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Please contact the business for updated hours/services due to the COVID-19 advisory.

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.
Regular Hours
Mon - Fri:
Sat - SunClosed
Air Purifiers|Compressors|Ducts|Rooftop Air Conditioners|Energy Efficient Systems|Fan Parts|Motors|Air Distributors|Fans|Pipes|Filters|Coils|Custom Heating & Air Conditioning|Grills|Belts|Window Air Conditioners|Thermostats|Central Air Conditioning||Gas Conversions|Gas Conversions|Gas Conversions|Electric Heating System Service & Repair|Construction|Electric Heating System Service & Repair|Electric Heating System Service & Repair|Electric Heating System Service & Repair|Inspections|Testing|Financing|Replacements|Dryer Vent Installation|High Velocity Air Conditioning|Coil Cleaning|Dryer Vent Cleaning|Furnace Repairs|Dryer Vent Repair|Gas to Electric Conversions|Insulation|Testing|Weather Sealing & Stripping|Inspections|Cleaning Services|Overhauls|Upgrades|Conversions|Delivery Services|Filtration|Fireplaces|HVAC|Maintenance|Maintenance & Service Contracts|Plumbing|Plumbing & Heating Layouts|Remodeling|Restoration|Electrical Service|Replacements|High Velocity Air Conditioning|Coil Cleaning|Dryer Vent Cleaning|Inspections|24-Hour Emergency Repairs|Air Conditioning Service|Insulation|Maintenance & Repair|Testing|Retrofitting|Emergency Installation|Energy Audits|Sheet Metal Work|Weather Sealing & Stripping|Plumbing Services|Cleaning Services|Conversions|Gas to Electric Conversions|Insulation|Testing|Weather Sealing & Stripping|Inspections|Air Conditioning Installation/Replacement|Air Filtration Systems|Humidification/Dehumidification Systems|Geothermal Systems|Heating System Installation/Replacement|Heating System Service/Repair|Duct Cleaning|Duct Work|Sheet Metal Fabrication|Air Purification Systems
Payment method
cash, discover, amex, visa, master card
Heating Contractors & Specialties, Air Conditioning Contractors & Systems, Air Conditioning Equipment & Systems, Air Conditioning Service & Repair, Construction Engineers, Fireplace Equipment, Fireplaces, Heating Equipment & Systems, Heating Equipment & Systems-Repairing, Heating, Ventilating & Air Conditioning Engineers, Professional Engineers
Other Information

Specialties: Furnaces, Electric Appliances, Heat Pumps, Boilers, Water Heaters, Air Conditioning Systems, Hot Water Tanks, Carrier Factory Authorized Dealer


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