Trusted Since 1997
Your Comfort is Our Priority
Heating, Cooling, Plumbing & More. Family-owned and locally operated, serving Northern Colorado for over 28 years.
28+
Years Experience
24/7
Emergency Service
100%
Licensed & Insured
What We Do
Complete Home & Business Comfort
From heating and cooling to plumbing and electrical, we're your one-stop shop for all your comfort needs.
Heating
Furnaces, boilers, radiant heat, and ductless systems. Installation, repair & maintenance.
Cooling
AC repair, installation & maintenance for all makes and models. Ductless & heat pump options.
Plumbing
Water heaters, drain cleaning, sewer repair, water filtration & full plumbing services.
Electrical
EV chargers, panel upgrades, new construction, remodels & commercial electrical.
Commercial
Full commercial HVAC, boilers, chillers, duct cleaning & refrigeration services.
Testimonials
What Our Customers Say
“Great service with D.N.I! Quick to respond and quick to work on our house! Chris and Anthony did great work and had great communication while here! Definitely will recommend them to anyone!!”
Jessie C.
Residential Customer
“As a facilities manager, I have learned to trust knowledgeable, professional service from DNI Heating and Air.”
Facilities Manager
Commercial Customer
Our Work
On the Job
Ready for Reliable Comfort?
Whether you need an emergency repair, a new system installation, or routine maintenance, our team is ready to help.