Van Wingerden offers a range of services for heating a greenhouse including consultation, design and installation of floor, overhead and underbench heating systems; boiler rooms, ring mains, heat distribution manifolds, insulation of heat pipes and a variety of control options from the simplest unit controllers to integrated computer svstems. Heat systems are designed with aid of computer models to minimize temperature variation in a greenhouse compartment. Some of the heating systems that we offer are summarized below.

Hot Water Heating Systems

• Systems can be installed in most types of greenhouse structure.
• Boilers can either be 2-pass or 3-pass, dryback or wetback. Scotch Marine boilers which burn gas and/or No. 2 oil. Mini-boiler or gas fired copper-finned tube boilers are also offered.
• Both four-way and three-way mixing valves are available.
• Heat distribution manifold systems can be designed for cluster control.
• Heating for irrigation water is offered.
• The design of ring mains or transportation systems is available.
• Overhead heating systems can be installed using either Gatorshield or black steel heating pipe.
• Floor heating svstems typically use polybutylene tube with fused or polypropylene tube with individual loop isolation. Floor heating systems are also offered so that they can be integrated with ebb and flood irrigation systems. They are typically used in conjunction with overhead hot water heating systems or with unit heaters.
• Underbench heating systems are offered with Gatorshield or black steel pipe.

Hot Air Heating Systems