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Latest papers

paper

ATMOsphere America 2014 Summary Report

3 July 2014 | Report / Study | Published: 2014
For the third consecutive year, ATMOsphere America 2014 gathered HVAC&R industry experts with the aim of supporting the adoption of natural refrigerant technologies across North America. Held for the first time in...
paper

CO2 supermarket system - case study of a warm climat...

3 July 2014 | Presentation | Published: 2014
Jeff Newel from Hillphoenix, presents an industry first, the company’s pioneering installation of a CO2 booster system in a warm ambient climate at a Sprouts Farmers Market store in Dunwoody Georgia. Here, a sta...
paper

Scott Martin/Kim Christensen: Market progress i...

27 June 2014 | Presentation | Published: 2014
Scott Martin from Hillphoenix gives a general overview of Advansor, the world’s largest producer of CO2 booster systems, acquired by Hillphoenix in 2011. Martin discusses the market potential for CO2 and points ...
paper

Nina Masson: world natural refrigerants trends

27 June 2014 | Presentation | Published: 2014
Nina Masson, Deputy Mananging Director of shecco, presents the latest world natural refrigerants trends, including market availability, technology and policy. Masson provides a general overview of the leading wor...
paper

Jim Taeckens: CO2 commercialisation in refrigerated ...

26 June 2014 | Presentation | Published: 2014
Jim Taeckens presents Carrier’s CO2 container transport refrigeration system, the NaturaLINE. The system features an environmentally friendly refrigerant and achieves superior energy efficiency. Since field tria...
paper

Jim Armer: Planning for...natural refrigerants

26 June 2014 | Presentation | Published: 2014
Jim Armer highlights the key roles both preparedness and stakeholder engagement play in managing the risks and associated costs linked to the installation and maintenance of new systems. The sharing of information and...
paper

Chris Huffman: Installation considerations 

26 June 2014 | Presentation | Published: 2014
Training and preparedness are key messages Chris Huffman highlights in his presentation on the switch from HFC systems to CO2. As technology evolves obliging mechanical engineers to transition to technicians, training...
paper

Mark Tomooka: A manufacturer's role in facilitating ...

26 June 2014 | Presentation | Published: 2014
Mark Tomooka explains in his presentation that the most successful projects are those in which all invested parties collaborate effectively. He further specifies the success of Mayekawa Japan in managing costs and ris...
paper

Scott Martin: Experiences with natural refrigerant s...

26 June 2014 | Presentation | Published: 2014
Scott Martin stresses the importance of training for the success of natural refrigerant system projects and the need for clear collaboration among project stakeholders. He highlights the integral role of well-informed...
paper

Introduction of Mayekawa's ECO Cute water source hot...

26 June 2014 | Presentation | Published: 2014
The presentation by Troy Davis, Mayekawa USA MYCOM at ATMOsphere America 2014, discusses the introduction of Mayekawa's ECO Cute water source hot water heat pump at Torres De Alba Hotel in Panama City. The hotel owner...
paper

CO2 heat pump water heater

26 June 2014 | Presentation | Published: 2014
A joint presentation at ATMOsphere America 2014 by Maho Ito of Sanden International USA and Ken Eklund, Washington State University Energy Program laboratory, presents test results of CO2 heat pump water heaters. Labo...
paper

Design of heat exchangers for heat recovery in trans...

26 June 2014 | Presentation | Published: 2014
Rolf Christensen, Alfa Laval, discusses the design of heat exchangers for heat recovery in transcritical CO2 systems and water heating in particular, the optimum operating pressure, the minimum approach temperature fo...
paper

Natural refrigerant enhanced geothermal heating &...

26 June 2014 | Presentation | Published: 2014
The use of R744 expands the opportunity for geothermal heat pumps according to the presentation by Marc Portnoff, Thar Geothermal, LLC at ATMOsphere America 2014. R744 allows for a direct exchange design. By and large...
paper

Paul Anderson: Target's CO2 Experience

25 June 2014 | Presentation | Published: 2014
Target’s Senior Group Manager Engineering, Paul Anderson describes the superstore’s experience using CO2 technology, highlighting the five US stores equipped with CO2 low temperature systems, and discussin...
paper

Impacts of Leakage from Refrigerants in Heat Pumps

4 June 2014 | Report / Study | Published: 2014
With the Renewable Heat Incentive (RHI) running for non-domestic heat pumps since 2011 and recently launched for the domestic sector, the deployment of heat pumps in the UK is projected to grow significantly. In order...
paper

Investigation of the MHI Q-Ton Heat Pump

3 June 2014 | Report / Study | Published: 2014
The scope of this investigation covers the water hygiene / Legionella performance of the Mitsubishi Heavy Industries (MHI) Q-Ton Heat Pump. The purpose of this report is to consider whether the Q-Ton Heat Pump re...
paper

CO2LD: AN EDUCATIONAL INNOVATION PROJECT FOR ADVANCE...

26 May 2014 | Report / Study | Published: 2013
The CO2LD project has been developed by two Spanish Universities in cooperation with companies and other schools with the aim of introducing more efficient and more sustainable refrigeration systems, namely R134a/CO2 ...
paper

White paper: CO2 Unit Coolers for Supermarket&n...

15 May 2014 | Report / Study | Published: 2009
The global supermarket industry is becoming increasingly committed to preserving the environment. One indicator is the existence of corporate sustainability programs. According to the Food Marketing Institute (FM...
paper

Recent and future trends in synthetic greenhouse gas...

8 April 2014 | Report / Study | Published: 2014
The total warming impact of 25 major synthetic greenhouse gases has been examined by an international team, led by researchers from the University of Bristol. The study estimates that, without additional limits on sy...