Service Life Data Query
Use criteria to evaluate potential service life in different HVAC components and building environments.
Matching Buildings
344
Equipment Found
27,752
Criteria
System Type: Air Distribution
* 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 | ||
| Air handling unit, constant volume | 206 | 184 | 25.9 | 27.0 | 11.9 | 4.8 | 46.0 | 6.0 | 22 | 34.7 | 40.0 | 20.5 | 23.2 | 52.0 | 12.0 |
| Air handling unit, variable air volume | 962 | 893 | 18.6 | 20.0 | 8.8 | 1.8 | 47.0 | -20.0 | 69 | 28.2 | 26.0 | 12.4 | 6.3 | 64.0 | 12.0 |
| Packaged DX unit, water-cooled | 187 | 177 | 14.8 | 17.0 | 9.0 | 4.3 | 35.0 | 4.0 | 10 | 22.0 | 22.0 | n/a | n/a | 22.0 | 22.0 |
| Packaged DX unit, air-cooled | 32 | 32 | 14.1 | 15.0 | 7.0 | 4.1 | 27.0 | 6.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Heat pump, water-source | 1,484 | 1,379 | 17.5 | 21.0 | 7.1 | 2.9 | 27.0 | 4.0 | 105 | 16.5 | 16.5 | 0.7 | 1.0 | 17.0 | 16.0 |
| Air handling unit, variable volume, variable temperature | 196 | 61 | 20.1 | 21.5 | 9.2 | 5.2 | 34.0 | 4.0 | 135 | 12.0 | 12.0 | n/a | n/a | 12.0 | 12.0 |
| Other air distribution equipment | 3,089 | 3,027 | 13.6 | 11.0 | 12.2 | 5.6 | 51.0 | -1.0 | 62 | 20.5 | 20.5 | 6.4 | 8.8 | 25.0 | 16.0 |
| Split DX system | 174 | 173 | 17.9 | 19.0 | 4.9 | 3.2 | 24.0 | 7.0 | 1 | 17.0 | 17.0 | n/a | n/a | 17.0 | 17.0 |
| Air handling unit, dual duct | 20 | 20 | 36.5 | 37.0 | 6.6 | 5.3 | 45.0 | 25.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Packaged DX unit, rooftop | 220 | 215 | 15.6 | 16.0 | 6.8 | 2.1 | 37.0 | 3.0 | 5 | 21.3 | 22.0 | 5.4 | 5.3 | 27.0 | 14.0 |
| Air handling unit, multizone | 229 | 229 | 30.4 | 24.5 | 18.4 | 8.5 | 76.0 | 6.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Fan coil unit | 2,884 | 1,605 | 26.8 | 27.0 | 13.8 | 6.1 | 51.0 | 6.0 | 1,279 | 36.5 | 36.5 | 24.4 | 19.5 | 65.0 | 4.0 |
| Heat pump, air-to-air | 1,296 | 1,295 | 14.1 | 14.0 | 5.7 | 4.2 | 20.0 | 3.0 | 1 | 17.0 | 17.0 | n/a | n/a | 17.0 | 17.0 |
| Heat pump, water-to-air, geothermal application | 15,090 | 11,368 | 11.9 | 12.0 | 5.4 | 0.8 | 37.0 | 5.0 | 3,722 | 27.6 | 25.0 | 13.5 | 3.6 | 69.0 | 8.0 |
| Heat pump, water-to-water, geothermal application | 28 | 28 | 12.0 | 13.0 | 1.7 | 2.0 | 13.0 | 10.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Air handling unit, single zone | 87 | 87 | 21.7 | 18.5 | 12.5 | 7.7 | 44.0 | 10.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Residential furn. and pkg'ed condensing unit/heat pump | 132 | 132 | 31.0 | 31.0 | n/a | n/a | 31.0 | 31.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |
| Packaged terminal air conditioner/heat pump | 231 | 231 | 27.0 | 27.0 | 14.1 | 19.6 | 37.0 | 17.0 | 0 | n/a | n/a | n/a | n/a | n/a | n/a |