Variable Refrigerant Flow

Variable Refrigerant Flow (VRF) is an energy efficient heating, cooling, and ventilation (HVAC) system which delivers precise temperatures to individually controlled zones. Widely used in Japan and Europe, VRF technology has been slowly introduced in the United...

Building Management Systems

Building Management Systems (BMS) are most commonly installed in large buildings but with advances in technology, are very cost effective in even the smallest of buildings. Their function is to manage the environment within the building by time of day operation,...

Solder System vs. Press Fit Technology

New installation methods in the market today offer the customer several options when considering domestic water piping systems for new construction or an existing facility. While there are several variations, this article focuses upon the conventional method of copper...

Demand Controlled Ventilation

If your facility is using a traditional ventilation system, the system will operate at a consistent ventilation rate (preset rate of outside air constantly brought into the space) based on an assumed level of occupancy. Consistency is good, unless building occupancy...

The Bullitt Center Pursues Living Building Certification

The Bullitt Center is billing itself the “Greenest Commercial Building in the World”. Located in Seattle, this extraordinary facility boasts net zero energy, net zero water, and net zero waste. The building itself is designed to improve the health of its occupants...