Frost Fighter IHS700P Indirect-Fired Heater | 700,000 BTU, 4600 CFM, ~4.0" w.c.

Versatile, High-Output Heat for Canada’s Harshest Job Sites

The Frost Fighter IHS700P delivers 700,000 BTU/h and 4600 CFM of clean, indirect heat using your choice of Oil, Diesel, Liquid Propane (LP), or Natural Gas (NG). Built for Canada’s extreme conditions, this rugged, portable heater is a favorite on construction sites, in oilfields, and for emergency response applications.

Whether you need a diesel indirect heater for a pipeline project or an LP/NG industrial heater for indoor curing or tent heating, the IHS700P adapts with power, reliability, and flexibility. With over 4,600 CFM airflow, up to 100 ft of ducting per outlet, and optional dual-phase power inputs, it’s jobsite-ready from day one.

Frost Fighter IHS700P Key Features & Benefits

700,000 BTU Heat Output

• High-performance indirect-fired heater for large-scale and high-demand environments
• Over 80% thermal efficiency — CSA and ETL certified
• 4,600 CFM airflow with up to 4.0" static pressure

Dual-Fuel and Power Flexibility

• Choose between Oil/Diesel or LP/NG fuel setups
  
• 208/230V 1P/3P standard; optional 460V or 575V (Oil/Diesel: 600V also available)
• Soft start motor for smooth operation and reduced amp draw

Breaker Sizing Tip: Inrush current ranges from 22 A to 50 A, depending on voltage. Breakers should be sized accordingly — typically 125% of inrush. Always confirm with your electrician.

PLC-Controlled Smart Diagnostics

• The Programmable Logic Controller (PLC) shows real-time status and error codes
• Optional LED status beacon for high-visibility alerts
• Fast troubleshooting and minimal downtime

Built Tough for Industrial Use

• Multi-pass stainless steel heat exchanger
• Fully insulated, satin, and powder-coated steel housing
• Crane lift bale, forklift pockets, and stackable design
• Compact footprint with dual 16" hot air outlets and returns

Up to 35-Hour Runtime

• Optional 175-gallon internal tank (Oil/Diesel only)
• Continuous heating with fewer refueling interruptions

Clean & Safe Operation

• Indirect-fired: no flames, fumes, or CO in the air stream
• ETL and CSA certified
• Supports safe heating in enclosed or semi-enclosed spaces

Specifications

Applications

• Construction Sites (Large-Scale)
• Concrete Curing / Equipment Heating
• Oil & Gas Heating
• Remote or Emergency Heating
• Tent & Temporary Shelter Heating
• Disaster Response / Field Hospitals

Why Choose the IHS700P Dual-Fuel Indirect-Fired Heater?

For 20+ years, Frost Fighter has led the market in high-capacity industrial heating. The IHS700P gives professionals what they need: serious heat output, field-tested durability, and maximum fuel flexibility.

Need help sizing your heater? 👉 Use our free BTU Calculator to find the right model for your space and environment.

Why Buy from Cleanflow?

At Cleanflow, we stock only authentic Frost Fighter heaters, offer expert advice, and ship fast across Canada and the U.S.

✔️ Fast, Coast-to-Coast Shipping
✔️ No Grey-Market or Refurbished Units
✔️ Authorized Frost Fighter Dealer
✔️ Trusted by Canada’s Top Contractors

Frequently Asked Questions

Is the IHS700P safe for enclosed spaces?

Yes — it’s fully indirect-fired, which means no combustion by-products, fumes, or flames enter the heated air stream.

Can I switch fuel types later?

Yes, if pre-configured. The EZ Burner Switch-Out Kit allows conversion between LP/NG and Oil/Diesel. Please call for pricing on the addition of this feature to your heater.

How long will it run on a full tank?

With the 175-gallon tank (Oil/Diesel models), it can run up to 35 hours. Please call for pricing on the addition of this optional feature to your heater.

Can it be powered by single or 3-phase electricity?

Yes. The IHS700P supports 208/230V in both 1P and 3P, with optional 460V/575V/600V configurations.

How do I know which size heater I need?

Use our BTU Calculator to get a personalized recommendation based on space size, insulation, and climate.