The Energy Efficiency of a building is affected by a number of essential components (i.e. insulation, glazing, etc). The manner or order in which these components are used, installed or addressed is crucial to a high Building Energy Rating. It is a very complex matter and there is an endless supply of product information available from manufacturers at present. This information must be studied and used carefully in order to achieve the desired result. New and better products are coming to the market almost daily.

JM Johnston Consultants have a strong technical and construction background and are in a position to provide independent advice with the aim of achieving the highest energy performance possible through sustainable design and according to your budget.