eJARN News

2014.09.11

Sharp Introduces Smart Energy Storage Solution in U.S.

On August 11, Sharp has announced the launch of its SmartStorage energy storage solution, which is immediately available throughout California and will be expanded to other states in the second half o...

2014.09.25

Daikin VRV for Large Scale Buildings

Daikin VRV systems have developed considerably over the past number of years and are now being specified for larger and more diverse buildings. The latest VRV solutions can be designed on a greater sc...

2014.09.25

Mitsubishi Electric 2-Pipe VRF Brings Sustainability to Hist

Outline of Strawberry Mansion Project Location: Philadelphia, the United States Completion Date: May 2013   Air Conditioning Systems - Water-cooled VRF: 2 units of condensing units and 17 units o...

2014.09.11

Toshiba’s Smart Community Center with Optimum Combination of

Outline of Lazona Kawasaki Toshiba Building Project Location: Kawasaki City, Japan Completion Date: Fall 2013, Floor space: 104,600m2   Air Conditioning Systems - More than 430 units of air-coole...

2014.09.15

Basic VRF Technologies

Key VRF components When considering the VRF refrigeration cycle, the inverter and electronic expansion valve are two essential components.   Up to the 1970s, the refrigeration cycle used a combin...

2014.09.11

Secop Mobile Refrigeration Solutions Maintain Cold Chain

The journey of food from farm to fork has changed a lot over recent decades. Today, a food product may easily be manufactured in the United States and sold in Europe, or vice versa.   To ensure t...

2014.09.07

Heat Pumps Move to Ireland

Ireland has become the country of choice for two leading heat pump manufacturers - Stiebel Eltron and Danfoss.   The Stiebel Eltron range of heat pumps and solar/electric domestic water heaters will be represented by Modern Plant (Dublin). Danfoss has appointed Ashgrove Energy (Dublin) who will be taking over sales and technical support in the United Kingdom and Danfoss Heat Pumps UK is closi...

2014.09.08

Heat Islands

Large cities create their own climate in both winter and summer - the so-called urban heat island (UHI) - and this has a significant impact in estimating summer and winter loads for heating and air conditioning.   Summer temperatures in the United Kingdom and northern Europe are forecast to increase in the not so distant future - according to the Committee on Climate Change (CCC) - so that by...

2014.09.11

New Slant on Earth-source Systems

A means of recovering geothermal energy using air as the heat transport medium is being tried out at a school building in Hounslow (the United Kingdom). This was a cooperative project by consulting engineers WSP, BSRIA and a plastics pipe manufacturer Polypipe.   This is not a heat pump system and relies entirely on recovering heat by conduction from the earth to heat (or cool) the fresh air ...

2014.09.09

Decentralized Ventilation: A Growth Market

Lack of fresh air is becoming a serious problem in many new buildings in Germany which have high standards of air tightness and do not have the advantage of central air conditioning or ventilation. The problem becomes worse when occupational density is high such as in school classrooms.   The ventilation industry has responded with might be called a ‘quick fix’ solution in the form of package...