MRCOOL Signature 96% AFUE, 45K BTU, 3 Ton, Multi Position Gas Furnace - 17.5-Inch Cabinet (MGM96SE045B3XA)

MRCOOL Signature 96% AFUE, 45K BTU, 3 Ton, Multi Position Gas Furnace - 17.5-Inch Cabinet (MGM96SE045B3XA)


Sale price$1,546.00 Regular price$2,009.80
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MRCOOL Signature 96% AFUE, 45K BTU, 3 Ton, Multi Position Gas Furnace - 17.5" Cabinet (MGM96SE045B3XA)

The MRCOOL® Signature Series Single-Stage 96% AFUE 45k BTU gas furnace is a quiet-running, low NOx, and energy efficient unit that provides superior warmth during the harshest winter weather.

With a 96% AFUE, the furnace features a multi-speed high efficiency blower motor and offers enhanced cooling SEER ratings when applied with properly matched cooling equipment. It features a durable build and finish with an aluminized steel primary heat exchanger with crimped non-welded construction. The aluminized steel inshot burners provide smooth ignition with a durable silicon nitride ignitor. Thanks to the single-stage gas valve, you can expect your home to be heated quickly. With a compact 33-inch design, a left or right utility connection, and a zero step horizontal conversion, installation is easy and time-saving. It also features standardized widths for easy coil fit, a removable floor base for bottom return air, and can be easily vented with PVC pipe.

The furnace is design certified for direct and non direct applications, and an optional LP kit is available to easily convert the unit to a liquid propane configuration. Maintenance of the unit is easy thanks to the easily removable slide out blower design. MRCOOL® proudly offers a 10-year parts warranty and a lifetime heat exchanger warranty to provide peace of mind.



29" D x 33" H x 17.5" W 






3 Ton

Fuel Type


BTU Input


BTU Output








Max Fuse Breaker


Full Load


GAS Connection Size


AHRI Certified


Gross Weight

124 lbs 


What BTU rating should I choose for my air handler?

  • This depends on the coverage area/room size you are trying to heat/cool
  • An Air Handler's BTU is how powerful the fan is. A higher BTU rating will be able to heat/cool a larger area
Air Handler BTU Coverage Area/Room Size (Sq Ft.)*
Up to 375 Sq. ft
12K BTU Up to 500 Sq. ft
18K BTU Up to 750 Sq. ft
24k BTU Up to 1000 Sq. ft
36k BTU  Up to 1500 Sq. ft

*Ceiling height, insulation, and local climate may impact the coverage area. For example, an uninsulated room will require more power than a well insulated room.

Shipping & Returns

*Shipping Policy

  • Shipping is Free
  • Large appliances ship via Freight Curbside shipment. Meaning the carrier will drop off your item on your property not inside your home. The courier company will call ahead of time to schedule a drop off date
  • For the full details, visit our Shipping Page

Return/Refund Policy
  • 30-Day Return Policy
  • If your order arrives damaged, we will exchange you for a new one. Damage must be reported within 24 hours. 
  • For more details, visit our Return Policy Page


Customer Reviews

Based on 20 reviews
WesD (Chicago, US)
Installed and working great

Installed with ceiling cassettes... Quiet and keeping us cool so far !

Thomas R. (Bradford, US)

I had purchase a 2 zone/ 2 head unit.

Installed to manufacture specs and instructions.

One machine lasted 30 days before an internal fan motor- bearing broke and caused product failure.

A week after that, the interior -second head unit failed. Completely iced up internally.

I put a complaint in as soon as each issue presented itself.

I have yet to receive compensation, a replacement part or acknowledgement of the second unit failing.

I do not recommend Mr. Cool products to anyone. They are cheaply made and the customer support is extremely poor.

Not worth DIY savings (pre charged units)

Walter (North Fort Myers, US)
Quality unit

Best constructive unit seen in a long time, all copper tube coil, very well designed and made

Johnny C. (Crozet, US)
Mr. Cool

The best investment I have added to the house. Very quiet, enjoy the nice cool breeze and very economical to run. Supply shipped everything on a well deserved time. No broken parts, thank a million times, will buy again from this supplier.

Dwaine G. (Stockton, US)
extra line set

as we bought an extra line set with the original order, we didn't receive the connectors we contacted the company they were quick to try and respond but slow to react. it took almost a month to get the connectors.

Why buy a MRCOOL from Home Outlet Direct?

- We are an authorized MRCOOL dealer

- Industry leading sales and customer service

- Thousands of happy customers

Real Customers. Real Results.

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