Therma Grow™ greenhouse heaters are advanced, clean-burning, direct fired models that offer 20% better fuel efficiency than traditional greenhouse heaters. So when comparing thermal conversion or seasonal (year-round) efficiency, the Therma Grow™ greenhouse outperforms even the most advanced competitive products and it does so for less money.

• MADE IN U.S.A
• 10 year warranty against heat chamber, case corrosion 
• 99.99% fuel efficient, direct fired technology
• CO2 Generator
• Enclosed flame, controls and gas valve
• Two output sizes, 120,000 Btuh and 220,000 Btuh
• Meet all OSHA emissions requirements for greenhouses.
• Plus models provide even greater heat management features including 2-stage temperature control and heating and air circulation modes.
• Dependable, fuel efficient hot surface ignition
• Quick response, on-demand heat using Hot Surface Ignition
• Easy integration with building controls
• 100% test fired at our plant
• High elevation models available. (Please specify elevation while ordering.)

Bloom 400 heater offers heat for optimum growth in large scale commercial greenhouse operations.

• MADE in U.S.A
• 5000 CFM
• 400,000 Btu/h Output
• CO2 Generator
• Vent Only Option Available
• 240 Volt
• Galvanized Gas Train to Prevent Rust
• 99.9% Fuel Efficient Direct-Fired Unit That Meets Greenhouse Emissions Standards
• Large Grow Operations