White Papers

AHRI Standard 1230 Proceedings 2018-2019: VRF Equipment Ratings versus Measured Efficiency

Significant Concerns: AHRI/ANSI Standard 1230 Performance Rating of Variable Refrigerant Flow (VRF) Multi-Split Air-Conditioning and Heat Pump Equipment

Controlling Capital Costs in High Performance Office Buildings

Don’t Believe VRF Manufacturers Claims of Superior Energy Efficiency

UMass dedicates new net-zero economics department building

Radiant Heating & Cooling For Net Zero Buildings

Energy Performance of Commercial Buildings with Radiant

Evaluating Life Cycle Cost of Various HVAC Systems on the Basis of Energy Use, First Cost and Life Expectancy

GeoMicroDistricts Feasibility Study created by Buro Happold for HEET, Cambridge, Mass (used with permission)

Water-based HVAC Systems Are Naturally:

Energy Efficient

Comfortable and Productive

Safe and Reliable

Versatile and Integrated

Lowest Cost and Most Budget Wise

Sustainable

Projects and Case Studies

Hydronic systems use fluid or steam as the medium for the final heat-transfer

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