HeatFast HF160G 155,000 BTU LP Forced Air Heater with Variable Control

Experience Powerful Warmth with the HeatFast HF160G 155,000 BTU LP Forced Air Heater – Perfect for Jobsites, Garages, and Workshops!


Product Description

Stay warm and comfortable in any space with the HeatFast HF160G 155,000 BTU LP Forced Air Heater. This portable propane heater is designed for jobsites, garages, workshops, and more. With its variable heat control and 155,000 BTU capacity, it delivers efficient heating for areas up to 3,800 sq. ft. Easy to operate and featuring a 5-star safety system, the HF160G is your go-to solution for additional heat.

Product Features

Powerful Heating: 155,000 BTUs provide substantial warmth for spaces up to 3,800 sq. ft.

Variable Heat Control: Customize the temperature with three settings (Low, Medium, High).

Extended Operation: Operates up to 18 hours on a full propane tank (low setting).

Safety First: Built-in 5-star safety system includes flame out detection, overheat shut-off, power surge protection, blocked inlet shut-off, and motor thermal protection.

Portable Convenience: Easy to hookup, operate, and move around for versatile heating solutions.

Complete Package: Includes a 10 ft. hose and regulator for quick setup.

Rugged Design: Fully enclosed base protects components for durability.

Certified Assurance: CSA listed for safety compliance.

Warranty: Enjoy peace of mind with a 1-year manufacturer’s limited warranty.

Product Specifications

Model: HF160G
Heater Type: Propane Forced-Air Construction Heater
Heating Capacity: Up to 155,000 BTUs
Coverage Area: Up to 3,800 sq. ft.
Fuel Type: Liquid Propane (LP)
Certification: CSA Listed

Variable Heat Control: Low, Medium, High settings
Ignition: Piezo Ignition System
Operating Time: Up to 18 hours on a full propane tank (low setting)
Safety Features:

5-Star Safety System:
Flame Out Detection
Overheat Shut-Off
Power Surge Protection
Blocked Inlet Shut-Off
Motor Thermal Protection
Ventilation Requirement: 3 sq. ft. of outside air per 45,000 BTU/Hr.

Materials: Sturdy and durable construction with a fully enclosed base
Portability: Built-in handle for easy transport

Voltage: 120V
Frequency: 60Hz
Amperage: 1.03A
Fuel System:

Fuel Consumption: 5.5/6.2/7.2 lb/h (Low/Medium/High settings)
Regulator: Included
Hose Length: 10 ft.
Minimum Clearance:
From floor: 0 ft.
From outlet: 6 ft.
From sides: 2 ft.
From top: 3 ft.
Minimum clearance from canvas or plastic coverings: 10 ft.

Installation Options

Option 1: Portable Installation

Ideal for temporary heating needs, construction sites, or workshops.
Follow these steps:
Place the heater on a stable, level surface.
Ensure the minimum clearances are maintained as per the product specifications.
Connect the heater to a compatible propane cylinder using the provided hose and regulator.
Plug the power cord into a 120V, 60Hz grounded outlet.
Use the variable control settings to adjust the heat output as needed.
Option 2: Fixed Installation

Suitable for more permanent heating solutions in well-ventilated areas.
Follow these steps:
Choose a location with proper ventilation and clearances.
Securely mount the heater in the desired position.
Connect the heater to a fixed propane supply using an appropriate regulator and hose.
Ensure the installation complies with local regulations and safety standards.
Connect the power cord to a dedicated, grounded electrical circuit.
Test the heater to ensure proper ignition and operation.
Option 3: Combined Installation

Combine portability and fixed installation for versatile use.
Follow these steps:
Set up the heater on a portable base or cart.
Connect the heater to a propane cylinder for mobility.
Secure the propane supply to a fixed source when a stable location is reached.
Connect the power cord to a grounded outlet.
Adjust the heat settings based on requirements.

Fuel Types


Fuel Type Application


Clearances and Cavity Measurements

1. From Floor:

Maintain a minimum clearance of 0 feet (0 meters) from the floor.
2. From Outlet:

Keep a distance of 6 feet (1.8 meters) from any outlet or electrical source.
3. From Sides:

Maintain a minimum clearance of 2 feet (0.6 meters) from the sides of the heater.
4. From Top:

Ensure a minimum clearance of 3 feet (0.9 meters) from the top of the heater.
5. Ventilation:

Provide at least a three square feet (2,800 sq cm) opening of outside air for every 45,000 BTU/hour of heater rating.
Adequate ventilation is crucial to prevent the buildup of carbon monoxide.
6. Proximity to Combustibles:

Locate the heater at least 10 feet from canvas or plastic tarpaulins or similar coverings.
Keep solid combustibles, such as building materials, paper, or cardboard, at a safe distance from the heater.
7. Propane Cylinder Clearance:

Propane cylinders should be located at least 6 feet (1.83 meters) in the U.S. and 10 feet (3 meters) in Canada from the heater.
Do not direct the heater discharge toward any propane cylinder located within 20 feet (6 meters).
8. Minimum Clearances for Portable Installation:

For portable installation, maintain the recommended clearances to ensure safe and efficient operation.
Cavity Measurements:

Measure the space where the heater will be installed to confirm it meets the recommended clearances.
Consider the heater’s dimensions and the need for proper air circulation in the designated area.


1-year limited warranty

Product Highlights

The HeatFast HF160G 155,000 BTU LP Forced Air Heater stands out as a powerful and reliable heating solution for various applications. With its robust design and variable control, this heater offers flexibility and efficiency in heating spaces during construction, repair, or other outdoor activities. Boasting a heating capacity of 155,000 BTU, the HF160G ensures quick and effective warmth, making it suitable for large areas. The variable control feature allows users to adjust the heat output according to specific needs, providing comfort without unnecessary energy consumption. Designed and approved in compliance with industry standards, including ANSI Z83.7-2017 / CSA 2.14-2017, the HF160G prioritizes safety, making it a trustworthy choice for those seeking a high-performance propane forced-air construction heater.

Equipped with advanced safety features, the HeatFast HF160G prioritizes user well-being. The heater incorporates a range of precautions, including warnings about carbon monoxide risks and the importance of proper ventilation. The construction heater is not intended for residential or recreational vehicle use, ensuring it is utilized in environments where its design and features align with safety regulations. Its easy assembly, maintenance, and storage, combined with its durable construction, make the HeatFast HF160G an ideal choice for those requiring a powerful and secure propane forced-air heating solution in construction and outdoor settings.

Company Overview for Manufacturer

US Stove is a reputable manufacturer in the heating industry, renowned for its extensive range of stoves, heaters, and related products. As a subsidiary of the U.S. Stove Company, PowerFast Fireplaces operates under the umbrella of a well-established and trusted brand. With its headquarters located at 227 Industrial Dr., South Pittsburg, TN, US Stove Company has a solid presence in the heating equipment market. The company is recognized for its commitment to quality, safety, and innovation, evident in the design and production of various heating appliances.

US Stove Company, through its subsidiary PowerFast Fireplaces, has gained prominence for providing efficient and reliable heating solutions, including propane forced-air construction heaters like the HeatFast HF160G. The company’s dedication to adhering to industry standards, such as ANSI Z83.7-2017 / CSA 2.14-2017, underscores its commitment to safety and compliance. With a focus on customer satisfaction, US Stove continues to be a leading player in the heating industry, offering cutting-edge products designed to meet the diverse needs of consumers in construction, outdoor, and residential heating applications.


Q: Is the HeatFast HF160G suitable for residential heating?
A: No, the HF160G is designed for space heating in construction settings and outdoor environments, not for residential use.

Q: What is the heating capacity of the HF160G?
A: The HF160G has a heating capacity of 155,000 BTU, making it suitable for larger construction sites and outdoor applications.

Q: Can the heater be used indoors?
A: No, the HF160G is not intended for indoor use. It should only be operated in well-ventilated areas due to the production of combustion byproducts.

Q: How is the ignition process initiated?
A: The HF160G features an ignition process where you depress and rotate the valve control knob to the “On” position, allowing the heater to ignite.

Q: What safety precautions should be taken when using the HF160G?
A: Users should carefully follow all safety instructions provided in the manual, ensuring proper ventilation and avoiding the use of the heater in spaces containing combustible materials.

Q: Can the HF160G be used with propane cylinders of different sizes?
A: Yes, the charts provided in the manual guide users on the appropriate cylinder size based on factors such as temperature and desired operating time.

Q: What are the key installation options for the HF160G?
A: The heater can be mounted on a stable, level surface, and it is essential to follow the recommended clearances from combustible materials.

Q: Is the HF160G suitable for spot heating in outdoor events?
A: Yes, the heater is designed for spot heating when the products of combustion are discharged outdoors, making it suitable for outdoor events.

Q: How should I store the HF160G when not in use?
A: The heater should be stored indoors, and the propane cylinder should be stored outdoors, following the guidelines outlined in the manual.

Q: Can the HF160G be operated on uneven surfaces?
A: No, the heater should be operated on a stable, level surface to ensure safe and proper functioning.

Q: What are the signs of carbon monoxide poisoning, and how can they be addressed?
A: Early signs include headaches, dizziness, and nausea. If experienced, users should get fresh air, have the heater serviced, and seek medical attention if necessary.

Q: Is the HF160G suitable for use with ductwork?
A: No, the heater should not be used with ductwork, and users should not restrict the inlet or outlet openings.

Q: What is the recommended electrical setup for the HF160G?
A: The heater requires a grounded outlet and extension cord, with specifications outlined in the manual based on cord length.

Q: Can the HF160G be used in living or sleeping areas?
A: No, the heater should never be used in living or sleeping areas due to the risk of carbon monoxide poisoning.

Q: What are the specifications for the regulator assembly on the HF160G?
A: The regulator assembly specifications are detailed in the manual, including information on manifold pressure and electrical input.