Two technicians smiling in driveway

When we started Donovan Air, Electric & Plumbing 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. 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, Plumbing and Electrical service provider? We are that provider and are so glad you’ve found us. Our customers value quality and only invite brands they trust into their homes and offices.

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.

Financing available!

Issued with approved credit by Service Finance Company or Wells Fargo.

What Customers Are Saying

AC Repair & AC Service

At Donovan, 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, we have a solution. You can count on us 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 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 Whether your system is out-of-date or ultra-modern or somewhere in-between, our technicians are qualified.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. 


Donovan Air, Electric & Plumbing provides fast and dependable plumbing service in Jacksonville and St. Augustine, Florida. Our expert plumbers are fully trained and ready to handle all your plumbing service needs 24 hours a day, 7 days a week.

Our team is trained and experienced, we offer transparent, upfront pricing and 100% satisfaction-guaranteed on all plumbing repair services including, leak detection, water heater and toilet repair and service, repiping services, drain camera inspections, high-pressure drain cleaning, garbage disposal installation and repair and much more.

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