Resources

50-Ton Rooftop Unit Replacement and Building-Wide HVAC Partnership   Challenges & Needs   A multi-tenant, three-story commercial building in the West 1604 area required a new HVAC vendor after experiencing ongoing performance concerns with an aging rooftop unit. The primary system serving the south zone of the building was a 50-ton Carrier rooftop unit that […]

Proactive building maintenance protects your investment, keeps systems running efficiently, and ensures comfort and safety for everyone in your home or building. Waiting for problems to appear often leads to costly repairs, downtime, and stress. A planned maintenance program addresses these challenges head-on. Here are 10 essential benefits to consider in 2026. Prevent Costly Breakdowns […]

In any commercial building, the ductwork plays a key role in maintaining comfort, air quality, and energy efficiency. Over time, however, ducts can develop leaks, blockages, or general wear and tear that impact performance. Learning how to identify potential issues in advance will equip you to make informed decisions on duct repair and/or replacements that […]

In commercial environments, downtime isn’t an option. When boilers, generators, or kitchen appliances lose gas pressure, operations can slow or stop entirely, costing time, money, and customer trust. Proper gas line sizing ensures every system receives the fuel supply it needs to run safely, efficiently, and within code. At Shafer Mechanical, our licensed plumbers bring […]

At Shafer Mechanical, our story is rooted in San Antonio history, but our focus is on the future. What began as a family legacy over a century ago has evolved into a thriving commercial HVAC and plumbing company dedicated to supporting the businesses that keep South Texas running. As we continue to grow, we are […]

Challenges & Needs A customer in the Austin, Texas area requested a service call for a failed rooftop AC unit. The unit was 15 years old and had multiple failed parts, and total replacement was the best solution. Temporary measures were enacted to keep the unit cooling to give the customer time to make an […]

A well-functioning commercial HVAC system isn’t just a convenience for commercial buildings; it’s a necessity. In warm climates like San Antonio, where sweltering summers and rising temperatures can take a toll on tenants, employees, and equipment, a reliable and efficient HVAC system can make or break tenant satisfaction, energy costs, and overall property performance. If […]

At Shafer Mechanical, we specialize in installing high-performance commercial air conditioning systems tailored to the specific needs of businesses throughout Texas. Whether you’re upgrading an outdated system or installing a new one for a growing facility, our expert team ensures a seamless process from start to finish. Here’s a breakdown of how commercial air conditioners […]

Shafer Services is proud to announce Ed Weber, accomplished commercial projects manager and HVAC/Plumbing industry veteran, is joining our Shafer Mechanical team.

A multifamily housing property managed by a prominent apartment group faced one of the most severe sewage backups Shafer Mechanical has ever encountered. The issue not only caused significant inconvenience to tenants but also required immediate and comprehensive intervention to prevent further health hazards and operational disruptions.

Shafer Mechanical, a subsidiary of Shafer Services Plus, is proud to announce that we’ve been honored as a Top Workplace for 2024 by San Antonio Express-News! This recognition is based entirely on employee feedback collected through a confidential survey conducted by Energage LLC, a leader in employee engagement. The survey evaluated key areas of the […]

Challenges & Needs A prominent property management company was experiencing repeated failures in their HVAC system, specifically with their compressors. Instead of identifying the root cause, previous service providers were simply swapping out compressors, which led to ongoing system failures. This persistent issue significantly affected the tenants, leading to unreliable air conditioning and, ultimately, a […]

When it comes to cooling and heating large spaces, both traditional HVAC systems and modern VRV/VRF technologies offer distinct advantages. Choosing the right system for your commercial building can have a significant impact on energy efficiency, comfort, and cost-effectiveness. At Shafer Mechanical, we specialize in helping clients understand and select the best system for their […]

As schools strive to create optimal learning environments, the importance of modern, efficient HVAC systems cannot be overstated. Outdated systems not only compromise the health and comfort of students and staff but also burden schools with higher operational costs. With the growing recognition of these challenges, there is a pressing need for upgrades that ensure […]

At Shafer Mechanical, we understand the critical role that a clean and functional sewer drain system plays in maintaining the health and efficiency of any commercial property. Over time, sewer lines can become clogged with debris, grease, and other materials, leading to blockages that can disrupt your operations and cause significant damage. One of the […]

A major communications company, dissatisfied with their current commercial water softener vendor, sought a second opinion from Shafer Mechanical. Despite a long-standing relationship with their vendor, they rarely saw any maintenance work being performed and questioned the effectiveness of their water softener system.

At Shafer Mechanical, we specialize in commercial HVAC systems, focusing on cooling towers. These towers are vital for maintaining a comfortable and efficient environment in large buildings and manufacturing processes. Here’s a detailed guide to understanding cooling towers and their maintenance.

Managing commercial heating systems effectively is crucial for the operation and comfort of any facility. In this blog, we explore the pivotal roles of boilers and pumps, and delve into the common problems that can affect these systems. From no heat scenarios and leaks to strange noises and system inefficiencies, understanding these issues is the […]

In the bustling world of commercial building management, attention often gravitates towards the visible and urgent – the aesthetics of the facade, the efficiency of the HVAC systems, or the security of the premises. Yet, lurking beneath the surface, an often overlooked but critical component to the health and operational efficiency of every building plays […]

In the dynamic realm of healthcare, the quest for excellence in patient satisfaction extends beyond the confines of clinical outcomes to encompass the entirety of the patient’s experience. This comprehensive exploration delves into the pivotal role that facilities management, particularly through the prisms of mechanical HVAC and commercial plumbing systems, plays in shaping patient perceptions […]

In the scorching heat of San Antonio, where energy costs have surged due to a variety of factors, local businesses find themselves grappling with inflated budgets. The aftermath of an exceptionally hot summer, coupled with inflation and a 3.85% increase in gas and electric rates in 2022, has placed a strain on both large and […]

Over the past five years the commercial division of Shafer Services Plus, Shafer Mechanical, has grown at over 40% per year. This unprecedented growth positioned Shafer to support the hiring of four new experienced team members and continue to fill the growing demand for quality commercial services in San Antonio and Central Texas.