PORTLAND, Ore.—MEMS startup Microstaq Inc. is pioneering promising new markets, using its micro-valve as a pilot to control the large flows necessary to tackle the lucrative heating, ventilation and ...

Programmable thermostats that can be accessed through an internet device are old hat. Manufacturers now have technology that lets contractors monitor HVAC systems remotely, apps that link them ...

HVAC systems continue to be the most challenging part of a new construction project to get right the first time, and the most challenging parts of the HVAC systems are their controls. I believe there ...

This paper highlights the system requirements and operating conditions of automatic air recirculation valves and reviews compatibility of existing calculator types with these requirements. When ...