Business Details
42 Years
experience
Emergency
services
Your Trusted HVAC Partner in Chicagoland
Founded in 1984, Northern Air Systems has established itself as a trusted provider of heating, ventilation, and air conditioning solutions across Chicagoland. Our comprehensive services span residential, commercial, and industrial sectors, specializing in the installation and maintenance of forced air systems, boilers, humidifiers, and advanced indoor air quality equipment. With an on-site sheet metal shop, we fabricate custom ductwork and fittings to ensure precision in every installation. We partner with leading manufacturers like Trane, Heil, and Triangle Tube to deliver durable, energy-efficient systems.Our factory-trained technicians adhere to the highest industry standards, combining technical expertise with personalized service to meet each client's unique comfort needs. Whether upgrading an existing system or designing a new solution, we prioritize reliability, efficiency, and customer satisfaction. Our commitment to excellence extends to 24/7 emergency service, ensuring uninterrupted comfort for homes and businesses. Through decades of experience and continuous investment in training and technology, we maintain our reputation as a leader in HVAC innovation and service quality.
Services
Furnace Repair
AC Installation
Boiler Maintenance
Ductwork Fabrication
Indoor Air Quality
Commercial HVAC
Radiant Heating
Ventilation Systems
Thermostat Upgrades
Emergency Service
Details
- Year established: 1984
Highlights and features
- Factory-trained technicians certified by leading HVAC manufacturers
- On-site sheet metal fabrication for custom installation solutions
- 24/7 emergency service with rapid response times
- Specialized expertise in residential and commercial system upgrades
- Comprehensive maintenance programs extending equipment lifespan
Services
Furnace Repair
Our certified technicians provide comprehensive furnace repair for all makes and models. Using advanced diagnostic tools, we identify and resolve issues with ignition systems, heat exchangers, and control boards. Emergency repair services ensure rapid restoration of heating during critical cold weather periods.
AC Installation
We install high-efficiency air conditioning systems from trusted brands like Trane and Amana. Our process includes load calculations, ductwork optimization, and refrigerant management to maximize energy efficiency and indoor comfort for residential and commercial properties.
Boiler Maintenance
Preventive maintenance programs for cast iron and high-efficiency boilers include combustion analysis, pressure checks, and component inspections. Regular servicing extends equipment life while maintaining optimal heating performance for homes and businesses.
Ductwork Fabrication
Custom ductwork solutions are designed and manufactured in our on-site facility. We create specialized fittings and ventilation systems that meet exact specifications, ensuring proper airflow and system efficiency for new installations and renovations.
Indoor Air Quality
We offer HEPA filtration systems, UV light purification, and humidity control solutions. These technologies work together to remove contaminants, allergens, and pathogens, creating healthier indoor environments for homes and commercial spaces.
Questions
What HVAC services do you offer for residential customers?
We provide complete heating and cooling solutions including furnace and AC repair, boiler maintenance, ductwork fabrication, and indoor air quality systems for homes across Chicagoland.
Do you provide emergency HVAC service?
Yes, our 24/7 emergency service responds to critical heating and cooling failures with priority scheduling for urgent repairs.
What commercial HVAC solutions are available?
We service commercial equipment including rooftop units, warehouse heaters, restaurant ventilation systems, and computer room cooling with customized maintenance programs.
Do you offer financing options for HVAC installations?
Yes, we provide flexible financing solutions to help customers upgrade their heating and cooling systems with manageable payment plans.
What makes your ductwork fabrication different?
Our in-house sheet metal shop creates custom duct solutions that ensure proper airflow and system efficiency, unlike standard pre-fabricated options.
Which HVAC brands do you work with?
We service and install equipment from Trane, Heil, Amana, Triangle Tube, Lochinvar, and other leading manufacturers for reliable, high-quality systems.
