Glossary
What is the Approved Document L(1) (Part L)?
Building Regulations Approved Document L(1) is a statutory document in the UK that provides...
What is the Approved Document O (Part O)?
Approved Document O (AD O) is a part of the UK Building Regulations that...
What is the Boiler Upgrade Scheme (BUS)?
The Boiler Upgrade Scheme (BUS) is a UK government initiative designed to encourage homeowners...
What is the CIBSE Guide B2: Ventilation and Air Conditioning?
Synonym(s): CIBSE Guide B: Heating, Ventilation, Air Conditioning and Refrigeration (HVACR), Part 2: Ventilation...
What is the Coefficient of Performance (CoP)?
The Coefficient of Performance (CoP) is a metric used to evaluate the efficiency of...
What is the Decent Homes Standard?
The Decent Homes Standard (DHS) is a minimum technical standard established by the UK...
What is the Department for Energy Security and Net Zero (DESNZ)?
The Department for Energy Security and Net Zero (DESNZ) is a UK government department...
What is the Dew Point?
The dew point is the temperature at which air becomes saturated with water vapour,...
What is the Earth Wire?
An earth wire, also known as a grounding wire, is a safety component in...
What is the Energy Company Obligation Scheme (ECO)?
The Energy Company Obligation (ECO) is a UK government scheme designed to reduce carbon...

