How to Reduce Heat in Your Greenhouse with Shade Paint

Summer is almost here! As outdoor temperatures begin to rise, greenhouse temperatures rise as well. Luckily, there are a few methods for reducing the amount of heat that enters your greenhouse. Here at Ceres, we think that shade paint is a great way to reduce greenhouse temperatures. Shade paint can be applied once your greenhouse…

Building a Backyard Greenhouse: Wood vs. Steel

Owning your own backyard greenhouse is an investment that can elevate your gardening experience beyond just providing a year-round growing space. A backyard greenhouse creates a slice of Costa Rica in the middle of a blizzard, it provides a natural therapeutic escape to stretch your green thumb, and can even be an incredibly convenient produce…

Ceres Builds a Solar Greenhouse with “Pink” Technology

In the spring of 2017, the Ceres residential design team collaborated with a passionate environmental science professor at Allegheny College in Pennsylvania to integrate Soliculture photovoltaic roof panels into our 12x16 DIY greenhouse design.   The goal was to create an energy efficient campus greenhouse that produced its own electricity and enhanced the incoming light spectrum…

Is My Plant Getting Enough Light?

The following is an excerpt from The Year-Round Solar Greenhouse, with additional content provided by expert greenhouse grower Paul Alaback. Year-round greenhouse growers, and all gardeners, often wonder whether plants are getting sufficient light. As we’ll explain further below, whether your garden gets enough light is somewhat subjective -- it depends on your expectations. Fortunately,…

How to Choose a Glazing Material for a Year Round Greenhouse

Below is an excerpt from The Year Round Solar Greenhouse. For more on choosing a glazing material for a greenhouse, plus costs and tips for installing glazing materials, please see the book. We live in a plastic-laden age, so when it comes to choosing a material for a year-round greenhouse, the choices can get overwhelming.…

Design Your Own Greenhouse – New Workshops

Over the years we've been contacted by many people interested in designing and / or building their own energy-efficient year-round greenhouse, using passive solar design, our Ground to Air Heat Transfer (GAHT) system and other methods which allow the greenhouse to provide it's own heating and cooling, naturally year-round. Now is your time to learn…

Choosing the Right Angle for Your Greenhouse Roof

The best angle for greenhouse glazing in the roof is not as clear cut as some solar greenhouse designers make it sound. Solar greenhouse designers often cite a rule of thumb along the lines of: To find the “best” angle for a greenhouse roof take your latitude and add 20 degrees.While the logic behind this rule…

10 Do’s and Don’ts for Designing a Ground to Air Heat Transfer System

A Ground to Air Heat Transfer system– also called Earth Tubes or a Climate Battery – is a low-cost method for heating and cooling your greenhouse year-round using only the sun and the thermal mass of the soil underground. For more info on how it works, see our GAHT page here. A GAHT system is…

3 Types of Greenhouse Floors

Even an insulated year-round greenhouse doesn’t need a finished floor as a house does. Most of the footprint will be used as a planting area, which may or may not need a level finished surface. Your flooring option usually depends on how you want to grow in the greenhouse – whether growing directly in the…

Choosing The Best Glazing For Your Greenhouse

We use the term glazing to describe any transparent structural material, whether glass, rigid plastics like polycarbonate, or plastic films. If designing your own solar greenhouse, these materials are critical to greenhouse efficiency and performance. Here are the main variables to pay attention to: light transmittance, insulation, placement, durability and cost. In our next blog we’ll…