Service Life Data Query
Use criteria to evaluate potential service life in different HVAC components and building environments.
Matching Buildings
108
Equipment Found
2,255
Criteria
System Type: Miscellaneous
* 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 | ||
| Computer room air conditioning unit, water-cooled DX compressor | 94 | 91 | 13.6 | 13.0 | 6.6 | 3.0 | 23.0 | 3.0 | 3 | 14.0 | 14.0 | 5.7 | 7.8 | 18.0 | 10.0 |
| Exhaust fan | 226 | 222 | 20.2 | 21.0 | 8.4 | 2.1 | 46.0 | -1.0 | 4 | 18.3 | 16.0 | 6.8 | 7.7 | 26.0 | 13.0 |
| Domestic hot water heater, electric | 309 | 273 | 15.5 | 17.5 | 8.2 | 2.0 | 34.0 | -1.0 | 36 | 11.8 | 12.0 | 5.4 | 2.5 | 26.0 | 2.0 |
| Unit heater, electric | 138 | 131 | 13.5 | 10.0 | 8.4 | 3.7 | 29.0 | 3.0 | 7 | 13.0 | 12.5 | 8.1 | 8.0 | 21.0 | 6.0 |
| Heat recovery unit, air-to-air | 2 | 2 | 10.0 | 10.0 | n/a | n/a | 10.0 | 10.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Refrigeration equipment (ice machines, walk-in coolers/freezers) | 13 | 12 | 10.3 | 10.5 | 8.4 | 8.3 | 18.0 | 2.0 | 1 | 42.0 | 42.0 | n/a | n/a | 42.0 | 42.0 |
| Domestic hot water heater, natural gas | 26 | 20 | 13.1 | 8.5 | 8.9 | 5.0 | 35.0 | 5.0 | 6 | 15.0 | 15.0 | 7.0 | 7.9 | 22.0 | 8.0 |
| Fresh Air Units | 43 | 41 | 18.9 | 21.0 | 7.5 | 2.8 | 34.0 | 5.0 | 2 | 16.0 | 16.0 | n/a | n/a | 16.0 | 16.0 |
| Perimeter heating, supplemental heating | 810 | 810 | 24.2 | 23.0 | 7.1 | 4.7 | 38.0 | 15.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Other miscellaneous equipment | 163 | 157 | 19.4 | 20.0 | 11.2 | 3.5 | 46.0 | -1.0 | 6 | 18.0 | 16.0 | 7.2 | 6.3 | 26.0 | 8.0 |
| Heat exchanger, plate and frame | 11 | 11 | 13.1 | 8.0 | 8.2 | 5.4 | 25.0 | 5.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Computer room air conditioning unit, chilled water | 268 | 268 | 17.7 | 20.5 | 7.8 | 4.9 | 30.0 | 5.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Baseboard/Finned Tube Radiation | 100 | 100 | 18.1 | 21.0 | 7.8 | 4.4 | 25.0 | 4.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Fume Hoods/Cabinets | 1 | 1 | 22.0 | 22.0 | n/a | n/a | 22.0 | 22.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Smoke control | 15 | 15 | 17.5 | 17.5 | 3.5 | 4.9 | 20.0 | 15.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Humidifiers | 3 | 1 | 7.0 | 7.0 | n/a | n/a | 7.0 | 7.0 | 2 | 23.0 | 23.0 | n/a | n/a | 23.0 | 23.0 |
| Cogeneration | 2 | 2 | 15.0 | 15.0 | n/a | n/a | 15.0 | 15.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Heat exchanger, hot water | 3 | 3 | 38.0 | 38.0 | n/a | n/a | 38.0 | 38.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Unit heater, natural gas | 12 | 12 | 23.0 | 23.5 | 1.7 | 1.3 | 25.0 | 21.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Heat exchanger, heat pipe | 2 | 2 | 5.0 | 5.0 | n/a | n/a | 5.0 | 5.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Dehumidifier, solid dessicant | 2 | 1 | -1.0 | -1.0 | n/a | n/a | -1.0 | -1.0 | 1 | 42.0 | 42.0 | n/a | n/a | 42.0 | 42.0 |
| Heat exchanger, heat wheel | 2 | 1 | -1.0 | -1.0 | n/a | n/a | -1.0 | -1.0 | 1 | 42.0 | 42.0 | n/a | n/a | 42.0 | 42.0 |