HVAC reviews in Chicago, Illinois

David thoroughly assessed our home's cleaning and maintenance needs, communicated effectively, and answered all our questions. He was professional, reliable, and willing to help. We've worked with him multiple times for various services, including a recent furnace installation. His work is top-notch; we wholeheartedly endorse him.

Had a great experience with Cosmic. Since our HVAC system is relatively new, there's not much to fix. David visited to address a recall and was extremely friendly, diligent, and well-informed. He came back this year to make sure everything was in order for winter. We've already let him know he'll be our go-to guy going forward.

Excellent service from Cosmic HVAC inc. They handled the furnace flue/pipe replacement from roof to furnace, keeping me informed throughout the process. David provided a fair quote for repairs and a reasonable timeline. The work was done efficiently at a moderate price point. I'm very satisfied with the outcome and would highly recommend this company to others.

David was reliable and courteous, making him a trustworthy service provider.

Cosmic is a trustworthy and reliable HVAC company. When my AC suddenly stopped working during a sweltering week, David from Cosmic stepped in to help. Initially, he attempted to repair the system, but when that didn't work out, we decided to replace everything. He helped us choose the best equipment for our home, teaching me a lot about cooling and heating processes in the process.

David's expertise was impressive as he tackled complex issues with wiring the new system, fixing and troubleshooting problems. In addition, he added an AC unit to the lower level of my home that didn't previously exist. I'm glad I only had to work with him once – if I do need future maintenance or repairs, David will be my go-to person.

He's a pleasure to deal with, and his professionalism is top-notch. If you're looking for an honest and skilled HVAC company, look no further than Cosmic.

The owner, David, responded quickly to my AC issue, arriving on the same day. He was detailed, approachable, and took the time to walk me through what he was doing. He even provided me with a breakdown of the tests he ran.

It turned out I had two problems causing the AC to malfunction. He fixed one (replaced the thermostat), but I noticed it wasn't working properly the next day. I called David back, and he came right out again. This time, he identified another component that needed to be replaced for free, as he felt it was an oversight from his initial visit.

I appreciated David's transparency and professionalism, which stood out from other contractors I've dealt with. He didn't try to pressure me into a sale or use scare tactics. I'm glad I chose this company, and I'll definitely be hiring him again in the future.

I recently had the opportunity to work with a technician who left a lasting impression on me. After doing extensive research on new furnaces and AC units, I was looking for someone who could provide fair pricing and transparent service. This individual delivered on both fronts.

Their upfront pricing structure was clear and competitive, giving us confidence in our investment. What really stood out, however, was their commitment to integrity. In an industry where profit often takes precedence over customer needs, this technician demonstrated a refreshing honesty and authenticity.

When it came to selecting the right equipment for my home, they provided expert advice that took into consideration my specific requirements, rather than pushing unnecessary features. It was clear that their primary goal was to find solutions that met my needs, not just maximize profits.

Their approach to answering questions was also impressive - transparent, honest, and thorough. They didn't hesitate to address any concerns, providing clear explanations without beating around the bush.

The installation process itself was seamless, efficient, and of high quality. I would highly recommend this company for reliable, competitively priced HVAC services that prioritize customer satisfaction above all else.

David, a knowledgeable owner, provided me with an excellent price on a new cooling system after my old one was over 20 years old. He and his partner were courteous and completed the job in just one day. The system they installed is functioning superbly, making my home feel icy cold. I wholeheartedly endorse Cosmic HVAC for all your HVAC needs.

I was thoroughly impressed with my experience from the initial consultation to the completion of the job. David was courteous, on time, and provided clear explanations of what needed attention. He made a good impression, especially after having dealt with some shady referrals in the past.

Cosmic stood out as a reputable choice for my AC needs. The work performed by David and Mike was top-notch, both were extremely professional and efficient. The price was fair considering the quality of service received. I'm extremely satisfied with the outcome and will definitely be using Cosmic again for any future HVAC requirements.

I've hired David twice for HVAC work and he's always reliable, courteous, and gets the job done quickly. He's a solid choice if you're in the market for similar services.

David is a standout - honest, reliable, and genuinely puts your mind at ease with his service.

David was extremely friendly, knowledgeable, and transparent throughout our interaction. He explained everything clearly and answered all my questions thoroughly. They quickly diagnosed and resolved my issue, even when it required a full system overhaul - I've been problem-free ever since. I wholeheartedly endorse their services for any HVAC requirements.

I'm extremely satisfied with the level of service provided by Cosmic HVAC. After buying a new house, I needed assistance with dryer vent installation and reached out to them for help. David arrived promptly after scheduling a consultation within 48 hours and demonstrated his expertise in understanding my issue. The work was done efficiently, and he kept me updated on any progress, addressing my concerns along the way. The final result exceeded my expectations - I'm delighted with the outcome and would definitely recommend Cosmic HVAC without hesitation.

I recently had the pleasure of working with David from Cosmic HVAC, and I'm blown away by his top-notch service. He's the epitome of professionalism and excellence.

Punctuality is key to me, and David nailed it – he arrived on time for our scheduled appointment, showing respect for my time and setting a great tone for the whole experience.

David's communication skills are spot-on – he kept me in the loop every step of the way, explaining everything clearly and kindly. It made the entire HVAC service feel smooth and hassle-free.

What really stands out is Cosmic HVAC's commitment to fair pricing. Given the high-quality service I received, it was pleasantly surprising that the cost was competitive with the market. It's clear they prioritize providing value to their customers.

Overall, David's professionalism, timeliness, excellent communication, and fair pricing make Cosmic HVAC a standout for heating and cooling services. I highly recommend him and the entire team – thank you, David, for an exceptional experience!

I finally found a reliable HVAC expert in Chicago who doesn't disappoint. David diagnosed a stubborn furnace issue that left me frustrated with other companies, but he figured out what was wrong and got it up and running despite their claims of no fixable problem.

He was transparent about his approach, costs, and potential outcomes, which impressed me. I've found my go-to HVAC service provider - this company is the only one I'll trust for all my heating and cooling needs from now on.

Our experience with Cosmic HVAC was top-notch. They handled a replacement of our inducer motor efficiently. David arrived promptly and worked methodically to complete the job. He demonstrated excellent professionalism throughout the process. The communication was seamless, scheduling an appointment at our convenience. We highly recommend this company for any HVAC needs.

We were blown away by the exceptional service we received from David. His expertise and knowledge are top-notch, and he takes the time to clearly explain what needs to be done and why. We've never had to do more than necessary at any point. What really impressed us was his professionalism, courtesy, and genuine interest in doing a great job. Having checked out reviews on the BBB, we can confidently say he's the real deal - honest, reliable, and genuinely cares about his work. From now on, we'll be sticking with David; it's refreshing to meet someone who prioritizes quality over profits.

David showed up on schedule, got the job done efficiently, and explained everything clearly. He's a nice guy who knows his stuff - helped me sort out my gas valve and inducer motor problems quickly. His expertise was impressive and I appreciate his friendly demeanor. I'll definitely use him again for any future HVAC needs.

David was reliable to communicate with, showed up on time, and provided fair quotes. He's also very knowledgeable and takes the time to answer your questions patiently. If you're dealing with heating/cooling problems, I'd suggest looking into him at Cosmic HVAC - they seem like a solid choice.

David delivered top-notch service with speed. He quickly pinpointed the key issue and resolved it on the spot, thanks to his extensive 22-year tenure. This company's professionalism shines through in its clear communication, genuine courtesy, reliability, and straightforwardness - all traits that earned my trust and recommendation.

Highly recommend Cosmic for reliable, expert HVAC service at a fair price. Professional and efficient work from David, excellent overall experience.