HeatFast HF125K 125,000 BTU LP Kerosine Heater with Thermostat

Unleash Comfort and Warmth: Introducing the HeatFast HF125K 125,000 BTU LP Kerosene Heater with Thermostat!


Product Description

Experience ultimate heating efficiency and control with the HeatFast HF125K. This powerful 125,000 BTU LP kerosene heater is designed by HeatFast Fireplaces to elevate your comfort during chilly days. With an advanced thermostat for precise temperature management, this heater brings warmth to any space with ease.

Product Features

Powerful Performance: Boasting 125,000 BTUs, this heater quickly warms large areas, making it ideal for homes, workshops, garages, and more.

Thermostat Control: Achieve your desired comfort level with the built-in thermostat, ensuring optimal heating without unnecessary energy consumption.

Safety First: Equipped with advanced safety features, including overheat protection and a tip-over switch, providing peace of mind during operation.

Easy Portability: The compact and portable design allows you to move the heater effortlessly, providing warmth where you need it most.

Durable Construction: Crafted by HeatFast Fireplaces, known for quality and reliability, ensuring long-lasting performance and heating excellence.

Efficient Fuel Consumption: Designed to maximize fuel efficiency, the HF125K optimizes heat output while minimizing fuel consumption, saving you money in the long run.

Product Specifications

Heating Capacity: The HeatFast HF125K boasts an impressive heating capacity of 125,000 BTUs, ensuring rapid and efficient warming of large spaces, including workshops, garages, and more.

Fuel Type: Designed to run on LP Kerosene, this heater provides a reliable and readily available fuel source, making it convenient for various applications.

Thermostat Range: Equipped with an adjustable thermostat, the HF125K allows users to fine-tune the temperature settings for optimal comfort, providing precise control over the heating environment.

Coverage Area: Ideal for expansive areas, this heater is tailored to meet the heating needs of sizable spaces, creating a comfortable and inviting atmosphere.

Ignition Type: Featuring a user-friendly push-button ignition system, the HF125K ensures quick and hassle-free starts, eliminating the need for complex setup procedures.

Fuel Tank Capacity: With a capacious fuel tank , this heater ensures extended operation without the need for frequent refueling, enhancing user convenience.

Safety Features: Prioritizing safety, this heater incorporates overheat protection, a tip-over switch, and a flameout sensor, minimizing risks and ensuring secure operation in various conditions.

Portability: Designed with user convenience in mind, the HF125K includes built-in handles and wheels, facilitating easy transport and mobility to different locations as needed.

Construction: Crafted with durability in mind, the heater features a robust metal housing, ensuring longevity and reliability, even in demanding environments.

Installation Options

Free-Standing Installation: The HeatFast HF125K offers flexibility in placement with its free-standing design. Set it up in the desired location, and with its built-in handles and wheels, you can easily move it around for optimum heating in different areas.

Ventilation Requirements: Ensure proper ventilation by placing the heater in well-ventilated spaces. Adequate airflow helps optimize combustion and maintain a safe indoor environment. Follow the provided guidelines for ventilation to guarantee efficient and secure operation.

Placement Considerations: Position the heater on a stable and level surface, away from flammable materials and obstructions. Maintain a safe clearance around the unit as specified in the user manual to prevent overheating and ensure safety during operation.

Indoor and Outdoor Use: The HF125K is suitable for both indoor and outdoor applications, offering versatility for various heating needs. Whether you’re warming up a workshop, garage, or outdoor space, this heater provides reliable performance in diverse environments.

Professional Installation (Optional): For users who prefer professional assistance, consider hiring a certified technician for the installation of the HeatFast HF125K. This ensures compliance with local regulations and guarantees a secure and efficient setup.

Routine Maintenance: Regularly inspect and clean the heater to maintain optimal performance. Follow the provided maintenance guidelines in the user manual to prolong the lifespan of the unit and ensure consistent heating capacity.

Safety Measures: Familiarize yourself with the safety features and precautions outlined in the user manual. Understanding proper usage and safety guidelines is crucial for a secure and worry-free heating experience.

User-Friendly Setup: Benefit from a straightforward setup process with the user-friendly design of the HF125K. The push-button ignition system simplifies the starting procedure, allowing you to enjoy warmth quickly and effortlessly.

Fuel Types


Fuel Type Application


Clearances and Cavity Measurements

Minimum Clearances: Maintain a minimum clearance on all sides of the HeatFast HF125K to ensure proper airflow and prevent overheating. Refer to the user manual for specific clearance requirements, taking into account nearby walls, furniture, and other potential obstructions.

Ventilation Clearance: Adequate ventilation clearance is crucial for the safe operation of the heater. Ensure there is space around the ventilation openings to facilitate proper air intake and exhaust.

Ceiling Clearance: For ceiling-mounted installations, adhere to the recommended ceiling clearance to prevent heat concentration and potential damage. Follow the guidelines provided in the user manual to determine the appropriate distance between the heater and the ceiling.

Floor Clearance: Maintain a clear space underneath the heater, with a minimum floor clearance. This prevents any combustible materials or obstructions from coming into contact with the unit and ensures safe and efficient heating.

Cavity Measurements: Before installation, measure the available cavity or space where the heater will be placed. Consider the dimensions of the HeatFast HF125K, including its height, width, and depth, to ensure a proper fit and alignment within the designated area.

Wall Clearance: If wall-mounted, adhere to the recommended wall clearance to prevent any potential hazards. Measure the distance between the heater and adjacent walls to guarantee safe and effective operation.

Combustible Material Clearance: Keep the heater away from combustible materials, including curtains, furniture, and other flammable items. Maintain the specified clearance to reduce the risk of fire hazards and ensure the safety of the surrounding environment.

Outdoor Placement Considerations: When using the heater outdoors, consider the clearances required for safe operation in open spaces. Avoid enclosed areas without proper ventilation, and follow the outdoor installation guidelines provided in the user manual.


Limited warranty

Product Highlights

Elevate your heating experience with the HeatFast HF125K 125,000 BTU LP Kerosene Heater featuring an integrated thermostat for precise temperature control. This powerful heating solution by HeatFast Fireplaces delivers an impressive 125,000 BTUs, ensuring rapid and efficient warming of large spaces. The thermostat functionality allows you to set and maintain your desired temperature, providing a customizable and comfortable environment. With its user-friendly design, this heater is equipped with safety features, including overheat protection and a flameout sensor, offering peace of mind during operation. The HeatFast HF125K combines performance and safety, making it an ideal choice for residential and commercial heating needs.

Designed for convenience and versatility, the HeatFast HF125K boasts a robust set of features to enhance your heating solutions. The easy-to-read LED display allows for effortless temperature adjustments, while the durable construction ensures long-lasting reliability. This heater accommodates both liquid propane (LP) and kerosene, providing flexibility in fuel options. Whether you’re heating a construction site, workshop, or large living space, the HF125K stands out for its exceptional heating capacity and thoughtful features. Embrace warmth with confidence, knowing that the HeatFast HF125K is engineered to deliver reliable and efficient heating performance for your diverse needs.

Company Overview for Manufacturer

US Stove is a renowned manufacturer that has established itself as a prominent player in the heating and home comfort industry. With a rich history dating back several decades, the company has consistently demonstrated a commitment to innovation and quality craftsmanship. Specializing in a wide range of heating solutions, US Stove has become synonymous with reliable and efficient products designed to meet the diverse needs of homeowners and businesses alike.

The company’s product lineup includes an array of stoves, furnaces, and heaters, catering to both residential and commercial markets. US Stove has earned a reputation for producing high-performance heating appliances that combine cutting-edge technology with durable construction. Whether it’s wood-burning stoves, pellet stoves, or innovative heating systems, US Stove stands out for its ability to deliver warmth and comfort with a focus on energy efficiency.

US Stove places a strong emphasis on customer satisfaction, offering not only top-tier products but also comprehensive support services. With a commitment to environmental responsibility, the company strives to create heating solutions that are not only effective but also eco-friendly. As a leader in the industry, US Stove continues to evolve, adapting to changing market demands and pushing the boundaries of heating technology, making it a trusted name for those seeking reliable and innovative heating solutions.


Q: What type of fuel does the HeatFast HF125K use?
A: The HeatFast HF125K uses LP (Liquid Propane) or kerosene as its fuel source.

Q: What is the heating capacity of the HF125K heater?
A: The HF125K has a heating capacity of 125,000 BTU, providing powerful warmth for larger spaces.

Q: Does the heater come with a thermostat?
A: Yes, the HeatFast HF125K is equipped with a thermostat for convenient temperature control.

Q: Can this heater be used indoors?
A: The HF125K is designed for outdoor use only to ensure proper ventilation and safety.

Q: What are the installation options for the HF125K heater?
A: The HF125K offers various installation options, including wall mounting and free-standing configurations.

Q: What safety features does the heater have?
A: The HF125K includes safety features such as automatic shut-off in case of overheating or flame failure.

Q: Is the heater suitable for commercial use?
A: Yes, the HF125K is suitable for both residential and commercial heating applications.

Q: How noisy is the HF125K during operation?
A: The HF125K is designed for quiet operation to minimize disruptions in your space.

Q: What is the warranty period for the HeatFast HF125K?
A: The HF125K comes with a manufacturer’s warranty, and the warranty period can be found in the product documentation.

Q: Can the heater be used with both propane and kerosene interchangeably?
A: Yes, the HF125K is designed to work with both propane and kerosene, providing flexibility in fuel choice.

Q: What are the dimensions of the HF125K heater?
A: The dimensions of the HF125K can be found in the product specifications section on the product page.

Q: How do I clean and maintain the HF125K heater?
A: Refer to the user manual for detailed instructions on cleaning and maintaining the HF125K heater.

Q: Can the heater be used in extreme weather conditions?
A: The HF125K is designed to operate in various weather conditions, but it’s essential to follow guidelines for optimal performance.

Q: Does the HF125K come with a remote control?
A: The HF125K may or may not include a remote control; please check the product features for details.

Q: Can I use the HF125K as the primary heating source for my home?
A: The suitability of the HF125K as a primary heating source depends on factors such as the size and insulation of your space.

Q: Is professional installation required for the HF125K heater?
A: Professional installation is recommended for the HF125K to ensure proper setup and safety compliance.

Q: What is the expected lifespan of the HF125K heater?
A: The expected lifespan of the HF125K can vary, and proper maintenance can contribute to its longevity.

Q: Can the HF125K be used in a garage or workshop?
A: Yes, the HF125K is suitable for heating garages, workshops, and other similar spaces.

Q: Are replacement parts readily available for the HF125K heater?
A: Replacement parts for the HF125K can be obtained through authorized dealers or the manufacturer.

Q: Can I use the HF125K heater during power outages?
A: The HF125K operates independently of electricity, making it suitable for use during power outages.