MRCOOL Signature 96% AFUE, 70K BTU, 3 Ton, Multi Position Gas Furnace - 17.5-Inch Cabinet (MGM96SE070B3XA)

MRCOOL Signature 96% AFUE, 70K BTU, 3 Ton, Multi Position Gas Furnace - 17.5-Inch Cabinet (MGM96SE070B3XA)

The MRCOOL® Signature Series Single-Stage 96% AFUE 70k BTU gas furnace is the perfect option to experly warm your home no matter how harsh the weather conditions. This quiet running, energy efficient unit is designed to be used in an upflow or horizontal configuration and offers low NOx. With a 96% AFUE, this furnace will save on utility costs thanks to the multi-speed high efficiency blower motor. When matched with the proper cooling equipment, you can experience enhanced cooling SEER ratings as well. It features a durable build and finish with an aluminized steel primary heat exchanger with crimped non-welded construction.

For optimal operation, the furnace offers aluminized steel inshot burners for a smooth ignition process and a durable silicon nitride ignitor. The single stage gas valve delivers heating to your home quickly. The 33 inch compact design, left or right utility connection, and zero step horizontal conversion make this furnace easy to install.

It features standardized widths for easy coil fit and is design certified for direct and non-direct applications. It is easily vented with PVC pipe and features a removable floor base for bottom return air. The optional LP kit allows for an easy conversion to use liquid propane. For easy maintenance, the furnace has an easily removable slide-out blower. For peace of mind, MRCOOL® offers a 10-year parts warranty and a lifetime heat exchanger warranty on this furnace.

Specifications

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What our Experts Think

• Energy-Saving Efficiency – 96% AFUE ensures maximum fuel use with lower utility costs.

• Dependable Heating Power – 70,000 BTU, 3-ton capacity delivers consistent home comfort.

• Flexible Installation – Multi-position design fits upflow, downflow, or horizontal applications.

• Compact 17.5-Inch Cabinet – Space-friendly size ideal for tighter installations.

• Built to Last – Strong construction and quiet operation make it a reliable long-term choice.

Q&A

Q: What is the heating capacity of the MRCOOL MGM96SE070B3XA?
A: It provides 70,000 BTUs of heating power, making it ideal for small to medium-sized homes.

Q: How efficient is this furnace?
A: With a 96% AFUE rating, it offers excellent energy efficiency and reduced utility costs.

Q: Can it be installed in multiple positions?
A: Yes, it supports multiposition installation, including upflow, downflow, and horizontal setups.

Q: What cabinet size does it fit?
A: This model is housed in a 17.5-inch cabinet for a compact yet powerful design.

Q: Who is this furnace best suited for?
A: Homeowners looking for a reliable, high-efficiency gas furnace with flexible installation options.

Maintenance Tips

• Replace or clean air filters every 1–3 months to maintain airflow.

• Inspect exhaust venting regularly to ensure safe, unobstructed operation.

• Keep furnace area clear of dust, debris, and flammable items.

• Check condensate drain line and pan periodically for leaks or blockages.

• Have burners, ignitor, and heat exchanger inspected annually by a professional.

• Listen for unusual noises that could signal loose parts or wear.

• Schedule yearly professional maintenance for efficiency and safety.