HVAC technician holding tools on the job

St. Augustine Air Conditioning & Heating

Keeping St. Augustine Cool
Through Every Summer

AC repair, HVAC installation, and emergency cooling response for homes and businesses across St. Augustine and Northeast Florida — affordable rates, honest diagnostics.

Request Priority Service Call (904) 469-0202

Always On

Dispatch St. Augustine Metro

Duct Cleaning

Full-Service HVAC Repair & Install

9,500+

Systems Serviced

West Augustine Anastasia Island St. Augustine Beach

AC Repair

Certified techs dispatched to your home or business — most cooling issues diagnosed and fixed same day.

Wall-mounted air conditioning and thermostat unit

Emergency HVAC

No cool, no heat, or system failure — day or night, our dispatch network covers all of St. Augustine.

Rooftop HVAC units on a commercial building

Maintenance Plans

Seasonal tune-up programs built around Florida’s climate, keeping systems efficient year-round.

New air conditioning condenser unit installed outside a home

System Installation

Full-system replacement and new installs, sized and permitted correctly for St. Augustine homes.

Request Service

Start a Work Request

Tell us about your system and what it needs. Dispatch reviews every request and follows up fast — usually within one business hour.

Contact Us

Personal Info

First Name *

Last Name *

Email *

Phone Number

System Info

Enter System Model, Serial Number, or Year/Brand

Additional Info

Tell us what work you might need done on your system.

Description

Request received

Thanks — dispatch has your work request and will follow up shortly at the contact info you provided.

On-site & residential service — St. Augustine, FL

Who We Are

Honest HVAC Service, Built for St. Augustine Heat

Affordable Air & Heat of St. Augustine has spent over a decade keeping homes, offices, and light-commercial buildings cool across St. Augustine and Northeast Florida. When a system goes down in August, every hour without cooling matters — so our dispatch team gets a certified technician moving the moment you call.

We’re not the biggest shop in St. Augustine, and we like it that way. Our technicians know your home, your system, and your history, and our Honest Pricing policy means the quote you get is the invoice you pay. No surprise fees, no upsells — just cool air when you need it.

Our HVAC & air conditioning services include:

Residential AC Repair
Preventive Maintenance Plans
Emergency No-Cool Service
Refrigerant Leak Repair
System Installation & Replacement
Ductwork Repair & Sealing
Indoor Air Quality Solutions
Commercial Rooftop Units
Thermostat Installation
Heat Pump Repair

Full Capability List

Other Services We Provide

Beyond emergency response, our technicians handle the full range of HVAC upkeep so your system passes inspection and stays running efficiently.

No-Cool Emergency

Thermostat Repair

Refrigerant Leak Repair

Duct Cleaning

Filter Replacement

Commercial HVAC Repair

Whole-Home Comfort Plans

Code Compliance Inspections

Mini-Split Repair

On-Site Diagnostics

Heat Pump Service

Seasonal Tune-Up Plans