Expert HVAC Services in Naperville, IL by American Mechanical Systems

Nestled in the vibrant city of Naperville, IL, known for its picturesque Riverwalk and thriving businesses, American Mechanical Systems takes pride in serving the local community with unparalleled mechanical services. Our dedication to excellence and efficiency ensures that both residential and commercial properties in Naperville enjoy optimal comfort and functionality year-round. We are committed to delivering exceptional service, tailored to the unique needs of Naperville’s residents and businesses.

Comprehensive Mechanical Services in Naperville

At American Mechanical Systems, we offer a wide range of top-tier mechanical services designed to address the unique needs of every customer. Our expert team is well-equipped with the latest tools and knowledge to provide solutions that are not only effective but also energy-efficient and cost-effective.

Residential AC Installation and Repair: We provide comprehensive air conditioning solutions, ensuring your home remains comfortable during the hot summers in Naperville. Our team specializes in efficient installation, timely repair, and regular maintenance of residential AC units.
Residential Heating Installation and Repair: Keep your home warm and cozy during the chilly winters of Naperville with our expert heating services. From installation to repair and maintenance, we ensure your heating systems are operating smoothly and efficiently.
Commercial AC Installation and Repair: Our professionals understand the unique demands of commercial air conditioning systems. We offer tailored solutions for businesses in Naperville, focusing on reliability, energy efficiency, and minimal disruption to your operations.
Commercial Heating Installation and Repair: We specialize in providing robust heating solutions for commercial properties. Whether it’s installation, repair, or maintenance, our services ensure your business remains warm and welcoming, regardless of the outside temperature.
Commercial Refrigeration Installation and Repair: Essential for businesses that rely on refrigeration, our services ensure your systems are installed correctly and maintained to prevent unexpected downtime, preserving the integrity of your perishable goods.
Indoor Air Quality: Our indoor air quality services are designed to ensure the air in your Naperville home or business is clean, fresh, and free of pollutants, enhancing the comfort and health of occupants.

Get in Touch with Us Today

Ready to experience the best in mechanical services in Naperville, IL? Contact American Mechanical Systems today at (630) 930-7745 or fill out our convenient online form. Whether it’s a new installation, urgent repairs, or regular maintenance, our team is here to provide you with efficient, reliable solutions tailored to your specific needs. Don’t wait—reach out to us now and take the first step towards a more comfortable and efficient home or business.

American Mechanical Systems January 13th, 2026

New installation of Armstrong Air Counterflow two stage high efficiency Furnace.
American Mechanical Systems December 21st, 2025

We were contacted by a customer who needed help with temperature regulation in their garage space. Using the top-notch Mitsubishi MUZ-GX24NLHZ R454B ODU,H2I,24KBTU,HTR and a MSZ-GX24NL R454B IDU,WALL MOUNT,24KBTU, we expertly installed a mini-split hyperheat system for them. This included an outdoor condenser capable of outstanding performance at up to -13 degrees. With these installations, our client can now enjoy a comfortable and consistent indoor climate irrespective of the weather outside. We're glad we could help!
American Mechanical Systems December 21st, 2025

Inducer motor assembly, pressure switch, filter, and igniter replaced with a maintenance on one Roof Top Unit. 2nd RTU needed maintenance and filter replacement. Both RTUs working with normal system operation.
American Mechanical Systems November 12th, 2025

OUR CUSTOMER ASKED US TO REPLACE THEIR 80% efficient ground standing boiler with a lochinvar noble fire tube wall mount combo boiler with 95% efficiency..
This state of the art unit came with:
- SMART CONTROL Enhanced Operating System
- 95% AFUE Efficiency
- Industry-Leading DHW Delivery Up to 4.8 GPM
- True Instantaneous Response
- Easy Installation and Serviceability
- User-Friendly Interface
We were asked to move the boiler out of the way to another room so they could have more room in the basement and took on the project with pride and confidence. our customer was extremely happy with outcome and functionality of the boiker installation, as they now have on demand domestic hot water as well as heat confined to a small corner of their basement.
American Mechanical Systems October 24th, 2025

Two Armstrong Air furnace replacement installs. Both 80% converted to 97% 2 stage. With 16seer ac.on one and a 20 seer with modulating compressor. Our valued customer was extremely happy regulating her 2nd floor uneven temp. We installed a comfort sync zone system giving her three zones to control as one is above the garage and extremely cold in winter compared to rest of the 2nd floor. She was happy with the ease of use from her phone and monitoring capabilities.
Sarah Emmanuel September 5th, 2025

Our valued customer reached out to us for the replacement of their Rooftop Heating and Air Conditioning units.
We knew instantly that our Lennox High Efficient 16 IEER rating units would be the best solution for their
concerns. These top-quality products provide not just an efficient heating and cooling environment but are also
economically viable. Now, the customer can enjoy a comfortable and well-regulated indoor climate, all while
saving on energy costs. Also our customer received a ComEd rebate and was extremely happy with the
discounted price!. Thank you for entrusting this task to us. We appreciate your confidence in our services and
products.
American Mechanical Systems September 1st, 2025
We were contacted by our customer experiencing issues with their cooling system, impacting their comfort levels at home in the warmer season. To provide them with a reliable, long lasting solution that aligned with their needs, we installed an Armstrong Air air conditioner—the perfect balance of performance and efficiency. This product brings a better, more balanced cooling environment to their space, promising a consistent and comfortable airflow. The customer was pleased with our fast and professional service, now able to stay cool and comfortable through the warmer months ahead.
American Mechanical Systems September 1st, 2025
We were contacted by our customer in need of a comprehensive heating and cooling solution. They were seeking to enhance the climate control efficiency in their home. By employing an Armstrong Air product, we were able to effectively address their needs. The solution we provided was the installation of a new air conditioner and furnace, liberating them from inconsistent heating and cooling problems. They now enjoy a consistent, perfect temperature in their home, regardless of the season. The Armstrong Air product was an optimal choice due to its superior performance and reliability.
American Mechanical Systems September 1st, 2025

We responded to a request from our customer who was experiencing trouble with their old, inefficient furnace. Concerned about the winter and the impact on their comfort and energy bills, they reached out to us for help. Armed with our powerful and reliable back-up, Armstrong Air Furnaces, we stepped in and provided the best solution. The Armstrong Air Furnace we installed not only ensures a warm and cozy environment for the customer but will also bring down their energy costs significantly. We're gratified to have solved their heating woes and appreciate their trust in our service.
American Mechanical Systems August 29th, 2025
We were contacted by our customer eager to upgrade their HVAC system to be more energy-efficient and powerful. They trusted us to provide the highest quality products and services for this task. To fulfill their needs, we installed a new furnace and air conditioner, both by DUCANE, a brand known for its exceptional performance and durability. We're pleased to have been able to assist, and our customer can now enjoy a comfortable and sustainable living environment in every season. We remain at their disposal for any further HVAC needs.