PULSE Pvt. Ltd.
Ariticle Published in 5th June 2008 Issue of "Week Magzine" of India.
BIO-COOLED SHOP FLOOR Taking a cue from The Energy and Resources Institute, Gurgaon-based T.P Baranwal and daughter Anupama set out on a green mission in 2005. The ex-Air Force officer wanted to manufacture transformers and inductors in an economical and fresh air environment. Making the most of his engineering background, Baranwal established a workplace that survives on an alternate cooling system.

Pulse Magnetic and Power Electronics have a five-storey build­ing, with no air conditioners but very cool interiors. Intriguing? Baranwal calls it 'Simple Science.' "The natural cool­ing in our factory is just an effective heat exchange with the earth," says Anupama, Director of the company.
Fitted with Turbo Fans and air ducts, the building has a two-inch gap between the shells of walls fac­ing outside. This cuts external heat transfer. "We have improvised basic things to ensure natural cooling," says Baranwal. "The principle is the same as that of a regular air conditioner. The temperature 20ft below the earth remains constant at 24 to 26 degree Celsius and we make use of this."

The factory has two suction blowers fitted at a depth of 20ft, which suck filtered fresh air from the atmosphere.The air passes through pipelines and loses its heat midway. Ducts pipe the cooled air into the office. "Using this princi­ple, I have cut down power consump­tion to 3 K Watts." says Anupama

The Baranwals now plan to intro­duce solar power in the factory. "I want to make my workplace greener. Now, we are using CFLs with special reflectors that double the lux. It has brought down our electricity load by 40 per cent," says Baranwal who also has a water harvesting system at the factory. He has spent Rs 20 lakh to 'green' his factory. >> More... 

Baranwal has been helping his friends save energy. A few months back, Baranwal helped a friend escape the virtual tandoor his friend was living in. "My friend was tired of the boiling temperatures inside his apartment. Air conditioners did not really help in cooling his place so I asked him to redo the roof," says Baranwal who placed inverted kulhars (mud cups) filled with cow dung and earth on the roof and then covered them with tiles. "The layer of trapped air in the mud acts as good insulation. We also painted the roof white and now the apartment is pretty cool even when the AC is'not on."

Interestingly, more companies are turning green. From 20,000 sq ft in 2003, to 70 million sq ft, green build­ings are increasing their footprint. The CII-Sohrabji Godrej Green Business Centre has been awarded the coveted Platinum Rating from the US Green Building Council. This is the first 'Platinum building outside the U.S. and the third in the world. For the uninitiated, green business cen­tre is the centre of excellence of the Confederation of Indian Industry for energy efficiency, green build­ings, renewable energy, water, envi­ronment and recycling and climate change activities in India.

Lodha Group, a real estate devel­oper, has green commercial projects in Mumbai. Fair Works, a project ini­tiated by UK-based Interface Floor, makes natural fabric carpet tile floor­ing. Jotun India, an international paint manufacturing company, has constructed a zero-emission plant in Pune. The corporate world is green­ing fast. But the pace needs to pick up inhomes .•

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