Technician smiling in driveway

When we started Donovan Heat, Air & Electric in 1987, we had one goal–to make our customers happy. Three decades later, nothing has changed.

You deserve a home that feels as beautiful as it looks.  We know the frustration of a hot, humid home and at Donovan, we provide clean air and comfort solutions for your home and office.  We install, repair and maintain air conditioning systems to improve your quality of life. 

Are you looking for an honest, dependable HVAC and Electrical service provider? We are that provider, and we are so glad you’ve found us. Our customers value quality and only invite brands they trust into their home and office.

We’ve served the community since 1987. It has been an honor to serve families in Jax Beach, Ponte Vedra Beach, St. Augustine, Nocatee, Mandarin, and the greater Jacksonville area. We love helping people feel comfortable where they live and work.

What Customers Are Saying

Repairs In Minutes Not Days

Any time your air conditioning system doesn’t work properly — it feels like an emergency. When that happens, calling a reputable heating and air conditioning company that offers emergency repair service is a must.

100% Install Satisfaction Guarantee and 3 Year/10 Year Warranty

Choosing whether to repair or replace your air conditioner can be a difficult decision. An AC system is a crucial component of a comfortable home. A broken or malfunctioning AC system can seem like an unexpected financial burden.

Trust-Certified Electricians

When you call Donovan to repair an electrical problem at your home, you can rest easy knowing our team of highly trained electricians will respond to your home quickly and will repair the problem correctly the first time.

VIP Customer Support

While the unexpected cannot be avoided entirely, a little preventive maintenance goes a very long way. Don’t let an HVAC emergency take you by surprise. Join our Donovan Heat, Air & Electric Preferred Customer Program.

AC Repair & AC Service

At Donovan Heat, Air & Electric, 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, warranty, and innovation. Whether you’re in the market for heating, cooling, or improved indoor air quality, Donovan Heat, Air, & Electric has a solution. You can count on Donovan Heat, Air & Electric 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 service team serves a full four-year apprenticeship with the Northeast Florida Builders Association. 


Licensed HVAC Contractors and Highly Trained Electricians

Donovan Heat, Air & Electric employs fully licensed and insured HVAC, Trust-Certified electrical contractors – CAC058398 , CAC1815153, EC13010004. Our N.A.T. E. certified technicians repair and service all makes and models of heating and cooling equipment. Whether your system is out-of-date or ultra-modern or somewhere in-between, our technicians are qualified. Beyond service and installation, we provide prompt repair 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 and electrical services to Jacksonville. 

Why your Jacksonville area neighbors love and trust Donovan:

  • We’re the largest HVAC company in northeast Florida. 

  • Our customer service is unmatched.

  • The Donovan team is highly trained, honest, and dependable.

  • We offer upfront, flat-rate pricing with no hidden fees or extra labor charges.

  • Our work is backed by Donovan’s 100% Satisfaction Guarantee.

  • Our technicians are experienced and NATE-certified.

  • We arrive within minutes in our well-stocked vehicle and repair your problem quickly.

  • Donovan has been licensed, insured, and family-owned/operated since 1987.

  • We care about our customers—and we care about our community.

Technician testing AC unit