Zonefirst has new A2L products engineered to ensure full compliance with new standards while maintaining system performance: • Twenty-four-volt spring-return damper systems: For systems using 24V ...

CHANTILLY, Va. — The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA), an organization dedicated to the sheet metal and air conditioning industry, announced the sixth ...

The Combination Fire/Smoke Dampers combine two dampers in one. The two-position device is tested to 5,000 cycles, intended to prevent the spread of fire (UL 1-1/2-hour fire rating), as well as smoke ...

If your building is not pressurized correctly, your HVAC system works harder to maintain heating and cooling, wasting energy and running up your utility bill. To fix pressure issues, check for failed ...