Heatstar - Direct Fired Heaters

Exploring Heatstar Direct-Fired Heaters

Heatstar’s Direct Fired Heaters are high-performance, industrial-grade heating solutions engineered for rapidly warming large, open spaces such as greenhouses, warehouses, stables, and job sites. By directly heating air as it passes through a combustion chamber, these units deliver immediate and efficient warmth without requiring venting, making them highly effective in environments where speed and intensity of heat are critical. With flexible fuel options, durable stainless steel construction, and built-in safety systems, they offer reliable, mobile, and easy-to-maintain heating tailored to a variety of commercial and agricultural applications.

Why Choose Heatstar Direct-Fired Heaters?

Heatstar Direct-Fired Heaters are an ideal choice for large, well-ventilated spaces due to their high efficiency, fast heat delivery, and cost-effective operation. These heaters convert nearly all fuel into usable heat, making them energy-efficient for applications like construction sites, warehouses, and outdoor events. With user-friendly controls, durable construction, and models powered by propane or natural gas, Heatstar heaters provide reliable performance even in demanding environments. These direct-fired heaters are now available at our Canadian warehouse. You can also check them out below:

Heatstar HS4000NG/LP Industrial Heater

The Heatstar HS4000NG/LP Industrial Heater delivers powerful, large-scale heating with an output of 400,000 BTU/hr, ideal for construction sites, warehouses, and other spacious environments. Designed for versatility, it operates on natural gas or propane and features high-capacity fans that push air across a 4-loop heat exchanger for efficient heat distribution. Built for industrial use, it includes 10-inch pneumatic wheels for mobility, onboard diagnostics for maintenance, and a remote thermostat connection for precise control. With durable construction and user-friendly features, it ensures dependable, high-performance heating wherever it’s needed.

Heatstar HS6000DF Forced Air Direct-Fired Industrial Heater

The Heatstar HS6000DF Forced Air Direct-Fired Industrial Heater delivers an impressive 610,000 BTU/hr and 2800 CFM, making it ideal for heating large jobsites efficiently. It features a 35-gallon tank for up to 8 hours of runtime, supports multiple fuel types including kerosene and diesel, and includes a remote thermostat for precise control. Built for durability with solid rubber wheels and onboard diagnostics, it also offers key safety features like a heated fuel filter and continuous ignition. Rugged, reliable, and ready for demanding conditions, the HS6000DF is a powerhouse solution for industrial heating needs.

Heatstar HS3500DF Forced Air Direct-Fired Industrial Heater

The Heatstar HS3500DF Forced Air Direct-Fired Industrial Heater delivers 360,000 BTU/hr and 1795 CFM of airflow, making it ideal for heating large jobsites efficiently. It operates on various fuels, including diesel and jet fuel, and features a 27-gallon tank for up to 9 hours of continuous use. Designed with safety and durability in mind, it includes electronic flame control, overheat protection, and a double-skinned combustion chamber for insulation. With optional remote thermostat capability, a stainless steel heat exchanger, and rugged wheels for mobility, the HS3500DF offers powerful, reliable heating for industrial applications.

FAQs

1. Can direct-fired heaters run on different types of fuel?

Yes, direct-fired heaters are versatile and can operate on a variety of fuels, including natural gas, propane, diesel, and even biofuels. The specific fuel used depends on the availability, cost, and application requirements, and burner assemblies are typically designed to accommodate single or dual-fuel systems.

2. How do emissions from direct-fired heaters compare to other heating systems?

Emissions depend largely on the fuel used and burner design, but direct-fired heaters can produce higher NOx and CO levels if not properly optimized. However, many modern systems incorporate low-NOx burners and oxygen sensors to reduce emissions, meeting stringent environmental regulations without sacrificing performance.

3. What is the typical maintenance schedule for a direct-fired heater?

Maintenance for direct-fired heaters includes regular inspections of the burner assembly, fuel lines, flame sensors, and safety shutoffs. Cleaning air inlets, checking combustion efficiency, and verifying system calibration are often performed monthly or quarterly, depending on usage intensity, to ensure optimal performance and safety.

4. How does altitude affect the performance of a direct-fired heater?

At higher altitudes, the air is thinner, which can lead to inefficient combustion and reduced heater output. To compensate, direct-fired heaters must be derated or adjusted for air-to-fuel ratios. Manufacturers typically provide altitude-specific guidance or configurable burners to maintain safe and efficient operation.

5. What’s the lifespan of a well-maintained direct-fired heater?

With proper maintenance, high-quality direct-fired heaters can last 15 to 25 years or more. Their longevity is influenced by factors such as operational intensity, fuel type, environmental conditions, and adherence to service schedules. Investing in regular inspections and timely repairs is key to maximizing their service life.