Discover how thermal mass can turn cold frames and hot beds into hardworking season extenders. From water-filled bottles to stone, brick, and soil, learn simple ways to store daytime heat, protect tender crops from frost, and enjoy fresh harvests well into winter.
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passive solar heating
Should You Keep Blinds Open or Closed in Winter? Smart Window Habits for Colder Climates
Essential Concepts
Open sun-facing blinds by day, especially on south and west windows; close them at night to hold heat and limit drafts. Layered coverings, tight seals, and humidity control matter as much as blind position in cold weather.
