NFPA 72 2023 edition
NFPA 72 requires differential pressure testing of duct detector sampling tubes. While not often enforced nor fully understood, your team should be equipped to know how to do it when called upon.
Where to find it: NFPA 72 2023 edition, table 14.4.3.2.17.7(e). Test duct smoke detectors that use sampling tubes to ensure that they will properly sample the airstream in the duct using a method acceptable to the manufacturer or in accordance with their published instructions.
January 14, 2025
For mechanical contractors, the busy season is a great opportunity to show customers that they can rely on you, but the increased workload creates a lot of stress for employees and customers, especially during a skilled labor shortage. Here we explore some innovative ways to balance the stress between supply and demand and optimize workflows […]
December 10, 2024
There are many HVAC and mechanical trade shows vying for your attention and attendance. And we know it would be great to attend them all as these events are so often valuable and invigorating—but we also know that’s not normally possible. Too many shows, too little time, and a limited budget! That’s why we’ve compiled […]
October 29, 2024
Here’s how ServiceTrade’s powerful platform and recommended actions from our 2024 Benchmark Reports can help your business grow faster.