*The Angi rating for Heating And Air Conditioning Service companies in Johnstown, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Johnstown, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
Last update on June 25, 2025
Serving Johnstown, CO and surrounding areas
Approved
In business since 2011
Emergency services offered
Customers say: Super punctual
"Dayne got a fairly old swamp cooler up and running and working great. The anxiety over the price was put to rest when given the bill, it was a relief in how reasonable the price was."
Serving Johnstown, CO and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1978
Free estimates
Emergency services offered
"Brian, the HVAC technician was professional, friendly and extremely knowledgeable, he provided a full estimate before starting the work and then performed the repair immediately. We were back up and running in minutes. Well Done 1 hr team."
Serving Johnstown, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Emergency services offered
"Professional, efficient, and very high quality work. Heart has performed multiple major projects for us (replacing furnace, water heater, humidifier, and now AC system) and I would absolutely recommend them for any similar work."
+24
Serving Johnstown, CO and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
"We had two AC units and a new furnace installed they were prompt, efficient, very respectful and great customer service! Dean was an absolute pleasure to work with, they have earned my business for life on any HvAC services I might need! Highly recommend"
+3
Serving Johnstown, CO and surrounding areas
Approved
In business since 2008
Emergency services offered
Warranties offered
"Kitchen remodel electric. Trevor Lance knocked it out of the park."
+38
Serving Johnstown, CO and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"Best HVAC team in town! Great communication, fair prices, and easy to work with and on time. Used them to fix a boiler issue before sub zero temps rolled in."
+35
Serving Johnstown, CO and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"Our AC went out and we needed to get it fixed ASAP for a family reunion we were having at our house in the coming days. I submitted an Angi request and Tony was the first to call within minutes. He was very friendly and professional, and was able to schedule a same day appointment amidst the heat wave and countless others experiencing AC issues. Once he arrived he conducted a thorough diagnostic and determined what the problems were and proposed the fix. The costs were more than reasonable and he was able to complete the repairs in a timely manner and rescue us from the heat and another sleepless night! I would highly recommend Bertolini HVAC Services and they will be my go to for any future HVAC issues."
Serving Johnstown, CO and surrounding areas
Approved
In business since 2017
Free estimates
Small jobs welcome
"Provided excellent advice regarding the installation of an electric water heater. Personable, knowledgeable, and professional. Have hired them to perform regular maintenance on HVAC and water heater."
Serving Johnstown, CO and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
"Knowledgeable experienced professional service at reasonable cost. Great fast service."
+7
Serving Johnstown, CO and surrounding areas
Approved
In business since 1999
Free estimates
Emergency services offered
"These guys were great! Excellent service, friendly workers and professional all the way through. I truly believe that the fact that this company is veteran owned sets the standard for all employees. I would hire them for any of my plumbing or HVAC needs. If they did work but an issue arises after they complete the job, no problem. Theyâ ll be there that same day to fix it. They explained everything they were doing and answered all questions I had."
+1
Knowing how long your existing HVAC units can last is essential to determine if you need a repair or replacement. Typically, most modern air conditioning units can last between 15 to 20 years, and most furnaces can work properly for 15 to 30 years. If your HVAC system is on the older side and you decide to replace one unit, it might make sense to replace both simultaneously to save on costs and future hassle.
While different HVAC contractors might offer higher or lower prices than competitors, the best time to replace your HVAC system is when customer demand is low. The beginning of summer and the beginning of winter bring the most demand for HVAC systems, so if you can, consider replacing your HVAC units in the early spring or fall. Many HVAC companies offer special off-season coupons that help lower the overall cost.
The average cost to hire an HVAC contractor is between $50 and $150 per hour if charging hourly. However, some HVAC contractors will charge a flat fee by the type of service they are performing—for example, an inspection can cost between $150 to $500. Keep in mind that emergency repairs—which are made after business hours or around major holidays—generally cost more than scheduled repairs.
Yes, most states require HVAC technicians to be certified, and for good reason. Hiring an unlicensed HVAC technician could lead to poor quality work, costly future expenses, and potential code violations.
As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification which include:
The owner, principal, or relevant manager passed a criminal background check
Required to have applicable state and local licenses
Maintain an average star rating of 3.0 or better on our network, if they have at least one review
Paying to advertise their services
Meeting any other eligibility criteria required by Angi
Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.
The average cost of HVAC repairs is around $350. However, that price can be as low as $100 or as high as $2,000 or more, depending on the repair. For example, replacing a capacitor is a relatively inexpensive repair, ranging from $100 to $500. However, a compressor repair is a more expensive repair, ranging from $750 to $2,000.
From average costs to expert advice, get all the answers you need to get your job done.
Keep your home perfectly cool during the warm months. Learn about nine types of air conditioners and how to choose the right one for your home.
Choosing the right heating system can be overwhelming. Learn the differences between baseboard heating vs. forced air to decide which is right for your home.
A central air system is great for someone looking to cool and heat their home all year round. Even if your home uses baseboard heating, you can still make the switch. Read on to learn more about adding central air to a baseboard-heated house.
What is HVAC? Learn how your home’s heating, ventilation, and air conditioning system works to regulate your home’s temperature, humidity, and quality.
Is it time for a new cooling system for your home? Check out this guide to get a head-to-head comparison of heat pump vs. air conditioner systems.
When the weather gets warm, you might find yourself wondering what is central air and do I need it? Learn about your options to decide if it’s right for your home.
