Certification & Licensing
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InterNACHI®
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| Title | Date |
|---|---|
| How to Inspect for Air Leakage in a Home | Oct 31, 2016 |
| How an Attic Door Reduces R-30 to R-6 | Nov 7, 2016 |
| Inspecting HVAC Duct Leakage and Energy Loss | Mar 31, 2017 |