Service Life Data Query
Use criteria to evaluate potential service life in different HVAC components and building environments.
Matching Buildings
262
Equipment Found
4,800
Criteria
System Type: Heating
* 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 | ||
| Other heating equipment | 4,234 | 4,192 | 15.1 | 16.0 | 9.5 | 4.5 | 35.0 | -1.0 | 42 | 23.2 | 25.0 | 7.5 | 6.6 | 34.0 | 16.0 |
| Boiler, steel fire-tube, natural draft, hot water | 11 | 11 | 17.5 | 17.0 | 4.1 | 3.3 | 24.0 | 12.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Boiler, steel water-tube, natural draft, hot water | 47 | 35 | 17.9 | 19.5 | 12.1 | 5.6 | 40.0 | 3.0 | 12 | 18.0 | 18.5 | 4.9 | 3.9 | 23.0 | 11.0 |
| 2 | 2 | 26.5 | 26.5 | 4.9 | 6.9 | 30.0 | 23.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a | |
| District heating | 9 | 9 | 29.2 | 37.0 | 16.4 | 10.7 | 57.0 | 6.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Boiler, steel fire-tube, forced draft, steam | 10 | 10 | 36.8 | 38.0 | 9.0 | 7.9 | 46.0 | 23.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Boiler, steel water-tube, forced draft, steam | 4 | 4 | 37.0 | 37.0 | 1.0 | 1.1 | 38.0 | 36.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Boiler, steel water-tube, forced draft, hot water | 56 | 42 | 19.6 | 15.0 | 13.9 | 4.8 | 51.0 | 4.0 | 14 | 22.6 | 21.0 | 9.4 | 7.0 | 33.0 | 10.0 |
| Boiler, electric hot water | 4 | 4 | 19.3 | 22.0 | 7.6 | 7.5 | 25.0 | 8.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Boiler, steel fire-tube, forced draft, hot water | 12 | 10 | 14.0 | 12.0 | 7.2 | 6.3 | 23.0 | 7.0 | 2 | 25.0 | 25.0 | n/a | n/a | 25.0 | 25.0 |
| Boiler, cast iron | 12 | 12 | 23.6 | 24.0 | 9.1 | 5.9 | 35.0 | 4.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Heat exchanger, horizontal (trench) ground | 9 | 8 | 13.8 | 13.0 | 2.7 | 1.9 | 20.0 | 11.0 | 1 | 17.0 | 17.0 | n/a | n/a | 17.0 | 17.0 |
| Municipal water plant | 6 | 6 | 10.7 | 11.0 | 2.2 | 1.7 | 13.0 | 7.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Heat exchanger, vertical bore | 214 | 144 | 11.3 | 11.0 | 5.7 | 1.0 | 37.0 | -16.0 | 70 | 27.6 | 25.0 | 13.6 | 3.6 | 69.0 | 4.0 |
| Heat exchanger, ground water, aquifers | 35 | 28 | 23.2 | 18.5 | 12.8 | 4.7 | 53.0 | 7.0 | 7 | 32.0 | 21.0 | 27.8 | 20.6 | 88.0 | 8.0 |
| 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 |
| Chiller, heat recovery, centrifugal | 2 | 1 | 25.0 | 25.0 | n/a | n/a | 25.0 | 25.0 | 1 | 65.0 | 65.0 | n/a | n/a | 65.0 | 65.0 |