Reliable HVAC Contractor service with upfront pricing and a satisfaction guarantee.
Fast air conditioning diagnostics and repair to keep your Orlando home comfortable.
Book this →Furnace, heat pump, and boiler repairs by licensed technicians in Orlando.
Book this →Seasonal system maintenance that extends equipment life and cuts energy bills.
Book this →New equipment installs with proper permits, licensed labor, and full warranty.
Book this →Filtration upgrades, UV systems, and air quality testing for healthier living.
Book this →We give you a window and we show up in it — or we make it right.
No hourly surprises. Upfront quotes before any work begins.
Fully licensed, bonded, and insured for work in Orlando.
If it's not right, we come back and fix it — no charge.
Call or book online. We confirm your appointment window and what to expect.
Licensed technician arrives at your Orlando home as scheduled — no all-day wait.
Professional repair or install backed by our workmanship guarantee.
What Customers Say
“Alan is the absolute best! We have been with Duncan long enough to be on our second a/c unit with them. We do our regular maintenance with them, so rarely have issues. When we purchased our latest unit it came with a ten year parts and labo...”
“I cant believe I am saying this, but I found Duncans through ChatGPT. I found useful information about Daikin.. They recommended a list of AC people in Orlando, who carried DAIKIN... And they zeroed in on Duncan as a family business With th...”
“Just had my HVAC system serviced by Duncan. The tech, Gavin, arrived within the time frame specified. He was friendly, courteous and made sure to explain things clearly in terms that we understood. I also appreciate the fact that Dunca...”
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Serving Orlando · Kissimmee · Winter Park · Sanford · Oviedo