A/C Repair Services

When the air goes out, your business slows down. Since 1993, Millian Aire AC & Heating has provided trusted commercial HVAC repair services across the Tampa Bay area. We know that a broken A/C isn’t just uncomfortable—it can mean lost productivity, unhappy customers, and a serious hit to your bottom line.

Our dedicated commercial repair team understands the urgency of keeping your workspace cool, especially in Florida’s relentless heat and humidity. Whether you manage a retail store, office, or warehouse, we’ve got the experience and manpower to restore comfort fast.

Common Signs Your Commercial HVAC Needs Repair

Early intervention is key to minimizing disruption and costly damage. Here’s what to watch for:

• Strange Noises: Rattling, buzzing, grinding, or hissing sounds often signal mechanical issues, motor failure, or refrigerant leaks.
• Constant Cycling: If your system runs nonstop or turns on and off frequently—even on mild days—it may be incorrectly sized or struggling due to internal faults.
• Inconsistent Temperatures: Struggling to cool or heat your building evenly? Your HVAC might be overworked, underperforming, or leaking refrigerant.
• Unpleasant Odors or Air Quality Issues: Musty smells could mean mold in the system, while a burning odor might signal electrical issues. If dust or allergy symptoms increase, your filters or ductwork may need attention.

Why Choose Millian Aire?

Millian Aire isn’t just a residential AC provider. We have a dedicated team of factory-trained, EPA-certified commercial HVAC specialists ready to diagnose and fix your system with precision—ensuring your space stays productive, safe, and comfortable.

In the day-to-day chaos of running a business, it’s tempting to ignore that drafty office corner or the musty smell wafting from your vents. But neglecting small HVAC problems can lead to major system failures—and even bigger costs.

At Millian Aire, we specialize in rapid-response commercial HVAC repair across Tampa Bay and the Pasco county., helping you prevent interruptions before they start.

Why Prompt Repairs Matter

Avoid Expensive Repairs
What starts as a faint rattle or hum can quickly escalate into a system-wide breakdown. Commercial HVAC systems are highly interdependent—when one part struggles, others follow. Ignoring minor issues often leads to larger, costlier repairs or full replacement.

Minimize Business Downtime
A single HVAC failure can halt operations entirely. The cost of a quick diagnostic and repair is nothing compared to the loss of productivity, revenue, or client trust when your business can’t operate due to indoor discomfort.

Protect Health & Air Quality
Poor HVAC performance contributes to unhealthy air. Dirty filters, moldy ductwork, and inconsistent temperatures can lead to employee illness and reduce morale. Timely repairs keep your system clean, balanced, and safe.

Improve Energy Efficiency
A failing system draws more power to do the same job. Leaky ducts, faulty thermostats, and blocked coils can spike your energy bills. In fact, up to 20% of conditioned air can be lost through leaks—money that could be saved with a fast fix like Aeroseal duct sealing.

Trusted by Theaters Nationwide

From local offices to national entertainment venues, Millian Aire has been the go-to HVAC repair company since 1993. We know how vital climate control is to your operation—and how fast you need it resolved.

While most commercial HVAC repairs should be left to licensed professionals, there are a few basic maintenance tasks that business owners or facility managers can handle safely. Taking care of these simple fixes can help your system run more efficiently and potentially avoid larger, costly breakdowns.

Note: DIY work beyond basic maintenance can void warranties or worsen problems—always consult a technician for anything more complex.

DIY Maintenance Tasks You Can Do:

1. Replace Air Filters
Dirty filters reduce airflow, strain your system, and circulate dust, bacteria, and viruses through your building. Most commercial systems need their filters replaced monthly or quarterly depending on usage. Frequent changes help maintain air quality and HVAC efficiency.

2. Check the Thermostat
If your system isn’t cooling properly or keeps shutting off, the thermostat may be the culprit. Make sure it’s set to the correct mode and temperature. If battery-powered, replace the batteries regularly. Also, keep it away from heat sources like direct sunlight or nearby appliances.

3. Clean the Condenser Coils
Dust and debris buildup on condenser or evaporator coils can reduce cooling performance and lead to strange smells. Power down the unit and use a coil-safe cleaner to gently clean the surface. Always follow manufacturer instructions.

4. Unclog the Drain Line
A blocked condensate drain line can lead to leaks, musty smells, and humidity issues. Pouring a vinegar solution through the line every few months helps prevent mold and algae buildup.

5. Inspect and Replace Belts
Worn or broken blower belts can disrupt airflow and cause inadequate heating or cooling. If you're mechanically inclined, inspecting and replacing belts on your commercial blower motor may be manageable—but always turn off power before doing so.

Know When to Call a Pro

If you’ve tried the basics and your HVAC is still malfunctioning, or if the issue involves refrigerant, electrical systems, or ductwork—call Millian Aire. Our licensed commercial HVAC specialists will diagnose and repair the issue quickly, ensuring your system stays under warranty and performs at its best.

At Millian Aire AC & Heating, we’ve spent over 30 years building a reputation for reliable service, technical excellence, and unmatched customer satisfaction. With more than 1,400+ glowing reviews from businesses across the Greater Tampa Bay Area, we’ve proven ourselves as the go-to experts for commercial HVAC installation, repair, and maintenance.

Certified Experts, Backed by Experience

Our team of factory-trained technicians has deep operational knowledge of the HVAC systems we install. Every team member holds current EPA (Environmental Protection Agency) certifications, and we’ve been recognized by the Refrigeration & Air Conditioning Contractors Association for our commitment to professionalism, safety, and technical excellence.

Flexible Solutions for Every Business

We’re proud to be a Trane Authorized Dealer, but we go far beyond a single brand. Whether you need premium energy-efficient systems or budget-conscious equipment, we offer a full range of commercial HVAC solutions tailored to your building, industry, and long-term goals.

Fully Insured & Bonded for Peace of Mind

Your business is protected when you work with Millian Aire. We carry $5 million in liability insurance and maintain virtually unlimited bonded capabilities, so you can feel confident partnering with us on projects of any scale.

Local Roots, Nationwide Reach

Based in Hudson, Florida, we’ve been proudly serving Pasco County and the Greater Tampa Bay area since 1993. While our reach extends nationwide for commercial clients, Tampa is our home—and we’re dedicated to helping local businesses thrive with cleaner, safer, more efficient indoor air.

When choosing a commercial HVAC provider, certifications aren’t just paperwork—they’re proof of technical expertise, safety compliance, and performance standards. At Millian Aire, we prioritize working with certified professionals who meet the highest standards in the industry.

Here are three essential certifications you should look for when hiring a commercial HVAC company:

NATE Certification (North American Technician Excellence)

The largest nonprofit certification body for HVAC and refrigeration technicians in the U.S., NATE certification validates a technician’s ability to install, service, and repair HVAC systems across a wide range of environments. Certified professionals have passed rigorous, real-world testing.

EPA Certification (Environmental Protection Agency)

Required by federal law for anyone handling refrigerants, the EPA certification ensures technicians can manage hazardous materials safely and responsibly. This credential is essential for any commercial HVAC provider working with refrigerants or environmentally sensitive systems.

BPI Certification (Building Performance Institute)

Focused on energy efficiency and building science, BPI-certified professionals are trained to evaluate and optimize HVAC performance in commercial buildings. This certification is especially valuable for businesses looking to reduce energy usage and improve indoor comfort.