What is required for new commercial buildings between 5,000 and 100,000 square feet?
Builders of such buildings have 2 choices. First, they can use the same modeling as for buildings above 100,000 square feet, and meet the same standard of 20% below American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) 90.1 2007. Alternatively, they can choose a set of “prescriptive” requirements for particular efficiency measures, based on the new base energy code for commercial buildings (International Energy Conservation Code 2009), supplemented by cost-effective energy saving enhancements taken from the Core Performance program developed by the New Buildings Institute.

The Core Performance Program and the newly updated Core Energy Code are nationally-recognized standards already in use by Massachusetts gas and electric utility companies as the basis for providing financial incentives to commercial building developers.

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1. How is the stretch energy code different than the existing energy code?
2. What is the anticipated cost of implementing a more stringent energy code?
3. What kinds of technical and financial help are available to property owners and contractors?
4. What building types does the stretch energy code apply to?
5. Does the stretch code apply to major renovation projects as well as new construction?
6. Does the stretch code apply to minor additions to existing buildings?
7. What happens to buildings not covered by the stretch energy code?
8. What standards are the stretch code appendix based on?
9. What is required for large new commercial buildings above 100,000 square feet?
10. What is required for new commercial buildings between 5,000 and 100,000 square feet?
11. What would be required of small new commercial buildings, below 5,000 square feet?
12. How are new commercial buildings with special energy needs handled?
13. How do the benefits and costs from the commercial stretch code standards compare to the baseline code?
14. What categories do multifamily residential buildings fall into?
15. What training and materials are available on these standards?
16. How would the stretch code be implemented and enforced?
17. How does the stretch code work with Leadership in Energy and Environmental Design (LEED) buildings?
18. Does the stretch code require 3% renewable electricity or solar panels?
19. Where can I find and read more about the stretch code appendix?