Page 48 - Climate Control News Magazine Feb 2021

Tech Trends
Tech trends driving energy
efficiency imO
provements in HVACR
ALFA LAVAL’S HEAT EXCHANGER SPECIALISTS FOR HVAC AND REFRIGERATION, SURIA MOODLEY AND COLIN ELLIS, SHARE SIX TECHNOLOGY TRENDS THAT ARE TAKING ENERGY EFFICIENCY TO
THE NEXT LEVEL.
BELOW: Colin Ellis and Suria Moodley
UR BUILT ENVIRONMENT is currently the world’s single largest contributor to green- house gas emissions. In Aus- tralia, where the Green Build-
(Source: GBCA Introducing Green Star) Yet, many building projects do not fully ac- commodate the performance of components within the cooling system to achieve those rat- ings and other energy efficiency benefits as re-
quired in tender documents.
Let’s examine the role of heat transfer – a key
technology that allows the recovery and re-use of energy, thus reducing your carbon footprint and also operating costs.
FROM SHELL-AND-TUBE TO PLATE HEAT EXCHANGERS
Heat recovery can be increased substantially by exchanging existing shell-and-tubes for com- pact heat exchangers. Plate heat exchangers weigh less than 1/16th the total weight of shell- and-tube exchangers and use 1/10th the floor space. Plate heat exchangers are up to five times more efficient than shell-and-tube designs with approach temperatures as close as 1°C. The re- sult is more energy being put back to use, energy that would otherwise have gone to waste.
TREND TOWARDS HEAT PUMPS
While heat pumps have been gaining popularity in residential buildings for years, they are also now becoming more common in the commercial sec- tor for refrigeration, space heating, pool heating and cooling and hot water applications. A correct- ly designed heat pump system should reduce the overall energy consumption. The heat exchanger is an integral part of this system, especially when de-
ing Council of Australia (GBCA) launched the Green Star certification in 2003, developers and builders have long been striving to improve the energy efficiency of commercial constructions.
Achieving high environmental ratings is not only seen as a sustainability value but in the eyes of financial institutions and investors, reduces exposure to commercial risk and asset obsoles- cence by ensuring assets are ‘future-ready’
CLIMATECONTROLNEWS.COM.AU
48