We are a trusted and highly regarded residential and commercial service provider specializing in heating, cooling, and domestic hot water services. We are proud to serve Chicagoland with complex, high-end systems and pride ourselves on having the ability to correct problems when other companies are unable to.
What Can You Expect From Us?
The Paragon Difference
It is our team that separates us from other similar companies. We count on each other everyday to be the best at what we do. We challenge each other to deliver a great result. The difference is our TEAM!
Our Mission Statement
To build a thriving business by providing superior mechanical services. Superior in service by fixing the problem correctly the first time, and superior in installation by installing equipment correctly, with our customer’s best interest in mind.
We Know What You Value Most
Professional on every call from start to finish. Prompt and reliable service, every time. Our technicians are experts, not sales people. We stand behind all of our work, 100%
Our Guarantee Speaks for Itself
If you are not satisfied with our work and we cannot deliver what was promised, we will refund 100% of your investment. We want to earn your business from start to finish and we expect to exceed your expectations. Read our full Guarantee to You.

Installation & Replacement
Air Conditioning Installation
Boiler Installation
Furnace Installation
HVAC Installation
Heating System Installation
Humidifier Installation
Refrigeration Installation
Thermostat Installation
Ventilation Installation
Water Heater Installation

Service & Repair
Air Conditioning Repair
Boiler Repair
Furnace Repair
HVAC Repair
Heat Pump Repair
Mini-Split Repair
Refrigeration Repair
Thermostat Repair
Ventilation Repair
Water Heater Repair

General Maintenance
Air Conditioning Maintenance
Boiler Maintenance
Furnace Cleaning
Furnace Maintenance
Heat Pump Maintenance
Heating System Maintenance
Humidifier Maintenance
Indoor Air Quality Testing
Refrigeration Maintenance
Water Heater Maintenance