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Heating, Ventilation, and Air Conditioning Projects

Three new/under-utilized ground loop designs being evaluated for their ground loop cost reduction potential<br />
Credit: Oak Ridge National Lab
Advanced Ground Source Heat Pump Technology for Very-Low-Energy Buildings

Lead Performer: Oak Ridge National Laboratory - Oak Ridge, TN
Partners:
-- ClimateMaster - Oklahoma City, OK
-- Oklahoma State University - Stillwater, OK
-- Oklahoma Gas & Electric - Oklahoma City, OK
-- International Ground Source Heat Pump Association - Stillwater, OK
-- Chinese Academy of Building Research - Beijing, China
-- Tongji University - Shanghai, China
-- Tianjin University - Tianjin, China
-- Chongqin University - Chongqing, China

AS-IHP System Concept Sketch. Image credit: Oak Ridge National Laboratory
Air-Source Integrated Heat Pump

Lead Performer: Oak Ridge National Laboratory – Oak Ridge, TN
Partner: Lennox

Building-Integrated Heat & Moisture Exchange (SBIR Phase 2B)

Lead Performer: Architectural Applications – Portland, Oregon
Partner: Oregon State University – Corvallis, Oregon

Left: Environmental chamber to evaluate the performance of air-conditioning systems. Right: Compressor Calorimeter at ORNL. Source: ORNL.
CBERD: Advanced HVAC Systems

Lead Performer: Oak Ridge National Laboratory (ORNL) - Oak Ridge, TN
Partners:
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-- Lawrence Berkeley National Laboratory (LBNL) – Berkeley, CA
-- University of California Berkeley – Berkeley, CA
-- Carnegie Mellon University – Pittsburgh, PA
-- Rensselaer Polytechnic Institute – Troy, NY
-- Centre for Environmental Planning and Technology University – Gujarat, India

A conceptual vapor-compression cycle design (left of storage tanks) for the commercial integrated heat pump, as well as a conceptual representation of how this packaged rooftop unit would integrate with the water heating system of a commercial building (solar water heater optional). Image credit: Oak Ridge National Laboratory.
Commercial Integrated Heat Pump

Lead Performer: Oak Ridge National Laboratory – Oak Ridge, TN
Partner: Nortek Global HVAC – O'Fallon, MO

Compact Thermoelastic Cooling System

Lead Performer: Maryland Energy and Sensor Technologies, LLC – College Park, MD

Comparison of building energy use before and after GSHP retrofit (result from the case study for one of the ARRA-funded GSHP demo projects)
Credit: Oak Ridge National Lab
Data Analysis from Ground Source Heat Pump Demonstration Projects

Lead Performer: Oak Ridge National Laboratory - Oak Ridge, TN
Partners:
-- CDH Energy - Cazenovia, NY
-- University of Tennessee - Knoxville, TN
-- Cedarville Schools - Cedarville, AR (ARRA grantee)
-- Flathead Electric Cooperative - Kalispell, MT (ARRA grantee)
-- University at Albany - Albany, NY (ARRA grantee)
-- City of Raleigh, NC (ARRA grantee)
-- Montana Tech (ARRA grantee)
-- Oakland University - Rochester, MI (ARRA grantee)

High Efficiency Solid-State Heat Pump Module

Lead Performer: United Technologies Research Center – East Hartford, CT

High-efficiency Low Global-Warming Potential (GWP) Compressor

Lead Performer: United Technologies Research Center – East Hartford, CT

Credit: United Technologies Research Center
High-Performance Commercial Cold Climate Heat Pump

Lead Performer: United Technologies Research Center - East Hartford, CT
Partners: Carrier Corporation - Farmington, CT

Advanced permanent magnet motor technology will drive HVAC energy savings.
Higher Efficiency HVAC Motors

Lead Performer: QM Power, Inc. – Lee’s Summit, MO
Partners: United Technologies Research Center – East Hartford, CT

Tony Bouza, chair of the International Organizing Committee for the 11th IEA Heat Pump Conference, delivers the welcoming address in Montreal. (2014)
International HVAC&R R&D Collaboration

Lead Performer: Oak Ridge National Laboratory - Oak Ridge, TN
Partners:
-- International Energy Agency - Paris, France
-- International Institute of Refrigeration - Paris, France

Individual electrochemical compressor cells are arranged in stacks. (Image: Cary Zachary, 2015)
Low-Cost Electrochemical Compressor Utilizing Green Refrigerants for HVAC Applications

Lead Performer: Xergy Inc. – Seaford, DE
Partners:
-- University of Delaware - Newark, DE
-- Oak Ridge National Laboratory - Oak Ridge, TN

Mechanical Solutions, Inc.'s ultra-small centrifugal compressor concept will facilitate low-GWP refrigerant adoption.<br />Photo Credit: Mechanical Solutions, Inc.
Low-Global Warming Potential HVAC System with Ultra-Small Centrifugal Compression

Lead Performer: Mechanical Solutions Inc. – Whippany, NJ
Partners: Lennox International Inc. – Richardson,

Membrane Based Air Conditioning

Lead Performer: Dais Analytic Corporation – Odessa, FL
Partners:
-- Oak Ridge National Laboratory – Oak Ridge, TN
-- Xergy Inc. – Seaford, DE

The University of Maryland used direct metal printing—a 3D printing technology—to manufacture a unique miniaturized air-to-refrigerant heat exchanger as a single, continuous piece. Image: University of Maryland, Center for Environmental Energy Engineering.
Miniaturized Air to Refrigerant Heat Exchangers

Lead Performer: University of Maryland - College Park, MD
Partners:
-- Oak Ridge National Laboratory - Oak Ridge, TN
-- Luvata - Grenada, MS
-- International Copper Association - New York, NY
-- Wieland - Ulm, Germany
-- Heat Transfer Technologies - Abington, PA

Thermolift: Developing the Ultimate Heat Pump
Natural Gas Heat Pump and Air Conditioner

Lead Performer: Thermolift - Stony Brook, NY
Partners:
-- New York State Energy Research & Development Authority - Albany, NY
-- Stony Brook University - Stony Brook, NY
-- Oak Ridge National Laboratory - Oak Ridge, TN
-- National Grid - Washington, DC
-- Applied Thermodynamic Apparatus (ATA) - Ann Arbor, MI
-- Fala Technologies - Kingston, NY
-- LoDolce - Saugerties, NY

Credit: S-RAM
Natural Refrigerant High-Performance Heat Pump for Commercial Applications

Lead Performer: S-RAM - Franklin, TN
Partners:
-- Oak Ridge National Laboratory - Oak Ridge, TN
-- Purdue University - West Lafayette, IN
-- ReGen Power - Canning Vale 6155, Western Australia

A typical commercial rooftop air-conditioning unit (RTU)
Credit: Oak Ridge National Lab
Next Generation Rooftop Unit

Lead Performer: Oak Ridge National Laboratory - Oak Ridge, TN
Partners: Trane Company, Ingersoll Rand Inc. - Davidson, NC

Novel Solid State Magnetocaloric Air Conditioner

Lead Performer: Oak Ridge National Laboratory, Oak Ridge, TN
Partners: Vaccumschmelze GmbH & Co. KG., Hanau, Germany

Sandia's Radial Flow Heat Exchanger
Radial Flow Bearing Heat Exchanger

Lead Performer: Sandia National Laboratories - Albuquerque, NM
Partners:
-- Tribologix - Golden, CO
-- United Technologies Research Center - East Hartford, CT
-- University of Maryland - College Park, MD
-- Oak Ridge National Laboratory - Oak Ridge, TN
-- Whirlpool - Benton Harbor, MI
-- Optimized Thermal Systems - College Park, MD

Purdue prototype system
Residential Cold Climate Heat Pump with Variable-Speed Technology

Lead Performer: Unico Systems - St. Louis, MO
Partners:
-- Oak Ridge National Laboratory - Oak Ridge, TN
-- Purdue University - West Lafayette, IN
-- Emerson Electric - St. Louis, MO
-- Invention House - St. Louis, MO

Rotary Vapor Compression Cycle Technology: A Pathway to Ultra-Efficient Air Conditioning, Heating and Refrigeration

Lead Performer: Sandia National Laboratories, Livermore, CA
Partners: Creative Thermal Solutions, Urbana, IL

Photo of the prototype cold climate heat pump outdoor unit, installed at the Ohio field test site in January 2015. <br />Credit: Oak Ridge National Laboratory
Split-System Cold Climate Heat Pump

Lead Performer: Oak Ridge National Laboratory - Oak Ridge, TN
Partners:
-- Unico Systems - St. Louis, MO
-- Emerson Electric - St. Louis, MO