Flagro FVO-1000TR – 780,000 BTU Indirect Fired Heater-Oil -Trailer
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The Flagro FVO-1000TR 780,000 BTU Indirect-Fired Heater Trailer provides high-capacity temporary heating for construction sites, industrial facilities, warehouses, and commercial projects. Its self-contained design combines two indirect-fired heaters, an onboard generator, and integrated fuel storage.
Key Specifications:
- Heating: 780,000 BTU/hr
- Heaters: Two Indirect-Fired Units
- Fuel: Diesel / Fuel Oil
- Fuel Tank: Approximately 300 Gallons
- Generator: 8 kW / 120V
- Runtime: Approximately 44 Hours (Published)
- Trailer: Dual Axle
- Empty Weight: Approximately 4,300 lbs
Features: Stainless steel heat exchangers, ductable heating, and integrated generator power.
Nationwide shipping available. Contact us for pricing and availability.
The Flagro FVO-1000TR 780,000 BTU Indirect-Fired Heater Trailer is a self-contained commercial heating system designed for construction sites, industrial facilities, temporary buildings, and large-scale heating applications.
Featuring two Flagro indirect-fired heaters, an integrated 8 kW diesel-powered generator, and an approximately 300-gallon fuel tank, the FVO-1000TR delivers powerful temporary heat from one trailer-mounted package.
The indirect-fired system uses stainless steel heat exchangers to separate combustion exhaust from the heated supply air during normal operation. This makes it particularly useful for temporary structures and commercial projects where clean, dry heated air is needed.
Built on a heavy-duty dual-axle trailer, the FVO-1000TR is designed for transportation between construction sites and industrial projects. Its onboard generator powers the heating equipment, reducing dependence on external electrical infrastructure.
Whether you need emergency commercial heating, temporary winter construction heat, or a high-capacity solution for a large industrial project, the Flagro FVO-1000TR provides a mobile, integrated heating system.
Key Features of the Flagro FVO-1000TR
- 780,000 BTU/hr Heating Capacity: Combines two approximately 390,000 BTU/hr indirect-fired heaters for large-scale heating applications.
- Self-Contained Heater Trailer: Integrates heating equipment, generator power, and onboard fuel storage.
- Dual Indirect-Fired Heaters: Provides high-capacity heating through separate heat exchanger systems.
- 8 kW Integrated Generator: Supplies onboard 120V single-phase electrical power.
- Diesel-Powered Engine: Manufacturer configurations include Yanmar or Kubota liquid-cooled diesel engines.
- Approximately 300-Gallon Fuel Tank: Supports extended temporary heating operations.
- 304 Stainless Steel Heat Exchangers: Provide durable separation between burner combustion gases and the heated air stream.
- Ductable Heated Air: Supports suitable commercial heating ductwork and air-distribution arrangements.
- Built-In Duct Storage: Provides convenient storage for compatible ducting between deployments.
- Heavy-Duty Dual-Axle Trailer: Designed for transportation between commercial jobsites.
- 15-Inch Trailer Wheels: Four-wheel trailer configuration.
- Commercial-Grade Construction: Intended for demanding temporary heating applications.
- Onboard Generator Controls: Includes generator instrumentation and hour-meter functionality.
- Extended Operation: Published trailer configurations support extended operation between refueling stops.
Self-Contained Heating for Commercial and Industrial Projects
The Flagro FVO-1000TR combines multiple components into one trailer-mounted heating solution.
Instead of transporting separate heaters, a generator, and an external fuel tank, contractors can deploy an integrated system designed for temporary heating.
Dual Indirect-Fired Heating Systems
The FVO-1000TR incorporates two high-capacity indirect-fired heaters.
Each heater uses a burner and heat exchanger to warm air while keeping normal combustion exhaust separate from the conditioned supply-air stream.
The combined heating capacity is approximately 780,000 BTU/hr.
This makes the FVO-1000TR suitable for large temporary heating projects where smaller portable heaters may not provide sufficient capacity.
Integrated 8 kW Generator
The FVO-1000TR includes an onboard diesel-powered generator.
Manufacturer documentation identifies an 8 kW generator with 120V single-phase output.
The generator supports the trailer’s integrated heating systems and reduces reliance on external electrical connections.
Available power for auxiliary equipment depends on generator loading and the actual trailer configuration.
Large Onboard Fuel Tank
The trailer incorporates approximately 300 gallons of onboard fuel storage.
This allows the heaters and generator engine to operate from an integrated fuel supply.
Runtime depends on burner operation, engine load, available fuel, and equipment configuration.
Flagro has published approximately 44 hours of operation for specified trailer configurations.
Indirect-Fired Heating Technology
Indirect-fired heaters are designed to deliver warmed air without intentionally mixing burner combustion products into the supply-air stream.
The FVO-1000TR uses stainless steel heat exchangers to transfer heat from the combustion system to the air being delivered to the conditioned area.
This provides several advantages for suitable temporary heating applications:
- Separates normal combustion exhaust from heated supply air
- Avoids directly adding combustion moisture to the heated airflow
- Supports ducted temporary heating arrangements
- Provides substantial heating capacity for large commercial projects
Important: Combustion exhaust must still be safely discharged away from occupied areas, building openings, and ventilation intakes.
All installations must follow Flagro’s safety instructions and applicable building, fuel, and fire regulations.
Common Applications for the Flagro FVO-1000TR
Large Construction Projects
Commercial construction projects often require temporary heating during winter conditions, concrete work, finishing operations, and building renovations.
The FVO-1000TR supplies high-capacity heat for appropriately designed temporary heating systems.
Common applications include:
- Large commercial construction sites
- Winter building projects
- Temporary construction enclosures
- Building renovations
- Industrial maintenance projects
- Temporary heating during HVAC installation
Its trailer-mounted design allows contractors to relocate the heating system between compatible jobsites.
Warehouses and Industrial Facilities
Warehouses and manufacturing facilities may require supplemental heating during extreme cold, permanent HVAC outages, or planned equipment maintenance.
The Flagro FVO-1000TR can support temporary industrial heating when properly sized and installed.
Potential applications include manufacturing areas, maintenance operations, storage facilities, and equipment support spaces.
Temporary Structures and Commercial Tents
Large temporary structures may require substantial heating capacity during colder weather.
The FVO-1000TR can support properly engineered ducted heating installations for compatible temporary structures.
The indirect-fired design separates normal combustion exhaust from the heated supply air.
Heater placement, exhaust routing, combustion ventilation, ducting, and occupancy requirements must be evaluated before operation.
Emergency and Planned HVAC Shutdowns
When permanent commercial heating systems are unavailable, the FVO-1000TR can provide temporary replacement heat for suitable facilities.
Applications include:
- Emergency commercial heating
- Planned heating-system maintenance
- Industrial plant shutdowns
- Temporary equipment installations
- Winter construction projects
- Seasonal supplemental heating
Explore Commercial Heating Applications
Flagro FVO-1000TR Technical Specifications
| Specification | Flagro FVO-1000TR |
|---|---|
| Model | FVO-1000TR |
| Equipment Type | Self-Contained Indirect-Fired Heater Trailer |
| Combined Heating Capacity | 780,000 BTU/hr |
| Heater Configuration | Two Indirect-Fired Heaters |
| Heating Capacity per Heater | Approximately 390,000 BTU/hr |
| Fuel Type | Approved Diesel / Fuel Oil |
| Integrated Fuel Tank | Approximately 300 US Gallons |
| Heater Fuel Consumption | Approximately 2.75 GPH per Heater |
| Generator Engine Fuel Consumption | Approximately 1.08 GPH at Full Load |
| Published Runtime | Approximately 44 Hours |
| Generator | 8 kW |
| Generator Electrical Output | 120V / Single Phase |
| Generator Speed | 1,800 RPM |
| Engine | Yanmar or Kubota Diesel |
| Engine Cooling | Liquid-Cooled |
| Heat Exchangers | 304 Stainless Steel |
| Air Distribution | Compatible Heated-Air Ducting |
| Trailer Configuration | Dual Axle |
| Trailer Wheels | Four 15″ Wheels |
| Approximate Length | 15 Feet |
| Approximate Width | 7 Feet 4 Inches |
| Approximate Height | 7 Feet |
| Approximate Empty Weight | 4,300 lbs |
| Electrical / Trailer Approvals | Manufacturer-Listed CSA, ESA, and DOT Approvals |
Specifications are based on Flagro’s published FVO-1000TR product information and equipment catalogues. Figures have varied between production years. Verify the actual trailer’s heating capacity, airflow, duct connections, fuel tank, engine, generator, dimensions, and weight before ordering.
Heating Capacity and Air Distribution
The FVO-1000TR combines two high-capacity indirect-fired heaters in a single trailer.
The system is designed to distribute heated air through compatible commercial ducting.
For larger projects, ducting allows heat to be directed toward separate work areas or temporary structures.
Duct diameter, duct length, airflow resistance, and distribution layout must be selected according to the manufacturer’s approved configuration.
Flexible High-Temperature Ducting
Flagro offers high-temperature flexible ducting for its commercial indirect-fired equipment.
Compatible accessories may include:
- High-temperature supply ducting
- Supply-air adapters
- Heated-air distribution accessories
- Replacement ducting and connections
Duct connection sizes should be confirmed for the specific FVO-1000TR trailer revision before ordering.
Browse Commercial HVAC Accessories
Fuel Consumption and Runtime
The FVO-1000TR features a large onboard fuel tank designed for extended jobsite operation.
Flagro’s published trailer specifications identify approximately:
- 300 US Gallons: Fuel tank capacity
- 2.75 GPH: Estimated fuel consumption per heater
- 1.08 GPH: Generator engine consumption at full load
- 44 Hours: Published runtime under the specified manufacturer configuration
These figures depend on the equipment revision and operating load.
Fuel consumption can vary when heaters cycle on thermostats or the generator operates at different loads.
Customers should confirm expected runtime against the actual supplied trailer configuration.
Generator and Electrical System
The integrated generator supports the trailer’s onboard heating equipment.
Published generator specifications include:
- 8 kW output
- 120V single-phase power
- 1,800 RPM operating speed
- Diesel engine drive
- Generator instrumentation and hour meter
The trailer should be operated and serviced according to the manufacturer’s engine and generator instructions.
Do not assume the full generator rating is available for external electrical loads while the heating equipment is operating.
Trailer Construction and Transportation
The Flagro FVO-1000TR is built on a heavy-duty dual-axle trailer.
Published construction details include:
- Dual-axle configuration
- Four 15-inch wheels
- Integrated generator and fuel tank
- Onboard heating equipment
- Built-in duct storage
- Approximately 4,300 lbs empty weight
Before transportation, operators must confirm the actual loaded trailer weight, hitch and towing requirements, brake condition, tire ratings, and applicable road regulations.
Fuel and equipment can significantly increase towing weight beyond the published empty weight.
Safety and Installation Requirements
The FVO-1000TR is professional commercial heating equipment.
Important installation requirements include:
- Position the trailer on a stable, suitable surface.
- Maintain manufacturer-required clearances.
- Safely discharge combustion exhaust.
- Provide adequate combustion and ventilation air.
- Use approved diesel or fuel oil.
- Inspect fuel connections and heating equipment.
- Follow appropriate electrical and generator safety practices.
- Use manufacturer-approved ducting and accessories.
- Avoid obstructing heater air intakes and discharge connections.
- Follow all trailer transportation and maintenance instructions.
For temporary structures or occupied areas, verify that the planned installation complies with relevant fire, building, and ventilation requirements.
Why Choose the Flagro FVO-1000TR?
The Flagro FVO-1000TR provides high-capacity temporary heating in a self-contained trailer package.
With approximately 780,000 BTU/hr of indirect-fired heating, two stainless steel heat exchangers, an integrated diesel generator, and a large onboard fuel tank, it provides an alternative to deploying multiple standalone heaters and separate support equipment.
Its dual-axle trailer construction makes it particularly useful for commercial contractors and industrial facilities requiring temporary heating at multiple locations.
Compare Other Flagro Heating Equipment
Climate Control Solutions offers additional temporary heating solutions:
- Flagro FVO-400RC: 390,000 BTU indirect-fired heater for smaller temporary heating requirements.
- Flagro FVO-400LTRC: Trailer-mounted heating, generator, and light tower system.
- Flagro FVO-1100TR: Related high-capacity heater trailer with air recirculation capabilities.
Explore Commercial Heating Applications
Frequently Asked Questions About the Flagro FVO-1000TR
How much heating capacity does the FVO-1000TR provide?
The FVO-1000TR provides approximately 780,000 BTU/hr of combined indirect-fired heating capacity through two heaters.
Is the FVO-1000TR skid-mounted or trailer-mounted?
The FVO-1000TR is a self-contained, dual-axle heater trailer.
Does the FVO-1000TR include a generator?
Yes. Flagro identifies an integrated 8 kW diesel-powered generator.
Does it have a built-in fuel tank?
Yes. Published configurations include approximately 300 gallons of onboard fuel storage.
What fuel does the FVO-1000TR use?
The heating system is designed for approved diesel or fuel oil. Confirm the accepted fuel grades in the current manufacturer’s instructions.
How long can it operate on a full tank?
Flagro publishes approximately 44 hours for specified configurations. Actual runtime depends on heater demand, engine load, and equipment revision.
Does the FVO-1000TR use indirect-fired heating?
Yes. The unit uses indirect-fired heaters with heat exchangers that separate normal combustion exhaust from the heated supply air.
Can the FVO-1000TR heat a large construction site?
It can support appropriately sized temporary heating applications on commercial construction projects. Actual capacity requirements depend on building size, outdoor temperature, heat loss, ventilation, and ducting.
Does the FVO-1000TR require an external electrical connection?
The trailer incorporates an onboard generator to power the integrated heating equipment. Verify any external-power options with Flagro for the specific equipment configuration.
What is the difference between the FVO-1000TR and FVO-1100TR?
Both are self-contained indirect-fired heater trailers. The FVO-1100TR incorporates FVO-400RC-style heaters with air recirculation connections, while the FVO-1000TR uses the earlier high-capacity indirect-fired configuration.
How much does the trailer weigh?
Flagro’s more recent catalogue lists approximately 4,300 lbs empty weight. Actual towing weight increases with fuel and equipment.
Request a Quote for the Flagro FVO-1000TR
Climate Control Solutions supplies Flagro indirect-fired heaters, self-contained heater trailers, and commercial temporary heating equipment nationwide.
Whether you need one FVO-1000TR for a large construction project or multiple heating systems for industrial operations, our team can assist with equipment selection, ducting, fuel requirements, and transportation planning.
Contact Climate Control Solutions for current pricing and availability.
Phone: (800) 633-8711
Email: [email protected]
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