Northern Air Systems Inc & Galiger Olsen

Located in the heart of Lake County, Northern Air Systems has been providing top-notch heating and cooling services to residential, light commercial, and industrial clients throughout Chicagoland since 1984. Our team of experienced professionals takes pride in delivering exceptional service, ensuring customer satisfaction, and providing innovative solutions to meet our clients' unique needs.

Our Services

At Northern Air Systems, we specialize in the installation, maintenance, and repair of residential and commercial HVAC systems. We offer a wide range of services, including furnace and A/C repair, annual maintenance and cleanings, replacement of furnaces and A/C systems, programmable thermostats and controls, humidifiers and dehumidifiers, electronic and media air filters, HEPA filters and UV light systems, fresh air exchangers and recovery ventilators, cast iron boilers, modulating condensing high-efficiency boilers, and radiator and in-floor heating systems. We also provide services for snow and ice melting systems, bath, dryer, and rangehood ventilation, and garage heaters.

Commercial Services

Our commercial clients rely on us to provide customized solutions for their unique needs. We offer design-build and installation services for new systems, as well as replacement of existing systems. Our experienced technicians can service and maintain all types of commercial HVAC equipment, and our sheet metal shop allows us to fabricate custom ductwork and fittings for proper installation. We also provide installation and maintenance services for packaged rooftop equipment, warehouse/unite heaters, make-up air systems, machine and equipment ventilation, and computer room cooling systems.

Why Choose Us

At Northern Air Systems, we are dedicated to providing exceptional service and ensuring customer satisfaction. We have a team of factory-trained service technicians, and we use only the finest products and equipment from leading manufacturers. Our team members are committed to providing expert advice and guidance to help our clients make informed decisions about their HVAC solutions.

With over 35 years of experience, we have established a reputation for reliability, professionalism, and customer satisfaction. We offer 24/7 emergency service, ensuring that our clients receive prompt attention and resolution to any issues that may arise.

Our Team

Our team of experts is committed to delivering exceptional service and ensuring customer satisfaction. We pride ourselves on our knowledge of HVAC systems and our ability to provide customize solutions to meet our clients' unique needs.