✅ This item is normally regularly stocked. Shipping times may vary depending on availability. Please contact us to confirm stock and shipping times. You will receive tracking details once the item has shipped.
Description
Flagro FVO-750 Indirect Fired Heater | 750,000 BTU of Clean, High-Performance Heat
Engineered for Canada & USA's Harshest Jobsite Conditions
The Flagro FVO-750 is a high-output 750,000 BTU indirect-fired heater, designed for industrial-grade applications where clean, fume-free heat is critical. Built in Canada and certified for North American safety standards, it delivers ultra-quiet, high-static performance even in extreme cold.
Now available through Cleanflow, this powerhouse heater is powered by reliable diesel or waste oil fuel. The rugged unit features a stainless steel heat exchanger, Riello burner technology, and a VFD-controlled blower that maintains ducted heat up to 200 feet. It’s the preferred choice for construction heating, disaster relief, military shelters, drying applications, and remote camps.
Flagro FVO-750 Key Features & Benefits
750,000 BTU Indirect-Fired Heater
Massive heat output for large spaces, jobsite tents, or commercial enclosures, with fume-free discharge and low emissions.
Riello Burner Technology
Equipped with a nozzle pre-heater, combustion air damper control, and a Tiger Loop fuel system for smooth performance even in sub-zero temperatures.
Welded 304 Stainless Steel Heat Exchanger
Built from 16-gauge stainless steel for extreme durability, thermal efficiency, and corrosion resistance.
VFD-Controlled High Static Blower
Variable frequency drive (VFD) conserves energy, soft-starts the 2 HP blower motor, and optimizes airflow based on duct length and heat load. Operates quietly at ≤75 dB.
Ductable Up to 200 ft
Supports 2 x 16" dia. outlet ducts and a 16" inlet for recirculated air. Designed for long duct runs across large or segmented zones.
Fuel Flexibility
Runs on diesel or oil, with a 42-gallon onboard tank providing up to 8 hours of runtime at full load. Fuel consumption: 5.4 gal/hr.
Fully Jobsite-Ready
16” flat-free wheels, forklift pockets, lifting eyes, and a steel skid base make transport and positioning easy.
Recirculating & Return-Ready
Return air duct connection supports recirculating setups for improved fuel efficiency and temperature consistency.
Digital Thermostat + Remote Compatible
Built-in controls and a remote-ready thermostat port allow precise temperature control from a distance.
Specifications
| Feature | Details |
|---|---|
| Heat Output | 750,000 BTU/hr |
| Fuel Type | Diesel or Waste Oil |
| Fuel Tank Capacity | 42 US gallons |
| Fuel Consumption | 5.4 gal/hour |
| Airflow | 7,000 CFM (free flow) |
| Blower Motor | 7.5 HP, VFD-controlled |
| Ignition | Direct Spark |
| Heat Exchanger | 16-Gauge 304 Stainless Steel |
| Power (1 Phase) | 208–230V / 50A (18A draw) |
| Power (3 Phase) | 208–230V / 30A (14A draw) |
| Air Outlet | 2 x 16” dia |
| Air Inlet (Return) | 1 x 16” dia |
| Noise Level | ≤75 dB @ 10 ft |
| Dimensions / Weight | 98” x 36” x 61” / 1,400 lbs |
| Certifications | cETLus / ANSI Z83.7 / CSA 2.14 |
Compatible Accessories
- FV-HD16X25 – 16” x 25’ Flexible Outlet Duct
- FV-HD16X12 – 16” x 12’ Flexible Outlet Duct
- Return Duct Adapter – 16” Return Air
- Recirculating Hood – Boosts performance
- Remote Digital Thermostat – Plug-and-play
Applications
- Construction Heating & Winter Projects
- Emergency Relief & Temporary Shelter Heat
- Cold Weather Curing & Drying
- Military Base Camps & Remote Locations
- Industrial Events, Warehousing, & Facilities
Built for North American Winters
Flagro heaters have been a trusted solution across Canada and the USA for decades. The FVO-750 continues that tradition—built to withstand brutal weather, deliver dependable clean heat, and meet the strictest jobsite standards.
Need Help Sizing the Right Heater?
Not sure if the FVO-750 is the right size for your space?
👉 Use our BTU Calculator to find the perfect heat output for your square footage, insulation level, and temperature needs.
Frequently Asked Questions (FAQs)
Is the Flagro FVO-750 ductable for large jobsites?
Absolutely. With up to 200 feet of ducting capability, the FVO-750 is ideal for long-distance heat distribution, with high static pressure handling and quiet operation.
What fuel does it use?
The FVO-750 runs on diesel or waste oil, giving you flexible options based on availability and cost-efficiency.
Is this unit mobile and easy to set up?
Yes. It features flat-free wheels, forklift pockets, and lifting eyes, and ships fully assembled. Its stackable frame simplifies transport and storage.
Is the Flagro FVO-750 ductable for large jobsites?
Absolutely. With up to 200 feet of ducting capability, the FVO-750 is ideal for long-distance heat distribution, with high static pressure handling and quiet operation.
Can the FVO-750 be used indoors or in enclosed spaces?
The Flagro FVO-750 is an indirect-fired heater, which means it delivers clean, fume-free, and moisture-free heated air. This makes it suitable for use in enclosed or semi-enclosed environments such as construction sites, temporary shelters, and event spaces, provided the exhaust gases are properly vented outside using the integrated 8” stack outlet. Always ensure sufficient ventilation and adhere to local safety regulations for indoor heating applications.
✅ This item is normally regularly stocked. Shipping times may vary depending on availability. Please contact us to confirm stock and shipping times. You will receive tracking details once the item has shipped.
Similar Products
Featured collection
