CASE STUDY
How The AIRSYS UNICOOL System Saves a Fiber Network Facility $11,700 Annually
In the fall of 2018 our AIRSYS Field Services team met a long time client on site to discuss replacing the end of life (EOL) HVAC equipment with AIRSYS UNICOOL systems. The site was primarily being cooled by (2)AAON 15 ton Roof Top Units (RTU) that were ducted into the facility along with...
WHITE PAPER
Inverter Driven Technology for Telecom Shelters
With the continuous convergence and improvements of the existing 4G network and the intensive deployment of the 5g network infrastructure, telecom shelter equipment manufacturers have been responding to the new stringent energy code demands to ensure their new structures perform to the most precise expectations of specifying engineers...
CASE STUDY
How Free Cooling Reduced the HVAC Energy Use at a Data Center Site In Helena, MT by 60%
In a land well known for the thriving streams and the outdoor grandeur of the rustic surroundings, Montana, or Big Sky Country, will always remain a special place. Although data centers are not a part of the beautiful views, they have now become a necessity in the land’s ecosystem that relies on network data...
WHITE PAPER
Enhanced Dehumidification: Optimizing Humidity Control for Variable Speed AC Systems in Humid and Temperate Environments
While its commonly understood that variable speed AC systems driven by inverter technology are quieter and helps prevent common and yet uncomfortable temperature swings in conventional AC units...
WHITE PAPER
Integrated Sequence of Operation: Coordinating Multiple AIRSYS Lead/Lag HVAC Controllers to Achieve Desired Control Scheme
While employing multiple lead/lag HVAC controllers for larger rooms has the benefit of added control and monitoring redundancies, care must be taken to coordinate...
WHITE PAPER
Intelligent Free Cooling: Fine-tuning Direct Outside-Air Free Cooling with Two Layers of Environment Protection
While free cooling with direct outside air is extremely efficient for cooling remote cell sites and small equipment rooms, care must be taken in locations where air contamination is an issue. Due to the risk of clogged filters causing diminished cooling capacity and high temperature alarms...
TECHNICAL PAPER
Precision vs. Comfort Cooling and the Beneficial Use of Intelligent Free Cooling
Precision air conditioners are air conditioners designed for special rooms that require constant temperature, humidity, and cleanliness. Understanding the difference between comfort cooling and precision cooling can be a major factor in reducing energy consumption in data centers and other precision...
WHITE PAPER
Effect of Supply Temperature Control on Energy Efficiency for Small Equipment Shelters
The effect of supply air temperature control for HVAC systems have on energy efficiency for typical small telecom shelter is studied. Two options for indoor sensor studied: (1) traditional placement on wall between HVAC units, averaging shelter temperature, and (2) in the geometric center of equipment intake....