By Rex Halbeisen
Books & Published Works
Leading the Energy Transformation – One Book at a time.
Transformation starts with education.
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📚 Books by Rex Halbeisen
Leading the Energy Transformation—One Book at a Time
Rex Halbeisen is a nationally recognized authority on Energy Technology Systems Integration (ETSI) and a trusted guide for energy-conscious homeowners, tradespeople, and small business leaders. With a sharp focus on real-world solutions and actionable frameworks, Rex helps readers rethink energy not as a commodity—but as an opportunity.
Whether you’re an HVAC contractor, solar installer, renter, or reentry program manager, Rex’s growing library of books gives you the tools to save money, create value, and lead in the new energy economy.
🌟 The Energy Savings Catalyst
Are you ready to take control of your energy future?
In The Energy Savings Catalyst, technology veteran, visionary, and catalyst Rex Halbeisen delivers the ultimate guide for homeowners, renters, and business owners looking to cut or even eliminate their energy costs—while gaining true energy independence.
This comprehensive, jargon-free reference dives deep into today’s most effective energy-saving technologies while also preparing you for tomorrow’s innovations. From rooftop solar and energy storage to electricity optimizers, microwind turbines, phase change shields, smart home systems, heat pumps, electric water heating, geothermal, EVs, and beyond—Rex lays out a practical, step-by-step roadmap to maximize efficiency.
But this isn’t just a tech manual. You’ll also learn:
- How to adopt behavioral habits that lower consumption and increase savings
- The role of AI, automation, and electrification in shaping energy demand
- How to navigate rebates, tax credits, and financing options
- The hidden industry forces and grid vulnerabilities influencing energy prices
- Long-term strategies for achieving Energy Intendance—self-reliant, resilient energy living
Whether you own, rent, or operate a small business, The Energy Savings Catalyst empowers you to waste less, save more, and own your energy future—on your terms.
🔄 Convergence: The Consolidation of Solar, HVAC, and Conservation Technologies
Generation, efficiency, and conservation—together at last.
Convergence explores how these three pillars are merging into a unified energy service model. Learn how to partner across trades, design seamless energy systems, and stay competitive in a world moving toward electrification and energy intelligence.
🌞 Transform Your Solar Company into an Energy Technology Systems Integration Company
The definitive guide for solar professionals ready to evolve.
This book helps solar contractors shift from selling panels to delivering full-spectrum energy solutions. Learn how to thrive beyond policy changes, expand into new offerings like storage and controls, and create value through systems thinking.
❄️ Transform Your HVAC Company into an Energy Technology Systems Integration Company
HVAC contractors are uniquely positioned to lead in the ETSI space.
Discover how to transform your service-first company into an energy powerhouse by bundling HVAC with solar, insulation, smart thermostats, and more—while creating long-term customer relationships and recurring revenue streams.
🔜 More Books Coming Soon
Rex Halbeisen continues to write and publish new guides to help people and businesses thrive in the clean energy transition. Upcoming titles will include:
- ETSI Business Plan Toolkit
- The Service-First ETSI Model
- Workforce Readiness in the Clean Energy Economy
📩 Subscribe for updates
🔗 Visit Rex’s Author Page on [Amazon / Bookstore]
🔗 Explore energy transformation tools at EnergySavingsCatalysts.com