by Patrick Federer | 10 November, 2025 | Field Devices, HVAC, HVAC Controls
Smart field devices are found more and more in modern HVAC installations. Contemporary HVAC and building automation systems depend on more than sophisticated software. The real intelligence often lies in the field, within actuators, sensors, flow meters, and leak...
by Patrick Federer | 29 September, 2025 | Air Quality Sensors, Field Devices, Indoor Air Quality
The Rising Importance of Indoor Air Quality Indoor Air Quality (IAQ) has become a defining factor in modern building management. The COVID-19 pandemic heightened awareness of airborne contaminants, making air quality not just a comfort issue but also a health and...
by Patrick Federer | 29 August, 2025 | HVAC, HVAC Controls, HVAC Efficiency
HVAC efficiency has improved dramatically in the last fifty years. In 1975, most HVAC plants ran at constant speed. Controls were crude and local. Efficiency metrics were rarely discussed outside design teams. Since then, performance has improved dramatically....
by Patrick Federer | 31 July, 2025 | controllers, HVAC, HVAC Controls
Heating, ventilation, and air conditioning (HVAC) systems play a key role in indoor climate control. Among the most energy-efficient HVAC systems is the Variable Air Volume (VAV) system. It delivers air at a constant temperature but varies the airflow based on a...
by Patrick Federer | 2 July, 2025 | Field Devices, Flow Meters, Water Flow Meters
Vortex flow meters are increasingly adopted in HVAC systems for their precision and reliability. Known technically as shedder-bar instruments, these meters detect vortices generated behind a bluff body placed in the flow. The MF series by Industrie Technik offers...
