How quickly can you respond to an HVAC emergency in Highlands Ranch?

We offer 24/7 emergency HVAC service and typically respond within 1-2 hours in Highlands Ranch and surrounding areas.

Do you offer same-day AC repair in Highlands Ranch?

Yes! We offer same-day AC repair service in Highlands Ranch, Littleton, Parker, Castle Rock, Lone Tree, and South Aurora. Call (720) 227-6636.

Are you licensed and insured?

Yes. Highlands Ranch Heating & Air is fully licensed and insured in the state of Colorado. We've been serving South Metro Denver since 2008.

Do you offer financing for HVAC installation?

Yes, we offer flexible financing options for new HVAC system installations. Contact us for details.

What areas do you service?

We serve Highlands Ranch, Littleton, Parker, Castle Rock, Lone Tree, South Aurora, and Centennial, Colorado.

Preventive Maintenance

HVAC Maintenance Plans in Highlands Ranch & the Denver Metro Area

The cheapest HVAC repair is the one you never have to make. Annual tune-ups keep your system running efficiently, extend its life, and catch small problems before they become expensive ones.

Call to Schedule Book Online

Licensed & Insured

Colorado Certified

Same-Day Service

10am–8pm, Emergency 24/7

Honest Pricing

Upfront quotes, no surprises

5-Star Rated

200+ local reviews

HVAC technician performing seasonal tune-up on AC condenser unit — Highlands Ranch Heating & Air

Seasonal AC tune-up — condenser inspection & electrical check, South Metro Denver

Preventive HVAC Maintenance That Actually Works

Most HVAC breakdowns are preventable. A dirty coil, a worn capacitor, a clogged drain line — these are all small issues that a trained technician catches during a tune-up before they strand you in the cold or heat. We serve Highlands Ranch, Lone Tree, Littleton, Parker, Castle Rock, and Aurora throughout the Denver Metro area with thorough seasonal maintenance visits.

Our maintenance plan includes priority scheduling, discounted repair rates, and the peace of mind that comes with knowing your system has been inspected by someone who knows what to look for.

What's Included in Every Tune-Up

Thermostat calibration and testing

Inspect and clean burners (heating)

Check heat exchanger for cracks

Test safety and limit switches

Clean evaporator and condenser coils

Check refrigerant levels

Lubricate all moving parts

Test capacitors and contactors

Inspect electrical connections and wiring

Clear condensate drain line

Replace standard air filter

Full system performance report

Maintenance Plan Membership

Sign up for our annual maintenance plan and get both a spring AC tune-up and a fall furnace tune-up, plus priority scheduling, 15% off repairs, and no diagnostic fees. It's the best way to keep your HVAC system running efficiently year-round.

Call to Enroll

How Often Should You Service Your HVAC?

Twice a year is ideal — once in spring before cooling season, once in fall before heating season. At minimum, have your furnace inspected every year before winter hits. Colorado temperatures drop fast, and you don't want to find out your system isn't ready in January.

HVAC Maintenance Service Areas

Maintenance – Lone Tree Maintenance – Littleton Maintenance – Highlands Ranch Maintenance – Castle Rock Maintenance – Parker Maintenance – South Aurora

Ready to Get It Fixed?

Call now or book online. We'll be there fast.

Call Now Book Online

What Our Customers Say

5-Star Rated. Every Time.

4.9 out of 5 — 200+ Reviews

"They showed up on time, diagnosed the problem in 20 minutes, and had our furnace running before dinner. No upsell, no drama. Exactly what you want from an HVAC company."

Sarah M.

Highlands Ranch, CO · 2 weeks ago