Passive Building
Roof Overhang Sizing for Solar Shading: Solar Altitude Angle Equations & Latitude Ratios
An empirical technical engineering guide covering passive solar roof overhang calculation. Detailed equipment sizing formulas, ...
All Engineering & Cost Guides
Showing 10 of 100 published peer-reviewed technical articles
Passive Building
Thermal Mass Sizing: Volumetric Heat Capacity of Concrete, Masonry & Trombe Walls
An empirical technical engineering guide covering thermal mass sizing ratio passive solar. Detailed equipment sizing formulas, ...
Passive Building
Triple-Pane vs. Double-Pane Low-E Windows: U-Factor, SHGC, Condensation & Payback
An empirical technical engineering guide covering triple pane vs double pane windows cost. Detailed equipment sizing formulas, ...
Passive Building
Continuous Exterior Insulation (ci): Eliminating Thermal Bridging in 2x6 Framing
An empirical technical engineering guide covering continuous exterior insulation 2x6 framing. Detailed equipment sizing formula...
Passive Building
Cold-Climate Air-Source Heat Pumps: Low-Ambient Heating at -15°F & Inverter Compressors
An empirical technical engineering guide covering cold climate heat pump -15 degrees. Detailed equipment sizing formulas, 2026 ...
Passive Building
Blower Door Testing & Air Sealing: Target ACH50 Thresholds, Smoke Pencils & AeroBarrier
An empirical technical engineering guide covering blower door test ach50 calculation. Detailed equipment sizing formulas, 2026 ...
Passive Building
HRV vs. ERV Mechanical Ventilation: Sensible vs. Latent Heat Recovery Across US Climates
An empirical technical engineering guide covering hrv vs erv for tight house. Detailed equipment sizing formulas, 2026 installe...
Passive Building
Insulation Material Showdown: Closed-Cell Foam vs. Dense-Pack Cellulose vs. Rockwool
An empirical technical engineering guide covering spray foam vs mineral wool vs cellulose. Detailed equipment sizing formulas, ...
Passive Building
Earth-Sheltered & Bermed Homes: Structural Soil Loads, Waterproofing & Thermal Stability
An empirical technical engineering guide covering earth sheltered home construction cost. Detailed equipment sizing formulas, 2...
Passive Building
Solar Chimneys & Thermal Siphons: Zero-Energy Cooling Using the Buoyancy Stack Effect
An empirical technical engineering guide covering solar chimney passive cooling design. Detailed equipment sizing formulas, 202...