HVAC Repair in Littleton, CO80120
Arctic Air Heating & Cooling dispatches licensed, insured heating and air conditioning technicians toLittleton and the 80120 ZIP code 24 hours a day, 7 days a week. Target response time in this service zone: 30-60 minutes.
If your high-efficiency gas furnaces with central air has started short cycling, blowing warm air or making a noise it never used to make, you are not alone — Littleton generates some of the highest call volume we handle in Colorado. Dry air, wide day-to-night swings and high altitude all change how combustion and refrigerant systems behave.
Talk to a live dispatcher in Littleton
Serving 80120 and Arapahoe County — no phone trees, no callback waiting.
- 30-60 minutes target response time in this service zone
- Written diagnostic report with photos of what we found
- We repair what can be repaired — no forced replacement upsell
- Workmanship warranty on every job we complete
★★★★★4.9 average · 393 verified reviews
- Licensed & Insured Technicians
- Background-Checked Crews
- Upfront Flat-Rate Pricing
- Same-Day & Next-Day Service
- No Overtime Charges
- All Work Warrantied
The Littleton80120 calls we answer most often
If your system is doing any of the following, it is worth a diagnostic before the fault gets more expensive.
Outdoor condenser humming but the fan not turning
Heat pump stuck blowing cold air in heating mode
Yellow or orange burner flame instead of steady blue
Refrigerant leak at a flare or coil connection
Musty or burnt smell the first time the system runs
No cool air, or air that is barely cooler than the room
Heating and air conditioning service built around Littleton
We treat 80120 as a dedicated service zone. Dry air, wide day-to-night swings and high altitude all change how combustion and refrigerant systems behave. Because the equipment here works hard for a long season, we lean heavily on catch-it-early diagnostics rather than emergency replacements.
Because Colorado swings between seasons quickly, a lot of our Littleton calls come in the first hot or cold snap of the year — systems that sat idle for months and then get asked to run flat out.
The busiest week of our year in Littleton is the first stretch of sustained june weather. Systems that idled all season fail in clusters.
Typical Littleton service pricing
| Service | Typical Range |
|---|---|
| Diagnostic / service call | $79 – $158 |
| Capacitor replacement | $189 – $441 |
| Contactor replacement | $200 – $473 |
| Refrigerant leak repair + recharge | $336 – $945 |
| Blower motor replacement | $473 – $998 |
| Compressor replacement | $1,470 – $3,045 |
| Hot surface igniter / flame sensor | $168 – $420 |
| Furnace control board | $399 – $893 |
| Condensate drain / float switch | $137 – $357 |
| Thermostat install (wired or smart) | $158 – $473 |
| Duct cleaning (whole home) | $399 – $945 |
| Full system replacement (installed) | $6,300 – $13,650 |
Market ranges reported for Littleton, CO and the wider Mountain West region. Your flat-rate quote is confirmed on site before any work begins.
Services available in 80120
Residential and light commercial, all major brands, all hours.
Air Conditioning Repair in Littleton
Diagnosis and repair for central air conditioners, heat pumps in cooling mode, ductless mini-splits and packaged rooftop units.
Furnace Repair in Littleton
Gas, propane, oil and electric furnace troubleshooting and repair.
HVAC Installation & Replacement in Littleton
Full system replacement and new construction installs with a Manual J load calculation so the equipment is actually sized for your home.
Heat Pump Repair & Service in Littleton
Heat pump diagnosis and repair for both heating and cooling operation, including cold-climate units, defrost board failures, reversing valve problems, auxiliary heat strip faults and refrigerant charge issues.
24/7 Emergency HVAC Repair in Littleton
Around-the-clock response for no-heat in freezing weather, total AC failure during a heat wave, gas smells, carbon monoxide alarms, water flooding from the indoor unit and complete system shutdowns.
Air Duct Cleaning & Sealing in Littleton
Whole-home duct cleaning and aeroseal-style duct sealing to recover lost airflow, reduce dust and lower the load on your equipment.
HVAC Maintenance & Tune-Up in Littleton
Seasonal precision tune-ups that catch failing components before they strand you.
Commercial HVAC Service in Littleton
Service for light commercial and commercial properties including rooftop packaged units, VRF and VRV systems, split systems, make-up air units and building automation controls.
What happens when you call
No forms, no waiting for a callback window. One phone call starts the whole process.
- Step 1: Call the dispatch lineYou reach a live dispatcher, not a recording. They confirm your address, the symptom you are seeing and how urgent it is.
- Step 2: Get matched to the nearest licensed techDispatch routes your job to the closest available licensed technician who already carries the common parts for your equipment.
- Step 3: On-site diagnosis with a flat quoteThe tech tests the system, shows you what failed and gives you a written flat-rate price before any work starts.
- Step 4: Approved repair, same visit when possibleMost repairs are finished on the first visit. If a part has to be ordered you get a firm return window, not a maybe.
Servicing Littleton and Arapahoe County
Our 80120 coverage zone centres on Littleton and extends to the surrounding communities listed below. Every technician dispatched into this area is licensed, insured and background-checked, and every job carries a workmanship warranty.
What Littleton homeowners say
“Two other companies told me I needed a whole new system. These guys found a $210 capacitor. I will never call anyone else.”
— Marcus T., verified Littleton customer
“The technician showed me photos of the corroded coil and explained the whole thing without talking down to me.”
— Robert L., verified Littleton customer
Littleton80120 HVAC questions, answered
Why is my furnace short cycling?
Short cycling in Littleton most often comes from a restricted airflow path — a loaded filter, a closed register, an undersized return — or from an oversized unit. It can also be a failing flame sensor or a pressure switch fault. We measure static pressure and temperature rise before concluding anything, because guessing at this one is expensive.
Do you offer maintenance plans?
We do. A two-visit plan in Colorado covers a spring cooling inspection and an autumn heating inspection, priority scheduling during peak weeks, discounted repairs and no diagnostic fee. Members rarely end up on the emergency list.
What does a new system cost in Littleton?
A complete residential replacement in the 80120 area generally lands between $6,000 and $13,000 installed, depending on capacity, efficiency rating and how much ductwork has to be modified. We always perform a Manual J load calculation first, because an oversized unit costs more to buy and runs worse than a correctly sized one.
Do you charge extra for nights, weekends or holidays?
No. Our pricing in Colorado is the same at 2am on a holiday as it is at 2pm on a Tuesday. Emergency calls are dispatched the same way as scheduled calls and carry no overtime premium.
Do you handle ductless mini-split systems?
Yes. Ductless installations have grown quickly in Colorado, particularly in older homes without existing ductwork. We service indoor heads, clean filters and drain lines, check line-set insulation and diagnose communication faults between heads and the outdoor unit.
What causes water to leak from the indoor unit?
Almost always a blocked condensate drain line, a failed drain pan float switch, or a frozen coil melting faster than the pan can handle. In Littleton we see algae and dust clogging drain lines constantly during June through August. It is a fast fix but ignoring it ends in ceiling damage.
HVAC service near Littleton, CO
We also cover these Colorado communities with the same 24/7 dispatch line.
Need HVAC help in Littleton 80120?
Emergencies do not keep business hours and neither do we. (866) 548-3173 is answered 24 hours a day, including weekends and holidays.
(866) 548-3173Answered 24 hours a day, 365 days a year