Newsletter Archive
Aspen Manufacturing Introduces New Versa Pro™ Convertible Technology Coils + Air Handler Systems

Houston, TX, August 12, 2025—Aspen Manufacturing announces the immediate availability of the new Versa ProTM convertible coils and air handler systems. Aspen’s Versa ProTM technology systems can be converted to use either R-32 or R-454B refrigerant. The dual refrigerant capability delivers unprecedented flexibility for both new and retrofit installations. Aspen is a wholly owned subsidiary of RectorSeal.
Versa ProTM systems can be factory- or field-convertible to use either R-32 or R-454B refrigerant coupled with a proper metering device and a Refrigerant Detection System (RDS), providing outstanding installation flexibility.
The introduction of Aspen’s Versa ProTM technology marks a significant advancement in HVAC/R capabilities, offering versatility and adaptability to HVAC distributors and contractors. With a focus on compatibility and ease of installation, Versa ProTM systems aim to streamline the transition to next-generation refrigerants without sacrificing reliability or energy efficiency.
Designed with both performance and sustainability in mind, the Versa ProTM systems feature robust construction. With ETL certification and full compatibility with both R-32 and R-454B refrigerants, the Versa ProTM technology provides peace of mind regarding safety and compliance.
“When HVAC contractors ask for Aspen, they expect industry-leading technology coupled with ease of installation,” said Jason Makowski, Vice President of Product Management at Aspen. “Contractors can now confidently select coils and air handler systems that meet current standards, regardless of their preferred A2L refrigerant.”
REDUCE INVENTORY. INCREASE FLEXIBILITY. BOOST PROFITS.

Stop stocking separate coils for R32 and R454B systems. Aspen’s new Versa Pro technology lets you feild-configure ONE universal coil for BOTH A2L refrigerants. Ideal for use with both Aspen coils and Air Handlers.
✅ UNIVERSAL DESIGN
Works with R32 and R454B systems
✅ FIELD CONFIGURABLE
Convert on-site (with proper metering device)
✅ UL 60335-2-40 COMPLIANT
Dual safety certified
✅ AHRI RATED
Full system compatibility
✅ BUILT-IN REFRIGERANT DETECTION SYSTEM (RDS)
Complete A2L safety solution

About Aspen Manufacturing
Founded in 1975 and headquartered in Humble, Texas, Aspen Manufacturing, a wholly owned subsidiary of RectorSeal, LLC, is one of the largest independent producers of evaporator coils and air handlers in North America. Aspen designs and manufactures a broad range of high-quality residential and light commercial evaporator coils and air handlers under the Aspen and Airmark brands, with products sold through a trusted network of wholesalers and distributors across the United States and Canada. Learn more at www.aspenmfg.com and www.airmark-ac.com.
About RectorSeal
RectorSeal, LLC, a wholly owned subsidiary of CSW Industrials, Inc. [NYSE: CSW], is a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets. For more information about RectorSeal’s innovative products and brands that increase efficiency and improve reliability, please visit www.RectorSeal.com.
About CSW Industrials
CSW Industrials is a diversified industrial growth company with industry-leading operations in three segments: Contractor Solutions, Specialized Reliability Solutions, and Engineered Building Solutions. CSW provides niche, value-added products with two essential commonalities: performance and reliability. The primary end markets we serve with our well-known brands include HVAC/R, plumbing, electrical, general industrial, architecturally-specified building products, energy, mining, and rail transportation. For more information, please visit www.cswindustrials.com.