Anesi Gas Absorption Heat Pump Technology Research and Publications

The technology and research behind the development of the Anesi gas absorption heat pump.

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Research for Home & Building Owners

“The Role of Gas Heat Pumps in Zero Net Energy Buildings,” Glanville and Kerr, Gas Technology Institute, 2016 ACEEE Summer Study on Energy Efficiency in Buildings – RoleGasHP_NetZeroEnergy_ACEEE2016
Fridlyand, Alex; Glanville, Paul; and Garrabrant, Michael, “Pathway to Decarbonization of Residential Heating” (2021). International High Performance Buildings Conference. Paper 354. https://docs.lib.purdue.edu/ihpbc/354
Project Fact Sheet, “Demonstration of Gas Heat Pumps in Cold-Climate Residential Space and Water Heating Applications”  Gas Technology Institute and SMTI, 2021.
Project Fact Sheet, CEC PIR-16-003, “Demonstration and Assessment of Residential Gas Heat Pump Water Heaters in the Los Angeles Basin”  Gas Technology Institute and SMTI, 2020.
Technical Summary of CEC PIR-16-001, “Commercial Gas Heat Pumps for Hot Water and A/C, Demonstration in Restaurant Applications,”  Gas Technology Institute and SMTI, 2020.

Anesi Gas Heat Pump Technology

“Residential Gas Heat Pumps: The Time has Come”, Midwest Energy Solutions Conference 2024, February 1, 2024 – GTI Energy Presentation Feb 1 2024
“Experimental Evaluation of Low-Cost Gas Heat Pump Prototypes for Building Space Heating”, 16th International Refrigeration and Air Conditioning Conference at Purdue, July,  2016 – GAHP_SpaceHeating_Purdue IRAC_2016
“Field Testing of a Prototype Residential Gas-Fired Heat Pump Water Heater,” Glanville, Vadnal and Garrabrant, ASHRAE Conference, Winter 2016
“Regional Climate Zone Modeling of a Commercial Absorption Heat Pump Hot Water Heater – Part 1: Southern and South Central Climate Zones,” 16th International Refrigeration and Air Conditioning Conference at Purdue, July,  2016 – GAHP_ComWH_Purdue IRAC_2016
“The Role of Gas Heat Pumps in Zero Net Energy Buildings,” Glanville and Kerr, Gas Technology Institute, 2016 ACEEE Summer Study on Energy Efficiency in Buildings – RoleGasHP_NetZeroEnergy_ACEEE2016
Fridlyand, Alex; Glanville, Paul; and Garrabrant, Michael, “Pathway to Decarbonization of Residential Heating” (2021). International High Performance Buildings Conference. Paper 354. https://docs.lib.purdue.edu/ihpbc/354
Glanville, P., Keinath, C., Fridlyand, A., Garrabrant, M., (2019), Demonstration and Simulation of Gas Heat Pump-Driven Residential Combination Space and Water Heating System Performance, Proceedings of the 2019 ASHRAE Winter Conference, Atlanta, GA.
Glanville, P., Keinath, C., Mahderekal, I., Mensinger Jr., M., Bingham, L., (2021), Demonstrating Thermal Heat Pump System for Hot Water and Air-Conditioning at Full Service Restaurants, Proceedings of the 2021 ASHRAE Winter Conference (Virtual), Chicago, IL.
Manjarres, T. and Dusault, A. (2020), “Optimizing Energy Efficiency in Residential Heating Applications – What are the Options?  What are the Impacts?” Proceedings of the ACEEE 2020 Summer Study on Energy Efficiency in Buildings (Virtual).
Project Fact Sheet, “Demonstration of Gas Heat Pumps in Cold-Climate Residential Space and Water Heating Applications”  Gas Technology Institute and SMTI, 2021.
Project Fact Sheet, CEC PIR-16-003, “Demonstration and Assessment of Residential Gas Heat Pump Water Heaters in the Los Angeles Basin”  Gas Technology Institute and SMTI, 2020.
Technical Summary of CEC PIR-16-001, “Commercial Gas Heat Pumps for Hot Water and A/C, Demonstration in Restaurant Applications,”  Gas Technology Institute and SMTI, 2020.

Michael Garrabrant Publications and Research

“Development and Evaluation of a Low-Cost Gas Absorption Heat Pump,” Glanville, Keinath and Garrabrant, ASHRAE Conference, Winter 2017
“European Regional Climate Zone Modeling of a Commercial Absorption Heat Pump Hot Water Heater,” Sharma, Shen, Keinath, Garrabrant, and Geoghegan, 12th IEA Heat Pump Conference 2017
“Development of an Ammonia-Water Absorption Heat Pump Water Heater for Residential and Commercial Applications,” Garrabrant, Stout, Glanville, Keinath and Garimella, Proceedings of the 7th International Conference on Energy Sustainability, ICES2013, ES-FuelCell2013-18121
“Experimental Evaluation of Low-Cost Gas Heat Pump Prototypes for Building Space Heating”, 16th International Refrigeration and Air Conditioning Conference at Purdue, July,  2016 – GAHP_SpaceHeating_Purdue IRAC_2016
“Field Testing of a Prototype Residential Gas-Fired Heat Pump Water Heater,” Glanville, Vadnal and Garrabrant, ASHRAE Conference, Winter 2016
“Regional Climate Zone Modeling of a Commercial Absorption Heat Pump Hot Water Heater – Part 1: Southern and South Central Climate Zones,” 16th International Refrigeration and Air Conditioning Conference at Purdue, July,  2016 – GAHP_ComWH_Purdue IRAC_2016
“Residential & Commercial Capacity Absorption Heat Pumps for Space and Domestic Water Heating Applications,” Garrabrant, Stout, Blaylock, and Keinath, 12th IEA Heat Pump Conference 2017
“Residential Gas Absorption Heat Pump Water Heater Prototype Performance Test Results.” Garrabrant, Stout, Glanville and Fitzgerald, International Sorption Heat Pump Conference, 2014
Fridlyand, Alex; Glanville, Paul; and Garrabrant, Michael, “Pathway to Decarbonization of Residential Heating” (2021). International High Performance Buildings Conference. Paper 354. https://docs.lib.purdue.edu/ihpbc/354
Glanville, P., Keinath, C., Fridlyand, A., Garrabrant, M., (2019), Demonstration and Simulation of Gas Heat Pump-Driven Residential Combination Space and Water Heating System Performance, Proceedings of the 2019 ASHRAE Winter Conference, Atlanta, GA.
Glanville, P., Keinath, C., Garrabrant, M., (2018), Laboratory and Field Evaluation of a Gas Heat Pump-Driven Residential Combination Space and Water Heating System, Proceedings of the 2018 ASHRAE Winter Conference, Chicago, IL.
Keinath, C., Garrabrant, M., Butcher, T. (2018), Energy, Cost and CO2e Analysis of Reversible, Hybrid and Heating-Only LF-AHP in the Northeast, Proceedings of the 2018 ASHRAE Summer Conference, Houston, TX.
Manjarres, T. and Dusault, A. (2020), “Optimizing Energy Efficiency in Residential Heating Applications – What are the Options?  What are the Impacts?” Proceedings of the ACEEE 2020 Summer Study on Energy Efficiency in Buildings (Virtual).

Additional Research

“Comparison of Primary Energy Consumption of Vapor and Non-Vapor Compression Natural Refrigerant Heat Pumps for Domestic Hot Water Applications,” Fronk and Keinath, 12th IEA Heat Pump Conference 2017