Kieran McCarthy: Vent-ing frustrations the right way

Renovating a home can provide a few unexpected and new challenges

Biofuels like HVO and BioLPG could be combined with increased insulation, ventilation and air-tightness measures to improve the energy efficiency of homes suffering under low BER conditions. Picture: iStock

Hi Kieran,

In our recent renovation we paid a small fortune for external insulation, new windows, etc. The insulation came with regulations on vents which naturally we fitted.