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Our Portfolio
Our Work
Professional HVAC projects and service examples in Lakewood, CO
Illustrative HVAC service image
Illustrative HVAC service image
Illustrative HVAC service image
Illustrative HVAC service image
Illustrative HVAC service image
Our Advantage
Why Choose That One Guy Installations LLC
Trusted HVAC service in Lakewood, CO
Certified Technicians
Expert heating and cooling service for year-round comfort.
Same-Day Options
Fast diagnostics and repair across Lakewood, CO.
Energy-Efficient Solutions
Maintenance and upgrades that help lower utility costs.
Reliable Support
Seasonal tune-ups and emergency service when you need it.
Our Story
About That One Guy Installations LLC
That One Guy Installations LLC is a licensed and insured Denver-area contractor offering HVAC, plumbing, electrical, solar, remodeling, and general contracting. With decades of combined experience, the Lakewood-based team serves residential and commercial clients across the Front Range.
Ready to get started?
Ready to Get Started?
Request a free HVAC quote in Lakewood, CO. Call (720) 242-7334 or send a message — we respond quickly during business hours.
Get In Touch
Contact That One Guy Installations LLC
We typically respond within 30 minutes during business hours
Business Hours
Have Questions?
Frequently Asked Questions
Common questions from our customers
What We Offer
Our Services
Professional HVAC services in Lakewood, CO
HVAC Service
Repair, cleaning, and replacement for AC, furnaces, boilers, and heat pumps.
Plumbing Service
Residential and commercial plumbing installs and repairs.
Electrical & Solar
Electrical work plus commercial solar engineering and installation.
HVAC Service
Repair, cleaning, and replacement for AC, furnaces, boilers, and heat pumps.
Plumbing Service
Residential and commercial plumbing installs and repairs.
Electrical & Solar
Electrical work plus commercial solar engineering and installation.