The following guide reviews top industrial gas heaters suitable for warehouses, construction sites, garages, and commercial spaces. Each selection highlights heat output, fuel type, durability, and safety features. Use the quick summary table to compare core specs before reading individual product breakdowns.
| Product | Fuel Type | Max BTU | Primary Use |
|---|---|---|---|
| L.B. White Tradesman 170N | Natural Gas | 170,000 BTU/hr | Construction Sites, Outdoor Work Areas |
| Mr. Heater Big Maxx MHU80NG | Natural Gas | 80,000 BTU/hr | Workshops, Garages, Small Warehouses |
| Modine Hot Dawg HD45 | Natural Gas | 45,000 BTU/hr | Garages, Commercial/Residential Hybrid Spaces |
| Dyna-Glo IR30NMDG-1 | Natural Gas | 30,000 BTU/hr | Targeted Infrared Heating, Bays, Workshops |
| ProCom MN300TPA-B | Natural Gas | 30,000 BTU/hr | Wall-Mount Infrared For Offices & Small Industrial Rooms |
Content Navigation
L.B. White Tradesman 170N Heater
Overview: The L.B. White Tradesman 170N is a high-output, direct-fired Natural Gas heater designed for demanding outdoor and semi-enclosed industrial environments. It emphasizes fuel efficiency and rugged construction.
Key Features: 125,000–170,000 BTU/hr output; direct-fired technology offering up to 99.97% fuel efficiency; electronic spark ignition; built-in diagnostic light; heavy-gauge combustion chamber with tri-shield coating.
Why It Suits Industrial Use: The unit’s high BTU capacity makes it suitable for large or open areas where rapid heat delivery is required. The diagnostic lighting and reliable ignition support operational uptime. Robust finishes and heavy materials are designed for abrasive or corrosive jobsite conditions.
Installation & Safety Notes: Intended for outdoor or well-ventilated work areas consistent with direct-fired units. Requires proper natural gas plumbing and adherence to manufacturer clearance and ventilation guidelines.
Call 888-896-7031 for Free Local HVAC Quotes – Compare and Save Today!
Mr. Heater Big Maxx MHU80NG
Overview: The Mr. Heater Big Maxx MHU80NG is a compact, mountable Natural Gas unit heater rated at 80,000 BTU for indoor institutional, commercial, or light industrial applications.
Key Features: 80,000 BTU performance; includes two angle brackets and a Liquid Propane conversion kit; supports category 1 vertical or category 3 horizontal venting; 120V power for the fan and controls; coverage up to approximately 2,000 sq. ft.
Why It Suits Industrial Use: Its wall- or ceiling-mountable form factor conserves floor space in workshops and warehouse offices. The heater is designed for continuous operation with venting options adapted to different building setups.
Installation & Safety Notes: Requires professional installation for gas and venting connections. Observe minimum clearance requirements and local codes for vented natural gas heaters.
Modine Hot Dawg Garage Heater HD45
Call 888-896-7031 for Free Local HVAC Quotes – Compare and Save Today!
Overview: The Modine Hot Dawg HD45 is a low-profile, quiet natural gas heater designed for residential, commercial, and light industrial spaces requiring consistent ambient heat.
Key Features: 45,000 BTU output; certified for multiple occupancy types including industrial; low-profile design; quiet operation; durable construction intended for long-term service.
Why It Suits Industrial Use: The unit offers reliable background heating with low noise, making it appropriate for garages, service bays, or hybrid spaces where occupants are present and noise is a consideration.
Installation & Safety Notes: Suitable for professional installation with attention to venting, clearances, and local building codes. Provides steady convective heat rather than concentrated radiant output.
Dyna-Glo IR30NMDG-1 Infrared Wall Heater
Overview: The Dyna-Glo IR30NMDG-1 is a 30,000 BTU natural gas infrared wall heater that delivers radiant heat to objects and people directly, suitable for targeted heating in bays and workstations.
Key Features: 30,000 BTU; infrared technology that radiates heat to objects first; rated for up to 1,000 sq. ft.; natural gas ready (no fuel conversion permitted).
Why It Suits Industrial Use: Infrared heating is effective in drafty or high-ceiling environments where heating the air is inefficient. This unit provides immediate warmth to tools, equipment, or personnel in the heater’s line of sight.
Installation & Safety Notes: Mount where line-of-sight heating is practical and ensure clearances from combustibles. Infrared units require consideration of reflective surfaces and positioning for optimal coverage.
ProCom MN300TPA-B Infrared Heater With Thermostat
Overview: The ProCom MN300TPA-B is a compact 30,000 BTU natural gas infrared heater featuring thermostat control and versatile mounting options for smaller industrial rooms and offices.
Key Features: 30,000 maximum BTU; thermostat with High/Medium/Low settings; includes wall mount and base feet; slim design for discreet placement; heats up to roughly 1,400 sq. ft. depending on space and insulation.
Why It Suits Industrial Use: The integrated thermostat and multiple mounting options support targeted climate control in offices, control rooms, and small workshops where both aesthetics and performance matter.
Installation & Safety Notes: Designed for natural gas only; position per manufacturer guidelines to ensure correct heat distribution and adequate ventilation for ventless or infrared use as applicable.
Buying Guide: Choosing The Right Industrial Gas Heater
This buying guide outlines key considerations and comparison perspectives to help select a heater matched to specific industrial needs. Focus on capacity, fuel type, mounting, safety, efficiency, and maintenance.
Heat Output And Coverage
- BTU Rating: Match BTU output to space volume, insulation, and air leakage. Larger open sites require significantly higher BTU outputs.
- Coverage Estimates: Manufacturer coverage estimates are general; perform a heat load calculation for precise sizing.
Fuel Type And Availability
- Natural Gas vs. Propane: Natural gas is cost-effective for facilities with piped service; propane offers portability but requires cylinder management.
- Conversion Kits: Some units include or allow conversion kits; confirm manufacturer allowances and code compliance.
Heater Technology: Direct-Fired, Infrared, Or Vented Unit
- Direct-Fired: High output and efficient for outdoor or well-ventilated zones; combustion products are emitted with the discharge air.
- Infrared: Radiant heat warms objects and people directly, useful for drafty, high-ceiling, or spot-heating scenarios.
- Vented/Unit Heaters: Provide conditioned air without discharging combustion gases into the workspace; require ducting or venting.
Installation And Mounting
- Mounting Options: Wall, ceiling, or floor models affect footprint and distribution. Choose based on workflow, clearances, and accessibility.
- Venting Requirements: Vented and direct-fired appliances demand specific venting and clearances. Verify local codes and manufacturer instructions.
Safety Features
- ODP and Shutoff Sensors: Oxygen Depletion Sensors and automatic shutoff are critical for ventless or enclosed-area applications.
- High-Temperature Limits and Diagnostics: Overheat protection, limit switches, and diagnostic lights simplify troubleshooting and reduce downtime.
Durability And Construction
- Materials & Coatings: Corrosion-resistant finishes and heavy-gauge components increase lifespan in industrial environments.
- Serviceability: Accessible controls and diagnostic indicators reduce maintenance time and costs.
Controls And Efficiency
- Thermostat And Modulation: Integrated thermostats and multi-speed fans or modulation settings improve comfort and lower fuel usage.
- Fuel Efficiency: Review direct-fired efficiency ratings and real-world operational implications for fuel consumption.
Noise And Operational Considerations
- Noise Levels: Quiet burner technology or low-speed fans are beneficial where occupants or sensitive equipment are present.
- Continuous Operation: Consider duty cycle ratings and cooling requirements for units expected to run for extended periods.
Comparative Perspectives
- High BTU Heavy-Duty Use: Choose large direct-fired units like the L.B. White for outdoor or open industrial jobsites requiring rapid heat.
- Mounted Indoor Heating: For structured indoor spaces, vented unit heaters or wall/ceiling natural gas models such as the Mr. Heater Big Maxx or Modine provide continuous ambient heat with compliance-friendly venting.
- Targeted Heating: Infrared models like Dyna-Glo and ProCom are effective for spot heating and areas where air turnover reduces convective efficiency.
Maintenance And Service
- Routine Inspections: Inspect burners, gas lines, electrical connections, and safety controls seasonally.
- Replacement Parts: Verify availability of components like ignition modules, sensors, and fans for the chosen model.
Use these considerations to evaluate trade-offs between upfront capacity, long-term operational costs, and the specific environment where the heater will operate. Always follow manufacturer instructions and local codes for installation and operation.
Tips for Getting the Best HVAC Prices
- Prioritize Quality Over Cost
The most critical factor in any HVAC project is the quality of the installation. Don’t compromise on contractor expertise just to save money. - Check for Rebates
Always research current rebates and incentives — they can significantly reduce your overall cost. - Compare Multiple Quotes
Request at least three estimates before making your choice. You can click here to get three free quotes from local professionals. These quotes include available rebates and tax credits and automatically exclude unqualified contractors. - Negotiate Smartly
Once you've chosen a contractor, use the proven strategies from our guide — How Homeowners Can Negotiate with HVAC Dealers — to get the best possible final price.