Heating & Cooling

In order to reduce installation costs and facilitate easier installations, Link4 has introduced a line of Integrated Contactor Panels for our new 100 Series Environmental Controllers With Integrated Contactor Relay Panels you will receive a UL & cUL...

Today's environmental controllers make saving energy costs easy and affordable! If you thought they were too difficult to use, too expensive to install, or too complicated to operate, think again. The DIF feature allows you to grow denser, high...

Functional and energy efficientPolycarbonateBrush molding seals out drafts and air leaks

The six-bladed propeller with a high efficiency design produces more CFM/WATT at lower RPM, which saves on your electric bill. The automatic belt tightener eliminates belt tension problems and one maintenance operation, and the fan stays super quiet...

AC13431048 - 1/3 hp single speed motor for Coolair fan (115/230v)-$225AC13432456 - 1/3 hp two speed motor for Coolair fan (115v)-$325AC13433656 - 1/2 hp single speed motor for Coolair fan (115/230v)-$247AC13432556 - 1/2 hp two speed motor for Coolair fan...

The Delta Tube large diameter EPDM rubber tube in-ground heating system is ideal for larger ranges. The system excels in the nursery industry and is economical for starter houses because it can save 20% or more on fuel costs versus conventional forced...

The Delta Tube HD is a high density polyethylene floor heating system that is an excellent choice for heating warehouses, retail areas, potting areas and greenhouses. It installs easily, and because the tubing is installed directly into the concrete...

Delta Fin TF comes in two sizes; Delta Fin TF1 with 3/8in integral fins on the top and bottom, and the Delta Fin TF2 with 1.0in fins. The Delta Fin provides the necessary heat with very low water volume, resulting in high efficiency and a quick response...

Delta Fin SF125 and SF200 multi fin is the right choice for uniform convection heating. This system can either be used for heating the greenhouse from the perimeter or can run under the gutter for snow melting. Constructed of aluminum, it dissipates heat...

Swaged tubing is used for the roller bar. Connect each pipe with swaged end into non-swaged end with 2 tek screws or with bolt and nut. Tubing is 1.315", 17 ga. x 21'.

Used at top of roll-up sides to hold rope.

125' rope to hold roll-up curtain in place.