Commercial Greenhouse Manufacturer | Agra Tech Inc

Commercial Greenhouse Equipment - Heater systems

Delta T Solutions Hot Water Systems

Heating Systems for All Types of Greenhouses

Delta T Solutions hot water heating systems utilize the physics of heat to efficiently heat the plants. Placing the heat under the plants allows the heat source to react faster to temperature changes at the plant level. Heating from below offers a more consistent temperature, better plant quality and lower heating costs.

  • Hot Water Boilers
  • Heat Exchangers
  • EPDM Rubber Tube Bench-Top Heating
  • Twin-Fin Aluminum Tube heating
  • Multi-Fin Aluminum Tube heating
  • Warm Water Irrigation
  • Hot Water unit Heaters
  • Gas Fired Unit heaters 

You know what you want – to heat your greenhouse efficiently. You also want a heating system that can withstand the harsh greenhouse environment. This is why Delta T Solutions carries a full product line of stainless steel encased Sterling unit heaters and RBI boilers. Their stainless steel construction provides maximum protection against moisture and rust. And while they are built to last; no other heating units are more efficient, economical and safe.

DeltaBench Warm Bench System

Designed for 1-6 benches, Delta T’s DeltaBench commercial grade system is perfect for propagation and germination heating. System uses radiant heat to warm the soil and plant roots. Rooting and plant growth is accelerated by controlling the soil temperature. It provides fuel savings of 20% or more over conventional forced-air heating.

Heating tubes

  • Delta Tube ™ SD - Small diameter EPDM rubber Bench-top heating system
    Placed on two-inch centers, this system provides the optimum growing environment for propagators, plug producers, and for general growing. Healthier more uniform plants coupled with 20% or for more fuel saving over conventional forced air heating makes this system the “grower’s choice”.

  • Delta Tube ™ LD – Large diameter EPDM rubber tube in ground/concrete heating systems
    Placed on 4 or 6” centers, this system is ideal for large ranges and excels in the nursery industry. Very economical for starter houses, this system can also save 20% or more over forced air systems. 

Fin Heating

  • Delta Fin ™ SF – Aluminum multi fin tube
    Provides uniform convection heating. This system is for heating the greenhouse from the perimeter or running under the gutter for snow melting. Constructed of aluminum it dissipates heat quickly. The result is energy efficiency. The external surface of 100 linear feet of the Delta Fin is approximately the same as 844 linear feet of 2” bare pipe. This means it would take 844 feet of 2” pipe to produce the same amount of heat as BTU output means you need fewer units. Delta fin is easy to install because the fittings don’t require threading to connect with the all aluminum coupler. And it’s simple design makes the Delta Fin easy to maintain or replace parts. Ideal for cold spots and hard-to-heat areas, it is available in 2” and 1.25” with a stock length of 12’. 

  • Delta Fin ™ TF – Aluminum twin fin tube
    The twin fin aluminum tube heating system heats the greenhouse from below the bench, which allows for maximum temperature control and accelerated plant growth. Engineered with Delta T’s exclusive quick coupler for ease of installation resulting in no need for special tools. Material comes in standard 20’ lengths and will be cut as required for special bench lengths.

    • Low Water Volume
    • High Efficiency Aluminum
    • No rusting
    • Long Life


  • Natural Draft Boiler
    Natural draft boilers use surrounding air to provide the required heat for radiation. They offer fast response, smooth heat transfer, load matching and up to 82% energy efficiency.
  • Sealed Combustion Boiler
    These units offer superior performance and serviceability in a high efficiency, multi-stage boiler. The sealed combusting chamber provides the flexibility of using outside air or mechanical room air for combustion. With sealed combustion design, this type of boiler also provides now Nox rating that meets the strictest air-quality standards.
  • Heat Exchangers
    Delta T offers steam to water and water to water heat exchangers. All of Delta T’s heat exchangers represent the latest technology in performance and are designed for superb efficiency, low maintenance, long life and fitting into tight spaces.
Delta T Solutions Hot Water Systems | Heater systems | Commercial Greenhouse Equipment