Unit Heaters: Natural Gas and Propane Unit Heaters
Natural Gas and Propane Unit Heater Manufacturers
Modine
Featured Unit Heaters: Natural Gas and Propane Unit Heaters
Modine - Hot Dawg Power-Vented Gas-Fired Unit Heater (HD/HDB)
Modine's Hot Dawg® Power-Vented Gas-Fired Unit Heater (HD/HDB) is designed for residential garages, workshops, and light commercial spaces. With a low-profile design and quiet operation, it efficiently heats areas up to 1,250 sq ft while freeing up floor space. Available in 6 model sizes (30,000–125,000 BTU/hr), it features versatile installation options and dual-fuel capability (natural gas/propane).
Features
Space-Saving Design
Low-profile unit installs just 1″ from ceiling with included angle brackets (30-75K BTU models) for optimal workspace utilization.
Dual-Fuel Flexibility
Operates on natural gas or propane with field-convertible kits for easy fuel switching.
Power Venting System
Simplifies side-wall or roof venting with small-diameter pipes and includes 100% shut-off safety with continuous retry ignition.
Maintenance-Free Operation
Permanently lubricated motor and finger-proof fan guards reduce service needs.
Reversible Controls
30-75K BTU models allow 180-degree rotation for left/right-hand control panel placement.
Specifications
Model Range
HD (Power-Vented) and HDB (Power-Vented with Blower): 30K, 45K, 60K, 75K, 100K, 125K BTU/hr.
Coverage Area
Heats spaces from 500–1,250 sq ft depending on model size.
Certifications
ETL Certified for residential, commercial, and industrial use.
Construction
Heavy-gauge steel cabinet with corrosion-resistant finish.
Warranty
Limited warranty coverage (terms vary by model).
Warranty
Documents
Modine - Effinity with Building Management System Integration (PTC/BTC)
Modine's Effinity series typically offers high-efficiency gas heating with advanced controls, though specific BMS integration details for PTC/BTC models weren't located in available resources.
Features
Specifications
Warranty
Documents
Modine - Separated Combustion & Power Vented Gas-Fired Unit Heaters
These gas-fired heaters provide superior indoor air quality by using 100% outside air for combustion while delivering efficient heating through aluminized heat exchangers.
Features
Dual Venting Options
Separated combustion (HDS) or power-vented (HD) configurations.
Efficient Operation
80% thermal efficiency with 10:1 turndown ratio.
Specifications
Capacity
30,000-400,000 BTU/hr inputs.
Certifications
ANSI Z83.8 compliant with ETL listing.
Warranty
Documents
Modine - Power Vented Gas-Fired Unit Heaters
Modine's HD (standard) and HDS (separated combustion) series provide efficient gas-fired heating with power venting solutions for demanding commercial environments.
Features
Venting Options
HD models use indoor combustion air, while HDS models draw 100% outdoor air.
Efficient Operation
80% thermal efficiency with aluminized tubular heat exchangers.
Control Integration
Compatible with Modine’s Carel microprocessor controls.
Specifications
Capacity
30,000-400,000 BTU/hr inputs (natural gas/propane).
Static Pressure
0.3″ w.g. with standard blower (0.5″ optional).
Construction
20-gauge galvanized steel with corrosion-resistant finish.
Warranty
Documents
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