The Oak Ridge National Laboratory (ORNL) High-Ambient-Temperature Evaluation Program for Low-Global Warming Potential (Low-GWP) Refrigerants aimed to develop an understanding of the performance of low-GWP alternative refrigerants relative to hydrochlor...
This report characterizes the current landscape and trends in the global air conditioning (A/C) market, including discussion of both direct and indirect climate impacts, and potential global warming impacts from growing global A/C usage.

The Department of Energy commissioned a technology characterization and assessment of appliances used in commercial buildings for cooking, cleaning, water heating, and other end-uses. The primary objectives of this study were to document the energy con...
This publication is a final report for Oak Ridge National Laboratory’s High-Ambient-Temperature Evaluation Program for Low Global Warming Potential (Low-GWP) Refrigerants project.
This report provides the Building Technologies Office (BTO) and the research and development (R&D) community with a technical and market analysis ...
This report identifies and characterizes R&D opportunities with HVAC&R joining technologies for the Building Technologies Office (BTO) to pursue.
This report describes the first design of a refrigerator condenser using the Sandia Cooler – an air-bearing supported rotating heat-sink impeller.
This report outlines the technical opportunities for building assets to seamlessly integrate and transact with grid operations.
Identifying alternatives to vapor-compression technology in residential and commercial HVAC applications.
This market assessment and commercialization report characterizes and assesses the market potential of the rotating heat exchanger technology developed at Sandia National Laboratories (SNL), known as the Radial Sandia Cooler. The RSC is a novel, motor-...