About us

Great Guys is the Denver Metro Area’s Premier Choice for Heating, Cooling, & Electrical Service, Repair, & Installation

Who We Are

Family owned and operated by father daughter team Marcus & Maddy Fauth, Great Guys has quickly become one of the leading HVAC companies in the Denver Metro area. With a focus on consumer education, service integrity, fair pricing, employee satisfaction, and customer retention Great Guys has now become one of the fastest growing companies in the industry. With over 30 years of experience, customers have come to depend on Great Guys’s certified technicians for the highest quality of service, delivered in the most professional manner, at prices that are affordable.

There’s a reason people say “I know a great guy,” when asked for a trusted service referral. The Fauth family, including newly joined Jacob, Marcus’ son, hope that their company embodies everything that this remark means when you ask a trusted friend or family member for a referral. When you call Great Guys you know a trusted expert will arrive on time, and provide you with invaluable education and recommendations, optimal equipment, fair pricing, professional service/installation, and a maintenance plan that ensures your systems are operating efficiently year round.

Nothing gives me more pride than taking excellent care of our employees and community. My daughter works harder than most men I have ever met, Great Guys, should’ve been called heroic women – in a male focused industry having a COO that is a woman, brings a great advantage to our company and the community we serve.
-MARCUS FAUTH, FOUNDER

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Maddy Fauth co-founded Great Guys Heating Cooling and Electrical in 2018. She serves as the Chief Operations Officer of the family owned and operated business based out of Littleton. She grew up in Colorado and graduated from Grandview High School in 2010. Maddy has previously held operations related positions in hospitality and cannabis. These positions have created the foundation of success for her in a male dominated industry. Maddy has developed a strong sense of devotion to supporting her community through volunteering and supporting fellow members of the LGBTQIA+ community. This experience has given her a deep devotion for how nonprofits seek to improve lives for everyone in Colorado. She prides herself and Great Guys on building long lasting relationships with clients to address their property needs. With a focus on consumer education, service integrity, fair pricing, employee satisfaction and customer retention Great Guys has now become one of the fastest growing companies in the industry.

Family Owned

Experienced Licensed Professionals

Master Electrical License

Master HVAC License

24 Hour Emergency Service

Maintenance Plans Available

Services Offered

Residential & Commercial

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Heating

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Cooling

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Electrical

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Air Quality

WHAT our satistied customers have to say

The Great Guys Guarantee

Our HVAC professionals will build the right heating system for your home and budget.

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Free Estimates

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Highest Installation Reviews And Products

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Space Heaters Available

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10 Year Parts And 5 Year Labor / Install Warranty

Our company is also accredited by the Better Business Bureau, is top-rated on Home Advisor, and featured on Angie’s List. Our team is focused on helping you efficiently resolve issues with your current air conditioning system, or helping you make efficient cost effective decisions for system upgrades, using the most reliable equipment. A cool home in the warmest months makes all the difference.

We are honored to bring you the best service and equipment to ensure you save money on utilities, love your time at home, while increasing the value of your property.

Communication is priority one for Great Guys. You will be contacted to confirm scheduling, before your appointment, and as technicians develop a HVAC service plan or installation upgrade recommendations for your home.

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5684 S Datura St.
Littleton, CO 80120