Description
MRCOOL Signature 96% AFUE, 70K BTU, 4 Ton, Downflow Gas Furnace – 17.5-Inch Cabinet – MGD96SE070B4XA
Not only is the MRCOOL® Signature Series Single-Stage 96% AFUE 70K BTU able to provide effective heating for your home in an easy to install downflow configuration, it is also quiet running and energy efficient.
With a 96% AFUE, this unit will help you save on utility bills. This is thanks in part to the multi-speed high efficiency blower motor. You can also experience enhanced cooling SEER ratings when applied with properly matched cooling equipment. You can expect longterm operation thanks to the durable build and finish and an aluminized steel primary heat exchanger with crimped non-welded construction. The aluminized steel inshot burners and durable silicon nitride ignitor help ensure smooth ignition.
You can expect quick whole-home heating with the single stage gas valve. Installation is easy with the unit’s compact 33 inch design with standardized widths for easy coil fit. It can be easily vented with PVC pipe and offers left or right utility connections. It is design certified for direct and non-direct vent applications, and you have the opportunity to transition to liquid propane with an optional LP kit. Maintenance is easy for your HVAC technician courtesy of the easily removable slide out blower design. This furnace is proudly backed by a lifetime heat exchanger warranty and 10 year parts warranty.
Specifications
| Dimensions | 29″ D x 33″ H x 17.5″ W |
|---|---|
| AFUE | 96% |
| CFM | 1600 |
| Tonnage | 4 Ton |
| Fuel Type | Gas |
| BTU Input | 66,000 |
| BTU Output | 64,000 |
| Voltage | 120V |
| Phase | 1 |
| Cycle | 60Hz |
| Max Fuse Breaker | 15 |
| Full Load | 8.4 |
| GAS Connection Size | 1/2″ |
| AHRI Certified | Yes |
| Gross Weight | 139 lbs |
Video
What our Experts Think
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High Efficiency Heating – 96% AFUE ensures maximum fuel savings and lower utility bills.
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Reliable Output – 70,000 BTU capacity delivers consistent warmth for medium to large homes.
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Downflow Design – Built for installations requiring airflow directed downward.
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Compact Cabinet – 17.5-inch width fits standard spaces while providing 4 Ton airflow capacity.
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Durable & Quiet – Strong build with smooth, quiet operation for long-term reliability.
Q&A
Q: What is the MRCOOL Signature 70K BTU Gas Furnace designed for?
A: It’s a high-efficiency downflow gas furnace that delivers reliable heating for residential spaces using natural gas.
Q: How efficient is this furnace?
A: With a 96% AFUE rating, it converts nearly all fuel into usable heat, lowering energy costs compared to standard furnaces.
Q: What size system is it compatible with?
A: This model is a 4-ton furnace built for integration with central HVAC systems using a 17.5-inch cabinet.
Q: What type of installation does it support?
A: It’s specifically designed for downflow applications, where ductwork is located beneath the furnace.
Q: How durable is this unit?
A: Constructed with a heavy-duty heat exchanger and insulated cabinet, it ensures long-lasting, quiet, and efficient performance.
Q: Who is this furnace best for?
A: Homeowners needing a reliable, energy-efficient gas furnace that reduces utility bills while providing consistent comfort.
Maintenance Tips
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Filter Replacement: Change air filters every 1–3 months to maintain airflow and efficiency.
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Inspect Burners: Have burners checked and cleaned annually to ensure safe combustion.
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Check Venting: Inspect flue pipes for blockages or leaks to maintain proper ventilation.
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Clean Cabinet & Blower: Remove dust buildup from the blower assembly and furnace cabinet.
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Thermostat Test: Verify thermostat accuracy before each heating season.
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Safety Check: Test carbon monoxide detectors regularly when operating a gas furnace.
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Professional Service: Schedule yearly maintenance to maximize efficiency and extend furnace life.
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