Top-Rated HVAC Services in Chicago

Your Comfort, Our Priority.

NSB Service Tech serving your Heating & Air Conditioning needs in Chicago, IL

Your Trusted Chicago HVAC Partner

At NSB Service Tech, we are dedicated to serving the Chicago community with professional and reliable HVAC services. Our experienced technicians are trained to handle all your heating, cooling, and air quality needs with precision and care. We are committed to ensuring your home or business remains comfortable and energy-efficient, no matter the season. Our customer-first approach guarantees transparent pricing and honest, quality work on every job.

Expert Technicians

Our team is comprised of highly trained and certified HVAC professionals who stay up-to-date with the latest industry standards and technology.

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24/7 Emergency Service

We understand that HVAC issues don't follow a schedule. That's why we offer prompt, reliable emergency services to restore your comfort day or night.

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Quality Workmanship

We use only the highest quality parts and equipment, ensuring every installation and repair is built to last, providing you with long-term peace of mind.

Comprehensive HVAC Solutions

Our full-suite of HVAC services is designed to meet the diverse needs of Chicago homeowners and businesses. From routine maintenance to complex system installations, we have the expertise to get the job done right.

Open furnace with blue flames in burners; blower fan and gas valve visible.

Heating Services

  • Furnace Installation & Replacement
  • Furnace Repair & Maintenance
  • Boiler Services
Air conditioning unit on a flat rooftop; residential neighborhood in the background.

Cooling Services

  • Air Conditioning Installation
  • AC Repair & Maintenance
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Indoor Air Quality

  • Air Purification Systems
  • Humidifiers & Dehumidifiers
  • Ventilation Services
Black and white photo of a building rooftop with HVAC units, vents, and various equipment.

Commercial HVAC

  • commercial HVAC Installation & Repair
  • Routine Maintenance Agreements
  • Rooftop Unit Services
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Hear From Our Satisfied Clients

We believe in honest, quality service. While we are a new business, we are confident that our commitment to customer satisfaction will shine through in every job we complete.

Proudly Serving the Chicago Area

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  • Oak Lawn, IL
  • Blue Island, IL
  • Dolton, IL
  • Calumet City, IL
  • Homewood, IL
  • Oak Forest, IL
  • Orland Park, IL
  • Tinley Park, IL
  • Mokena, IL
  • Frankfort, IL
  • Matteson, IL
  • Park Forest, IL
  • Chicago Heights, IL
  • Monee, IL
  • Hammond, IN
  • Munster, IN
  • Dyer, IN
  • Schererville, IN
  • St. John, IN

Our Work Speaks for Itself

Quality and Precision in Every Project

A collection of photos showcasing our team in action. See our technicians performing installations, repairs, and maintenance on various HVAC systems in residential and commercial settings.