Greenhouse Unit Heaters Redefined
The revolutionary tubular heat exchanger inside the Lennox LF-24 series of greenhouse heaters ensures you years of performance and high efficiency. Combustion is precise because of special "in-shot" burners and fan assisted exhaust. Equipped with a TrueLeaf Combustion Air Separator, it's bullet-proof.

Technical Support


Technical Articles


Unit Heaters
Perhaps the most common piece of
equipment in commercial greenhouses...
...is the gas-fired unit heater.
GrowerTalks Magazine Technology Report
Warm Floor Systems
Do I Have a High Water Table Problem? Greenhouse Construction Considerations
The 3/4" Paradigm
Why are inches inches? Miles miles?
Greenhouse Construction Considerations
Subirrigation
Subirrigation has a track record as a relatively safe method of irrigation, but the USDA’s Action Plan has muddied the water. Troubled Waters
Flood Floors
Should a Grower even consider Flood Floors in a single Quonset house?
Or in a couple bays of gutter-connected houses? Maybe!
GrowerTalks Magazine
Technology Report
How small can you go?

Product Manuals


Benchwarmer
Benchwarmer Installation Instructions PDF BW Installation 3227K
1-Zone
I-Zone Control Installation Instructions PDF I-Zone Control 25K
StarFin/DuoFin
StarFin/DuoFin Installation Instructions PDF Star-Duo Installation 932K
StarFin/DuoFin Water Maintenance PDF Star-Duo Water Maint 433K
Microclimate/Megatube
Microclimate/Megatube Water Maintenance PDF MC-MT Water Maint 97K

Current Prices for Commonly Ordered Items (10/08)


PDF Common Parts
PDF Lennox Unit Heater Pricing
PDF Sial Unit Heater Pricing
PDF One To Five Bench Kits

PDFs


Proposal Questionnaire
Get proposals for Hot Water Heating Systems and Flood Floors TrueLeaf’s Integrated Proposal Questionnaire gives you the chance to tell us what you have and what kind of systems you are looking for. PDF Proposal 253K
Get proposals for a Heating System This express proposal questionnaire will allow you to quickly tell us specifically about your heating needs. PDF Proposal 97K
BioTherm Microclimate
The Original TrueLeaf Benchwarmer Kits Heating Kits, now featuring three choices of tubing, including:
TWO NEW Roll-N-Grow options for easier bench and floor heating Water Treatment/Water Test Kit.
PDF Brochure 5212K
PDF Brochure 476K
PDF Price list 419K
PDF Price list 42K
Unit Heaters
TrueLeaf
Sial Airfarm Unit Heater
Direct-fired heaters
No heat exchanger means 99% efficiency and less to go wrong!
PDF Brochure 1870K
PDF Brochure 94K
TrueLeaf
Sial Airflow Unit Heater
Finally a high efficiency indirect greenhouse heater! Developed and produced in Italy with state-of-the-art manufacturing technology. PDF Brochure 2163K
PDF Brochure 172K
TrueLeaf
Sial Mirage Unit Heater
H/P Systems
The most efficient oil fired heater available, also runs on biodiesel! PDF Brochure 1756K
PDF Brochure 177K
TrueLeaf
Lennox Unit Heater Systems
Greenhouse Unit Heaters Redefined! Dave Lennox started building heaters 100 years ago in Iowa. The same heritage and quality values that he began with are evident in these LF24 unit heaters for greenhouses. PDF Brochure 4454K/a>
PDF Brochure 283K
Mat Systems
TrueLeaf
Roll-N-Grow Mat Systems enhance your growth environment
Heating a floor area or a bench has never been easier! We offer our Roll-n-Grow mat systems in two styles, one optimized for bench application and one that’s just right for heated floors. PDF Brochure 2948K
PDF Brochure 133K
Filtration Systems
TrueLeaf
Clearstream Media Filter
Greenhouse Filtration System
The Clearstream Media Filter provides a highly efficient and reliable means of removing solids from irrigation water. Clearstream filters work by the process of “moving media”— a filter cIoth is moved incrementally as it is used. PDF Brochure 1788K
PDF Brochure 105K