Each owner who has spent millions of dollars on a new or refurbished building has every right to expect that the mechanical systems will keep tenants comfortable, while delivering every Btu and saving every kilowatt-hour possible. Commissioning agents make sure it really does happen that way.

One type of starting relay used on fractional-horsepower compressors is the current relay. A defective current relay can cause a compressor not to start. One popular method of troubleshooting this type of starting relay is with an ohmmeter.

A series of demolition screwdrivers is designed to take and deliver a beating. Engineered, manufactured, and tested for prying and chiseling, the screwdriver design transfers impact force directly to the work surface. A plated metal strike cap protects the handle from hammer blows.

Matchbox-sized, the HOBO® UX90 motor on-off logger is an LCD-display data logger for monitoring run-times of motors, pumps, compressors, and other equipment. The logger provides a simple and convenient way to record up to 340,000 equipment on-off cycle changes.

Combination hot-wire anemometer and psychrometer accessory head AAT3 gets into ducts easily. It can be used for measurement of air velocity, temperatures, and percent rh. It also calculates wet bulb and dew point. When connected to the HG3 HVAC Guide, it provides data for automatic calculations of target superheat and more.

A 24-page Spanish language brochure showcases the company’s extensive capabilities in the design and manufacture of dust collectors for a wide range of processes. It describes how the manufacturer’s dust collection systems solve dust and fume challenges in blasting, chemical processing, custom OEM, and more.

As part of its “disruptive innovation” emphasis of recent years, Milwaukee Tool pledges to bring out “more new products faster” than any competitor. What's the latest from the manufacturer?

For joining cross-linked polyethylene (PEX) tubing, a plastic PEX Press system that includes the company’s Smart Connect feature, is available. The Smart Connect feature enables installers to easily spot unpressed connections during pressure testing by allowing water to flow past the fitting on a missed connection.

The Multimatic™ 200 is an all-in-one portable multiprocess welding power source capable of performing MIG, Stick, and TIG welding processes. The Auto-Set Elite feature allows operators to quickly and easily set weld parameters based on material type and thickness, as well as fine-tune those parameters.

Hand-held and battery-operated, the Draft Simulator can calibrate and test adjustable and factory-set pressure switches. It produces a sustainable vacuum pressure, allowing HVAC technicians to simulate the pressures draft inducers produce on furnaces while determining when pressure switches open and close.