The Complete GeoMass Library
Four volumes covering everything from first principles to contractor training — the definitive resource on Renewal Thermal Energy.
Renewal Thermal Energy: The Foundation
The starting point for understanding the GeoMass system. Covers the physics of thermal mass, historical precedents, and the core principles that make the system work. Ideal for homeowners and curious minds.
- History of thermal mass
- Physics of heat storage
- Why modern HVAC wastes energy
- Overview of the GeoMass system
Renewal Thermal Energy: System Design
The engineering handbook. Covers thermal mass sizing, pipe layouts, pump selection, and integration with existing heating systems. For readers who want to understand or plan a build.
- Thermal mass calculations
- Underground pipe system design
- Pump and control system selection
- Integration with existing HVAC
Renewal Thermal Energy: Advanced Innovations
Pushing the system further. Multi-home configurations, commercial applications, grid-scale thermal storage, and the future of renewable thermal energy at a community level.
- Multi-home shared systems
- Commercial building applications
- Grid-scale thermal storage
- Future innovations
The GeoMass Cookbook — Contractor Training Manual
The professional build guide. Step-by-step instructions for calculating energy needs, designing the system, sourcing materials, and training a crew. The industry standard for GeoMass contractors.
- House energy calculation worksheets
- Full system build instructions
- Material sourcing guide
- Contractor certification prep
Renewal Thermal Energy — Complete 3-Book Bundle
Get all three core volumes in one discounted bundle. Everything you need to understand, design, and build the GeoMass system — from foundational physics to advanced multi-home configurations. Save $30 compared to buying individually.
- All content from Volumes 1, 2 & 3
- Foundation, design & advanced innovations
- Best value for complete learning
- Save $30 vs. individual purchase
Become a Certified GeoMass Contractor
The GeoMass Cookbook is the foundation of contractor training. Combined with a consultation with Gabriel, contractors can offer GeoMass systems to their clients with full confidence. Contact us to discuss licensing and training options.
Inquire About Contractor Training