Ultimate Guide to After-Hours HVAC Scheduling
Build smarter, bill fairer, and align with NABERS v5.2
Why After-Hours HVAC Scheduling Matters
Many commercial buildings still run HVAC systems long after the last tenant leaves. These after-hours operations can chew through energy budgets, skew NABERS ratings, and generate billing disputes with tenants.
Why should you care?
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AHAC can account for up to 20% of total HVAC runtime
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Poorly tracked AHAC leads to under-recovered costs
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Inaccurate hours can drag down NABERS performance
Who This Guide Is For?
Building owners & property managers
Sustainability and ESG teams
Facilities managers
NABERS assessors and energy consultants
Anyone responsible for HVAC scheduling or tenant recovery
What You’ll Learn in This Guide
- How to calculate an after-hours rate that covers real costs
- What NABERS requires (and forbids) when logging after-hours HVAC
- The new v5.2 rules you must follow
- How to structure lease clauses to protect your recovery
- A real case study showing 38% after-hours energy savings
