Case Studies
BesTech deployments and the energy savings they delivered. Click any card to download the full case study PDF.
Adding VFD and Increasing Control Band Extend Rooftop Unit Lifespan up to 40%
Adding variable frequency drives (VFDs) to the indoor fan and compressors, combined with increasing the temperature control band, can have a substantial impact on reducing cycling and extending the lifespan of a rooftop unit (RTU).
Download case study (PDF) →Digi-RTU 4.0 Released
Digi-RTU 4.0 technology demonstration deployed across fourteen (14) units at six (6) gas stations and fast-food restaurants in Omaha, NE between November 2023 and February 2024. System performance monitored via Digi-SBM remote monitoring.
Download case study (PDF) →Digi-RTU Saved 2,100,000 kWh/yr
Facility in Texas with 108 rooftop units and 1,955 tons of cooling capacity. BesTech installed Digi-RTU optimizers on the compressors and indoor fans to improve indoor humidity control and reduce building energy consumption.
Download case study (PDF) →Digi-RTU Reduced 1,200,000 kWh/yr
A 242,000 square foot building consisting of production areas, offices, and ancillary spaces. Twenty-one (21) Roof Top Units totaling 1,094.5 tons of cooling capacity were retrofitted with Digi-RTU optimizers.
Download case study (PDF) →Digi-RTU Saved 825,000 kWh/yr
Facility in Orlando, FL with sixty-seven (67) rooftop units and a total cooling capacity of 1,331 tons. BesTech installed Digi-RTU optimizers for compressors and indoor fans to improve temperature control and reduce energy.
Download case study (PDF) →Digi-CRAC Reduced CRAC Energy 46%
A data center in NJ with two switch rooms, each served by six (6) 22-ton Liebert CRAC units. Digi-CRAC and Digi-CFC controllers including VFDs were installed for the six units in switch room 1. Second test approved by the network team.
Download case study (PDF) →Digi-CRAC Reduced CRAC Energy 34%
Installed the Digi-CRAC Optimizer on each Liebert Air Conditioning Unit. Implemented BesTech Digi-CRAC Control Technology to deliver substantial energy reductions in the data center cooling load.
Download case study (PDF) →Digi-DXR Reduced Refrigeration Energy 35%
Since August 2024, Digi-DXR has been implemented in two refrigeration systems at a poultry processing plant: System A with two SW1L5000-L4 compressors (37 kW each, three-step slide valves); System B with two SWL7000-L4 compressors (52 kW each).
Download case study (PDF) →Digi-DXR Reduced Refrigeration Energy 31%
A typical fruit storage deployment for a large fruit distribution company. The demonstration system, located in a hot climate, maintains a space temperature of 40°F using a Bitzer reciprocating compressor (model 4PES-15-40P) at 11.4 kW with electrical-defrost evaporators.
Download case study (PDF) →Want to discuss a deployment for your facility?
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