At Corcoran Heating and Air Conditioning, we don’t just repair and service your heating and air conditioning equipment—we focus on the health and performance of your complete comfort system. We offer service on furnaces, air conditioners, rooftop-units, exhaust systems, make-up air units, mini-splits, hi-velocity, boilers, hydronics and various other mechanical equipment.

We guarantee that our technical approach to service and installation will make a significant difference in the comfort of your home or business environment, while potentially saving thousands of dollars in heating and cooling costs. Additionally, our exceptional services can benefit the environment by reducing your carbon footprint.

Our technicians are committed to making your home, office, or business environment as comfortable, healthy, and safe as possible.

If you’re fed up with high utility bills and uncomfortable environments, give us a call. Our factory trained, NCI- and NATE-certified technicians are available 24/7/365 to handle all of your residential or commercial air comfort concerns, quickly and competently.

After gaining a full understanding of your HVAC needs, we will clearly communicate our recommendations, including all costs, time, and scope of work. As a family-owned business, Corcoran values your time, respects your space, and works hard to exceed your expectations.  We also understand how important our emergency furnace repair service is to keep your family and house warm.  We offer furnace repair in Barrington and Inverness but also travel as far as Winnetka and Lake Forest. Here at Corcoran heating and air conditioning we also are furnace, boiler, and commercial heating replacement experts.  Winter is here so be sure to have your equipment serviced or replaced before those bone chilling cold days arrive.

Click on the icon below to learn more about why we are trusted by clients for their homes, businesses, restaurants, and offices.

Furnaces
Air Conditioners
Boilers
Roof Top Units

Exhaust Fans
Make-Up Air units
Mini-Splits
Hi-Velocity

Thermostats
Server Rooms
24-7-365 Support
In House Service

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Replacement
Custom Builds
Remodeling
Retrofit

Restaurant Flips
Home Flips
Load Calculations
Modeling

Performance Testing
Comfort Surveys
In House Design
In House Crews

Click the icon below to learn more about why we are trusted by clients to help them at their restaurants, bars, and clubs.

Repairs
Maintenance
Exhaust Fans
Make-Up Air Units

Design
Installation
Test and Balance
Electrical Packages

Start-Ups
Sensor Wiring
Controls
Carbon Monoxide

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New Install Testing
Performance Testing
Certified Reports
Field Adjustments

Meeting Code
Comfort Repairs
Pressurization
Fume Capture

Hoods and MAUs
Fresh Air
Combustion
Recommendations

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Hot/Cold Spots
Thermostat Wars
Hot Upstairs
Freezing Downstairs

Fresh Air
Poor IAQ
Allergy Fixes
Ventilation

Better Performance
Increased Comfort
Less Frustration
Guaranteed Fixes

Corcoran Heating and Air Conditioning Inc is proud to offer Barrington IL Heating Repair during this cold winter season!  Emergency Service is always available for your immediate need. Corcoran Heating and Air Conditioning is a HVAC Contractor with over 30 years of experience in HVAC Repair offering top of the line HVAC Equipment.  We have been helping residential customers from simple repairs to designing and building their dream home.  Also offering commercial HVAC Services to industries of all types including custom built restaurant ventilation systems.  If you need Furnace, Boiler, and Commercial Heating Repair or Furnace, Boiler, and Commercial Heating Replacement this winter Corcoran Heating and Air Conditioning is here to be of service to your Heating.