Call: 210-380-8000
Logo for Texas Air Repair ac replacement in San Antonio, TX
Call: 210-380-8000
Book Now

Commercial Rooftop HVAC Units Bexar County

Commercial Rooftop Hvac Units

Rooftop HVAC units keep your Bexar County business comfortable and operational. When they break down, you lose productivity, customers, and revenue. Texas Air Repair provides fast commercial HVAC service that minimizes downtime and keeps your operations running smoothly.
Book Now
Call: 210-380-8000

Veteran-Owned, 20 Years Strong

24/7 Emergency Response Available

Fully Stocked Service Trucks

Certified for All Major Brands

Rooftop HVAC Installation Bexar County

What Makes Rooftop Units Different

Commercial rooftop HVAC units are packaged systems that combine heating, cooling, and ventilation in a single cabinet installed on your building’s roof. Unlike residential systems or split systems with separate indoor and outdoor components, rooftop package units keep all equipment outside, freeing up valuable indoor space for your business operations. These systems are built for the demands commercial buildings face. They run longer hours, serve more people, and handle variable loads throughout the day. In Bexar County, where summer temperatures regularly exceed 95°F, your rooftop unit works constantly to maintain comfortable conditions for employees and customers. The location matters too. Rooftop installation means technicians can access your system during business hours without disrupting workflow or disturbing customers. But that same exposure to Texas weather, dirt, and debris means these units need regular attention to avoid premature failure.
A technician wearing a white hard hat and blue uniform checks air conditioning units on a rooftop in San Antonio, TX, using pressure gauges and tools—an expert in AC replacement and maintenance.
A man in a cowboy hat takes a selfie on a flat rooftop during an AC replacement in San Antonio, TX. A crane lifts equipment as two workers in hard hats stand nearby, with tools and machinery scattered around under a blue sky.

Package Unit Installation San Antonio

Why Rooftop Systems Work for Commercial Buildings

Space is money in commercial real estate. Every square foot dedicated to mechanical equipment is space you can’t use for employees, customers, or inventory. Rooftop package units solve this problem by moving all HVAC components outside and onto your roof. The design makes sense for businesses. Your heating and cooling equipment stays out of sight and out of the way. Maintenance happens on the roof where technicians can work during normal business hours without disrupting operations. And because everything’s in one packaged unit, installation is typically faster and less invasive than split systems that require both indoor and outdoor components. But rooftop units face challenges split systems don’t. They’re fully exposed to weather, from scorching San Antonio summers to occasional winter freezes. Dirt and debris accumulate on coils. Birds and pests can cause damage. Without regular attention, these factors accelerate wear and lead to breakdowns when you need your system most. That’s why choosing a commercial HVAC contractor who understands rooftop units specifically matters for long-term reliability.

Commercial HVAC Service Bexar County

What You Get With Proper Service

Regular maintenance and fast repairs don’t just keep your system running. They protect your operations, reduce costs, and extend the life of equipment that represents a significant investment.
  • Your energy bills drop by 15-20% when your commercial air conditioning system runs at peak efficiency.
  • You avoid the panic of emergency breakdowns during your busiest hours or hottest days.
  • Your system reaches its full 15-20 year lifespan instead of failing after just 9 years.
  • Your employees stay productive and your customers stay comfortable, regardless of outside temperatures.
  • You spend less on emergency repairs because small issues get caught before they become expensive failures.
  • Your facility stays compliant with Bexar County building codes and local permit requirements.

Commercial HVAC Maintenance Bexar County

What's Included in Rooftop Unit Service

Commercial HVAC maintenance isn’t the same as residential service. Your rooftop unit runs harder, longer, and under more demanding conditions. Our service addresses the specific challenges commercial systems face in Bexar County. We start with the components that fail most often. Coils get cleaned because dirty coils force your system to work 30-40% harder and drive up energy costs. Filters get changed because restricted airflow strains blower motors and reduces system capacity. Refrigerant levels get checked because leaks develop as systems age, and low refrigerant kills compressors. We also inspect economizers, which cause roughly 40% of commercial cooling problems but rarely get suspected by business owners. We check electrical connections, calibrate thermostats, clear drain lines, and test system performance under load. For rooftop units specifically, we inspect for weather damage, check roof penetrations for leaks, and verify that outdoor exposure hasn’t compromised components. The goal is catching small issues during scheduled maintenance instead of dealing with expensive emergency repairs when your system fails during peak business hours.
Keep Your Home Comfortable & Your Air Flowing Right

Breathe Easier, Stay Comfortable, Live Better

Book Now

Common questions about Commercial Rooftop Hvac Units

Most commercial rooftop units in Bexar County should receive professional maintenance at least twice a year, typically in spring before cooling season and fall before heating season. However, the ideal frequency depends on several factors including how many hours per day your system runs, how many people occupy your building, and what type of business you operate. Restaurants with kitchen exhaust, retail spaces with high customer traffic, or facilities that run 24/7 may benefit from quarterly maintenance. The extreme heat in San Antonio puts additional strain on commercial air conditioning systems, making regular service even more important for preventing breakdowns during peak summer months when your business needs cooling most. Regular maintenance catches small issues like dirty coils, worn belts, or low refrigerant before they cause system failures that shut down your operations.
A rooftop package unit houses all HVAC components—compressor, condenser, evaporator, and blower—in a single cabinet installed on your roof. A split system separates these components between an outdoor unit and an indoor air handler, requiring more indoor space and more complex installation. For commercial buildings in Bexar County, rooftop package units offer several advantages. They free up valuable indoor square footage that you can use for business operations instead of mechanical equipment. Technicians can access them for maintenance and repairs without disrupting your employees or customers. Installation is typically faster because everything’s pre-assembled at the factory. The main trade-off is exposure to weather, which is why regular maintenance becomes critical. Split systems may offer slightly higher efficiency ratings, but for most commercial applications, the space savings and convenience of rooftop units make them the better choice.
Commercial rooftop units typically last 15 to 20 years with proper maintenance. However, in Bexar County’s extreme heat, poorly maintained units often fail after just 9 to 12 years. The difference comes down to preventive care. Texas summers are brutal on commercial air conditioning systems. Your rooftop unit runs constantly during months of 95°F-plus temperatures, putting tremendous strain on compressors, fans, and electrical components. Add in exposure to weather, dirt, and debris, and you have conditions that accelerate wear. Regular maintenance—cleaning coils, changing filters, checking refrigerant, inspecting electrical connections—reduces this strain and extends equipment life. When you consider that replacing a commercial HVAC system can cost $15,000 to $45,000 or more, investing in maintenance that adds 5 to 10 years of service life makes financial sense. The businesses that get full lifespan from their rooftop units are the ones that schedule consistent professional service.
The most common causes of commercial rooftop unit failures in San Antonio are dirty coils, clogged filters, refrigerant leaks, economizer malfunctions, and electrical component failures—most of which are preventable with regular maintenance. Dirty condenser coils are particularly problematic because they force your system to work 30 to 40 percent harder to achieve the same cooling, eventually causing compressor failure. Clogged air filters restrict airflow, strain blower motors, and reduce system capacity when you need it most. Economizers, which bring in outside air for cooling when conditions allow, cause roughly 40 percent of commercial cooling issues but business owners rarely suspect them. Refrigerant leaks develop as copper lines corrode over time, and low refrigerant destroys compressors. Electrical problems—failed contactors, blown capacitors, loose connections—stop systems completely. The pattern is clear: most breakdowns result from neglect, not random bad luck. Business owners who schedule preventive maintenance catch these issues early, before they cause expensive emergency repairs or force operations to shut down.
Yes, we provide 24/7 emergency service for commercial HVAC systems throughout Bexar County. Commercial breakdowns don’t follow business hours, and we understand that your rooftop unit failing on a weekend, holiday, or middle of the night can mean lost revenue, uncomfortable employees, and unhappy customers. Our emergency response typically arrives within one hour, and our technicians carry fully stocked trucks with common commercial HVAC parts, which means we can often complete repairs on the same visit instead of making you wait days for parts to arrive. We’ve been serving San Antonio businesses for over 20 years, and we’ve seen how critical fast response is when your system goes down during peak business hours or extreme weather. Whether it’s a restaurant losing cooling during dinner service, an office building with no air conditioning on a 100-degree day, or a retail space that can’t open because the HVAC failed overnight, we’re available around the clock to restore your system and protect your operations.
Yes, our certified technicians are trained to service all major commercial HVAC brands and all types of commercial systems commonly found in Bexar County businesses, including rooftop units, split systems, packaged units, and multi-zone setups. Whether you have Trane, Carrier, Lennox, York, Daikin, or any other manufacturer, we have the expertise and equipment to diagnose problems, perform repairs, and provide maintenance. Commercial HVAC systems are more complex than residential equipment, with larger capacities, more sophisticated controls, and components designed for constant operation under heavy loads. That’s why working with a commercial HVAC contractor who has specific experience with rooftop package units matters. We understand how these systems operate, what fails most often, and how to fix problems efficiently to minimize your downtime. Our experience serving businesses across San Antonio for over 20 years means we’ve worked on virtually every brand and configuration of commercial rooftop unit you’re likely to have.
Need more information?
See More Reviews
See More Reviews
Call Now