HVAC Systems Equipment Service Life
| Equipment Item |
Median Years |
Air Conditioners Residential Through-the-wall Water Cooled Package Computer Room |
15 15 15 15 |
Heat Pumps Air to Air Water to Air |
12 19 |
Commercial Package Units Single-zone Multi-zone |
15 15 |
Boilers Steel Water-tube Cast Iron Electric |
24 30 15 |
Furnaces
Unit Heaters |
18
18 |
|
| Equipment Item |
Median Years |
Air Terminals Induction Fan Coil Units VAV Boxes |
27 20 |
Fans Centrifugal Axial Propeller Ventilating |
25 20 15 20 |
Coils D-X, water, steam Electric |
20 15 |
Heat Exchangers
Pumps |
24
20 |
Controls Pneumatic Electric Electronic
Air Cooled Condensers |
20 16 15
20 |
|
Information obtained from American Society of Heating Refrigeration & Air Conditioning Engineers Systems Handbook