More Info

Proudly serving our community since 1947
General Info
Brennan Heating & AC, Inc. is Jacksonville's expert heating and cooling company. We offer furnace and air conditioning services in and around Jacksonville. Brennan Heating & AC, Inc. is dedicated to providing the best heating and cooling solutions to meet your needs. We've earned a reputation for doing the job right the first time - you can count on us! Please, feel free to contact us for more information on our services, products, and company.
BBB Rating
BBB Rating and Accreditation information may be delayed up to a week.
BBB Accredited businesses follow the BBB Code of Business Practices and pay a fee for accreditation review and monitoring. Accreditation is not a BBB endorsement or evaluation of the business’ product quality or competency in performing services.

BBB Rating and Accreditation information may be delayed up to a week.
Energy Audits, Dryer Vent Cleaning, Emergency Installation, Sheet Metal Fabrication, Humidification/Dehumidification Systems, Plumbing Services, Financing, Replacements, Retrofitting, Testing, 24-Hour Emergency Repairs, Heating System Installation/Replacement, Heating System Service/Repair, Cleaning Services, Restoration, Mobile Homes, Geothermal Systems, Remodeling, Upgrades, Maintenance & Repair, High Velocity Air Conditioning, Fireplaces, Dryer Vent Repair, Maintenance & Service Contracts, Air Conditioning Service, Conversions, HVAC, Sheet Metal Work, Air Purification Systems, Overhauls, Air Filtration Systems, Maintenance, Gas to Electric Conversions, Furnace Repairs, Plumbing, Duct Work, Plumbing & Heating Layouts, Electrical Service, Insulation, Dryer Vent Installation, Duct Cleaning, Coil Cleaning, Weather Sealing & Stripping, Air Conditioning Installation/Replacement, Inspections, Filters, Window Air Conditioners, Thermostats.
Payment method
cash, mastercard, discover, visa, amex

Energy Star


Social Links


Hi there!
Be the first to review!
First-classBetter than mostAbout what I expectedNot the worst...Disappointing
Click to Rate


Phone: (217) 883-4865

Address: 619 E Morton Ave, Jacksonville, IL 62650