You are, in order to improve its energy efficiency, but it is possible to modify many of the elements of the existing house, it is expensive. Still, because of the design of the drawback is, you might not be able to achieve a level of efficiency
6 cents & chanthavila, of 3 BHK for sale near Thiruvananthapuram house
Location:, 5 km to 300 meters from the chanthavila John from kazhakootam to facing St. Thomas University,
Details: 1200 square feet land, attachments, the plot area of 6%, the expected price and 3 BHK: 48 lakhs