What Plumbing Engineers Should Know About Renewable Heat
Oct 12, 2026Renewable heat belongs in the commercial hot water conversation. Learn what plumbing engineers should know about solar thermal, storage, controls, backup equipment, and system integration.
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If You’re Revisiting the Water Heater, Revisit the Hot-Water System.
Oct 06, 2026As new DOE commercial water-heating efficiency standards reach their October 6, 2026 compliance date, SunEarth looks beyond the water heater itself. Equipment changes can be an opportunity to reconsider the entire hot-water system - from load and storage to renewable preheat, backup heating and controls.
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Better Hot Water Starts With Better Questions
Oct 05, 2026Commercial hot water design is not just about sizing equipment. It starts with asking the right questions about load, timing, temperature, storage, controls, integration, and long-term operating goals.
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Renewable Heat. Made Here.
Oct 02, 2026This Manufacturing Day, SunEarth celebrates the people, skills and nearly five decades of manufacturing experience behind American-made renewable heat—from raw materials on the production floor to solar thermal systems at work in the field.
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Five Questions Engineers Should Ask Before Sizing Commercial Hot Water
Sep 28, 2026Better commercial hot water design starts before equipment selection. Review five questions engineers should ask about load, storage, backup, controls, and renewable heat before sizing a system.
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New System, Retrofit, or Recommissioning: Three Paths for Commercial Renewable Heat
Sep 21, 2026Commercial renewable heat projects can begin in different ways. Learn how new systems, retrofits, and recommissioning projects can each support commercial solar thermal and solar water heating strategies.
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Five Decades of Solar Heat. And We’re Still Building What Comes Next.
Sep 15, 2026As the IEA Solar Heating and Cooling Programme marks 50 years of international collaboration, SunEarth looks back at nearly five decades of solar thermal manufacturing, engineering and innovation, and ahead to what's next for renewable heat.
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What Modern Controls Add to Commercial Solar Thermal
Sep 14, 2026Modern controls help commercial solar thermal systems become easier to monitor, understand, troubleshoot, and maintain. Learn how controls support renewable heat performance in commercial hot water applications.
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Solar Doesn’t Have to Make Electricity: Why Renewable Heat Matters
Sep 08, 2026Solar energy doesn’t have to become electricity. As the U.S. Department of Energy highlights the role of solar thermal in producing useful heat, SunEarth looks at what that means for commercial hot water, renewable heat and a more load-focused approach to energy.
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Does Your Building Have the Right Load for Commercial Solar Thermal?
Aug 31, 2026Commercial solar thermal is strongest in buildings with consistent hot water demand. Learn which building types and thermal loads are best suited for solar water heating.
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