DIY Passive Solar Greenhouse Plans

Engineered for Serious Year-Round Growers

Ceres DIY greenhouse plans are created for experienced builders, homesteaders, and sustainability-minded growers who want more than a hobby greenhouse. These structures are engineered to support stable growing conditions through winter, reduce supplemental heating needs, and integrate proven passive solar design principles.

Whether you are growing in a cold mountain climate, extending your season dramatically, or working toward greater food independence, our greenhouse systems are designed to perform in real-world conditions.

Designed Around Performance

Most DIY greenhouse plans focus on low upfront cost. Ours are designed around thermal performance, durability, and year-round growing capability.

Every Ceres greenhouse incorporates core passive solar greenhouse principles, including:

Climate battery / GAHT® compatibility & integration
Natural ventilation and summer cooling
Condensation and humidity management
Structural engineering for snow and wind loads

The result is a greenhouse that maintains more stable temperatures, reduces heating demand, and supports productive growing throughout the year.

What Makes a Ceres Greenhouse Different?

Passive Solar by Design

A greenhouse should do more than trap heat during the day.

Ceres greenhouses are designed to collect, store, and redistribute solar energy efficiently. By combining passive solar orientation, insulation, and thermal storage strategies, these structures help moderate temperature swings and improve winter growing performance.

For growers already familiar with climate batteries or GAHT® systems, our designs provide a strong foundation for deeper thermal regulation and energy storage.

Engineered Construction Plans

Each plan set includes detailed engineered construction documents intended for serious builders and owner-builders with construction experience.

Plans include:

Foundation and framing details
Structural specifications
Material lists
Elevations and sections
Ventilation guidance
Polycarbonate glazing installation instructions
Thermal design considerations

Designed for long-term durability and real-world buildability.

Built for Challenging Climates

Many greenhouse kits struggle with:

extreme temperature swings,
snow loading,
overheating,
humidity buildup,
or excessive heating costs.

Our systems are specifically developed to perform in demanding climates and support productive growing beyond the traditional season.

Whether you are in a cold northern climate, high desert environment, or mountain region, passive solar greenhouse design can dramatically improve growing consistency while lowering energy inputs.

Who These Plans Are For

Ceres DIY greenhouse plans are best suited for:

Experienced DIY builders
Homesteaders and small-scale growers
Sustainability-focused homeowners
Four-season gardeners
Growers in cold or variable climates
People interested in passive solar and climate battery systems
Customers seeking long-term performance over low upfront cost

Whether you are building for food production, resilience, education, or self-sufficiency, our DIY greenhouse plans are designed to help serious growers create productive year-round growing environments.

$ 950

Construction blueprints (framing plans) including elevations and wall sections
Quality Engineering: Structure and roof framing engineered per 2018 IRC for 40 lbs / sq.ft. snow load, 135 mph V-ULT (3-second gust) wind speed at IBC exposure C, Seismic Zone B
Materials list and sourcing information
Instructions on installing polycarbonate roofing
Optimized integration for GAHT® system (sold separately)

$ 1,450

With our Ground to Air Heat Transfer (GAHT®) system, the greenhouse is also naturally heated and cooled year round by storing excess heat in the soil underground.
This plan package combines building plans for the greenhouse, and our plans / instructions for installing a GAHT® system on your own.
Includes everything listed in the Standard Greenhouse Plan