These VRF units feature DC, inverter-driven compressors for precise temperature control. They are available in up to 3,280 feet (1,000 meters) of total piping length and include up to 36 indoor connections, which make them easy to install, network, and maintain.
These 150- to 2,500-gallon electric water heaters are available from 12 to 162 kW and feature internal fusing (above 120 A) and magnesium anode rods. The water heaters also offer immersion thermostats; a manual reset high limit; a hinged, lockable door; and a channel iron skid base.
Variable-speed technology has the obvious benefit of providing users with additional choices when it comes to running their HVAC equipment. Rather than one setting that runs at 100 percent all the time, variable-speed allows for layered, configurable settings.
The scale of energy consumption may be more of a surprise, though, as estimates show that data center spaces can consume up to 100-200 times as much electricity as standard office spaces. With that large amount of power being used by a growing number of data centers, the pressure is on to implement energy-efficient design measures that can save money and reduce electricity use.
Major growth, expansion projected for AC Drives across the country over the next decade
February 6, 2017
AC drives are an essential part of the HVAC marketplace, and the growth of the market looks to be exceptional over the next few years. According to MarketsandMarkets, the market is expected to grow from an estimated $15.72 billion in 2016 to $22.07 billion by 2021.
New ice rinks generally use ammonia as a refrigerant, but R-22 was the choice for many years, and the ice making systems in older rinks can contain several thousand pounds of R-22. In the approaching cold, hard reality of a post-R-22 world, how will rinks keep their ice cold and hard?
This close-coupled, horizontal, end suction pump is designed for service in general pumping, chemicals, wash systems, deionized water, process, and OEM applications. It is designed for long life in tough services with flows to 240 gallons per minute (GPM).
Four contractors from four regions are represented
January 30, 2017
Successful HVAC contracting companies operate like well-oiled machines. Employees enjoy coming to work and give their all while there. The owners of these companies excel at creating places of employment that exhibit an outstanding commitment to customers and staff. These leaders nurture jobs into careers, offering lifelong employment that extends well beyond just a paycheck.
Hunter’s founding of Hunter Heat & Air in 2006 was a classic HVAC industry start-up: himself, his brother-in-law, and one truck. Today, Hunter is the co-owner — along with his wife and vice president, Nicola — of a company with four locations, 32 employees, and annual sales of $5 million.