Testimonials
Since 1948, Alan Energy Services has built a reputation throughout Chicagoland based on trust, expertise, and exceptional customer care. Our testimonials reflect the experiences of homeowners across Naperville, Elmhurst, and surrounding communities who have come to rely on our NATE-certified technicians for their heating and cooling needs. As you browse through these stories, you’ll notice recurring themes of professionalism, reliability, and the peace of mind that comes from working with a local, family-oriented business with deep roots in our community.
Testimonials
1,750+ Reviews & 4.9 out of 5 Rating
- NATE-Certified Excellence
- Carrier® Factory-Authorized
- Complete HVAC Solutions
- Your Trusted Local Experts
Big Company Resources, Neighborhood Business Heart
Our customers consistently highlight the Energy Services Air Conditioning and Heating Company difference—the perfect balance of a larger company’s resources with the personalized attention of a neighborhood business. From emergency repairs during extreme weather to thoughtfully designed systems for new construction, the testimonials on this page showcase our team’s commitment to education, transparency, and exceeding expectations. We’re proud to share these real experiences from families who have invited us into their homes and businesses, and we look forward to adding your success story to our legacy of excellence that spans over seven decades.
“As always, we are entirely pleased with your company and everything we have had you work on in the last many years. We have often recommended you to others. (Serviced home since 1988.)”
– Loyal Customer – Elmhurst
“I was so impressed with the level of professionalism. They were knowledgeable, courteous, and polite and I have no doubt in using and recommending Alan Heating Air Conditioning in the future.”
– Satisfied Customer – Elmhurst
“Very pleased with the whole process, starting from initial quotation to courteous employees during installation. Great sheet metal work! Good cleanup.”
– New Customer – La Grange Park
“Your employees were very professional and courteous. The workmanship was excellent. I have passed your name onto other homeowners. Bill did a great job explaining the system. Thanks!”
– Recommended Customer – Glen Ellyn
“We couldn’t ask for any better workers than the ones who installed our unit. They were really efficient, courteous, cleaned up the site really well, and both answered my stupid questions without hesitation. The vibration noise we experienced is now gone, thanks to the opening made. We plan to use your services in the future. Thank you Michael MacNider for your initial visit – it made us well informed. You are a great salesman.”
– Impressed Customer – Westchester
