HVAC reviews in Chicago, Illinois

Wish I'd reached out sooner with my unit's problems - Greg saved the day with extra effort. His dedication is top-notch, making Otter a must-call for any repair needs.

I've had nothing but positive experiences with this company. They consistently arrive on schedule, keep me informed throughout the process, and deliver high-quality results that have earned my confidence. I highly recommend them to anyone looking for reliable service.

Gregory showed up promptly and provided a thorough inspection of our AC and furnace units. He offered a reasonable price for that day's maintenance, and gave us an estimate for potential future work based on spring maintenance plans. Very friendly, especially with his dog in tow - I'm definitely booking them again for future needs!

Gregory answered my missed call and it's been a game-changer - he showed up later in the evening to diagnose our AC issues, which have plagued us for days. His remote troubleshooting was impressive, considering we weren't present. I'm thrilled with the service and grateful to have him on board.

I'm thrilled with how Otter handled my CO2 system issue. Gregory was thorough, explaining each step to ensure I made an informed choice. His installation was spotless and efficient, and he kept me in the loop throughout the process. Great service from start to finish - highly recommended.

I want to thank Greg from Otter Heating and Cooling for his excellent service. He inspected our wall-mounted AC units and took the time to show us how to use them properly, including cleaning tips. Despite having no prior knowledge of AC units, Greg made me feel confident in my ability to manage them effectively. His professionalism is greatly appreciated.

Excellent experience again with this company - pleased to keep them for all our heating needs.

Five Stars – Top-Notch Service

I've had the pleasure of working with Otter HVAC twice, and Gregory consistently outperforms expectations. His professionalism is evident in every visit – he always wears protective gear to maintain a clean home.

Gregory takes the time to thoroughly explain his work and provides thoughtful solutions. On my most recent service call, he made adjustments to extend the life of my AC unit, which proved particularly wise during uncertain tariff times.

What sets Gregory apart is his genuine concern for customers' well-being. He follows up on services and proactively shares valuable information, like thermostat rebates from my electric company that I wouldn't have discovered otherwise.

Otter HVAC embodies reliability, honesty, and quality workmanship. I wholeheartedly recommend them to anyone seeking trustworthy HVAC service.

Excellent work from Greg at Otter Heating and Cooling, who efficiently restored functionality to my three air conditioning units. Highly recommend Otter for reliable AC services.

Otter was highly responsive and efficient throughout the entire process. Their professionalism shone through from start to finish, ensuring a seamless installation of my air conditioner. The technician took the time to explain every step, providing clear clarity on what they were doing. I'll be reaching out to them again for any future needs.

Otter Heating & Cooling consistently delivers on their promise. Their techs are seasoned pros, showing up when they say they will and charging a fair price. As a broker, I trust them with my clients' needs and recommend them without hesitation - they're reliable, efficient, and offer solid maintenance services too.

Gregory arrived swiftly, swiftly identified the problem and resolved it promptly, fixing my heating issue efficiently.

Gregory arrived right on schedule, got to work quickly, and did the job efficiently. The price was fair considering the service call included adding refrigerant. For future HVAC maintenance, he's the one we'll be calling again this fall.

Jeff and Greg were top-notch. They got us on their schedule quickly. Greg was super thorough, went above and beyond, and cleaned out our unit without charging extra. He gave a detailed rundown of what he found and broke down the pros and cons of each option. The whole process took some time, especially the cleaning, but they didn't charge more for it. Greg's honest and methodical approach is exactly what we needed.

The technician arrived within an hour, despite being on their day off, and fixed the furnace in a timely manner, providing excellent service and reasonable prices.

Otter did an excellent job. Greg showed up, provided a detailed quote, explained the possibilities, fitted a new humidifier and furnace efficiently without making a mess, and was pleasant to interact with. I would definitely use them again.

Greg's team really stood out - he has extensive experience with multiple companies and was spot on with his knowledge. The price point was fair considering the quality, and what impressed me most was how they caught an issue I didn't even know existed and fixed it promptly.

Gregg did a fantastic job fixing our non-functional radiators - two of them now work perfectly after his visit. The rooms where they're located feel nice and warm again thanks to him. Highly recommended for reliable service and expertise.

Gregory is the best service provider we've had. He got our schedule done quickly and was super attentive during his consultation, asking important questions about our system and any issues we'd encountered. He fixed problems that another company had left for over three months in one visit - exactly like others described. His work is meticulous and spotless, including some impressive extras that went above and beyond. He also did a drain clean out without charging, which improved the system's performance and reduced noise. Gregory offered great advice on other issues too. He was professional, honest, friendly, and explained everything he did step-by-step - a 100% positive experience! We'd highly recommend him.

Gregory recently installed a new heat pump and furnace in my home, completing the job within two weeks of scheduling a consultation. The entire process was smooth and hassle-free, with easy-to-use scheduling tools at every step.

During the consultation, Gregory showed great interest in understanding my existing system's issues and needs. He offered suggestions based on his observations and followed up a few days later with a detailed quote that included various options within my budget range. His quote may not have been the cheapest, but it provided the best value for the money considering the features and efficiency I wanted.

Gregory's work was meticulous and left no stone unturned. He even performed additional tasks like drain cleanouts to make maintenance easier in the future. His advice on what features were worth extra investment and which could be left as-is proved invaluable. Most impressively, he resolved a stubborn airflow issue in my kitchen that required a separate AC unit before.

I'm glad I chose Otter after getting recommendations from neighbors on Facebook. When it's time for another system replacement, I won't hesitate to call them again.

Otter Heating and Cooling did a top-notch job for us after our move to Chicago. Scheduling was a breeze, they showed up on time, and the work was superb. Their maintenance care plan has streamlined things significantly - we're finally enjoying a reliably comfortable home. We'd definitely endorse them.