Method 10: Indoor Coil Pressure Drop
Method 10: Indoor Coil Pressure Drop
| Indoor Coil Pressure Drop |
Rating | Comments |
|---|---|---|
| Overall Value | ![]() |
Cost-effective method, provides good measurement on new clean systems with proper OEM chart. Is not accurate if system is dirty. |
| Recognized by Standard 310 | No | Not recognized by ANSI/ACCA/RESNET. |
| Residential Accuracy |
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Fair accuracy if a new systems with right OEM table. |
| Consistency | ![]() |
Inconsistent readings if condition of equipment is not clean (matching the OEM table). |
| Equipment Cost |
$ | Cost-effective, can start very low (<$100, to about $600). |
| Time (Min) | 5 to 10 | Process is straightforward and quick. |


