HVAC systems are among the largest capital expenses in any building. Proper budgeting requires understanding equipment lifecycles, distinguishing between maintenance and capital expenditures, and planning for reserve fund contributions.
Equipment Lifecycles (Approximate)
- Commercial boilers: 20-30 years with proper maintenance
- Chillers: 20-25 years
- Rooftop units: 15-20 years
- Cooling towers: 15-20 years
- Circulation pumps: 15-20 years
- Air handling units: 20-25 years
Annual Maintenance Budget
A general benchmark for commercial buildings is 2-4% of replacement cost per year for maintenance. Buildings with older equipment, high occupancy, or 24/7 operations should budget toward the higher end.
Reserve Fund Planning
Equipment replacement costs should be in your reserve fund study. Ensure your reserve fund consultant includes realistic current replacement costs for all major HVAC equipment, updated every 3-5 years.