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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
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Your Del-Air Management Team

Decades of Dependable Service

Built on Trust, Quality, and Community.
  • Same-Day Service
    When you need help fast, Del-Air delivers with prompt, professional same-day appointments.
  • 24/7 Emergency Support
    Comfort emergencies don’t wait — and neither do we. Call anytime, day or night.
  • We Service All Brands & Models
    No matter what you have, our skilled technicians can handle it with ease.
  • Fully Licensed, Bonded & Insured
    Your home is in expert hands with our certified, trusted professionals.
  • Free Estimates on New Systems
    Know your options upfront with clear, no-obligation estimates.
  • Discounts for Military, Veterans & Seniors
    A 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.
    I'll Be Sticking With Del-Air From now On.
    “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.
    Thank You, Del-Aire!
    “I am a retired, divorce woman and I rely on the honest, courteous, professional service of every Del Air technician for all of my AC and plumbing needs. It is so reassuring to know this is a company I can rely on for excellent service at fair and affordabl”
    - Lynn W.
    Another Great Visit From Del-Air
    “Del-Air completed service today on my air conditioning system. They were fabulous, polite, and did their best for us! I appreciate everything and I'm very satisfied. If you need any home service in Florida, call Del-Air. You won't regret it!”
    - Joanne K.
    I Highly Recommend Del-Air
    “I had an excellent experience with Del-Air. They were extremely thorough in diagnosing the issues with my system and explained everything clearly, so I knew exactly what was going on. Didn’t try to upsell anything unnecessary.”
    - Rolando E.
    Thank You So Much!
    “Our experiences with Del-Air were fantastic. Never have I felt better taken care of, as if it were their own home. They did a great job, and I renewed my membership without a second thought.”
    - Michael V.
    Always Happy With Del-Air
    “Juan was our tech from Del- Air and was very thorough, knowledgeable and friendly. Ive always been happy with this company and trust them. Love the coupons they offer. Happy with the services provided.”
    - Susan Ann H.
    5 Stars
    “Great experience today with William from Del-Air. He came out late in the day to help make a maintenance appointment happen on my heat pump. Fast, professional, and more than willing to explain the process as he went. Thanks to him and the team!”
    - Christian W.
    A Loyal Del-Air Customer
    “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.
    No One Better in Florida
    “Del Air showed up on the same day I called. The technicians were on time and very professional. They explained their findings and cleaned up the work area when done. Final cost was as promised. No surprises. I’d recommend Del Air for all HVAC repair ”
    - Alan H.
  • 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 & System
    We 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 & Promotions
    Explore limited-time offers on HVAC, plumbing, and electrical services to keep your home running efficiently all year long.

We’re Here When You Need Us

Fast, Reliable, and Always Professional.

At Del-Air (North Orlando), we're always ready to take your call! Give us a call at (844) 909-3003 or fill out the form below to contact one of our team members.

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