Dependable Service, Every Time
As a premier provider of HVAC, plumbing, and electrical services in Jacksonville and St. Augustine, Donovan Air, Electric, and Plumbing has been serving the community for over three decades. Since our inception in 1987, our mission has been to make our customers happy, and we have continually strived to deliver exceptional service, excellent products, and unparalleled expertise. Our team of fully licensed and insured HVAC contractors and electrical technicians is committed to providing you with unparalleled comfort, convenience, and peace of mind.
Our Servies
At Donovan, we understand that a comfortable and well-maintained home or office is essential to a happy and healthy lifestyle. That is why we offer a wide range of services designed to meet your specific needs. From routine maintenance and repairs to installation and maintenance of HVAC systems, plumbing systems, and electrical systems, we are dedicated to providing you with the highest level of customer satisfaction.
HVAC Services
We provide a comprehensive range of HVAC services, including:
- Installation and repair of air conditioning systems
- Installation and repair of heating systems
- Maintenance and repair of air ducts
- Installation and repair of air quality systems
- Installation and repair of air purification systems
Electrical Services
Our electrical services include:
- Installation and repair of electrical systems
- Installation and repair of electrical panels
- Installation and repair of electrical outlets and switches
- Installation and repair of generators
Plumbing Services
Our plumbing services include:
- Installation and repair of plumbing systems
- Installation and repair of water heaters
- Installation and repair of pipes and fixtures
- Installation and repair of drainage systems
Financing Options
At Donovan, we understand that unexpected expenses can be a financial burden. That is why we offer a range of financing options to help you budget for your HVAC, electrical, and plumbing needs. With financing options available from leading providers, you can rest assured that you can get the services you need to maintain a comfortable and well-maintained home or office.
What Sets Us Apart
Our commitment to customer satisfaction sets us apart from other service providers. We pride ourselves on our:
- 100% install satisfaction guarantee
- 3-year/10-year warranty
- Trust-Certified electricians
- VIP customer support
- Comprehensive maintenance and repair services
- Fast and reliable service
Customer Testimonials
Don't just take our word for it. Our customers rave about our services, saying:
- "Donovan's technicians have always been on time, explained everything completely, and were polite."
- "I've always been happy with both their service and prices."
- "I love that they have convenient hours and call to remind me of my appointment the day before."
Join Our Preferred Customer Program
Don't let an HVAC emergency take you by surprise. Join our Preferred Customer Program and enjoy:
- Priority scheduling
- Exclusive discounts
- Regular maintenance reminders
- Priority customer support
Overall Excellent Service
The reviews are overwhelmingly positive, with customers praising the excellent service, professionalism, and courtesy of the technicians and staff at Donovan Heat & Air.
Technician Praise
Many reviewers praised specific technicians, including Hobart, James, Taylor, Sam, Casey, Terry, Steve, Endri, Dennis, Cheyenne, Kevin, Tyler, James, Donnie Griffin, Parker, Jesse, Austin, Greg, and Michael. These technicians were commended for their knowledge, efficiency, and friendly demeanor.
Prompt and Efficient Service
Customers appreciated the prompt and efficient service, with many mentioning that the technicians arrived on time and completed the work quickly. Some reviewers also praised the office staff for their helpfulness and reassurance.
High-Quality Work
The quality of the work was consistently high, with customers praising the technicians' attention to detail and the thoroughness of the repairs and installations.
Customer Service
The customer service at Donovan Heat & Air was universally praised, with customers appreciating the friendly and courteous service from the technicians and office staff.
Issues
The only criticism mentioned was a minor issue with insulation clumps left behind after a service call.

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