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Serving Englewood, CO and the surrounding areas

(303) 900-4054

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Professional AC Service Excellence in Littleton

When temperatures soar during Colorado summers, reliable air conditioning becomes essential for comfort and health. At Gustafson Heating & Air Conditioning, we understand that proper AC service extends far beyond simple repairs. Our comprehensive approach to air conditioner service encompasses preventive maintenance, system optimization, and emergency response capabilities that keep your cooling system running efficiently throughout the demanding summer months. We’ve been serving our customers in Highlands Ranch, Englewood, and surrounding areas for more than 45 years, developing deep expertise in the unique cooling challenges that Littleton residents face.

The elevation and climate variations in Littleton create specific demands on central air systems that require specialized knowledge and experience. Your air conditioning unit works harder here than at sea level, processing thinner air while combating intense UV radiation that can degrade components faster than in other regions. Our technicians understand these local factors and adjust their service approaches accordingly, ensuring your system receives maintenance tailored to Colorado’s unique environmental conditions.

Comprehensive Central Air Maintenance Programs

Regular AC service prevents the vast majority of cooling system failures that occur during peak summer demand. Our maintenance programs include thorough inspections of all system components, from the outdoor condenser unit to the indoor evaporator coils and everything in between. During each service visit, we check refrigerant levels and test for leaks using advanced electronic detection equipment that can identify even microscopic breaches in your system’s sealed refrigerant circuit. Low refrigerant levels force your compressor to work harder, increasing energy consumption by up to thirty percent while reducing cooling capacity.

We clean and inspect electrical connections, measuring amperage draw and voltage to ensure all components operate within manufacturer specifications. Loose connections create resistance that generates heat, potentially damaging expensive components like contactors and capacitors. Our technicians also examine and clean the condensate drain system, preventing water damage and mold growth that can occur when drainage lines become clogged with algae and debris. The blower motor receives careful attention during service visits, including lubrication of bearings and inspection of the blower wheel for accumulated dirt that reduces airflow efficiency.

Advanced Diagnostic Techniques for Air Conditioner Optimization

Modern air conditioner service requires sophisticated diagnostic tools and interpretive expertise. We utilize digital manifold gauges that provide precise pressure readings and calculate superheat and subcooling values automatically, allowing our technicians to fine-tune your system for maximum efficiency. Temperature differential measurements across evaporator and condenser coils reveal performance degradation before it becomes noticeable in your home’s comfort levels. Since 1971, Gustafson Heating & Air Conditioning has delivered quality customer service, reliability, and expertise in heating, cooling, and ventilation to our residential and commercial clients.

Our diagnostic process includes comprehensive airflow analysis using digital anemometers to measure velocity at supply and return registers throughout your home. Proper airflow distribution ensures consistent temperatures in every room while minimizing system cycling that increases wear on components. We also perform static pressure testing to identify ductwork restrictions that force your system to work harder than necessary, increasing both energy costs and mechanical stress on blower motors and other components.

Emergency Response and AC Repair Capabilities

When your central air system fails during a heat wave, rapid response becomes critical. Our emergency AC service team maintains extensive inventories of replacement parts for all major brands and models, enabling same-day repairs for most common failures. As a Rheem Team Top 10 Contractor in the United States, our highly-trained technicians, and responsive support staff, offer customized solutions to fit your budget while ensuring repairs meet manufacturer specifications and maintain warranty coverage.

Common emergency repairs include:

  • Capacitor replacement when motors fail to start or run intermittently
  • Contactor replacement when electrical pitting prevents proper circuit completion
  • Refrigerant leak repair and system recharging to restore cooling capacity
  • Blower motor replacement when bearings fail or windings burn out
  • Thermostat troubleshooting and replacement for control system failures

Improve Your Air Conditioner’s Efficiency

Rising energy costs make efficiency improvements increasingly valuable for Littleton homeowners. Our AC service includes comprehensive efficiency assessments that identify opportunities to reduce operating costs without sacrificing comfort. We analyze your system’s SEER rating against current consumption patterns, calculating potential savings from upgrades or modifications. Simple improvements like installing programmable thermostats or adding zone control systems can reduce cooling costs by twenty to forty percent while improving comfort consistency throughout your home.

We also evaluate insulation effectiveness and air sealing opportunities that reduce the cooling load on your system. Even the most efficient air conditioning equipment struggles to maintain comfort when conditioned air escapes through gaps around windows, doors, and penetrations. Our holistic approach to AC service considers your entire home’s thermal envelope, ensuring your cooling system operates at peak efficiency while maintaining the comfortable environment you expect during Colorado’s warmest months.

Serving Highlands Ranch, Englewood, and surrounding areas

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Air Conditioning Service, AC Service & Air Conditioner Service in Littleton, CO

Air Conditioning Service in Littleton, CO | Air Conditioner Service

AC ServiceAir Conditioning ServiceAir Conditioner Service ∴ Littleton, CO

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Customer Reviews

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Gary W.

WOW, what a great job Gustafson Heating and Air Conditioning did for my wife and I. They were professional, fast, and way less expensive than the others we looked into. We really appreciate what they did. It was in the winter when our furnace broke down and they replaced it immediately. They left our home clean and warm and we will appreciate the cool air this coming summer. THANK YOU Mike and your team!

Kristina C.

I received a number of quotes to install a whole home humidifier. Gustafson was amazing from start to finish. I was able to handle everything over the phone without needing an additional in-person quote with a number of upcharges. I spoke to a gentleman who walked me through options by seeing pictures of my setup and was extremely knowledgable on what was necessary to ensure I was getting the correct humidifier for my home. The pricing was extremely competitive compared to the others and was not full of hidden charges. When I called, they were able to get an appointment set up within a week. The service tech was on time, courteous, cleaned up after himself, and walked me through the whole setup.

Svein R.

I got three quotes for a heat pump and gas furnace back-up. Gustafson’s was the most competitive. In addition, Mike McCarthy was, and is, a gem; very knowledgeable and responsive. The other Gustafson employees on the job were courteous and professional. I am very pleased with the equipment and the installation, which was a difficult one. I highly recommend Gustafson!

Meagan P.

Gustafson installed our HVAC system in 2019 and have been so great with service! They’re honest and back up their work. Recently our A/C wasn’t cooling to the set temp. Todd was so kind & diligent in teaching us what to do as homeowners, but also servicing/cleaning the mechanics and we’re back to a nice, cool home just in time for higher temperatures!

Scott H.

Purchased a mini-split (AC / Heat Pump) unsure if I’d be able to install it or not. I installed most of it myself but there were a few technical procedures I didn’t have the expertise or tools to undertake. Dillon came out and finished the job, doing top-notch work and taking in account the aesthetics of the unit inside and out. Very reasonable price as far as I’m concerned. My new go to neighborhood HVAC company.

David R.

Basement flooded. This is where my WFH office is, so it was a big deal. Gustafson sent out Todd to fix it. He got it fixed quickly, and charged me a very reasonable fee. Basement is warm and dry now. I can’t say enough good things about Gustafson.

Steven B.

The technician “Luis” was fantastic as usual. All the services and technicians we have used with Gustafson over 12 years have been prompt, professional, timely and reasonable over the years. I definitely approve of this vendor!!!

William R.

Our furnace went out and our regular company gave us a 2 week window for coming out. We have a RHEEM furnace and needed an authorized RHEEM dealer. I called Gustafson and they came out in 48 hrs. They were so nice and the technician –Dylan–was so helpful that I am switching companies. Really a great experience.

Sonja L.

Absolutely the best!!!! This is an honest company with very professional people working for them. The price for all work is always very fair and very reasonable!!!

Krista B.

I had the whole HVAC system installed by Gustafson about three years ago and recently requested maintenance on the system. Technician Robert Gomez was the tech that responded and he was very personable, easy to talk to, and explained what he was doing to me to service my furnace. I felt like I received thorough service and he provided advice for the future as well. Thank you, Robert!! I hope to be able to request you again in the future to do maintenance on my AC next spring.

Code of Ethics:

  • Providing services at or above accepted industry standards
  • Providing exceptional customer service and supportive, long-term relationships with our customers
  • Ensuring that Honesty and Integrity are the hallmark of all of our business practices and services
  • Improving through continuing education and training

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Our team of expert HVAC technicians are ready to assist you, 24/7. No job is too big or small: We come prepared. Put your worries behind and work with the local experts, Gustafson Heating & Air Conditioning

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Gustafson Heating & Air are expert HVAC professionals trained to take care of any comfort issue you may have!

We’re a Lennox Dealer and are trained to deliver a level of comfort and service that exceeds customer expectations. Because Gustafson Heating & Air understand that actions speak louder than words, instead of just talking quality, we practice it through listening and responding to your comfort needs.

Industry-Leading Products

As partners with the leading name in home comfort, Lennox has the best products available in the industry, including highly efficient systems from the Dave Lennox Signature® Collection made here in the United States.

Highly rated for customer satisfaction

In order to sell Lennox products, Gustafson Heating & Air must consistently meet and exceed customer expectations. To ensure we do that, we are trained to design, install, service and maintain HVAC systems. We are dedicated to achieving complete customer satisfaction and must maintain a 4-star rating among consumers.

Rheem product line

Littleton, CO