We offer same-day and after-hours AC repair across Boulder, CO, and the surrounding Front Range. If your air conditioning has stopped working or is running but not cooling, don’t wait. Boulder summers hit hard and fast, and a system that fails at 2 PM on a 95°F July day isn’t going to fix itself by morning.

Our DORA-licensed team handles ac repair boulder co emergencies seven days a week. Here’s what you need to know to get help fast.
Signs You Need Emergency AC Repair Right Now
Not every AC problem is an emergency. But these situations are and waiting makes them worse.
Complete system failure during a heat event. If your AC won’t turn on at all and Boulder’s forecast is hitting the 90s, that’s an emergency call. Indoor temperatures in poorly ventilated homes can reach dangerous levels within hours on a hot Front Range afternoon. This is especially true in older homes in Mapleton Hill, the Hill neighborhood, and older Gunbarrel construction, where insulation is thinner.
AC is running constantly but not cooling below 80°F. A system that runs nonstop without reaching the setpoint is working itself to death. Every hour it runs in that state adds wear on the compressor. If your HVAC repair Boulder system has been struggling for more than 4–6 hours during a hot day, call for same-day service rather than letting it limp through the night.
Hissing or bubbling sounds near the outdoor unit. This almost always indicates a refrigerant leak. Refrigerant leaks don’t resolve on their own; the system will gradually lose its ability to cool entirely, and the compressor will eventually fail from running low. A hissing AC is a same-day call.
Ice forming on refrigerant lines or the outdoor unit. It sounds counterintuitive to ice on an AC, but this signals a serious airflow or refrigerant issue. If you see ice, turn the system off immediately and call. Running a system with ice on the coils risks compressor damage within hours.
Burning smell from vents or the air handler. Never ignore this. A burning smell indicates an electrical fault, burned wiring, a failing motor, or an overheating component. Turn the system off and call. This is a fire safety issue, not just an HVAC issue.
Warm air is blowing despite the system running. This has several possible causes some minor, some serious.
What to Expect from Same-Day AC Repair in Boulder CO
We know calling for emergency air conditioning repair boulder co can feel stressful you don’t know who you’re getting or what it’s going to cost. Here’s how the process works so there are no surprises.
Step 1 — You call or text. We confirm your location and the nature of the problem. If it’s a clear emergency, we prioritize accordingly.
Step 2 — We give you an honest ETA. Same-day service in Boulder typically means arrival within 2–5 hours during business hours. After-hours calls may run 3–6 hours depending on current call volume.
Step 3 — Diagnosis on arrival. Our techs carry a full diagnostic toolkit and the most commonly needed parts, capacitors, contactors, refrigerant, and motor components on every vehicle. Most emergency repairs are resolved in a single visit.
Step 4 — Written estimate before any work starts. No legitimate HVAC company should start work without giving you a written estimate first. We don’t. If a company skips this step, that’s a red flag worth taking seriously.
Step 5 — Repair completed and system tested. We don’t leave until the system is running correctly and you’ve confirmed the cooling is restored.
For homeowners in Broomfield, our ac repair Broomfield CO response times are comparable to Boulder we’re on the Front Range corridor and run routes through both markets regularly. The same goes for home HVAC repair broomfield colorado calls we receive from the eastern Broomfield developments near Interlocken.

We Cover Boulder and the Surrounding Front Range
Emergency AC repair shouldn’t mean you’re stuck waiting because you’re 20 minutes outside Boulder proper. We serve the full Boulder County area and surrounding Front Range communities.
Primary service area — Boulder, CO: Central Boulder, South Boulder, North Boulder, Gunbarrel, Table Mesa, Mapleton Hill, Newlands, Whittier ZIP codes 80301, 80302, 80303, 80304, 80305
Lafayette and Louisville: We handle hvac lafayette co and Louisville HVAC emergencies regularly. Lafayette’s newer construction east of US-287 and the older housing stock near the original town center both see different failure patterns and our techs know both. For air conditioning repair Lafayette CO calls, our response time from Boulder is typically 25–40 minutes.
Broomfield: Hvac broomfield co emergency calls are a regular part of our route. Whether you’re in the Anthem neighborhood, near FlatIron Crossing, or in older East Broomfield, same-day service applies. We also handle home HVAC repair lafayette colorado and the surrounding Erie and Superior markets.
Other areas served: Longmont, Superior, Erie, Niwot, Nederland
Frequently Asked Questions
How fast can you respond to emergency AC repair calls in Boulder CO?
During business hours, same-day service in Boulder, CO typically means arrival within 2–5 hours, depending on current call volume and your location. After-hours emergency calls, evenings, and weekends run 3–6 hours. We prioritize calls involving complete system failure during heat events and any situation involving burning smells or safety concerns.
How much does emergency AC repair cost in Boulder CO?
Standard repair pricing applies to most same-day calls — diagnostics run $75–$150, and common repairs like capacitor replacement run $150–$350 including parts and labor. After-hours emergency calls may carry a service premium of $50–$150 above standard rates. You’ll always receive a written estimate before any work begins.
Do you offer emergency heating repair in Boulder CO too?
Yes. Heater repair boulder co emergencies furnace failures, heat pump issues, and no-heat calls are handled with the same same-day priority as AC emergencies, particularly during Boulder’s early and late cold snaps in October and April when a furnace failure is genuinely dangerous. We handle full heating service boulder city calls across the Boulder metro area.
What should I do while waiting for emergency AC repair in Boulder?
Close blinds and curtains on sun-facing windows to reduce heat gain. Turn on ceiling fans (they help circulate air but don’t cool — don’t mistake airflow for cooling). Keep the AC set to its lowest comfortable setting but don’t drop the thermostat dramatically it won’t cool faster. If indoor temperatures exceed 85°F and you have elderly residents, young children, or pets, consider a cooler public space while you wait.

Need Emergency AC Repair in Boulder, CO? Call Now.
Don’t wait out a hot Boulder afternoon hoping the system sorts itself out. The difference between a $300 repair and a $2,500 compressor replacement is often just a few hours of running a struggling system.
Our Colorado DORA-licensed, EPA 608 certified team is ready for ac contractor boulder city calls today. We serve Boulder, Lafayette, Broomfield, Louisville, Longmont, Superior, Erie, and Niwot — same-day service, written estimates, no pressure.
For everything you need to know about ac company boulder city services, maintenance, costs, and choosing the right contractor
+1 706 786 0440 Call or text for same-day emergency AC repair in Boulder CO.










