Comfortable home, no waiting, no surprise bills — heating & AC done right.
Fast, upfront-priced HVAC repair, tune-ups, and installs across the Denver metro. Same-day service and 24/7 emergency help when the heat (or AC) quits.
AC out in a heatwave? Furnace dead in a cold snap?
HVAC always fails at the worst possible moment.
You call around, get put on a waitlist, then wait days in a house that's too hot or too cold. The tech finally shows, and the "quick fix" quote is triple what you expected. You deserve fast help and a price you can trust before anyone starts turning wrenches.
Fast, honest HVAC — priced before we start.
We've kept Denver homes comfortable for 18 years and 20,000+ service calls. You get a real arrival window, a flat quote you approve up front, and a NATE-certified tech who fixes it right — not one who upsells you a whole new system you don't need.
Why Summit Heating & Air?
Comfort back today
Same-day and 24/7 emergency service with tight arrival windows, so you're not sweating (or freezing) for days waiting on a callback.
The quote is the price
Flat, upfront pricing you approve before we start — so the bill never balloons mid-job. No hourly surprises, ever.
Repair-first, not sell-first
NATE-certified techs who fix what's broken and tell you honestly when a repair beats a $10k replacement.
Here's how it works
Get your free quote
Call or book online in 60 seconds and grab an arrival window that works for you.
We diagnose & fix it
A NATE-certified tech arrives on time, gives you a flat quote to approve, and gets your system running — usually same visit.
Enjoy a comfortable home
Guaranteed work, a clean workspace, and a follow-up to make sure everything's running perfectly.
Don't take our word for it
“AC died on a 98° Saturday. They had a tech here in two hours and the price was exactly the quote. Lifesavers.”
“Another company told me I needed a whole new furnace. Summit fixed it for $280 and showed me why. Customer for life.”
“On time, clean, and they explained everything without the pressure. Booked them for my rental too.”
What you get
- NATE-certified technicians
- Upfront flat-rate pricing
- Same-day & 24/7 emergency service
- AC & furnace repair
- System tune-ups & maintenance plans
- New system installs & replacements
- Heat pumps & ductless mini-splits
- Workmanship guarantee