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What is a Grille?
Last Updated: 28 August 2025A grille is a perforated or slatted cover used to finish off the installation of ventilation systems, typically found at the entry or exit points of ductwork. It serves to prevent debris, pests, or other objects from entering the duct run while allowing air to flow freely. Grilles are commonly used in both internal and...
What are Green Heating Products?
Last Updated: 28 August 2025Green heating products refer to heating solutions that utilise renewable energy sources or highly efficient technologies to provide warmth in residential and commercial buildings. These products aim to reduce carbon emissions, lower energy consumption, and promote sustainability in line with UK Building Regulations and environmental targets. In the UK, green heating products are increasingly adopted...
What is Green Finance?
Last Updated: 28 August 2025Green Finance is a financial approach that prioritises investments in projects and technologies that have a positive environmental impact. This includes funding for energy-efficient building designs, renewable energy installations, and retrofitting existing properties to meet higher environmental standards. In the UK, Green Finance is closely aligned with government policies and Building Regulations, such as Part...
What is a Grease Filter?
Last Updated: 28 August 2025A grease filter is a device designed to capture and remove grease particles from the air, primarily used in recirculating kitchen extraction systems. It prevents grease buildup in ductwork and ensures cleaner air circulation within residential and commercial kitchens. Grease filters are essential components in kitchen ventilation systems, particularly in recirculating setups where extracted air...
What is WTW (Warmteterugwinning)?
Last Updated: 28 August 2025WTW, or Warmteterugwinning, is a Dutch term for heat recovery ventilation (HRV), a system that recovers heat from outgoing stale air and uses it to warm incoming fresh air. In the UK, these systems are often referred to as mechanical ventilation with heat recovery (MVHR). They are highly efficient, reducing energy consumption while maintaining indoor...
What is WRG (Wärmerückgewinnung)?
Last Updated: 28 August 2025WRG, or Wärmerückgewinnung, refers to heat recovery ventilation, a system designed to extract stale air from a building while simultaneously recovering heat from it to warm incoming fresh air. This process significantly reduces energy consumption and improves indoor air quality, making it a sustainable solution for modern homes and buildings in the UK. Understanding WRG:...
What is VMC Double Flux? (Ventilation Mécanique Contrôlée avec Récupération de Chaleur)
Last Updated: 28 August 2025VMW Double Flux, or Mechanical Ventilation with Heat Recovery (MVHR), is an advanced ventilation system that ensures continuous fresh air supply while recovering heat from outgoing stale air. It improves indoor air quality and energy efficiency, making it ideal for modern, airtight homes in the UK. Understanding VMW Double Flux VMW Double Flux, also known...
How Does Approved Document F Address Allergens?
Last Updated: 28 August 2025Approved Document F of the Building Regulations in the UK focuses on ventilation requirements to ensure healthy indoor air quality, indirectly addressing allergens by promoting adequate airflow and reducing moisture, which can exacerbate allergen-related issues. Understanding Approved Document F and Its Role in Allergen Management Approved Document F is a critical component of the UK’s...
How Does Approved Document F Address Carbon Monoxide?
Last Updated: 28 August 2025Approved Document F, part of the UK Building Regulations, addresses carbon monoxide by mandating proper ventilation in buildings to prevent the build-up of harmful gases. It requires the installation of adequate ventilation systems, such as mechanical extract fans, to ensure safe air quality and reduce the risk of carbon monoxide poisoning. Understanding Approved Document F...
How Does Approved Document F Address Nitrogen Dioxide?
Last Updated: 28 August 2025Approved Document F of the Building Regulations in the UK focuses on ventilation requirements to ensure indoor air quality. It addresses nitrogen dioxide (NO₂) by mandating adequate ventilation systems to reduce pollutant build-up, particularly in areas like kitchens where NO₂ emissions from gas cooking are common. The document emphasises the importance of mechanical ventilation and...