Don’t light that fireplace until you check this first. Every year, folks burn through a cord of wood and still wake up to a cold house, and they think the fix is more wood, or a better furnace, or a thermostat with a few extra buttons. That’s not the problem. The problem is the heat you made last night is long gone by sunrise, and nobody ever taught you why.

Digital ebook (PDF). Instant download after purchase, no physical item shipped.

What’s Inside

• Why Your Furnace Is Robbing You Blind
• Inside the Old Masonry Stove
• Building a Brick Heat Sink Behind Your Wood Stove
• Rocket Mass, Masonry Stove, or Plain Wood Stove
• Old Fireplace, New Tricks
• The South Wall That Heats Itself
• Banking Heat in the Ground
• Inside the Water-Jacketed Cookstove
• What You Burn Matters as Much as How
• Check This Before You Light the First Fire of the Season