Built for Every Job. Trusted on Every Site.

From single-family homes to massive distribution centers, RLS press fittings are engineered to perform under pressure, no matter the setting. Designed specifically for HVAC and refrigeration, our press-to-connect fittings streamline installs, simplify service calls, and provide lasting performance contractors rely on.

And because there’s no flame, no hot work permits, and no waiting on cooldowns, RLS is ideal for fast-paced service work, too. Whether it’s a tight attic, a busy restaurant, or a rooftop in the middle of summer, techs can make quick, clean, permanent connections and move on to the next job.

Residential Systems

Press fits that perform where families live.

Whether it’s a new heat pump install, a mini-split retrofit, or a full HVAC system replacement, RLS makes home installs faster, cleaner, and safer. No flames near drywall, no need for fire spotters just efficient, leak-proof connections that help contractors finish the job faster and reduce callbacks.

Common residential uses:

  • New home construction
  • HVAC system retrofits and upgrades
  • Mini-splits and heat pump installations
  • Attic, crawlspace, or closet mounted units

RLS press fittings allow contractors to make connections in residential spaces safely and confidently.

Commercial Applications

Fast connections for fast-paced projects.

In commercial settings, every delay costs time and money. RLS press fittings help contractors meet demanding project schedules without compromising on quality or safety. Our flame-free, press-to-connect solution is ideal for busy job sites where speed, access, and code compliance are key.

Perfect for a wide range of commercial environments:

  • Hotels and resorts
  • Health Care Facilities
  • Multi-family housing and apartment complexes
  • Office buildings and tenant fit-outs
  • Mixed-use developments
  • Walk-in coolers and freezers
  • Rooftop HVAC units
  • VRF and multi-split systems

Whether you’re upgrading an HVAC system in a high-rise or completing a fast-turn renovation, RLS helps you get in, get out, and move on — faster, safer, and with lasting confidence.

Watch our Vlog

Industrial Projects

Engineered for complex systems and critical environments.

Industrial facilities require rock-solid performance and safety compliance, and RLS delivers. Our fittings are certified for high-pressure systems, including those using 1-⅝” and 2-⅛” piping, making them ideal for demanding projects like data centers, cold storage warehouses, and process cooling systems.

Industrial applications include:

  • Cold storage and food distribution
  • Data centers
  • Warehouse distribution centers
  • Pharmaceuticals and biotech labs

One Connection, Infinite Confidence

Wherever HVAC/R systems are installed, RLS press fittings are getting the job done quickly, safely, and reliably. With more than 20 million fittings installed globally, pros trust RLS across all segments of the industry.