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Commercial HVAC Repair & Service in Sebastian, FL

From a single rooftop unit to a multi-tenant plaza in Sebastian, FL, Citywide HVAC Services keeps commercial HVAC systems running with scheduled maintenance and priority emergency response.

Commercial HVAC in Sebastian — 24/7
(855) 459-5498
  • Repair-first honesty: we only recommend replacement when it saves you money.
  • Flat, written pricing before any work starts — no hourly surprises.
  • Serving Sebastian and Orchid, Fellsmere & nearby

Signs you need commercial HVAC in Sebastian

  • Rooftop unit not cooling the dining room
  • Server room or office overheating
  • Refrigeration and HVAC on the same panel tripping
  • Economizer and damper failures
  • Thermostat zoning problems
  • Poor airflow in retail spaces

If any of these sound familiar, turn the system off and call (855) 459-5498. Running a failing unit can turn a small commercial HVAC job into a much bigger one.

What to expect

  1. Book by phone. Same-day appointments for Sebastian; 24/7 for emergencies.
  2. Full diagnosis. We test the whole system, not just the obvious part.
  3. Written flat price. Approve it before we touch a tool.
  4. Done right. Repair completed, area cleaned, and we show you what changed.
Reliable commercial HVAC in Sebastian, FL. Residential and commercial. Every brand. Call (855) 459-5498 any time.

Commercial HVAC near you — Sebastian and surrounding areas

Our commercial HVAC technicians serve Sebastian plus Orchid, Fellsmere, Indian River Shores, Grant-Valkaria, Vero Beach, Malabar, Palm Bay, Melbourne Beach. Looking for a different town? Browse every Florida location or the main Commercial HVAC page.

Sebastian customers on our commercial HVAC

★★★★★

“Our AC died on a Saturday night and they had a tech at our house in Sebastian before midnight. Cold air by 1 am. Can't say enough about the service.”

— Patricia H., Sebastian, FL
★★★★★

“Replaced our 18-year-old unit in one day. Crew was careful in the house and the new system is whisper quiet. Electric bill dropped right away.”

— Anthony D., Sebastian, FL
★★★★★

“Water was pouring out of my air handler. They cleared the drain line, fixed the float switch and had it dry in under an hour.”

— Linda P., Sebastian, FL

Commercial HVAC FAQ — Sebastian, FL

Do you offer commercial maintenance contracts in Sebastian?

Yes — quarterly or semi-annual visits with filter changes, coil cleaning and a written condition report.

Can you work after business hours?

Absolutely. Many commercial repairs in Sebastian are scheduled early morning, evenings or overnight.

What equipment do you service?

Package rooftop units, split systems, mini-splits, make-up air units and light commercial heat pumps.

Do you provide commercial HVAC near Sebastian too?

Yes. Besides Sebastian, we cover Orchid, Fellsmere, Indian River Shores, Grant-Valkaria and every other city in Florida.

Other HVAC services in Sebastian

Learn more

Need commercial HVAC in Sebastian today?

Call (855) 459-5498 — 24/7
☎ Call (855) 459-5498 — 24/7