The 3 Rules of Air Sealing It’s not that hard really, at least in principle. You want to reduce the air leakage in your home so you keep the conditioned air inside and the cold air outside this winter. What’s the advice of all those stories… Continue reading “The 3 Rules of Air Sealing”
What is String Sizing in PV Solar Design? Sean White Explains String sizing is one of the most critical and foundational calculations in PV system design. At its core, string sizing is about understanding how solar modules behave under different temperature conditions and ensuring your system operates safely within the voltage… Continue reading “What is String Sizing in PV Solar Design? Sean White Explains”
How Companies Launch an O&M Department (and Why Your Accounting Matters More Than You Think) There’s a predictable moment in virtually every growing solar company’s trajectory – the day you realize that pulling installers off job sites to handle service calls is costing you more than you thought. Most solar businesses don’t strategically plan their… Continue reading “How Companies Launch an O&M Department (and Why Your Accounting Matters More Than You Think)”
Rapid Shutdown in PV Installations: Sean White Explains Rapid shutdown requirements can feel overwhelming, but they’re actually pretty straightforward once you understand their purpose. In this video, HeatSpring instructor Sean White cuts through the confusion about NEC 690.12 rapid shutdown requirements for PV systems on buildings. He explains… Continue reading “Rapid Shutdown in PV Installations: Sean White Explains”
Understanding BPI Certifications | Insights from Industry Expert Brynn Cooksey Building Performance Institute (BPI) certifications are essential credentials for building science professionals across the country. To guide you through the BPI certification journey, we turned to Brynn Cooksey, HeatSpring’s lead BPI certification prep instructor and owner of Air Doctors Heating… Continue reading “Understanding BPI Certifications | Insights from Industry Expert Brynn Cooksey”
Got Skills People Keep Asking You About? Maybe It’s Time to Teach. If you’ve been in the trades or clean energy industry for a while, you may be one of those people who get asked the same questions over and over. How do you approach this tricky install? What’s your process for… Continue reading “Got Skills People Keep Asking You About? Maybe It’s Time to Teach.”
Solar & Storage Conferences Happening in 2026 The 2026 conference circuit isn’t slowing down, despite the market and policy challenges facing the industry. These events remain one of the most direct ways to see new products, understand policy changes, and connect with the people driving the market… Continue reading “Solar & Storage Conferences Happening in 2026”
Building Performance + HVAC Conferences Happening in 2026 The work of making buildings more efficient, comfortable, and resilient doesn’t happen in isolation. In-person events and conferences remain the most direct way to see what’s actually working in the field – new equipment innovations that solve old problems, code… Continue reading “Building Performance + HVAC Conferences Happening in 2026”
The Hidden ROI of Solar Service Work Many solar companies only think about operations and maintenance (O&M) in simple terms: what does it cost to roll a truck for a service call, and what revenue does that call generate? But this narrow accounting view can miss the… Continue reading “The Hidden ROI of Solar Service Work”
New Addition to AI Tools Course: Building Web Apps Without Being a Developer HeatSpring’s Director of Enterprise Learning Brick Maier recently delivered a comprehensive workshop demonstrating how to build and deploy web applications – from idea to deployed app in just 26 minutes – using Claude Code, and all the demo videos and… Continue reading “New Addition to AI Tools Course: Building Web Apps Without Being a Developer”
The State of Solar Jobs 2025 Where are solar jobs today? Which market segments are hiring? And what do the latest employment numbers tell us about where the industry is headed? We turned to the Interstate Renewable Energy Council’s (IREC) newest National Solar Jobs Census to… Continue reading “The State of Solar Jobs 2025”
Is 2026 the Year You Get Your NABCEP PV Installation Professional Certification? Ready to level up your solar career in 2026? There’s never been a better time to pursue your NABCEP PV Installation Professional (PVIP) Certification. If you don’t yet have all your required installation experience, NABCEP’s new Board Eligible Status program… Continue reading “Is 2026 the Year You Get Your NABCEP PV Installation Professional Certification?”
Stop Juggling Certification Renewal Dates: Track All Your Credentials in One Place If you’re maintaining professional certifications in solar, energy storage, or building performance, you’re probably tracking renewal dates across multiple organizations. NABCEP has one timeline. BPI credentials follow another. Some certifications like OSHA 10 and 30 don’t expire at all, but… Continue reading “Stop Juggling Certification Renewal Dates: Track All Your Credentials in One Place”
Why Do Electrical Panels Often Have More Loads Than Supply? Have you ever added up all the breakers in an electrical panel and realized the total capacity of all those breakers exceeds what the main service can actually supply? If you’re like most people, this raises the question: why would… Continue reading “Why Do Electrical Panels Often Have More Loads Than Supply?”
Celebrating Workforce Development: Go Solar Academy Despite market ups and downs, the solar industry continues to need skilled workers ready to meet demand when opportunities arise. Go Solar Academy, based in Minneapolis, is working to build that pipeline by reaching students early – starting as early… Continue reading “Celebrating Workforce Development: Go Solar Academy”
Taking a Look at Ground-fault Path Scenarios: Positive Ground Fault on a Transformer-Based Inverter When it comes to solar PV systems, understanding ground fault scenarios is crucial for both safety and proper system operation. This video excerpt from our comprehensive “Solar PV Ground-fault Troubleshooting: Theory, Tools, and Field Application” course demonstrates why mastering the… Continue reading “Taking a Look at Ground-fault Path Scenarios: Positive Ground Fault on a Transformer-Based Inverter”
What Are the Components of a Main Service Panel? When you’re scoping a solar project, a battery system, or a whole-home electrification retrofit, one of the first considerations will be main service panel capacity. Panel capacity is affected by its components: the service conductors, meter, busbar rating, and main… Continue reading “What Are the Components of a Main Service Panel?”
Prep for Two Industry Credentials with HeatSpring PRO If you’re a solar professional looking to future-proof your career, there’s never been a better time to expand your skillset. The residential solar market is evolving quickly, and the professionals who thrive will be those who can offer more than… Continue reading “Prep for Two Industry Credentials with HeatSpring PRO”
EMS vs. PCS in the 2026 NEC: Understanding the Critical Differences Every three years, the National Electrical Code gets a chance to clarify anything that wasn’t quite right the last time around. Sometimes that means refining vague language. Other times it means introducing new terms to distinguish between concepts that were… Continue reading “EMS vs. PCS in the 2026 NEC: Understanding the Critical Differences”
Save Now, Enroll Later: Meet the HeatSpring Wishlist We’re excited to announce a new feature that makes it easier than ever to keep track of courses you’re interested in: the HeatSpring Wishlist. How It Works Found a course that catches your eye but you’re not quite ready to… Continue reading “Save Now, Enroll Later: Meet the HeatSpring Wishlist”