Energy efficiency audit is a method of reviewing the use of energy within a building, facility or system to determine the effectiveness. The aim is to determent where disturbing or unnecessary energy waste is and how it is possible to eliminate them or minimize. During an energy efficiency audit, various aspects of energy usage are examined, including:
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Building Envelope Assessment:
Checking of wall surfaces, window frames, door and roof to determine the state of thermal insulation, the general quality of the building materials used, and areas of possibility of air infiltration. Thermal imaging technology used for determining the places that are either lossing excess heat or are prone to infiltration. Investigation of the efficiency of sealant practices on doors and windows to minimize the air leaks.Analysis of roof and wall construction to assess the feasibility of achieving passive heating and cooling solutions.
HVAC Systems Analysis:
Evaluation of heating, ventilation, and air conditioning (HVAC) devices for their age, health condition and operating efficiency.Determination of airflow and condition of ducts to ascertain whether it is well distributed and if it is well insulated against energy losses. Evaluation of thermostat control, programming methods, and control procedures to manage HVAC functionality.Comparison and contrast of conditioning practices for the HVAC systems to ensure their proper functioning.
Lighting Evaluation:
The number and type of lamps, diffuse, ballasts, etc., present in the building were recorded to assess energy consumption and energy controls. Review of current available lighting technologies, for example, LEDs, fluorescent and incandescent for purposes of decision making on upgrades that can be made. Evaluation of the appropriate level and pattern of lighting to guarantee optimum illumination with the least consumption of power. Installation of sensors and other tools that help control the energy used in lighting depending on occupancy and external number of hours of natural lighting.
Appliances and Equipment Inspection:
A survey of appliances, equipment, and machinery with a view of ascertaining their energy consumption as well as the energy efficiency rating. A list of high-energy consumption equipment comments and proposal for upgrading or modifying with more efficient units. Evaluation on how equipment usage patterns and scheduling with a view of minimizing standby power losses. Specified change and usage of energy conservation possibilities, for example, power options and shutdown tools.
Water Usage Analysis:
Checks the water-using devices like faucets, toilets, shower and irrigation systems with a view of testing their usage. Recognition of water conservation technologies as the low-flow water fixtures and using efficient water irrigation practices with the aim of cutting water use and energy implications. Combination of the measures towards efficient use of water alongside the measures toward effective use of energy with a view of embracing efficiency in the usage of both resources.
Behavioral and Operational Assessment:
Surveys and studies of the occupant activity and schedules to assess how energy conservation might be applied. Promoting energy conservation through campaigns like occupants’ training and familiarization with the purpose of such actions. The creation of awareness on the part of the building occupants and the staff on how they use energy efficiently, the use of energy saving tools and devices, as well as energy control measures.