Retro-Commissioning Improves Comfort and Efficiency

Building owners are always looking for ways to reduce energy costs, increase comfort, and improve indoor air quality, and there are many effective options to consider. Some businesses take advantage of incentive programs that are available through utility companies and other energy providers. Some invest in new energy-efficient HVAC, controls and plumbing equipment. And many others turn to one of the most effective solutions available: retro-commissioning. Retro-commissioning involves examining a facility or building as a whole to see how systems perform interactively, and making the necessary improvements required to perform to its design intent in the most efficient way possible. Most comm

Backflow Preventers and BFP Testing

The design intent of any pipeline or plumbing system is for its contents to flow in a specific direction. Backflow is the unwanted reversal of flow of liquid, solids, or gas from its intended direction into the potable water supply, often resulting in contamination. Periodic inspection and testing of backflow prevention devices is strictly regulated by local, state and federal agencies to ensure these devices are working properly. PJM Mechanical Contractors, Inc. is fully certified to perform backflow preventer testing and can assist customers with all BFP maintenance and repair needs. Backflow is usually caused by one of two main causes. Back siphonage occurs when there is a partial vacuum,

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 1688 5th Street | Ewing, NJ  08638 | Tel: 609.921.1394 | Fax: 609.530.1437

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