How Can I Keep My Residential Greenhouse From Overheating?

By Paige Schavey   As summer approaches and the outside temperatures begin to rise, the temperature inside your greenhouse will begin to rise with it.  How do you combat overheating inside your greenhouse? Here are four things you can do to keep those temps down.   Passive Ventilation  Open any windows and doors and leave…

An Introduction to Vapor Pressure Deficit

How well do you understand temperature and relative humidity? By Harry Connor Vapor Pressure Deficit (VPD) is used by growers to assess how dry the air is at a given moment. If the air is too dry, photosynthesis will stop in order to protect the plant from exhaustion. Photosynthesis is the process of converting sunlight,…

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…

Water Barrels vs. Phase Change Material

  Innovation plays an important role in every industry. Bulky, inefficient methods are catalysts for new-age technology. Since traditional greenhouses lack insulation, thermal masses can provide extra heat. Thermal mass materials absorb heat during the day and release the heat back into the greenhouse at night. Water barrels are widely used to maintain temperatures in…

Setting Controls in a GAHT System or Climate Battery

A climate battery is a ground to air heat exchanger, which provides year-round heating and cooling of solar greenhouses and other structures using the thermal mass of the soil underground. Ceres’ patent-pending Ground to Air Heat Transfer (GAHT™) is a high-performance climate battery specialized for year-round greenhouse growers. For more on how a GAHT™ system…

Tips on Using Water Barrels in a Solar Greenhouse

Year round greenhouses, or even those used for season extension, face the challenge of extreme temperature swings. The structure collects excessive amounts of heat during the day when the sun is out, causing them to easily overheat. However, they quickly lose this heat at night due to a lack of insulation, resulting in overcooling or…

Energy-Efficient Ways to Cool a Greenhouse

Growing in a year-round greenhouse often means contending with heat. For most crops, photosynthesis slows when temperatures exceed 95 F. As the dog-days of summer hit, we explore the most energy-efficient ways of cooling a greenhouse. 1. Keep heat out (Shade Cloth)  Best for: all climates The first is to reduce light and heat gain…

Get More Out of Your Solar Greenhouse This Winter with Phase Change Material

“The Phase Change Material has been up for a few weeks now and is keeping the greenhouse about 20 degrees warmer than the minimum outside temp. Without the PCM, the greenhouse was about 10 degrees warmer. As of today [Nov 17th] I am still getting lots of tomatoes, cucumbers and bell peppers. My Myer’s lemon…