Featured

Comfort Zone Heating & Air Conditioning

HVAC Companies in Boulder, Colorado
Ranked #2 in Boulder | Grade A-
4.90 (104 reviews)

Comfort Zone Heating & Air Conditioning

Comfort Zone Heating & Air Conditioning assists Boulder, Colorado homeowners with practical HVAC solutions, from repairs to full system replacements. The office team is described as responsive, and technicians focus on clear explanations and efficient work.

Comfort Zone Heating & Air Conditioning business photo 1 - HVAC in Boulder
Comfort Zone Heating & Air Conditioning business photo 2 - HVAC in Boulder
Comfort Zone Heating & Air Conditioning business photo 3 - HVAC in Boulder
Comfort Zone Heating & Air Conditioning business photo 4 - HVAC in Boulder
Show all photos
Why Homeowners Choose This Business

Scheduling is typically prompt, and technicians walk customers through findings and costs before work begins. Installations are described as efficient and tidy, with systems set up to run quietly and reliably. Office staff is noted for courteous communication and quick response Local experience that helps homeowners across Boulder, Colorado compare a more region-aware provider.

Service Area

Headquartered on 28th St. in Boulder, Colorado, serving the city and nearby communities across Boulder County.

Featured Local Business

This featured listing includes fuller business details and a stronger local presentation for homeowners comparing nearby options.

Featured
Featured on ProsGrade
Listing details

This listing includes service information, customer review signals, a photo gallery, and public contact details to help homeowners compare this business more easily.

Featured listings may appear with fuller business details and stronger local presentation.

  • Verified listing details
  • Service information
  • Customer review signals
  • Photo gallery
  • Public contact information
  • Published local profile

How This Business Compares

A quick local comparison based on review strength, business detail, and local service fit.
  • Holds a strong position among local competitors.
  • Performs at or above the local average rating.
  • Shows strong customer satisfaction signals based on review quality and volume.

Services Covered

  Renovation Services
  Furnace Repair
  AC Repair
  HVAC installation
  Maintenance
  Heating Maintenance
  Installations
  Air conditioning replacement
  Repairs
  HVAC Diagnostics
  Central air installation
  Heater Repair
  Thermostat Replacement
  Seasonal HVAC Tune-Up
  Ducted System Service
  Home HVAC services

Heating and cooling system diagnostics, furnace and AC repair, new equipment installation and replacement, seasonal tune-ups and inspections, and recommendations for efficiency and comfort.

Reviews

Customer Reviews

Duane Mcbride
I can’t say enough good things about our experience with Comfort Zone Heating & Air Conditioning. We had a new furnace and central air system installed, and it was the first time we added whole-home cooling after many years in our home. Fro…
View full reviewShow less
I can’t say enough good things about our experience with Comfort Zone Heating & Air Conditioning. We had a new furnace and central air system installed, and it was the first time we added whole-home cooling after many years in our home. From the first estimate with Justin to the final furnace installation, everything went smoothly. The crew was respectful, efficient, and clearly knew their HVAC work. They explained the equipment, answered our questions, and made sure the new furnace and AC system were running properly before they left. We are extremely happy with the comfort in our home, and the price was very competitive. I would highly recommend them for furnace repair, furnace installation, and all heating and air conditioning services in Boulder.
Mya24 S
When i called to ask about ac repair and seasonal hvac maintenance, i was really impressed with the office manager, who gave clear detailed information and was friendly, polite, and professional. It was easy to set up an appointment within…
View full reviewShow less
When i called to ask about ac repair and seasonal hvac maintenance, i was really impressed with the office manager, who gave clear detailed information and was friendly, polite, and professional. It was easy to set up an appointment within a week, which was very helpful during changing Colorado weather when a reliable cooling system matters. Craig was the technician who arrived, and he did an excellent job. he explained the ac service process in a simple way before starting, which made me feel comfortable and confident. He was knowledgeable, respectful, and professional the whole time. The maintenance visit felt more complete than other hvac service calls i have had before. He checked the system carefully, reviewed thermostat operation, changed the thermostat batteries, and made sure everything was running efficiently and safely. I really appreciated the thorough ac maintenance and the attention to detail. The whole experience was smooth, helpful, and positive, and i would gladly use this company again for future ac repair and cooling service. I would highly recommend them to friends and neighbors looking for dependable hvac service.
Yvonne Herring
i confidently recommend them for heater repair and related hvac service in Boulder. We ve used them for several heating jobs, and each time the results and cost were very good. They have been reliable, polite, and efficient. They always ans…
View full reviewShow less
i confidently recommend them for heater repair and related hvac service in Boulder. We ve used them for several heating jobs, and each time the results and cost were very good. They have been reliable, polite, and efficient. They always answer the phone quickly, are happy to work around my schedule, and make the whole process easy. Everyone we ve dealt with has been professional and ready to explain the repair work and answer questions. Each technician completed the job in a timely way without delays. If your furnace or heating system needs service, they are a great team to call. They helped with furnace service, thermostat installation on an older furnace, gas shut-off valve work, dryer vent duct installation, and even related home service tasks. jeffery was helpful, duane was professional, tristan was efficient, and i appreciated the clear communication and solid workmanship.
B I Mann
I can’t say enough good things about the heater repair service. Craig’s troubleshooting skills and hands-on experience saved us a huge amount of money. We will definitely call them first any time we need heater, furnace, HVAC, or plumbing s…
View full reviewShow less
I can’t say enough good things about the heater repair service. Craig’s troubleshooting skills and hands-on experience saved us a huge amount of money. We will definitely call them first any time we need heater, furnace, HVAC, or plumbing service in Boulder. We have a two-story home with separate heating systems for upstairs and downstairs, and recently one stopped working completely. Another company looked at it and pushed for replacing both systems at a very high price. We decided to get a few second opinions, and this team stood out right away. Craig came out the same day we called. He was very thorough and spent a lot of time checking both heating units, walking us through the diagnostic process step by step. After careful testing and ruling things out, he found a few bad electrical parts that were causing the heater problem. A technician quickly returned to replace the faulty components, and soon both systems were back up and running properly. They also completed a detailed cleaning of the units, including the indoor and outdoor components and ductwork, which helped improve overall system performance. The final cost was only a small fraction of what we were first quoted for full system replacement. We really appreciated the honest heater repair advice, fast service, and clear communication throughout the whole process.
Erica Morse
We had a choice when it came to picking an AC repair and HVAC company for a new system install in our home, and it turned out to be the right one. From the first meeting with Ruben, the whole estimate and equipment selection process was eas…
View full reviewShow less
We had a choice when it came to picking an AC repair and HVAC company for a new system install in our home, and it turned out to be the right one. From the first meeting with Ruben, the whole estimate and equipment selection process was easy, clear, and stress free. The installation crew showed up quickly, worked efficiently, and had our first floor AC unit installed in just a few hours. Right away it was cooling perfectly, running quietly, and pushing strong, steady cold air through the house. After the installation, we had a few condensate drain line backups, and the system shut down like it should to protect the equipment. Each time, one call was all it took and a service technician was sent out fast. They got our AC back up and running very quickly. Paul especially went above and beyond during one service visit. He carefully worked through the attic, traced the condensate line a long distance, found the blockage, made several PVC drain line adjustments, cleared everything out, and restored proper water flow. He spent a lot of time making sure the repair was done right and stayed professional the entire time. In Boulder, dependable AC service matters during the warmer months, and this team really delivered. They stand behind their HVAC installation and AC repair work, respond quickly, and make sure the system is cooling the home the way it should. We are very happy with the service and would gladly keep using them for future AC maintenance and repair needs.

Write a Review

Share your experience with this business. Reviews are moderated before they appear publicly.

Frequently Asked Questions

They handle heating and cooling system repairs, replacements, and seasonal maintenance. Work commonly includes furnaces, central air systems, and diagnostic service calls.

Reviewers report that appointments are typically scheduled promptly, often within a reasonable window. Availability can vary by season, so calling ahead is recommended.

Customers note that estimates and options are explained clearly before any repair or installation begins. This helps set expectations on scope, timing, and cost.

Yes, reviewers describe full system replacements and new installations completed efficiently. Crews typically explain equipment choices and set up systems to run quietly and reliably.

Seasonal tune-ups and inspections are mentioned in customer feedback. Regular maintenance can help improve performance and reduce the likelihood of breakdowns.
 Verified Listing

Opening Hours

  • Monday Open 24 hours
  • Tuesday Open 24 hours
  • Wednesday Open 24 hours
  • Thursday Open 24 hours
  • Friday Open 24 hours
  • Saturday Open 24 hours
  • Sunday Open 24 hours

Request Service

Business Details

Business Rating
4.90 (104 reviews) Featured BusinessPro Listing
Address
2833 28th St, Boulder, CO 80301
Business Type
HVAC Contractor
Website
https://comfortzoneheatingairconditioning.com/
City Page
HVAC Companies in Boulder, Colorado

Looking for more hvac companies in Boulder?

Compare local businesses, customer reviews, and featured providers across Boulder.

Browse Boulder HVAC Companies

Location Map