Glossary

A Comprehensive Glossary of Terms for Building Performance and Energy Efficiency

Welcome to our comprehensive glossary of terms, designed to provide you with a clear understanding of the key concepts and terminology related to our range of services. Whether you’re new to the industry or simply looking to brush up on your knowledge, this glossary is a valuable resource to help you navigate the world of building performance and energy efficiency.

Smoke Test

Discover the versatility of smoke tests in evaluating airflow patterns, detecting leaks, and assessing ventilation. This highly effective testing method provides visual insights and helps address airflow and leak-related issues for improved system performance and energy efficiency.

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Thermal Envelope

The thermal envelope is crucial for building energy efficiency. Discover its components and importance in reducing energy consumption and enhancing occupant comfort. Improve your building’s thermal performance by implementing proper insulation, air sealing, and energy-efficient windows and doors within the thermal envelope.

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Exfiltration

Exfiltration, the unintended movement of air from inside to outside, impacts building energy efficiency. Learn strategies to manage air leakage and improve the performance of your building envelope.

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Infiltration

The uncontrolled or unintended movement of outdoor air into a building through cracks, gaps, and openings in the building envelope.

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Air Changes per Hour at 50 Pascals (ACH50)

Air Changes per Hour at 50 Pascals (ACH50) quantifies building air tightness under standardized test conditions. Discover how it helps evaluate energy efficiency, identify air leakage, and guide air sealing efforts for improved building performance.

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Air Barrier

An Air Barrier System restricts uncontrolled air movement in buildings, improving energy efficiency and indoor comfort. Discover the materials, installation techniques, and benefits of an effective air barrier system for enhanced building performance.

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Air Leakage

Air leakage refers to the uncontrolled movement of air into or out of a building, resulting in energy losses, discomfort, and compromised indoor air quality. Discover the causes, detection methods, and effective air sealing measures to enhance energy efficiency and indoor comfort.

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Depressurisation

The process of reducing air pressure inside a building relative to the outside. This can also be done during a blower door test to identify

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Pressurisation

The process of increasing air pressure inside a building relative to the outside. This can be achieved during a blower door test to identify air

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