Heating, ventilation and air conditioning (HVAC) guide

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On this page
Heating, ventilation and air-conditioning (HVAC) are major contributors to a business’s energy use and operating costs.
HVAC optimisation looks for the best ways of using existing systems, rather than opting for large-scale equipment upgrades and replacements.
Optimisation can be done by:
- changing algorithms
- altering control schedules and set points
- carrying out minor mechanical repairs and alterations.
This guide outlines 20 HVAC optimisation strategies and how they can be applied to most commercial systems in older and modern buildings.
For a simple summary of the technology:
HVAC optimisation will reduce your energy bills
By taking action you could save up to 50% of your total HVAC energy use, or up to 80% of energy use in individual HVAC systems. In many instances, optimisation can provide immediate reductions in energy usage and costs.
Other benefits can include:
- more comfort for a building’s occupants
- improved reliability of systems
- reduced maintenance costs
- improved building performance, as recognised in rating schemes such as National Australian Built Environment Rating System (NABERS) and Green Star.