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AC Installation & Replacement in St. Augustine, FL

Citywide HVAC Services installs new central air conditioners, heat pumps and ductless systems throughout St. Augustine, FL. We run a load calculation on your home, show you good-better-best options and complete most installations in a single day.

AC installation in St. Augustine — 24/7
(855) 459-5498
  • Clean work, shoe covers, and we haul away old equipment.
  • Technicians arrive in marked trucks with the parts to fix it today.
  • Serving St. Augustine and St. Augustine Beach, Marineland & nearby

Signs you need AC installation in St. Augustine

  • AC over 12–15 years old and needing frequent repairs
  • Repair quote is more than half the cost of a new system
  • R-22 refrigerant system that is expensive to recharge
  • Rooms that never get comfortable no matter the thermostat setting
  • Rising electric bills every summer
  • Adding square footage or a new addition

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

What to expect

  1. Book by phone. Same-day appointments for St. Augustine; 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 AC installation in St. Augustine, FL. Residential and commercial. Every brand. Call (855) 459-5498 any time.

AC Installation & Replacement near you — St. Augustine and surrounding areas

Our AC installation technicians serve St. Augustine plus St. Augustine Beach, Marineland, Palm Coast, Green Cove Springs, Palatka, Beverly Beach, Jacksonville Beach, Neptune Beach. Looking for a different town? Browse every Florida location or the main AC Installation & Replacement page.

St. Augustine customers on our AC installation

★★★★★

“Called three companies, Citywide was the only one that answered live and gave me a real arrival time. Fixed my heat pump that afternoon.”

— Tamara J., St. Augustine, FL
★★★★★

“Fast, polite and fair. The price they quoted on the phone is exactly what I paid. Highly recommend for anyone in St. Augustine.”

— Kevin L., St. Augustine, 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.”

— Susan B., St. Augustine, FL

AC Installation & Replacement FAQ — St. Augustine, FL

How long does AC installation take in St. Augustine?

Most straight replacements are finished in one day. Ductwork changes or new line sets can add a day.

What size AC do I need for my St. Augustine home?

We measure your home and run a Manual J load calculation instead of guessing — oversized units short cycle and leave Florida homes humid.

Do you offer financing on new AC systems?

Yes, financing options with approved credit are available on new system installations. Ask when you call (855) 459-5498.

Do you provide AC installation near St. Augustine too?

Yes. Besides St. Augustine, we cover St. Augustine Beach, Marineland, Palm Coast, Green Cove Springs and every other city in Florida.

Other HVAC services in St. Augustine

Learn more

Need AC installation in St. Augustine today?

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