Glossary
What is the Warm Homes: Social Housing Fund (WHSHF)?
The Warm Homes: Social Housing Fund (WHSHF) is a government-backed initiative designed to improve...
What is the Window Energy Rating?
The Window Energy Rating (WER) is a standardized performance metric applied to a complete...
What is the Winter Design Temperature?
Winter Design Temperature refers to the air temperature for the coldest weather likely to...
What is Ventilation?
The intentional supply of outdoor air to, and extraction of indoor air from, a...
What is VMC Double Flux? (Ventilation Mécanique Contrôlée avec Récupération de Chaleur)
VMW Double Flux, or Mechanical Ventilation with Heat Recovery (MVHR), is an advanced ventilation...
What is Whole Dwelling Ventilation?
The continuous or near-continuous provision of fresh air and removal of stale air throughout...
What is WRG (Wärmerückgewinnung)?
WRG, or Wärmerückgewinnung, refers to heat recovery ventilation, a system designed to extract stale...
What is WTW (Warmteterugwinning)?
WTW, or Warmteterugwinning, is a Dutch term for heat recovery ventilation (HRV), a system...
What is Year-Round Ventilation?
Year-Round Ventilation refers to ventilation systems designed to operate effectively in all seasons, ensuring...

