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    Latest from HeatSpring Magazine

    March 24, 2026

    New Course Announcement: Transformer Specification & Applications for Inverter-Based Resources

    As many residential solar designers move up into larger C&I and utility-scale projects, the work starts to look pretty different from a rooftop install. Transformer specification is one of those areas where the learning curve shows up fast and where […]
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    March 24, 2026

    How the Future of DER Interconnection Could Mirror the Evolution of Booking a Flight

    The interconnection process can make or break a project. And yet, it’s difficult to tell exactly how bad the bottlenecks truly are. Distribution-level interconnection data is fragmented across more than 3,000 utilities regulated by 50 different states, with few central […]
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    March 23, 2026

    The Ultimate Guide to Getting Your BPI Cold Climate Air Source Heat Pump (ccASHP) Assessor Certificate

    I learned the hard way why proper heat pump assessment matters in cold climates. As a first-time homeowner in Colorado, I was excited to electrify my home and switch to an air source heat pump. I trusted the contractor who […]
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