Residential & Commercial HVAC Contractor in Cook & Lake County, IL  –Call Today!

No matter the time of year, when your HVAC system needs attention, you look for reliable service from one of the area’s most competent HVAC contractors. For the homes and businesses in the Cook & Lake County, Illinois, area, Assurance Heating & Air Conditioning is that contractor.
Our heating, ventilation, and air conditioning technicians and indoor comfort specialists have the experience and training to provide top-notch services to our customers. So, the next time you need service, think “Assurance.” Our factory-trained HVAC specialists are always available to bring you the assurance of dependable HVAC service.

Our Heating, Ventilation and Air Conditioning Service Lineup

At Assurance Heating & Air Conditioning, we offer the following HVAC services:

  • HVAC system consultations
  • Help with system configuration and sizing
  • Manual-J heating and cooling load calculations
  • HVAC system layout and design
  • Furnace, air conditioning and heat pump installation
  • HVAC system maintenance services
  • Preventative HVAC maintenance plans
  • Furnace, air conditioning and heat pump repair services
  • 24/7 emergency HVAC repairs
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New or Replacement HVAC Installation Services

When replacing your current furnace or planning a new building project, you need a skilled HVAC contractor to install your new system. Our comfort specialists and experienced HVAC installers won’t only help ensure that you select the best HVAC equipment for your needs but they’ll also make certain that your system is properly installed for maximum comfort and efficiency.

HVAC System Maintenance & HVAC Maintenance Plans

Keeping your HVAC system running smoothly all year long requires regular maintenance to minimize wear and tear by cleaning the system, lubricating moving parts, tightening connections, and checking for safety and performance issues. Your system should be tuned up twice a year – before the heating and cooling seasons – to ensure its safe and efficient operation throughout the year. To make this more convenient, Assurance offers preventative HVAC maintenance plans that help you keep your system in top shape.

HVAC Repairs & 24/7 Emergency HVAC Repair Service

Your HVAC system is a complex collection of components that combines heating, ventilation and air conditioning technology into a single system. Keeping all parts of this system in sync and functioning smoothly throughout the year requires an experienced HVAC specialist who understands every part of the system. When this interdependent system malfunctions, you need quick, capable service from qualified HVAC contractors. At Assurance, our specialists are a reliable resource during those times. And when you need emergency HVAC help, our technicians are available to provide 24/7 service for your home or business.

Call Assurance for High-Quality Local HVAC Service

When it comes to HVAC services – and every other service or product on our menu – our name represents our mission, which is to provide every customer with the assurance of quality. We also assure your satisfaction through our 100 percent satisfaction guarantee.
If you’re located in Cook or Lake County, Illinois, we hope you’ll consider contacting Assurance Heating & Air Conditioning for your next HVAC service. Our goal is to help you solve all your HVAC challenges.

Serving Areas

We are proud to offer service to all of Buffalo Grove, IL and surrounding areas.

Wilmette, IL
Morton Grove, IL
Northbrook, IL
Highland Park
Glencoe
Evanston

Winnetka
Wheeling
Buffalo Grove
Lincolnshire
Vernon Hills
Morton Grove

Arlington Heights
Lincolnwood
Skokie
Mt. Prospect
Palatine

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Browse Our Website for More Information About Our Services

If you're seeking a reliable HVAC contractor in Cook or Lake County, why not browse our website pages and get in touch? Our team is always standing by to answer your HVAC questions and help you determine which of our services would benefit you the most.