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The Struggle to Combine Energy Efficiency and Solar Power

Energy efficiency upgrades may be less trendy than solar power, but they can deliver substantial financial benefits to both contractors and homeowners. They also often have a more rapid payback than solar installations provide.
Nearly zero-energy buildings: building for energy efficiency, comfort and affordability.

Assessing and installing comprehensive energy efficiency measures is much more complicated and time-consuming than installing a few solar panels.

“Installing energy efficiency involves a different knowledge and skill set. In general, solar contractors don’t train solar installers to do energy efficiency.”