Passive Building
Radon Gas Mitigation in Tight Homes: Passive Sub-Slab Venting vs. Active In-Line Fans
An empirical technical engineering guide covering passive radon mitigation system design. Detailed equipment sizing formulas, 2...
All Engineering & Cost Guides
Showing 10 of 100 published peer-reviewed technical articles
Passive Building
Insulated Concrete Forms (ICF) vs. Wood Framing: R-Value, Acoustic STC & Structural Integrity
An empirical technical engineering guide covering icf vs wood framing cost and r value. Detailed equipment sizing formulas, 202...
Passive Building
Unvented Conditioned Attics: Spray Foam Roof Deck Insulation & Dew Point Control
An empirical technical engineering guide covering unvented attic spray foam roof deck. Detailed equipment sizing formulas, 2026...
Passive Building
Home Energy Audits with Infrared FLIR Cameras: Locating Air Infiltration & Insulation Voids
An empirical technical engineering guide covering thermal imaging home energy audit. Detailed equipment sizing formulas, 2026 i...
Passive Building
Light Clay Straw (Lehmwickel) Infill: Natural Non-Toxic Wall Insulation & Thermal Mass
An empirical technical engineering guide covering light clay straw construction slip straw. Detailed equipment sizing formulas,...
Alternative Farm Equipment
Solar Drip Irrigation Sizing: Flow Rate (GPM), Emitter Spacing & Direct DC Solar Pumps
An empirical technical engineering guide covering solar drip irrigation system design. Detailed equipment sizing formulas, 2026...
Alternative Farm Equipment
Two-Wheel Walk-Behind Tractors: BCS vs. Grillo PTO Horsepower, Flail Mowers & Rotary Plows
An empirical technical engineering guide covering bcs vs grillo walk behind tractor. Detailed equipment sizing formulas, 2026 i...
Alternative Farm Equipment
Small-Scale Farm Methane Digesters: Daily Biogas Yields per Cow & H2S Iron Sponge Scrubbers
An empirical technical engineering guide covering small scale farm anaerobic digester. Detailed equipment sizing formulas, 2026...
Alternative Farm Equipment
Winter Livestock Watering: Solar DC Immersion Heaters vs. Geothermal Earth Troughs
An empirical technical engineering guide covering solar powered winter stock tank heater. Detailed equipment sizing formulas, 2...
Alternative Farm Equipment
Climate Battery Greenhouses: Subterranean Air Pipe Loops & Ground Heat Storage
An empirical technical engineering guide covering climate battery greenhouse design. Detailed equipment sizing formulas, 2026 i...