roof insulation
51Solar hot water — is water heated by the use of solar energy. Solar heating systems are generally composed of solar thermal collectors, a fluid system to move the heat from the collector to its point of usage. The system may use electricity for pumping the fluid,… …
52Thermal transmittance — Thermal transmittance, also known as U value, is the rate of transfer of heat (in watts) through one square metre of a structure divided by the difference in temperature across the structure. It is expressed in watts per square metre per kelvin,… …
53Creative Energy Homes — The Creative Energy Homes[1] (CEH) project is a showcase of innovative state of the art energy efficient homes of the future. Seven homes constructed on the University Park Campus of the University of Nottingham are being designed and constructed …
54Air well (condenser) — High mass air well of Belgian engineer Achile Knapen in Trans en Provence …
55Mark Group Ltd — Mark Group Type Privately owned Industry Energy saving, Insulation, Microgeneration, Renewables Founded 1974 as Mark Insulations …
56Furnace — For other uses, see Furnace (disambiguation). Industrial Furnace from 1907 A furnace is a device used for heating. The name derives from Latin fornax, oven. In American English and Canadian English, the term furnace on its own is generally used… …
57Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
58Window — This article is about the part of a building. For the Microsoft operating system, see Microsoft Windows. For other uses, see Window (disambiguation) and Windows (disambiguation). Pair of windows, Old Ship Church, Hingham, Massachusetts …
59architecture — /ahr ki tek cheuhr/, n. 1. the profession of designing buildings, open areas, communities, and other artificial constructions and environments, usually with some regard to aesthetic effect. Architecture often includes design or selection of… …
60De Punt Fire — On May 9 2008, three Dutch firefighters lost their lives tackling a blaze at a large commercial building situated in a shipyard in the village of De Punt in the Dutch province of Drenthe. The firefighters, Anne Kregel, Raymond Soyer and Egbert… …
