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- NC Heating H-1, H-2, H-3-1
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News
**INDUSTRY UPDATE** North Carolina Licensed HVAC Contractors: House Bill 243
New Law Temporarily Lowers R-Values for Duct Insulation to R-4.2
Governor Roy Cooper signed this legislation yesterday, March 17, 2022
House Bill 243 – Duct Notice 3-17-2022 |
This new law temporarily changes the Commercial and Residential insulation R-value for ducts installed in ventilated and nonventilated non-conditioned spaces (crawlspaces and attics).
Based on this legislation, contractors can install ducts in Residential ventilated and non-ventilated unconditioned spaces (crawlspaces and attics) with a minimum of R-4.2 insulation. This law will allow for reduced duct insulations values for a period of two years and is now in effect.
- Any changes in duct insulation values must be included in your load calculation
- If you are questioned by an inspection department in reference to the duct R-values, please refer them to House Bill 243
- That actual language for this legislation can be viewed at the following link: https://www.ncleg.gov/BillLookUp/2021/h243
- Once you click on the link, you will need to click on “SL 2022-6” in the tool bar on the left side of the webpage. The duct work language is on pages 46 – 47
- For changes to commercial projects please see the specifics in this legislation
NC Electrical License Exams Change to 2020 NEC Beginning March 1, 2022
Heads up on the NC Electrical License Exams and the Required Codebook:
Beginning March 1, 2022, all examinations will be based upon the National Electrical Code, 2020 Edition. All exams scheduled on or after 03/01/2022 will be based upon the 2020 NEC. All other books and reference materials will remain the same