• Hot water heating systems utilize the physics of heater to efficiently heat plants. Delta T hot water heating systems create heat under the plant, allowing the heat source to react faster to temperature changes at plant level. Heating from below offers a more constant temperature, better plant quality, and lowers heating costs.
  

• Delta Tube^TM SD
• This system provides the best growing environment for propagators, plug producers, and general growing. Healthy, more uniform plants, and fuel savings of 20 percent or more make this the grower's choice.
  

• Delta Tube^TM  LD
  
• Large Diameter EPDM rubber tubed in-ground heating system is ideal for larger ranges; yet is very economical for starter houses, saving you 20 percent or more over convential foced air heating.
  
• Delta Tube^TM HD
• This is a high-density polyethylene floor heating system that is an excellent choice for heating warehouses, retail areas, potting areas, and greenhouses. It installs easilty. And because the tubing is installed directly into the concrete floow, it doesn't get in the way.  It is great for areas where run-off is a concern. Special manifolds are concealed in a 2' x 3' box in the floor. No tubing is left exposed. PEX tubing with an oxygen barrier is also supplied.
  

• Delta-FIn Multi Fin
  
• The grower's choice for uniform convention heating, the Delta-Fin Multi Fin is constructed of aluminum to dissipate heat quickly. The external surface of 100 linear feat of Delta Fin is approximately the same as 844' of 2" pipe to produce the same amount of heat as it would take 100 feet of 2" Delta-Fin. Its high BTU output means you need fewer units.  All fittings connect with a special coupler, which requires no threading. The unique fittings make it easy to install, maintain, and replace parts. This system is for heating the greenhouse from the perimeter. It is ideal for cold spots and hard to heat areas. Available in 2" and 1-1/4" with a stock length of 12'
  

• GF Shield heaters are a more durable and more reliable source of safe, efficient, and economical heat. With their five-year warranty, the Shield gas heaters have 2-1/2 times the warranty of the competition. Created using stainless steel, it withstands moisture and chemicals; and a tubular heat exchanger provides significantly longer life, 80 percent thermal (combustion) efficiency and the highest BTY output of any gas-fired heater.