Service Life Data Query
Use criteria to evaluate potential service life in different HVAC components and building environments.
Matching Buildings
287
Equipment Found
935
Criteria
System Type: Cooling
* Equipment with no units, not shown. View full HVAC Equipment List here.
| Equipment | Total Units | Currently in Service | Replaced | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Units | Mean | Median | Std Dev | 95% C.I. | Max | Min | Units | Mean | Median | Std Dev | 95% C.I. | Max | Min | ||
| Chiller, centrifugal | 239 | 209 | 17.6 | 18.0 | 8.2 | 1.5 | 41.0 | 3.0 | 30 | 25.2 | 25.0 | 7.6 | 3.3 | 42.0 | 7.0 |
| Chiller, air-cooled rotary (screw) | 9 | 8 | 12.3 | 8.5 | 10.3 | 8.2 | 32.0 | 5.0 | 1 | 23.0 | 23.0 | n/a | n/a | 23.0 | 23.0 |
| Other cooling equipment | 369 | 365 | 16.3 | 20.0 | 10.2 | 5.0 | 34.0 | -1.0 | 4 | 20.5 | 20.5 | 5.2 | 5.1 | 25.0 | 16.0 |
| 4 | 2 | 5.0 | 5.0 | n/a | n/a | 5.0 | 5.0 | 2 | 20.0 | 20.0 | n/a | n/a | 20.0 | 20.0 | |
| Chiller, water-cooled reciprocating | 9 | 9 | 20.6 | 17.0 | 11.2 | 8.3 | 35.0 | 6.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Chiller, absorption, indirect-fired, single-stage | 6 | 6 | 38.0 | 38.0 | 0.0 | 0.0 | 38.0 | 38.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Chiller, air-cooled reciprocating | 16 | 15 | 24.0 | 28.5 | 14.3 | 8.1 | 37.0 | 4.0 | 1 | 11.0 | 11.0 | n/a | n/a | 11.0 | 11.0 |
| Chiller, water-cooled rotary (screw) | 5 | 5 | 11.0 | 11.0 | 7.1 | 9.8 | 16.0 | 6.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Municipal water plant | 7 | 7 | 10.3 | 10.0 | 2.2 | 1.6 | 13.0 | 7.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| District cooling | 8 | 3 | 7.3 | 8.0 | 1.2 | 1.3 | 8.0 | 6.0 | 5 | 36.0 | 36.0 | 22.6 | 31.4 | 52.0 | 20.0 |
| Heat exchanger, horizontal (trench) ground | 8 | 7 | 14.1 | 13.0 | 2.7 | 2.0 | 20.0 | 12.0 | 1 | 17.0 | 17.0 | n/a | n/a | 17.0 | 17.0 |
| Heat exchanger, vertical bore | 195 | 142 | 11.5 | 11.0 | 5.2 | 0.9 | 37.0 | -1.0 | 53 | 27.1 | 25.0 | 13.8 | 3.7 | 69.0 | 4.0 |
| Heat exchanger, ground water, aquifers | 37 | 30 | 23.5 | 18.5 | 13.1 | 4.7 | 53.0 | 7.0 | 7 | 32.0 | 21.0 | 27.8 | 20.6 | 88.0 | 8.0 |
| Chiller, heat recovery, centrifugal | 2 | 2 | 21.5 | 21.5 | 4.9 | 6.9 | 25.0 | 18.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Heat exchanger, horizontal ground | 7 | 7 | 10.9 | 11.0 | 2.0 | 1.4 | 13.0 | 8.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Heat exchanger, surface water, closed loop | 2 | 2 | 11.5 | 11.5 | 6.4 | 8.8 | 16.0 | 7.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Heat exchanger, ground water, standing column well | 6 | 4 | 11.8 | 12.0 | 1.3 | 1.2 | 13.0 | 10.0 | 2 | 51.5 | 51.5 | 34.6 | 48.0 | 76.0 | 27.0 |
| Heat exchanger, potable water | 1 | 1 | 8.0 | 8.0 | n/a | n/a | 8.0 | 8.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |