★★★★★ Rated 4.7 out of 5
4.7 Google rating from 432 reviews
AC Repair in Littleton, CO
Cold air back on, with the price in front of you first.
- HVAC diagnostic: $99.95
- Price before any work starts
- Written guarantees
AC Repair in Littleton From Our Shaffer Parkway Shop
Summit Heating, A/C, Plumbing & Electrical repairs central air conditioners for homeowners in Littleton from our shop at 8091 Shaffer Pkwy, Suite C. It’s for the AC that runs but doesn’t cool, freezes up, leaks water or won’t start, and for owners who want to hear whether the system is worth fixing before anyone mentions a new one. Your technician finds the cause, explains it, and shows you the price before any work starts.
HVAC diagnostic: $99.95. Your technician reviews the estimate with you. You can approve it on the spot or later through a link to the estimate.
HVAC diagnostic: $99.95. Your technician reviews the estimate with you. You can approve it on the spot or later through a link to the estimate.
How an AC Repair Visit Works
- Call (720) 870-1580 or request service online. Hours are Monday to Friday 7am to 6pm and Saturday and Sunday 8am to 3pm. After hours: our answering service takes your call and we call back the next business day.
- Your technician runs the HVAC diagnostic ($99.95) on the indoor and outdoor equipment and shows you what failed.
- You hear about repair first when repair is real.
- Your technician reviews the estimate with you. Approve it on the spot, or later from the link.
- We make the repair, check that the house is cooling, and clean up.
Common Air Conditioner Problems We Repair
Not cooling
The fan runs, but the air from the vents is warm or barely cool.
Outdoor unit won't start
The indoor fan runs while the condenser outside sits quiet.
Ice on the lines
Frost or ice on the copper lines or the indoor coil, then little airflow.
Water around the furnace
Condensate backing up where the AC coil sits on top of the furnace.
Short cycling
The AC turns on and off every few minutes and never catches up.
Error codes
The thermostat or the equipment shows a fault code.
Each of these has more than one possible cause, so the diagnostic comes before the price.
AC Repair Cost in Littleton and the $99.95 Diagnostic
Every repair visit starts with the $99.95 HVAC diagnostic. We don’t post AC part prices, because the price depends on what failed. You see the repair price before any work starts, and nothing is done until you approve it.
What changes the repair price:
What changes the repair price:
- The part that failed, such as a capacitor, a fan motor or a refrigerant leak.
- Whether refrigerant has to be recovered and recharged.
- Your system’s age and make.
- Access to the outdoor unit and the indoor coil.
Your R-410A Air Conditioner Can Still Be Repaired
Existing R-410A systems can legally be repaired. EPA rules affect new equipment. R-410A is being phased down, not banned, and the EPA’s May 2026 rule also lets equipment made before Jan 1, 2025 still be installed. Most new residential systems now use R-454B or R-32, both A2L refrigerants. (EPA, checked Nov 2026.)
That’s why we look at repair first. When the system is old and the repair is large, your technician explains the numbers so you can compare it with AC installation in Littleton.
That’s why we look at repair first. When the system is old and the repair is large, your technician explains the numbers so you can compare it with AC installation in Littleton.
Littleton Summers and Air Conditioner Service
NOAA’s 1991-2020 normals for Denver International Airport show July highs averaging 89.9°F and cooling demand climbing from 26 cooling degree days in May to about 315 in July. Most AC calls come in that stretch.
Columbine, around West Coal Mine Avenue and South Pierce Street, is about 3 miles from our shop, as are the 80128 homes off C-470 and South Wadsworth Boulevard near Chatfield State Park. Homes near Writers Vista Park and South Santa Fe Drive in 80120, or Columbine Valley City Hall off West Belleview Avenue, are about 6 miles away.
A repair rarely needs a permit, but a replacement does: inside city limits the City of Littleton Building Division lists air-conditioning equipment as permit work, filed through eTRAKiT. Unincorporated Jefferson and Arapahoe county addresses with a Littleton mailing address go through their county. We pull it if it comes to that. (Checked Nov 2026.)
Columbine, around West Coal Mine Avenue and South Pierce Street, is about 3 miles from our shop, as are the 80128 homes off C-470 and South Wadsworth Boulevard near Chatfield State Park. Homes near Writers Vista Park and South Santa Fe Drive in 80120, or Columbine Valley City Hall off West Belleview Avenue, are about 6 miles away.
A repair rarely needs a permit, but a replacement does: inside city limits the City of Littleton Building Division lists air-conditioning equipment as permit work, filed through eTRAKiT. Unincorporated Jefferson and Arapahoe county addresses with a Littleton mailing address go through their county. We pull it if it comes to that. (Checked Nov 2026.)
Our Written Guarantees on Every AC Repair
Google Reviews of Summit Heating, A/C, Plumbing & Electrical
Summit holds a 4.7 rating from 432 Google reviews.
"Christian was very helpful and was able to explain what was going on and able to fix the issue. Now the AC is blowing cold again."
Matt
Related Heating and Cooling Services Near Littleton
HVAC Services Related to AC Repair
AC Replacement, AC Tune-Ups and Heat Pump Repair
If the AC is past saving, see AC installation in Littleton. To head off next summer’s call, book an AC tune-up in spring. Heat pumps and ductless mini-splits are repaired under heat pump repair in Littleton, and for winter there’s furnace repair.
The Littleton HVAC page lists everything else we do here. The Denver AC repair page covers the wider metro, and Ken Caryl is next door to our shop.
The Littleton HVAC page lists everything else we do here. The Denver AC repair page covers the wider metro, and Ken Caryl is next door to our shop.
AC Repair Questions from Littleton Homeowners
How much does AC repair cost in Littleton?
Every repair visit starts with the $99.95 HVAC diagnostic. Your technician finds the fault, then shows you the repair price before any work starts. You can approve it on the spot or later through a link.
Can my R-410A air conditioner still be repaired?
Yes. Existing R-410A systems can legally be repaired. EPA rules affect new equipment, and R-410A is being phased down, not banned.
Will you push me to replace my AC?
No. We look at repair first and explain what we find. If replacement makes more sense, your technician tells you why, and you can approve that estimate later through a link.
What if my AC stops working at night or on a holiday?
Our hours are Monday to Friday 7am to 6pm and Saturday and Sunday 8am to 3pm. After hours, our answering service takes your call and we call back the next business day.
Do you repair heat pumps and mini-splits too?
Yes. Those are covered on our heat pump repair page for Littleton, because a heat pump also heats the house in winter and its faults are different.
Do you serve Columbine and the Chatfield area?
Yes. Both are about 3 miles from our shop at 8091 Shaffer Pkwy. Homes near South Santa Fe Drive and West Belleview Avenue are about 6 miles out, and we cover them too.
Schedule AC Repair in Littleton
Book an AC diagnostic Call (720) 870-1580 to book a cooling diagnostic. Or request service at /get-a-quote/.