Coil Guard is a patented HVAC filtration technology that keeps air-intake systems clean while maintaining consistent airflow and system performance. Designed for long-term durability, it minimizes maintenance, protects equipment, and supports efficient operation year after year.
Air-intake contamination is one of the most common causes of HVAC inefficiency, unplanned service calls, and premature equipment wear. Coil Guard addresses this problem at its source by preventing debris from ever reaching the coil—without restricting airflow.
Unlike traditional filters or screens that clog, Coil Guard uses a unique fibrous structure that captures large, harmful debris while allowing fine particles to pass through. The result is cleaner coils, stable system performance, and reduced operational disruption.
Coil Guard is engineered to deliver consistent airflow and protection over its full lifecycle.
Even under heavy contamination, monitored systems have demonstrated no measurable increase in head pressure after a full year of operation—a clear indicator of sustained efficiency.
Coil Guard significantly reduces the need for coil cleaning and preventative maintenance.
This performance has been validated at scale, with over 38,000 HVAC units installed at The Home Depot, where Coil Guard technology has been in continuous use for 13 years, reducing preventative maintenance from quarterly to once annually.
Coil Guard’s patented fibrous construction is purpose-built for real-world operating environments:
Capture what matters. Let the rest pass through.
Coil Guard is designed to perform in demanding conditions while maintaining a clean, professional appearance.
Manufactured and designed in the United States, Coil Guard is built to last in harsh environments.
Coil Guard is one component of Tune’s integrated Energy Tech and Facility Services offering—focused on improving power quality, reducing operational strain, and streamlining facility management across portfolios.
