Live Comfortably with Our Air Conditioning Repair in Denver, CO

Lakeside Heating & Air Conditioning has been serving the Denver metro for more than 50 years, providing outstanding repair, installation and customer service to ensure comfortable living all year round.

Live Comfortably with Our Furnace Repair in Denver, CO

Lakeside Heating & Air Conditioning has been serving the Denver metro for more than 50 years, providing outstanding repairs, installation and customer service to ensure comfortable living all year round.

Lennox Winter Promotion

Qualified buyers make no payments, incur no interest for 6 months when financing a new Lennox system AND receive up to $1,700 in rebates when you purchase the Ultimate Comfort System!

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60 Months, No Interest

With approved credit. Ask us for details and exclusions.

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Keep Your Furnace in Good Health

Contact us about furnace maintenance before it gets too cold!

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Improve Energy Efficiency with Our Heat Pump Installation in Denver, CO

A new heat pump could be just what your home needs for reliable, energy efficient comfort. Lakeside Heating & Air Conditioning offers trusted heat pump installation in Denver, CO, as well as the surrounding area. Together we’ll compare top brands like Lennox® and Daikin and help you live more comfortably.

Our Heat Pump Installation Services
Collect Your Heat Pump Rebate with Lakeside

Heat pump rebates are back for homeowners in Denver, CO! You can receive up to $3,500 back on air source heat pumps, $3,500 on mini-split heat pumps and $1,750 on heat pump water heaters.* Secure your energy savings and schedule an installation appointment today.

*Qualifying models only. Additional exclusions apply; contact us for full details.

Our Offers

Affordable Furnace Installation in Denver, CO

Your furnace won’t last forever. When repairs are becoming more expensive or frequent, it may be time to consider HVAC installation.

Lakeside Heating & Air Conditioning offers exceptional furnace installation in Denver, CO, and surrounding areas. We work with top brands like Lennox® and Daikin to give you access to affordable, innovative and energy-efficient comfort.

Our Furnace Installation Services
Free Quotes and Second Opinions

Don’t hesitate to call us if there’s an emergency with your HVAC system. Be sure you’re making a wise decision with our free second opinions and free quotes for heating and cooling repair in Denver and surrounding areas.

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Trusted Furnace Repair in Denver, CO

If you need fast and friendly furnace repair in Denver, CO, or surrounding areas, our family at Lakeside Heating & Air Conditioning can help.

Our technicians have years of training and top certifications to provide quality HVAC repair for all brands. With an A+ rating from the Better Business Bureau, we guarantee an affordable and reliable solution to your cooling problem.

Learn more about our services and call us to schedule your appointment today!

Our Furnace Repair Services

About Lakeside Heating & Air Conditioning

Making your home more comfortable isn’t just our tagline. It’s our profession. Our family has proudly been delivering the heating and cooling services Denver-area homeowners have relied on since 1971. Regardless of what HVAC issue you’re dealing with, our polite and educated technicians will take care of it quickly at a fair price. Learn more about our company and how our family can assist you.
About Us

About Lakeside Heating & Air Conditioning

Making your home more comfortable isn’t just our tagline. It’s our profession. Our family has proudly been delivering services for heating and cooling Denver-area homeowners have relied on since 1971. Regardless of what HVAC issue you’re dealing with, our polite and educated technicians will take care of it quickly at a fair price. Learn more about our family-owned HVAC company and how we can help you live more comfortably.
About Us
Save More with Our Special Offers

We know installing a new HVAC system is a big investment. Learn how you can make yours more affordable with our rebates and special offers.

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Customer Testimonials

My entire experience with Lakeside Heating was awesome! From the quote to the actual installation of our new furnace, everything was professional and efficient. Highly recommend.

Emilie Gillette
Broomfield, CO

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Awards & Credentials

Lennox Premier Dealer logo
Daikin logo
NATE and ENERGY STAR logos
Good Housekeeping logo
Troubleshooter logo
Better Business Bureau logo
Best o the Best 2020 Award
Xcel Energy rebate logo