Brennan Heating & Air Conditioning

A Trusted Name in Home Comfort Since 1947

Brennan Heating & Air Conditioning, Inc. has been proudly serving the Jacksonville, IL area for over 75 years. Founded in 1947 by Richard (Dick) W. Brennan, our family-owned and operated business has become a trusted name in heating, air conditioning, and indoor air quality services.

Experienced Professionals at Your Service

Our team of skilled technicians is STAR HVACR Mastery Certified and NITC Certified, ensuring you receive the highest quality service. With extensive experience in all aspects of HVAC, our technicians can swiftly diagnose and resolve any issues you might have.

Comprehensive Services for Every Need

We offer a comprehensive range of services, including:

Heating

• Repair and replacement of furnaces, boilers, and heat pumps
• Routine maintenance and tune-ups to ensure optimal performance
• Installation of new heating systems and upgrades

Air Conditioning

• Repair and replacement of air conditioners and heat pumps
• Installation of new cooling systems and upgrades
• Maintenance and troubleshooting of ductwork and thermostats

Indoor Air Quality

• Air duct cleaning and sealing
• Air scrubber installation and service
• Evaluation and improvement of indoor air quality

Customer Satisfaction is Our Top Priority

At Brennan Heating & Air Conditioning, we pride ourselves on delivering exceptional customer service. We listen carefully to your concerns and prioritize your needs. Our technicians will provide clear explanations of your options and work collaboratively with you to find the best solution for your situation.

Contact Us Today for Comfort All Year Round

For over 75 years, Brennan Heating & Air Conditioning has been the reliable partner for homeowners and businesses in the Jacksonville, IL area. Contact us today to experience the difference experience and exceptional service brings!