Top Emergency HVAC Services in Boulder, CO,  80025  | Compare & Call

Boulder HVAC Company

Boulder HVAC Company

Boulder, CO
Emergency HVAC Services

Phone : (888) 996-4787

Boulder HVAC Company is a local provider offering AC and heating repair in Boulder, Colorado. The company services common system types found in the area and responds to urgent comfort issues year-round.
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Wellbeing HVAC

Wellbeing HVAC

Boulder CO 80303
Heating & Air Conditioning/HVAC

Wellbeing HVAC is a Boulder, CO heating and air conditioning contractor with 25 years of local experience. This family-owned company provides HVAC installation, replacement, and system repair for residents. Their work is backed by a strong 2-year warranty, offering reliable comfort and peace of mind. Skilled technicians are available for your HVAC needs throughout Boulder, Gunbarrel, and Lazy Acres.

Ellora Energy

Ellora Energy

5665 Flatiron Pkwy, Boulder CO 80301
Heating & Air Conditioning/HVAC

Ellora Energy is a trusted HVAC company serving Boulder, CO. Their skilled technicians provide reliable heating and air conditioning service, available for emergency repairs. For dependable comfort solutions, the team at Ellora Energy brings professional care to every home.

Colorado Eco-Mechanical

Colorado Eco-Mechanical

2754 47th St, Boulder CO 80301
Heating & Air Conditioning/HVAC

Colorado Eco-Mechanical is a trusted HVAC company serving Boulder, CO, and nearby areas. They specialize in energy-efficient heating and cooling system installation, maintenance, and repair. This sustainable design-build firm works with architects to create tailored solutions, focusing on optimizing energy use for every home and project. Their skilled technicians provide reliable service for heat pumps, furnaces, and air conditioners.

Sub Zero Heating & Air Conditioning

Sub Zero Heating & Air Conditioning

Boulder CO 80304
Heating & Air Conditioning/HVAC

Sub Zero Heating & Air Conditioning provides reliable HVAC service to Boulder, CO. With a combined 25 years in the community, their certified technicians specialize in heating, cooling, and indoor air quality solutions. They focus on honest repair and maintenance to extend your system's life, serving Boulder, Gunbarrel, Niwot, and nearby areas.

1st Pro Services

1st Pro Services

★★★★★ 5.0 / 5 (1)
Boulder CO 80302
Heating & Air Conditioning/HVAC

1st Pro Services is a trusted HVAC company in Boulder, CO, offering reliable heating and air conditioning repair, installation, and maintenance. Their skilled technicians provide prompt service for homes and businesses across the Front Range. They focus on keeping your system running efficiently and offer helpful maintenance advice to prevent costly breakdowns.

Robert Buck Plumbing & Heating

Robert Buck Plumbing & Heating

Boulder CO 80303
Plumbing, Heating & Air Conditioning/HVAC

When plumbing or heating issues arise in Boulder, CO, residents rely on the skilled team at Robert Buck Plumbing & Heating. They provide dependable plumbing inspections and HVAC solutions for customers in Superior and the surrounding area. Known for their reliable service and straightforward approach, this locally-operated company is a trusted resource for home comfort and maintenance needs.

Boulder Cooling and Heating

Boulder Cooling and Heating

Boulder CO 80301
Heating & Air Conditioning/HVAC, Appliances & Repair

For years, Boulder Cooling and Heating has provided reliable HVAC and appliance repair services to Boulder, CO and nearby areas like Gunbarrel and Niwot. This local company handles installations, maintenance, and emergency repairs outside regular hours. Their skilled team offers free estimates and focuses on maintaining your system's performance and air quality.

Fresh Air Duct Cleaning

Fresh Air Duct Cleaning

5400 Spine Rd, Boulder CO 80301
Air Duct Cleaning, Environmental Abatement, Heating & Air Conditioning/HVAC

Fresh Air Duct Cleaning provides reliable HVAC and air duct cleaning services in Boulder, CO. They handle system repair, environmental abatement, and installations for Gunbarrel residents. With skilled technicians available from early morning until late night every day, they are a trusted local choice for maintaining your home's air quality and system performance.

Go Tankless

Go Tankless

★★★★☆ 3.5 / 5 (8)
Boulder CO 80302
Heating & Air Conditioning/HVAC, Water Heater Installation/Repair

Go Tankless provides reliable HVAC and water heater services in Boulder, CO. Since 1990, this locally-owned company has built a trusted reputation for installations, repairs, and maintenance. Their skilled technicians help homeowners in Boulder County and Lazy Acres improve energy efficiency. They offer expert care for heating, cooling, and water heater systems.

Solar Pro - Hydronic Heating Systems

Solar Pro - Hydronic Heating Systems

Boulder CO 80306
Heating & Air Conditioning/HVAC

Serving Boulder, CO, Solar Pro specializes in hydronic heating and solar thermal system installation, design, and maintenance. Their skilled team brings reliable expertise to every project for clients in Lazy Acres and beyond. As a trusted local HVAC provider, they focus on delivering efficient, effective climate solutions with straightforward professionalism.



Your Complete Guide to HVAC Service in Boulder, CO

Living in Boulder means enjoying the beauty of the Rockies, but it also means dealing with quick weather changes. One day it’s sunny and mild, the next a cold front drops temperatures below freezing or a summer heatwave hits. When your home’s comfort system fails during these extremes, you need reliable help fast. This guide covers everything you need to know about HVAC service in Boulder, CO—from regular check-ups to emergency repairs—so you’re never left in the cold or sweltering heat.

What HVAC Service Means in Boulder, CO

HVAC service isn’t just fixing a broken unit. It’s a full range of care for your home’s heating, ventilation, and air conditioning. For Boulder homeowners, this includes seasonal maintenance to prepare for winter chills and summer heat, same-day repairs for sudden issues, and 24/7 emergency response for true safety hazards. Whether you’re in an older Mapleton Hill home with a classic furnace or a newer Gunbarrel build with a heat pump, regular service keeps your system efficient and reliable year-round.

What Is Considered an HVAC Emergency?

Some HVAC problems are inconvenient, but others are urgent. In Boulder, an HVAC emergency is any situation that threatens your safety or could cause major damage to your home. This includes having no heat when outdoor temps are below freezing, your AC failing during a dangerous summer heatwave, smelling gas or a rotten-egg odor near your furnace, hearing electrical buzzing or seeing smoke from your unit, or finding a major water leak from your indoor air handler. In these cases, waiting isn’t safe.

Boulder’s Climate and Your HVAC System

Our local weather puts unique stress on home systems. Dry, hot summers mean your AC runs constantly, while our cold, snowy winters demand reliable heat. The dust and pollen from the plains can clog filters fast, and temperature swings can make systems work overtime. Many Boulder homes, from downtown condos to Martin Acres bungalows, use gas furnaces and central AC. Newer builds and remodels often use efficient heat pumps or ductless mini-splits. No matter the system, Boulder’s climate means it needs attention.

Common HVAC Problems Boulder Homeowners Face

We see the same issues pop up across the city. In summer, it’s often an AC not cooling—maybe from a frozen coil on a 95-degree day. Last July, a family in Whittier had this happen; their unit was iced over because of a clogged filter. In winter, furnaces not igniting are common. Just this past January, a homeowner in North Boulder called because their furnace wouldn’t start on a 10-degree night—a faulty flame sensor was the culprit. Other frequent calls are for ACs leaking water inside (usually a blocked condensate line), weird thermostat behavior, and worries about carbon monoxide from older heaters.

Emergency HVAC vs. Same-Day vs. Routine Service

Knowing when to call is key. For true emergencies like no heat in a freeze or a gas smell, call for immediate 24/7 service. For problems that are urgent but not dangerous—like an AC struggling on a hot day or a furnace making odd noises—same-day HVAC service is perfect. It gets you fixed quickly without the emergency fee. For things like seasonal tune-ups, strange smells that come and go, or planning a replacement, scheduling routine HVAC service during normal hours is the smart, cost-effective choice.

Understanding HVAC Service Costs in Boulder

We believe in being upfront about costs. Most HVAC service in Boulder starts with a diagnostic fee, which covers the technician’s time to find the problem. For emergency or after-hours calls, there’s typically an additional call-out fee, and labor rates are higher. Parts cost extra, and major replacements might need a permit from the city. As an example, a routine AC repair during business hours might cost a few hundred dollars. An emergency furnace repair on a weekend night could be more, due to after-hours premiums. These are estimates; we always provide a clear quote before any work begins.

Signs You Need Immediate HVAC Service

  • No heat when outdoor temperatures are below freezing.
  • Your carbon monoxide alarm goes off.
  • You smell natural gas or a rotten-egg odor near the furnace.
  • You see smoke or smell burning from the HVAC unit.
  • Water is pooling from your indoor AC unit or air handler.
  • There are loud banging, screeching, or electrical buzzing noises.
  • Your AC stops working completely during a heatwave.

Safety Checklist While You Wait for Help

If you have an emergency, stay safe while waiting for the technician:

  • If you smell gas, evacuate immediately and call your gas utility from outside.
  • If your CO alarm sounds, get everyone outside to fresh air.
  • If it’s safe to do so, turn off your HVAC system at the thermostat or breaker.
  • Keep away from any electrical components that are sparking or smoking.
  • Move children, elderly family members, or pets to a safe, comfortable spot.
  • Remember: never try to fix gas lines or high-voltage electrical issues yourself.

Local Codes and Why Licensed Service Matters

In Boulder County, HVAC work must follow specific codes. This includes proper furnace venting to prevent CO hazards, safe handling of refrigerants (requiring an EPA 608 certification), and pulling permits for new installations or major changes. Using a licensed, insured HVAC service near you ensures the job is done right, protects your home’s value, and keeps your family safe.

What to Expect: Response Times in Boulder

When you call for emergency HVAC service in Boulder, CO, our goal is a quick response. Depending on traffic, weather, and call volume, a technician is typically en route within 60 to 180 minutes. Living near major routes like US-36 or Diagonal Highway can help speed things up. We’ll always give you our best estimate when you call.

Your Trusted Local HVAC Partner

Dealing with HVAC trouble is stressful, but you don’t have to face it alone. For everything from a routine check-up to a midnight emergency, reliable HVAC service in Boulder, CO is here for you. Boulder Emergency HVAC provides trusted HVAC service in Boulder, CO, including 24/7 emergency response and same-day repairs. Call (888) 996-4787 now for immediate dispatch.





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