MRCOOL 80% AFUE 3 Ton 70,000 BTU Gas Furnace (Model: MGM80SE070B3A)
Efficient Heat. Dependable Performance. Built for Winter.
The MRCOOL MGM80SE070B3A is a rugged, high-performance 3 Ton, 70,000 BTU gas furnace designed to deliver dependable heating in upflow or horizontal configurations. With an 80% AFUE rating, this single-stage system ensures that 80 cents of every fuel dollar go directly to warming your home—helping reduce energy costs without sacrificing comfort.
Engineered for easy installation and long-lasting durability, this furnace features a compact 33" height, a high-efficiency 5-speed ECM blower motor, and flexible utility connections for left or right setup.
⚠️ Note: Not available for sale in California due to state efficiency regulations.
🔧 Key Features:
-
80% AFUE Efficiency Rating
Converts 80% of fuel into usable heat—ideal for cost-effective winter comfort. -
Powerful 70,000 BTU Heating
Covers medium-to-large spaces with consistent, even heat output. -
Versatile Installation Options
Compatible with upflow and horizontal configurations; includes removable floor base for bottom return. -
Quiet ECM Blower Motor
5-speed constant torque motor maintains airflow while keeping operation quiet and efficient. -
Durable, Long-Lasting Build
Includes aluminized steel inshot burners and a tapered crimped (non-welded) clam shell heat exchanger. -
Rotatable Draft Inducer & Utility Access
Left or right utility hookups and flexible venting design simplify installation. -
Easy Maintenance Access
Slide-out blower assembly makes service and cleaning fast and hassle-free. -
Certified & Covered
AHRI and CSA certified for safety and performance. Backed by a 10-year registered parts warranty.
PRODUCT SPECIFICATIONS:
| Product Dimensions | 17 1/2'W x 28 3/8'D x 33'H |
| Product Weight | 127 lbs |
| Unit Type | Gas Furnace |
| AFUE | 80% |
| CFM | 1245 |
| Tonnage | 3 |
| Heating Capacity | 66,000 BTU |
| Fuel Type | Natural Gas |
| BTU Input | 66,000 |
| BTU Output | 52,800 |
| Voltage |
Requires a minimum of 120V/60HZ/15A |
| Phase | 1 |
| Cycle | 60 |
| Stage | Single |
| Max Fuse Breaker | 15 |
| Min Circuit Ampacity | 6.8 |
| Color | Gray |
| Full Load | 6.8 |
| Number of Burners | 6 |
| Gas Connection Size | 0.5 |
| Blower Motor Type | ECM |
| Blower Motor HP | 1/2 |
| Blower Motor Speeds | 5 Speed |
| Blower Motor RPM | 695-1245 |
| Heat Exchanger Type | Aluminized steel |
| Ignition Type | Silicon Nitride Ignitor |
| Vent Connector | 4 inch |
| LP Kit Available | Yes |
| Certifications | CSA AHRI |
| Warranty |
Registered 10 Year Parts Warranty |
| Restricted States | Yes (California) |
Original: $1,294.00
-65%$1,294.00
$452.90More Images
MRCOOL 80% AFUE 3 Ton 70,000 BTU Gas Furnace (Model: MGM80SE070B3A)
Efficient Heat. Dependable Performance. Built for Winter.
The MRCOOL MGM80SE070B3A is a rugged, high-performance 3 Ton, 70,000 BTU gas furnace designed to deliver dependable heating in upflow or horizontal configurations. With an 80% AFUE rating, this single-stage system ensures that 80 cents of every fuel dollar go directly to warming your home—helping reduce energy costs without sacrificing comfort.
Engineered for easy installation and long-lasting durability, this furnace features a compact 33" height, a high-efficiency 5-speed ECM blower motor, and flexible utility connections for left or right setup.
⚠️ Note: Not available for sale in California due to state efficiency regulations.
🔧 Key Features:
-
80% AFUE Efficiency Rating
Converts 80% of fuel into usable heat—ideal for cost-effective winter comfort. -
Powerful 70,000 BTU Heating
Covers medium-to-large spaces with consistent, even heat output. -
Versatile Installation Options
Compatible with upflow and horizontal configurations; includes removable floor base for bottom return. -
Quiet ECM Blower Motor
5-speed constant torque motor maintains airflow while keeping operation quiet and efficient. -
Durable, Long-Lasting Build
Includes aluminized steel inshot burners and a tapered crimped (non-welded) clam shell heat exchanger. -
Rotatable Draft Inducer & Utility Access
Left or right utility hookups and flexible venting design simplify installation. -
Easy Maintenance Access
Slide-out blower assembly makes service and cleaning fast and hassle-free. -
Certified & Covered
AHRI and CSA certified for safety and performance. Backed by a 10-year registered parts warranty.
PRODUCT SPECIFICATIONS:
| Product Dimensions | 17 1/2'W x 28 3/8'D x 33'H |
| Product Weight | 127 lbs |
| Unit Type | Gas Furnace |
| AFUE | 80% |
| CFM | 1245 |
| Tonnage | 3 |
| Heating Capacity | 66,000 BTU |
| Fuel Type | Natural Gas |
| BTU Input | 66,000 |
| BTU Output | 52,800 |
| Voltage |
Requires a minimum of 120V/60HZ/15A |
| Phase | 1 |
| Cycle | 60 |
| Stage | Single |
| Max Fuse Breaker | 15 |
| Min Circuit Ampacity | 6.8 |
| Color | Gray |
| Full Load | 6.8 |
| Number of Burners | 6 |
| Gas Connection Size | 0.5 |
| Blower Motor Type | ECM |
| Blower Motor HP | 1/2 |
| Blower Motor Speeds | 5 Speed |
| Blower Motor RPM | 695-1245 |
| Heat Exchanger Type | Aluminized steel |
| Ignition Type | Silicon Nitride Ignitor |
| Vent Connector | 4 inch |
| LP Kit Available | Yes |
| Certifications | CSA AHRI |
| Warranty |
Registered 10 Year Parts Warranty |
| Restricted States | Yes (California) |
Product Information
Product Information
Shipping & Returns
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Description
Efficient Heat. Dependable Performance. Built for Winter.
The MRCOOL MGM80SE070B3A is a rugged, high-performance 3 Ton, 70,000 BTU gas furnace designed to deliver dependable heating in upflow or horizontal configurations. With an 80% AFUE rating, this single-stage system ensures that 80 cents of every fuel dollar go directly to warming your home—helping reduce energy costs without sacrificing comfort.
Engineered for easy installation and long-lasting durability, this furnace features a compact 33" height, a high-efficiency 5-speed ECM blower motor, and flexible utility connections for left or right setup.
⚠️ Note: Not available for sale in California due to state efficiency regulations.
🔧 Key Features:
-
80% AFUE Efficiency Rating
Converts 80% of fuel into usable heat—ideal for cost-effective winter comfort. -
Powerful 70,000 BTU Heating
Covers medium-to-large spaces with consistent, even heat output. -
Versatile Installation Options
Compatible with upflow and horizontal configurations; includes removable floor base for bottom return. -
Quiet ECM Blower Motor
5-speed constant torque motor maintains airflow while keeping operation quiet and efficient. -
Durable, Long-Lasting Build
Includes aluminized steel inshot burners and a tapered crimped (non-welded) clam shell heat exchanger. -
Rotatable Draft Inducer & Utility Access
Left or right utility hookups and flexible venting design simplify installation. -
Easy Maintenance Access
Slide-out blower assembly makes service and cleaning fast and hassle-free. -
Certified & Covered
AHRI and CSA certified for safety and performance. Backed by a 10-year registered parts warranty.
PRODUCT SPECIFICATIONS:
| Product Dimensions | 17 1/2'W x 28 3/8'D x 33'H |
| Product Weight | 127 lbs |
| Unit Type | Gas Furnace |
| AFUE | 80% |
| CFM | 1245 |
| Tonnage | 3 |
| Heating Capacity | 66,000 BTU |
| Fuel Type | Natural Gas |
| BTU Input | 66,000 |
| BTU Output | 52,800 |
| Voltage |
Requires a minimum of 120V/60HZ/15A |
| Phase | 1 |
| Cycle | 60 |
| Stage | Single |
| Max Fuse Breaker | 15 |
| Min Circuit Ampacity | 6.8 |
| Color | Gray |
| Full Load | 6.8 |
| Number of Burners | 6 |
| Gas Connection Size | 0.5 |
| Blower Motor Type | ECM |
| Blower Motor HP | 1/2 |
| Blower Motor Speeds | 5 Speed |
| Blower Motor RPM | 695-1245 |
| Heat Exchanger Type | Aluminized steel |
| Ignition Type | Silicon Nitride Ignitor |
| Vent Connector | 4 inch |
| LP Kit Available | Yes |
| Certifications | CSA AHRI |
| Warranty |
Registered 10 Year Parts Warranty |
| Restricted States | Yes (California) |
