ASHRAE: HVAC Service Life Database
This publicly available database contains service life data for major pieces of HVAC equipment. Lists and summaries are available in the Service Life Data Query.
- State
- Building Function
- Size in sf
- Building age
- Height in stories
- BOMA Class
Database contents as of 7/31/2026
| Metric | Count |
|---|---|
| Buildings with Reported System Service Life Data | 345 |
| Total number of equipment with service life data | 38,946 |
By System Type
| System Type | Buildings Reporting | Equipment Reported | |
|---|---|---|---|
| Air Distribution | 344 | 27,750 | View System Type Details |
| Cooling | 287 | 935 | View System Type Details |
| Heat Rejection | 111 | 261 | View System Type Details |
| Cooling Pump | 79 | 361 | View System Type Details |
| Heating | 262 | 4,794 | View System Type Details |
| Heating Pump | 43 | 122 | View System Type Details |
| Control | 321 | 2,469 | View System Type Details |
| Miscellaneous | 108 | 2,254 | View System Type Details |