About
About Us – Sanford’s Largest HVAC Company
Founded by Bob Dello-Russo in 1983, Del-Air Plumbing, Air Conditioning, and Electric has always been dedicated to delivering outstanding customer service.
From day one, we’ve been committed to providing reliable and affordable residential HVAC and plumbing services that our clients can count on. Our focus is to consistently exceed expectations with exceptional workmanship and a team of knowledgeable and friendly professionals.
We continue to uphold our core values of quality craftsmanship and a promise of complete customer satisfaction.
Contact Del-Air Heating and Air Conditioning Today
We are here to help Florida homeowners, like those in the Orlando North area, keep their HVAC systems running at their best. Turn to us for all your installation and maintenance needs.
Are you interested in learning more about what Del-Air Heating and Air Conditioning has to offer? Contact us online or give us a call at (407) 805-1562 today!
FREE
Trip Charge with Paid Repair
*Terms & conditions may apply. See the Specials page for details.
Valid
Jan 1, 2026
- Mar 31, 2026
Your Del-Air Management Team
-
Mark Weaver Director of Residential Service & Repair Operations Phone: 386-291-4469
Email: mweaver@delair.com -
Greg Spitzer Vice President of Residential New Construction Operations Phone: 386-291-4473
Email: gspitzer@delair.com -
-
-
Steve Ramthun Vice President of Residential Service & Repair Phone: 888-831-2665
Email: sramthun@delair.com -
-
Decades of Dependable Service
Built on Trust, Quality, and Community.
-
Same-Day ServiceWhen you need help fast, Del-Air delivers with prompt, professional same-day appointments.
-
24/7 Emergency SupportComfort emergencies don’t wait — and neither do we. Call anytime, day or night.
-
We Service All Brands & ModelsNo matter what you have, our skilled technicians can handle it with ease.
-
Fully Licensed, Bonded & InsuredYour home is in expert hands with our certified, trusted professionals.
-
Free Estimates on New SystemsKnow your options upfront with clear, no-obligation estimates.
-
Discounts for Military, Veterans & SeniorsA small way we say thank you to those who’ve served and supported our communities.
Our Services
Del-Air Heating & Air Conditioning is proud to be Florida’s largest residential heating and air conditioning company, built on a foundation of exceeding customer expectations. Our services include:
- HVAC services: Floridians understand why reliable heating and cooling are essential for maintaining a comfortable and dry home. Our HVAC services include repair, installation, maintenance, and more.
- Plumbing services: We can tackle installation projects for your water treatment systems and plumbing fixtures. Our technicians can also help with leak detection, sewer repairs, and water heater installation.
- Electrical services: Whether you are working on a home remodeling project or need to address an electrical failure, we help residents in Central Florida with top-notch electrical services and repairs.
Whether you are working on a home remodeling project or need to address an electrical failure, we can help residents in Central Florida with top-notch services and repairs.
Thousands of Homes. One Trusted Name.
See Why Homeowners Across Florida Trust Del-Air for Honest Service and Lasting Comfort.
-
“They are great! Super knowledgeable and friendly. They explained everything in detail. They were patient with all of my many questions. I highly recommend Del-Air. They love their job, and it shows in the excellent service they provide.”- Charm B.
-
“If you want a friendly professional team who will take care of you, Del-Air is your company! Super friendly, easy to talk to, and easy to understand from the moment they arrived. Our AC system was fixed that day and we will definitely use Del-Air again.”- Dean D.
-
“I’m very satisfied with the work done by the Del-Air. arrived on time, explained everything clearly before starting to see the unit. The service was efficient and professional. My air conditioner is now working perfectly and I couldn't be happier.”- Antonio R.
-
“Del-Air was fantastic! Big job for big house! Very knowledgeable and supportive of our needs. Keep up the great work! Couldn't be happier with your services.”- Emilio R.
-
“Had some plumbing issues reached out to Del Air as we've used them for all our HVAC needs. They were able to schedule a plumber very quickly. He xplained everything in great detail and did a great deal of work in a short time. We appreciate Del Air!”- Joe D.
-
“They explained the problem in a way that was easy to understand and provided honest recommendations. Their work was thorough & efficient. I would absolutely recommend Del-Air to anyone needing HVAC services.”- Daniel G.
-
“Had more service today done by Del-Air. They continue to do a great job each time. All the people at Del-aire are excellent. They were very clear on what the issues were. What needed instant attention, and what could be something planned for in the future.”- Rob H.
-
“Del-Air was simply AMAZING. They took the time to thoroughly explain every detail regarding why my unit stopped cooling. I am so grateful to have had them as my HVAC service provider. Look no further if you need any type of AC, electrical, or plumbing help”- Daly R.
-
“Del-Air did a great job. The technician showed up right on time, was respectful, and knew exactly what he was doing. He explained the issue and had my AC running like new in no time. Even got a follow up call to check on me the next day. All in all, solid ”- John S.
-
Protect Your Home Year-Round Regular Maintenance That Saves You Time, Money, & Stress.Join a Del-Air Maintenance Agreement Plan to keep your systems running efficiently and prevent costly breakdowns. Priority scheduling, discounts, and peace of mind — all included. -
Financing Options Flexible Payment Options for Every Home & SystemWe make it easy to stay comfortable with financing options designed to work for your budget — so you can enjoy peace of mind now and for years to come.
-
Comfort at a Better Value Specials & PromotionsExplore limited-time offers on HVAC, plumbing, and electrical services to keep your home running efficiently all year long.