This double vent crank controlled awning window is a great way to increase natural ventilation in Lord & Burnham greenhouses (and others). The double vent awning window uses a high-quality crank handle, and is a great replacement for the older crank windows installed in Lord & Burnham greenhouses.
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We have been building Lord and Burnham greenhouses for over 30 years.
We sell motors that can operate many different types of greenhouse vents.
We have been building Lord and Burnham greenhouses for over 30 years.
We hope you enjoy some of our greenhouse photos we've accumulated in the last 36+ years.
Greenhouse Projects