Opens in a new tab
    Free Installation Quotes • Serving the Denver Metro & Northern Colorado

Aurora, CO

Heating & Cooling Services in Aurora, CO

Furnace, AC, and ductless service for Aurora homes and businesses, with clear options before any work starts.
HVAC technician connecting the copper line set to a new AC condenser behind a stucco home, open plains beyond the fence
EPA Certified
Refrigerant Handling
OSHA Certified
Safety-Trained Crew
Residential & Commercial
Homes, Offices, Rooftops
Same-Day Response
On Most Calls
Hablamos Español
English & Spanish
HVAC in Aurora

Aurora HVAC Service You Can Follow Along With

Aurora summers push air conditioners hard, and a system that’s short-cycling or never reaching the thermostat setting is telling you something. We track it down the way we always do: small parts first, then the bigger ones, until the real cause shows up. Then we show you.

Aurora’s winters matter just as much. A furnace that struggles in November usually doesn’t get better in January, and a tune-up before the cold arrives can catch the problem early.

If your system is ready for replacement, you’ll get options sized for your home after we’ve seen it in person, with the price for each in writing.

What we do in Aurora

    Furnace and AC installation
    Heating and AC repair
    Mini-splits, heat pumps, and tune-ups

Heat or AC Out in Aurora?

Call (720) 701-3810 and tell us what’s happening. We’ll get someone to you as fast as we can.

Call (720) 701-3810
New high-efficiency furnace, AC coil and ductwork in the utility closet of a newer home
Services in Aurora

What We Do in Aurora

Here's what we do for Aurora homes and businesses.
HVAC technician kneeling beside a new outdoor AC condenser in a home's side yard, checking that it sits level

AC Installation & Replacement

New central air sized for your home and installed clean. In-home walkthrough, options in writing, and clear pricing across the Denver metro.
Newly installed white gas furnace with new ductwork and PVC vent pipes in a clean basement utility room, snow in the window well

Furnace & Heating Installation

New furnaces and heating systems for Colorado winters, sized in person and installed clean. Options at every price point across the Denver metro.
HVAC technician testing an outdoor AC unit's run capacitor with a multimeter at the open electrical panel

Heating & AC Repair

Furnace, AC, heat pump, and thermostat repair across the Denver metro. Step-by-step diagnosis, clear pricing, and usually a same-day response.
White ductless mini-split mounted high on a sage-green wall above a reading chair and bookshelf, foothills visible through the window

Mini-Splits & Ductless Systems

Wall-mounted and ceiling ductless mini-split installation and repair for Denver-metro homes, additions, and businesses. Call (720) 701-3810.
HVAC technician rinsing the coil fins of an outdoor AC condenser with a garden hose beside a blooming lilac

HVAC Maintenance & Tune-Ups

Furnace and AC tune-ups, condenser and evaporator coil cleaning, and filter changes for Denver-metro homes and businesses. Call (720) 701-3810.
HVAC technician kneeling in deep snow to clear ice from a furnace's PVC vent pipes on the side of a home

Emergency HVAC Service

No heat or no AC? Call K&G Builders HVAC at (720) 701-3810 for urgent heating, cooling, and refrigeration service across the Denver metro.
White heat pump outdoor unit on a raised stand beside a dark gray home, with snow on the ground

Heat Pumps

Heat pump installation, repair, and service for Denver-metro homes. One system for heating and cooling, sized in person. Call (720) 701-3810.
Technician's hand adjusting a refrigerant manifold gauge set connected to an outdoor AC unit's service ports

Refrigerant, Vacuum & Leak Testing

Refrigerant leak testing, vacuum, repair, and recharge for AC systems, heat pumps, and refrigeration equipment across the Denver metro.
Mother reading on a sofa while her daughter plays with blocks in a bright, sunlit living room with a wall return-air grille

Indoor Air Quality

UV air purification installation, mechanical-room duct cleaning, and HVAC system sanitizing for Denver-metro homes and businesses.
HVAC technician servicing a packaged rooftop unit on a commercial roof, Denver skyline and mountains in the distance

Commercial HVAC & Refrigeration

Commercial HVAC service, rooftop equipment maintenance, air handlers, refrigeration, and rough-in installation for Denver-metro buildings.

Neighborhoods We Cover

We serve Aurora and the neighborhoods around it, including these.
Why K&G Builders HVAC

Why Aurora Calls Us

A small team, a clear process, and the same honest diagnosis on every call.
    Quick to respond
    A same-day response on most calls.
    Honest diagnosis
    We show you what we find.
    Real options
    Repair or replace, standard or premium.
    In writing
    Contract on the tablet, copy in your email.
Gabriel Alberto and Carlos David of K&G Builders HVAC in a mechanical room
Our Work

Recent HVAC Projects

Recent work by our own team, from commercial mechanical rooms to ductless mini-splits.
Commercial boiler room with a storage tank, two wall-hung boilers and insulated piping, installed by K&G Builders HVAC
Commercial Mechanical Room Installation
Technician checking a ductless mini-split's air temperature with an infrared thermometer
Ductless Mini-Split Project
Reviews

What Our Customers Say

Most of our work comes from referrals and neighbors. Here's what customers say.
[PLACEHOLDER: verbatim customer review]
[PLACEHOLDER: verbatim customer review]
[PLACEHOLDER: verbatim customer review]
Visit or Call

Serving Aurora From Nearby

Nearby Areas We Serve

Based in Thornton, working across the Denver metro and the Front Range. Don't see your city? Call and ask.
FAQ

Aurora HVAC Questions

Common questions from Aurora homeowners and businesses.

Do you serve Aurora?

Yes, homes and businesses across Aurora.

How fast can you get to me in Aurora?

We usually respond the same day on service calls.

My AC runs all day but the house stays warm. What's wrong?

It could be airflow, dirty coils, a refrigerant leak, or a failing part. A diagnostic visit finds which one, and we’ll show you what we found.

Do you install heat pumps in Aurora?

Yes, along with furnaces, central air, and mini-splits.

Do you serve businesses in Aurora?

Yes, including commercial maintenance and rooftop equipment.

Aurora, CO

Need Heating or Cooling Help

{acf_global_cta_subheading}