Ian Davis – Ventilation
Ian has worked in the ventilation industry since 1984, when he joined a Birmingham-based market leader as a technical apprentice.
John Felgate – Renewables
John Felgate is the technical director for Stiebel Eltron, one of the UK's leading renewable energy products manufacturers.
New standards, new beginnings?
Martyn Bridges, director of technical communication and product management at Worcester Bosch, shares his thoughts on two new changes to regulations and standards
Viewpoint: We need a way to compare system filters
Martyn Bridges, director of technical communication and product management at Worcester Bosch, explains why we should consider performance testing of filters as we move forward
Mark Derbyshire – Renewables
Mark Derbyshire is commercial director for Vaillant in the UK and Ireland.
