Archives: Glossary

  • Weather Compensation

    A control method that adjusts heating flow temperature based on the outside temperature.

  • Water Source Heat Pump

    A heat pump that collects heat from a water source such as a lake, river, pond, well or open-loop system.

  • Warm Roof

    A roof construction where insulation is installed above the roof deck, helping keep the structure warm.

  • Volumiser

    A vessel used in some heat pump systems to increase system water volume and help stable operation.

  • Ventilation Rate

    The amount of air supplied to or removed from a building over time.

  • Ventilation Heat Loss

    Heat lost when warm indoor air is replaced by colder outside air.

  • Ventilation Strategy

    A planned approach to providing enough fresh air before and after retrofit works.

  • Ventilation

    The controlled supply and removal of air from a home. Ventilation helps manage moisture, odours, pollutants and indoor air quality.

  • Vapour Control Layer

    A material used to control the movement of moisture vapour through walls, roofs or floors.

  • Vapour Barrier

    A layer designed to stop or reduce water vapour passing through a building element.