HVAC reviews in Denver, Colorado

Full Spectrum HVAC Service is definitely the best choice for furnace repair and heating services. Calvin responded quickly and really knows his stuff. He explained what needed to be fixed on my furnace so I understood everything, and made sure I was comfortable with the whole process. The team worked fast and did a great job getting my heat working again, which is important with how cold it gets here. Wyatt was very friendly and didn’t mind working around my busy house. I’m so grateful for the new thermostat and the warm air—everything works perfectly now!

I can’t recommend this AC repair team enough! We’ve used them for work on two different homes. Calvin came out fast, gave us a quote right away, and even talked us through financing options. The installation was quick and professional. The first time, it was just a simple AC replacement, but the second home needed all new ductwork, extra vents, a new air return, and more insulation in the attic. Both times, their response was incredibly fast—on one occasion, I called in the morning, Calvin assessed everything that same day, gave us a quote, and the crew had our new system up and running the very next day. It was over 100 degrees outside when we needed the second AC replaced, and their quick service really made a difference in keeping our home cool during the Colorado heat. They always gave us a quote and finished the job before other companies even got back to us. Plus, their prices were lower than the other estimates each time! I highly recommend this company for any AC repair or replacement needs. I’ll definitely be reaching out again when it’s time for the next project!

I recently needed heater repair and maintenance, and Full Spectrum HVAC Service really came through for me. I noticed my heater wasn’t working properly, so I called for help. Wyatt arrived quickly and found the problem with a faulty valve. He offered to do a temporary fix since it was late in the day, which was helpful and saved me money. The next morning, Calvin showed up on time and explained the repair process clearly, even letting me know he would need to open up a small part of the wall. He kept me updated the whole time and made sure everything was neat and tidy when he finished. The new parts he installed work perfectly, and you can’t even tell any work was done on the wall. A few days later, when the weather got chilly again, I realized my heating system still wasn’t keeping up. I called again, and Robert came out the same day to check it out. He found that there was a problem with the heating element and gave me my options. Since my system was pretty old, he walked me through the benefits of replacing it. I got a new, energy-efficient heater installed the next day, and now the house stays warm even when it gets really cold outside. The new thermostat is easy to use, and the tech explained how everything works. They also offered payment options, which made things easier for me. I highly recommend this company for anyone needing heater repairs or new installations. The team is fast, friendly, and professional.

I had a great experience getting my heater fixed in Denver. Calvin responded quickly when I asked for a quote and came out right away to take a look at my heating system. He really knew what he was talking about and took the time to listen to my concerns, then offered a couple of good repair options for me to consider. The estimate was fair, and I liked that all the choices were clearly explained so I could decide what I wanted. Once I agreed to the repair, the team scheduled the work for the next week. Wyatt, the technician who handled the job, was very efficient—he removed the old heater and installed the new one in just a few hours. Now I have a reliable, energy-efficient heater, which gives me peace of mind during those cold Denver winters and should help lower my energy bills too. If you need heater repair or replacement in Denver, I highly recommend giving them a call.

Full Spectrum HVAC Service did a fantastic job installing our new furnace and water heater. We recently had them return to check on our heater’s airflow, as we wanted to make sure every room was staying comfortable. Wyatt came out quickly after we called and took his time carefully inspecting each area and checking the system from the attic down. He made sure the heat was balanced perfectly in every room and didn’t leave until everything was just right. We are really impressed with the quality of service and the attention to detail. We’ll definitely call them again for any heater repair needs and highly recommend them to anyone in Denver.

We needed a pressure regulator valve replacement after calling several other companies. Absolute came in at half the cost of the first quote and 1/3 of the cost of the second quote, and upgraded our shut off valves as well. Gabe did a great job, was in and out in about an hour. Great price, job well done!

Ari Gugino was awesome. He showed up first thing, and was very kind. Ari explained things nicely, and was very knowledgeable. I appreciated him taking the time to show me things, and give options for the future. All around good guy. Thank you

Michael Frye was so helpful and made the process easy! They showed up quickly and were able to address our problem and have it fixed in a timely manner. We will be happy to use Absolute and Michael again!

Initially, Matt came out and helped with the decision to purchase a new heater. Ivan and Devon came out the next day and the install was extremely difficult as I have a small crawl space. They both were dedicated and extremely diligent during the install! I then had Alex come out and he was extremely helpful in identifying some plumbing issues during a routine inspection. And finally, Keith was the electrician that did some electrical work for me. Every single one of these individuals absolutely deserve 5 stars!!! Thanks to all of you for assisting me in a very difficult time!

Always a great experience with Absolute to get work done on our house. Randy was amazing with fixing our plumbing-quick but thorough, and great at explaining the work. Plus he was super sweet to my dog who wanted to checkout every tool he brought in 🤗

My wife and I have been needing to reduce ESD in our low-humidity house by getting a humidifier and we needed a lot of furnace work and other things done. We have some of the hardest water you can find here in Aurora, some of our brand new faucets of only five months have lime scale deposits due to the mineral buildup. Absolute has an incredible package where you can pay an annual amount (which cost less than a furnace cleaning quoted by another company) and they will come out and do free checks on your electrical and plumbing and such, and it including the cleaning anyway. It also includes discounts on any other maintenance items you may need. We decided to do a pretty big package and have them install a self maintaining water filter system and a no maintenance water softener. We also had a steam humidifier installed and they fixed our furnace basically for free because they were doing this other work.

After an amazing experience with both finance and the multiple sections of electrical, plumbing, and HVAC, they also sent us a thank you package that we were totally not expecting in the mail! I have never had a company do this before and felt it was urgent that we leave a good review because it was such a heartwarming gift, after an already completed business transaction! Highly recommend and with this many positive reviews it’s apparent they are a quality company.

Daniel C. was phenomenal! Very impressed with his knowledge and willingness to take the time to explain the work he was doing so I could understand. He was honest, sincere and punctual. Would highly recommend and will definitely use Absolute (and Daniel) for any future work I need. Do not hesitate to give them a call.

Ari was polite, helpful, knowledgeable and detailed regarding our repair request. Although the HVAC did not need repair, Ari did take additional steps to make sure our HVAC did not have any remaining issues. We will continue to use Absolute for future care and repairs at our home.

I’ve used this company for three major projects now (plumbing and electrical) and have been so happy with the work performed. I always feel prioritized and the staff are professional, knowledgeable, understanding. I could not recommend this company more!! Special shout out Beau, Rubin, and Jacob for their excellent customer service and solid work!

We needed a ground wire replace on a light fixture. I found Absolute on google and decided to reach out. They were able to get a technician out that day. Communication was top notch. I was sent a picture and a little bio of the technician that was being sent out. I thought this was awesome for security purposes. Austin showed up and was so friendly and knowledgeable. We ended up scheduling a ceiling light/fan to be installed as well as the light fixture being fixed. Austin and James came to install and were so nice and efficient! They got everything done so quickly. My son and dog loved them both too! We will definitely be using Absolute for future electrical & plumbing in the future!

Gabriel is very nice, knowledgeable and easy to work with. He explains his process and thinking and doesn’t try to sell you on anything; just endorses the products he believes in and uses in his own home. Will definitely work with him again, highly recommend!

Service was 5 star! I’ve saved Absolute’s and Matt’s info in my contacts. Matt was the best and will be our go to guy: courteous, respectful, knowledgeable, neat, went above and beyond, and honest! Service people like Matt are truly hard to find. We had an HVAC issue where the exhaust pipe was obstructed by a wasp nest resulting in the furnace not firing up. Not only did Matt scope the pipe to show me the obstruction and clear it out, he also updated the pipe so that we could clear it out ourselves if the problem happens again. I will now always call Absolute first for service and will specifically request Matt!

As a first-time customer, my experience with Absolute was outstanding from start to finish. Jennifer from the Call Center made scheduling easy and stress-free, and Matt, the technician, provided exceptional furnace maintenance. He was extremely knowledgeable, detail-oriented, and performed a thorough inspection and tune-up. Highly recommend!

We had a plumbing inspection that was very thorough and informative. Connor was very knowledgeable and helped us judge what we should be concerned about versus what we can delay replacing. Very thankful for his help and guidance without pushing hard to replace to quickly.

Xaviera was fantastic. Helped me with all my needs and was very detailed in her explanation of what needed to get done. I highly recommend this company especially based off customer service.

The first appointment I had with this company was fine. My technician was very knowledgeable and kind. He didn’t have all the parts he needed in his work truck so he had to leave and come back several times, partly because when he did leave, he brought back the wrong parts. My bigger issue is scheduling. At the end of my service, we purchased the home Maintenance plan, in full, which includes services to the furnace and air conditioner. Naturally, I wanted to get scheduled, so I responded to the email they sent out and the scheduling person just assigned me a date and time, without first asking my availability or telling me what some of the opening were. I had to reschedule, which was several weeks out, she said they were busy. Ok, that’s fine because that’s what worked best for my schedule. Ultimately though, it didn’t matter AT ALL because, when I get my confirmation for the appointment they changed the time. I called to see what happened, and the woman said I don’t know what happened. I can see it was originally scheduled for the morning but we can’t honor that time because we’re already too busy, but we can reschedule for a different time if that would be helpful. I declined because we are literally unavailable until mid-december. I’ve already been using the furnace a fair bit. I want it serviced, I’ve already prepaid for the service, I scheduled at the beginning of October, it’s now the end of the month and this is what they do. Proceed with caution with this company. I’m wishing I didn’t purchase the home maintenance package at all.