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    Free Installation Quotes • Serving the Denver Metro & Northern Colorado
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Cooling

AC Installation in Denver & Thornton, CO

New central air, sized for your home and installed right, with more than one option to choose from.
HVAC technician kneeling beside a new outdoor AC condenser in a home's side yard, checking that it sits level
EPA Certified
Refrigerant Handling
OSHA Certified
Safety-Trained Crew
Residential & Commercial
Homes, Offices, Rooftops
Same-Day Response
On Most Calls
Hablamos Español
English & Spanish
AC Installation

The Right AC for Your Home Starts With a Visit

An air conditioner that’s too big or too small for your home costs you money every summer. It can short-cycle, leave rooms warm, and wear out early. That’s why we don’t quote a new system over the phone. We come to your home, look at its size, the rooms that need cooling, your ductwork, and the equipment you have now, and then recommend what fits.

You’ll see the price for each option on our tablet. Once you choose, we call our supplier to confirm the equipment is in stock and set the install date.

What you can count on

    Sized for your home, based on what we measure in person
    Lines vacuumed and leak-tested before the system runs
    Brands you know, including Carrier, Amana, Bosch, Daikin, Goodman, and Mitsubishi Electric

Replacing an Old System?

If your AC is aging or needs a costly repair, we’ll compare repair and replacement side by side so you can decide with real numbers.

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HVAC technician with a tablet pointing out an old, weathered AC condenser to a homeowner on her brick home's patio
What's Included

What's Included in Your AC Installation

In-home walkthrough and system sizing
Equipment options, priced in writing
Removal of the old unit
Installation of the new condenser and indoor coil
Vacuum and leak testing, with refrigerant charged to spec
System startup, testing, and a walkthrough of your thermostat
Our Process

How a Job Works with Us

Four steps, no surprises.

Call or Request a Quote.

Call (720) 701-3810 or send the form. We'll set a time to come out.

In-Home Walkthrough.

We look at the size of your home, the area that needs service, and the system you have now.

Options and a Clear Price.

You get more than one option, shown on our tablet, with a written contract you can sign on the spot or by email.

Scheduled Fast.

Once you choose, we check equipment with our supplier. When it's in stock, many jobs can start the next day.
Why K&G Builders HVAC

We Show You What We Find

Some customers have been burned by a contractor who found a problem and never showed them why. We'd rather earn your trust by showing you.
    Simple checks first
    Capacitor, relay, wiring, then the bigger parts.
    One cause at a time
    We follow the system in order until the real problem shows up.
    You see it too
    We explain what we found and what it means for you.
    Then we talk options
    A clear price for each path, and no pressure to pick the priciest one.
Gabriel Alberto and Carlos David of K&G Builders HVAC in a mechanical room
Local & Hands-On

A Small Team That Knows Your Name

When you call K&G Builders HVAC, you talk to Gabe. When we come to your home, it's our own technicians doing the work.
    Based in Thornton
    Serving the Denver metro and the Front Range.
    Homes and businesses
    From a single furnace to rooftop equipment.
    English and Spanish
    Hablamos español.
    Everything in writing
    Contract on our tablet, copy in your email.
Gabriel Alberto, managing member of K&G Builders HVAC
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.
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Areas We Serve

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

AC Installation Questions

What homeowners ask before replacing their air conditioner.

How do I know what size AC I need?

It depends on your home: its square footage, layout, insulation, windows, and the rooms you want cooled. We figure it out in person during the walkthrough.

How long does an AC installation take?

Most residential installs take [PLACEHOLDER: typical install time]. We’ll give you a time estimate with your quote.

Can I choose the brand?

Yes. We work with major brands including Carrier, Amana, Bosch, Daikin, Goodman, and Mitsubishi Electric, and we’ll show you options at different price points.

Is the quote free?

Yes. Quotes for new installations are free.

Do you require a deposit?

Yes. Once you approve the contract, a deposit gets the job on the schedule. The deposit is [PLACEHOLDER: deposit amount or percentage].

What about the warranty?

New equipment comes with the manufacturer’s warranty, and we leave you the paperwork to register it. Our labor warranty: [PLACEHOLDER: labor warranty terms].

Get Started

Get Your AC Installation Quote

    Thornton, CO 80241
    kgbuildersco@icloud.com
Gabriel Alberto and Carlos David of K&G Builders HVAC in a mechanical room