HI-VIS · UNION MADE · PATENTED
Engineered for Airflow.
Built for the Industry.
U.S.-made HVAC duct hardware and components designed for performance, reliability, and easier installation.
stand-off regulators
True blade position.
Faster installation.
A more secure system.
HVAC Duct Hardware
& Balance Components
Since 1996, WindGate Products has designed and manufactured HVAC/R duct hardware and air-balance components at our facility in San Fernando, California. Several of our designs are patented, our products are SMACNA verified, and everything is proudly made in the U.S.A. — the complete package of quality, pricing, customer service, and lead times.
Design & Engineering
In-house tooling and patented designs, from the Sure-Loc quadrant to the sealed stamped blade.
Stamping & Fabrication
Reinforced stamped blades, collars, and hardware in galvanized, stainless, aluminum, and brass.
Assembly & Kitting
Fully assembled sleeves, pre-assembled blades, and buildable kits packed to your OEM spec.
Quality & Service
SMACNA verified, union craftsmanship, and lightning-fast lead times that keep projects moving.
Made in USA
Proudly manufactured in Southern California
In-House Engineering
Solutions for standard and custom applications
Worldwide Distribution
Serving HVAC markets globally
Trusted & Verified
SMACNA member. Quality you can count on
Product Families
Everything behind a reliable damper system.
Windgate manufactures the blades, regulators, bushings, hardware, reinforcement components, and complete sleeve assemblies that keep duct systems moving and balancing air.
Stamped Damper Blades
Continuous rod, jiffy, sealed, and rectangular stamped blades.
Explore Blades
Stand-Off Regulators
SURE-LOC self-locking quadrants, Twist, and Econo stand-offs.
Explore Regulators
Bushings & Bearings
Nylon, low-leakage, die-cast, and all-steel bushing options.
Explore Bushings
Damper Hardware & Clips
Rods, clips, jiffy hardware, paddle hardware, and starter collars.
Explore Hardware
Duct Reinforcement Hardware
Condu Clamp and Condu-Plug reinforcement solutions.
Explore Reinforcement
Fully Assembled Sleeves
Manual, sealed, Jiffy, and buildable round damper systems.
Explore SleevesFeatured Innovation
SURE-LOC Stand-Off Regulators
The original self-locking quadrant. SURE-LOC holds the blade in position with a built-in QUICK TURN mechanical lock for installation confidence and long-term reliability.
- 15 locking positions
- Hi-Vis handle for easy identification
- Multiple mounting options (GP, HD, Econo)
- Rugged, dependable performance
A small part
that makes a big difference.
How It Works Together
From individual components to a finished assembly.
Windgate's product families are designed to work together, giving customers flexible component choices or complete, ready-to-install sleeve assemblies.
Engineering & Manufacturing
Custom Solutions. Real-World Expertise.
From standard components to custom configurations, Windgate works with distributors, contractors, and OEMs to solve real airflow challenges. In-house engineering and manufacturing capabilities deliver quality, consistency, and responsive support.
Resources & Support
Technical Information at Your Fingertips.
Product catalogs, technical drawings, specifications, and more: everything you need to design, specify, and install with confidence.