eJARN News
AHRI Promotes Energy Efficiency Certificates
In answer to JARN’s questions, Stephen R. Yurek, president and CEO, the Air-Conditioning, Heating, and Refrigeration Institute (AHRI), gave out important information including AHRI certification progr...
Alfa Laval Wins Marine Environmental Order, Worth SEK 170 Mi
Alfa Laval has won an order to supply Alfa Laval PureSOx exhaust gas cleaning systems for retrofit installation onboard vessels. The order, booked in the marine and offshore systems segment, has a val...
Hitachi Hi Efficiency VRF Awarded ECA Status in UK
Hitachi’s recently-launched Hi Efficiency Set Free FSXNH VRF has achieved the UK’s Enhanced Capital Allowance (ECA) Scheme status. The ECA Scheme is part of the Government’s program of measures...
Case for Gas Heat Pumps
From an environmental standpoint, the use of an electrically driven heat pump in a building which already has access to a gas grid does not make sense, says Jeff House of Baxi Commercial (UK). A gas absorption unit maximizes the potential of the primary source whereas the electric heat pump is based on an inefficient energy conversion process. Gas heat pumps also eliminate the problems of F-gases ...
Central Plant Air Conditioning in UK
The central plant market in the United Kingdom is unlikely to show signs of recovery until 2015 - according to David Garwood of BSRIA. Even then lead time on large projects could delay the benefit to the industry. Although the United Kingdom now has the largest market in Europe for the Turbocor compressor, its cost - twice as much as a comparable screw chiller - has put a temporary ...
Room Humidity and Health
Experiments by NIOSH, the U.S. national institute for safety and health at work, reports tests on the role of humidity in room air in controlling the spread of disease. Flu viruses were introduced intermittently into a test room using an aerosol generator which reproduced the act of coughing. Measurements by a simulated breathing machine showed that below 23% relative humidity, viruses retained ab...
