less energy than a standard lightbulb. This equates to about $4 – $6 a month.
You can use the attic fan to remove the hot air out of the attic. Installing an AGF-14 will improve the removal of hot attic air while adding ventilation to the garage space.
Yes! Our fans are DIY-friendly, including installation hardware. We also offer videos and a detailed installation manual for your fan. If you prefer, any handyman, electrician, or HVAC technician can install it for you.
Each of our energy efficient fans move about 1,350 CFM. That will exchange the air in the garage space about every 4 – 5 minutes or in a 2,000 sq. ft home attic, about every 7 – 10 minutes.
The AGF-14 Attic & Garage Fan is equipped with a fire damper that is held open with a 212 degree fusible link to allow the air through the fan. In case of a garage fire this link melts and closes the damper keeping the flames out of the attic. Also, the AGF-14 Fan motor shuts off at 185 degrees.
Turn off the power to the fan. Then remove the cover plate on the electrical junction box, the thermostat is the round button in the middle of the face plate. The adjustment is on the back of the thermostat. Remember that there is an 8-10 degree thermo lag. That means that if it is set at 105 from the factory the fan will shut off around 95 degrees. The lower the setting the more it will run.