Consulting-Specifying Engineer‘s top 5 content over the past week covered HVAC, electrical power systems, arc flash, smoke damper and more.

1. Regulating HVAC with VRF – Variable refrigerant flow systems have a lot to offer as an alternative HVAC system.

2. Safety in the design, maintenance of electrical power systems – Safety is the key component of all electrical power systems and must be included in the design — and maintained through the electrical system’s life.

3. Arc Flash Studies: Why and when do I need them? – Henderson Engineers outlines the purpose of an arc flash study.

4. Benefits of using professionals for smoke damper investigation and repair services – Smoke damper testing is often overlooked, which can lead to dangerous situations in buildings should a fire incident occur. Testing, though, is a complex process and is best left to professionals who know and understand the codes.

5. Case study: Cost comparison of power feeder installations – Experienced designers and contractors will choose power distribution feeders to meet the specific needs of a project.

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