Preparation of energy performance certificates for new buildings, for major alterations to existing buildings, for the sale or lease of a building or part of a building, or as an annex to an application in the New Green Savings grant programme. Calculation of heat losses of buildings for design of heating system or heat source.

Offering complete design services in the field of heating and air conditioning. Preparation of energy performance certificates for buildings.

Offering HVAC design and consulting, especially heating, cooling and air conditioning from single family homes, apartment buildings to industrial buildings, including budgets. Preparation of building energy performance certificates.