MRCOOL Signature 96% AFUE, 90K BTU, 4 Ton, Multi Position Gas Furnace - 21-Inch Cabinet (MGM96SE090C4XA)

MRCOOL Signature 96% AFUE, 90K BTU, 4 Ton, Multi Position Gas Furnace - 21-Inch Cabinet (MGM96SE090C4XA)


Sale price$1,937.00 Regular price$2,518.10
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MRCOOL Signature 96% AFUE, 90K BTU, 4 Ton, Multi Position Gas Furnace - 21" Cabinet (MGM96SE090C4XA)

The MRCOOL® Signature Series Single-Stage 96% AFUE 90k BTU gas furnace provides superior heating comfort in an energy efficient and quiet running unit that can be configured in an upflow or horizontal orientation. With low NOx and a 96% AFUE, the furnace’s multi-speed high efficiency blower motor helps to keep utility costs low.

For even higher cooling SEER ratings, apply this furnace with properly matched cooling equipment. The aluminized steel primary heat exchanger with crimped non-welded construction make up this unit’s long-lasting build and finish. With a durable silicon nitride ignitor and aluminized steel inshot burners, the ignition process for this furnace is smooth and effective. The single stage gas valve ensures heating is delivered quickly to your home. Installation is easy with the furnace’s compact 33 inch design, it can be easily converted to use liquid propane with an optional LP kit, and offers a zero step horizontal conversion process.

The furnace can be easily vented with PVC pipe and features a left or right utility connection, aiding in the installation ease. It has standardized widths for easy coil fit and is design certified for direct and non-direct vent applications. Another useful feature is its removable floor base for bottom return air. The furnace’s easily removable slide out blower design makes for easy maintenance of the unit. MRCOOL® offers a lifetime heat exchanger warranty and 10-year parts warranty.



29" D x 33" H x 21" W 






4 Ton

Fuel Type


BTU Input


BTU Output








Max Fuse Breaker


Full Load


GAS Connection Size


AHRI Certified


Gross Weight

152 lbs 


Mini Split FAQ

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 23 reviews
Peter K. (Phoenix, US)
Pretty Easy Install and Works Great!

Installed my own central HP system. It was a bit of work but nothing beyond a person with basic mechanical and electrical skills. It took me a while because I had to remove the existing electric forced air furnace from a pretty tight place. Some custom sheet metal work and a bit of custom electrical too. Worked perfectly when powered up and I actually like the thermostat provided, although I wish it was clearer how to set up a temperature set-back schedule. Pre-charged refrigerant piping was something new and I liked that too. The best thing is that my electric utility forked out $4,000 and that paid for the unit!

WesD (Chicago, US)
Installed and working great

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

Nat R. (Odessa, US)
4 ton condensing unit

Very good delivery service installed and works like a Should

walter w. (Port Neches, US)
Old r22 unit, same capacity, worked better in temperature extremes

Product came packaged well, undamaged. Installation was difficult, followed instructions for suction line above coil on bilevel installation with coil above condenser. 108 inside house on startup, 103 ambient. First start, high pressure 500, low pressure 170, supply air temp 66 degrees. Very worried at first, but after house cooed down, everything within parameters. Researched 410a refrigerant, found out it looses efficiency exponentially during temperature extremes. My old r22 unit would supply 54 degree supply air in comparable operating conditions. EPA, government, a/c manufactures all lying to American public

justin N. (New York, US)
Well built

First time ever installing Mr cool unit was built very good it has a dc converted fan motor,came with a salt shelf type coating om inside of unit over all very impressed 5star system

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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