• Family Owned & Operated
  • Stay Cool
  • Emergency Service
  • Nest

The Donovan Story

We have over 20 years of experience dealing with the unique demands living in Northeast Florida places on your HVAC system. We offer private labeled HVAC equipment called Donovan Eco-logic, which includes a 10-year parts and labor warranty, the best in the region!

AC Repair & AC Service


At Donovan Heat & Air, we're all about home and office comfort. We provide our valued customers with the AC Repair and AC Service they need to enjoy a perfect indoor climate. Our success starts with installing the highest quality products. We install only those manufacturers and models with proven track records of reliability, efficiency, performance, warranties and innovation. Whether you're in the market for heating, cooling, or improved indoor air quality, Donovan Heat & Air has a solution you can count on to deliver complete satisfaction.

We partner premium equipment with the best HVAC service technicians in Jacksonville and St. Augustine. Each and every member of our team serves a full four-year apprenticeship with the Northeast Florida Builders Association. Our technicians are N.A.T.E. certified and can suggest the most environmentally-friendly options when needed. They also continue ongoing factory training to keep up with the latest technology, developments and features available to today's homeowners. Donovan Heat & Air brings a superior level of commitment to each and every job, going above and beyond to deliver not only competent workmanship but also integrity you can trust.

LICENSED HVAC CONTRACTORS

Donovan Heat & Air is fully licensed and insured HVAC contractors - CACO 58398 and CACO 39761. Our certified technicians repair and service all makes and models of heating and cooling equipment, from out-of-date to the latest technology, and provide prompt emergency service when you need us most. We stand behind our work with a 100% money-back satisfaction guarantee on repairs. When you're in need of premium comfort solutions, look no further. We deliver conscientious, affordable and comprehensive heating & cooling services to Jacksonville. Don't forget to check out our seasonal specials. Call us at (904) 241-3785 to speak with a friendly, knowledgeable member of our staff and we will get to work to promptly resolve your heating or cooling problems.

For helpful tips on maintaining and troubleshooting your heating and air conditioning system, visit our VIDEOS page.