Known for Reliability - Durability - Serviceability - Parts Availability - Quality construction
- Corrosion resistance
- Made to thrive in high dust poultry environments
- Designed for ease of maintenance and repair in the field
- Superior parts access from our large dealer network
- 24 hour online access to service manuals and trouble shooting videos
- Phone technical support from our team of engineers on installation, sizing and advanced trouble shooting
- Warranty – 12 month protection from defects in material and workmanship
With over 50 years of leadership in chicken, turkey, duck confinement heating, L.B. White offers a full line of forced air, radiant brooder and radiant tube heating solutions to meet a wide variety of poultry heating needs including being a leader in fuel efficiency!
All our heating solutions are designed to help improve productivity and lower operating costs. All our poultry heating products come fully assembled and 100% test fired at our plant.
We offer a broad range of heating products for use in North America, as well as certified for international applications. Most of our models can be configured for use with propane or natural gas.

Guardian®-Forced-Air-Heaters
L.B. White Guardian Poultry forced air heaters offer an efficient direct-fired design that provides consistent, dependable heat for poultry environments.
With over 50 years experience L.B. White has perfected every aspect of the Guardians design specifically for poultry heating leading to our reputation for reliability, durability and serviceability.
Available in a variety of heat outputs, ignition configurations and installation options to meet the unique needs of different poultry production facilities.
Our exclusive Service Saver™ monitoring simplifies trouble shooting and helps you get your heater back up and running faster and easier.
When the fate of your flock is at stake…you want the leader in poultry heating protecting your investment…L.B White.
Call our technical experts to help you select the correct size and quantity of heaters for your building.
Technical Support – 1-800-345-7200
Key features of Guardian Forced Air Poultry heaters include:
- 250,000 or 325,000 Btu/h models
- Spark, hot surface or pilot light ignition
- Propane or natural gas configurations
- Indoor or outdoor installation
- Advanced Service Saver™ monitoring
- Safety controls
- Solid case construction
Guardian heaters are available in CSA U.S. and Canada certified models, as well as CE Type certified and other international configurations and certifications.
Literature / Specifications
Guardian Forced Air Brochure
Guardian Outdoor Mount Kit Brochure
Owners Manual
Guardian Forced Air AD250 Spark
Guardian Forced Air AB250 Pilot
Guardian Forced Air AW060/100 Hot Surface
Guardian Forced Air AW325 Hot Surface
Guardian Forced Air AW250 Hot Surface
Troubleshooting & Maintenance Videos
Guardian T Stat Connection
Guardian Air Proving Switch Check
Guardian Flash Patterns
Guardian Gas Pressure Check
Guardian Igniter Continuity and Voltage
Guardian Motor Voltage Check
Guardian Power to Gas Valve
Guardian High Limit Continuity
Guardian Transformer Voltage Check
Guardian T-Stat OHM Test
Guardian Gas Conversion
Guardian Spark Ignition
Guardian Pilot Orifice Changeout
Guardian Power to Motor
Guardian Pilot Gasket Changeout
Guardian Volt Meter Usage










