Sterling GG075N Low Profile Gas Unit Heater | 75,000 BTU | Natural Gas & LP Kit (GG075A1NSA11)

Keep your garage, workshop, or greenhouse warm all winter long with the Sterling GG075N Gas-Fired Unit Heater.

Engineered with a space-saving, low-profile design, this powerful 75,000 BTU furnace delivers an impressive 82% thermal efficiency. It features an advanced single-orifice burner system and a rugged 20-gauge aluminized steel tubular heat exchanger, making it exceptionally durable, reliable, and easy to maintain.

• Model: GG075N (GG075A1NSA11)
• Heating Capacity: 75,000 BTU Input / 61,500 BTU Output
• Thermal Efficiency: 82%
• Air Flow Rate: 920 CFM
• Fuel Type: Natural Gas (Liquid Propane conversion kit included)
• Electrical: 115V / 1-Phase / 60Hz / 4.1 Amps
• Gas Connection: 1/2" NPT
• Flue/Vent Size: 4 Inch
• Dimensions: 30" W x 16-13/16" H x 26-3/16" D
• Weight: 95 lbs

1. Sterling GG075 Gas Unit Heater
2. Flue Collar
3. Natural Gas to LP Conversion Kit
4. Installation & Operation Manual

Keep your garage, workshop, warehouse, or greenhouse comfortable year-round with the Sterling GG075 (GG075A1NSA11) Low-Profile Gas-Fired Unit Heater. Engineered specifically for low-ceiling applications, this powerful 75,000 BTU power-vented heater delivers 82% thermal efficiency in a compact, space-saving design.

Factory-configured for Natural Gas, each unit includes a Liquid Propane (LP) conversion kit in the box for maximum installation flexibility. Built with a heavy-duty 20-gauge aluminized steel tubular heat exchanger and a single-orifice burner system, the Sterling Garage Guy series provides reliable, low-maintenance commercial and residential heating.

Key Features:

• Space-Saving Low Profile: Fits flush to ceilings to maximize workspace clearance.

• Dual Fuel Ready: Set up for Natural Gas out of the box; includes LP conversion kit.

• Power Vented: Standard/separated combustion design with a 4-inch flue collar for easy horizontal or vertical venting.

• Heavy-Duty Construction: 20-gauge steel cabinet with a baked enamel finish and direct spark ignition.

• Quiet & Efficient: 920 CFM air flow with integrated fan guard protection.

Technical Specifications:

• Manufacturer: Sterling HVAC

• Model / SKU: GG075N / GG075A1NSA11

• Input Rating: 75,000 BTU/hr

• Output Rating: 61,500 BTU/hr

• Thermal Efficiency: 82%

• Airflow Capacity: 920 CFM

• Fuel Type: Natural Gas (LP Conversion Kit Included)

• Electrical Requirements: 115V / 1-Phase / 60Hz / 4.1 Amps

• Gas Connection: 1/2" NPT

• Flue/Vent Size: 4" Diameter

• Dimensions: 30" W x 16.8" H x 26.2" D

• Unit Weight: 95 lbs

What’s Included:

• (1) Sterling GG075 Gas-Fired Unit Heater (Brand New)

• (1) Factory Flue Collar

• (1) Natural Gas to Liquid Propane Conversion Kit

• (1) Installation, Operation & Maintenance Manual

Orders ship via USPS, FedEx or UPS depending on the purchase price, size and weight.

Will only ship to the lower 48 states. No international shipping.