Commercial HVAC Repair & Emergency Service

Fast Response When Your Business Needs It Most

When an HVAC system fails in a commercial setting, every minute without cooling or heating can disrupt operations, frustrate customers, and cost revenue. Dana Heating & Air provides rapid-response commercial HVAC repair services across Tampa Bay, Orlando, and Central Florida. Our experienced technicians work on all major systems, from rooftop units to split systems, delivering expert diagnostics and fast solutions. With emergency service available, businesses rely on us to restore comfort quickly and keep downtime to a minimum.

Prompt, Professional Diagnostics

Finding the Root Cause the First Time

Commercial HVAC systems are complex, and repairs require a knowledge-based approach. Our technicians arrive with the tools and expertise needed to evaluate large equipment, from compressors to advanced control systems. Rather than guessing or swapping parts at random, we perform a full inspection to identify the actual cause of the failure. Whether it’s a tripped breaker on a rooftop unit or a refrigerant leak in a long line set, we aim to resolve the issue correctly the first time. This reduces unnecessary costs and helps avoid repeat breakdowns.

Common Commercial HVAC Issues

Problems We Solve Every Day

  • Electrical failures – tripped breakers, blown fuses, or wiring issues that cause systems to shut down.
  • Compressor and motor breakdowns – critical parts of rooftop units that often require urgent repair or replacement.
  • Refrigerant leaks – long runs of refrigerant lines in commercial systems can develop leaks, reducing efficiency and cooling power.
  • Control system malfunctions – thermostat, economizer, or building automation system failures disrupting comfort.
  • Airflow issues – blocked ducts, broken fans, or damaged blowers creating uneven cooling and tenant complaints.


Each of these issues requires precise troubleshooting, and our team has the experience to address them efficiently and professionally.

Minimizing Business Disruption

Keeping Operations Running Smoothly

We understand that HVAC downtime can interrupt your business, so our repair approach is designed to minimize disruption. Whenever possible, we complete repairs on the spot to restore comfort immediately. If a specialty part must be ordered, we communicate clearly with property managers and owners about timelines and options. In critical environments, we may provide temporary solutions such as shifting load to another unit or setting up portable cooling. By working around your schedule and needs, we ensure your staff and customers stay comfortable while we complete permanent repairs.

Maintenance to Prevent Future Breakdowns

Protecting Your Investment with Regular Care

While we specialize in emergency repairs, many of them can be prevented through proactive maintenance. Our commercial maintenance programs are designed to catch small issues before they become major failures. During routine visits, we check electrical components, refrigerant levels, and moving parts to ensure everything is operating correctly. Clients on maintenance contracts receive priority service when breakdowns do occur, reducing wait times and stress. Investing in a plan means fewer emergencies, lower repair costs, and longer system life.