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    Free Installation Quotes • Serving the Denver Metro & Northern Colorado

Indoor Air Quality

Indoor Air Quality Services in the Denver Metro

UV air purification, mechanical-room duct cleaning, and system sanitizing, done through the system you already have.
Mother reading on a sofa while her daughter plays with blocks in a bright, sunlit living room with a wall return-air grille
EPA Certified
Refrigerant Handling
OSHA Certified
Safety-Trained Crew
Residential & Commercial
Homes, Offices, Rooftops
Same-Day Response
On Most Calls
Hablamos Español
English & Spanish
Indoor Air Quality

Air Quality Work on Your Existing System

Your HVAC system moves the air through your home. We install UV air purification systems in it, clean the ducts in the mechanical room, and sanitize the equipment and ductwork.

Homeowners often ask for sanitizing when they move into a home, when a tenant moves out, or before they sell.

What we offer

    UV air purification
    Mechanical-room duct cleaning
    Equipment and duct sanitizing

Moving In or Selling?

Ask about sanitizing the system first.

Ask About It
HVAC technician installing a UV air purifier lamp into the supply duct above a basement furnace
What We Offer

Indoor Air Quality Services

UV air purification installation
Mechanical-room duct cleaning
Equipment and duct sanitizing
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.
[PLACEHOLDER: verbatim customer review]
[PLACEHOLDER: verbatim customer review]
[PLACEHOLDER: verbatim customer review]

Areas We Serve

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

Indoor Air Quality Questions

What homeowners ask about cleaner air.

What does UV air purification installation involve?

We install a UV light unit inside your HVAC system. Ask us about the product we use when we come out.

Do you clean all of my ductwork?

We clean the ducts in the mechanical room.

When do people ask for sanitizing?

Most often after a move, a tenant change, or before a sale.

Get Started

Ask About Indoor Air Quality

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