96% AFUE 4 Ton 90,000 BTU Downflow Multi-Speed Gas Furnace
SKU MGD96SE090C4XA
Customize it — compatible add-ons only
Sits on the furnace to add AC/heat-pump cooling — width matches this furnace cabinet.
Seals the coil casing to the furnace for a clean transition.
Converts this single-stage natural-gas furnace to liquid propane (high-altitude kit available).
MRCOOL 24V smart thermostat for ducted systems — Wi-Fi control and scheduling.
Maintenance kit and coil cleaner keep efficiency (and the warranty) healthy.
Sizing Help
Not sure if this system is right for your space?
Proper sizing prevents short-cycling, high bills, and premature failure. Our sizing tool takes 60 seconds.
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Description
96% AFUE 4 Ton 90,000 BTU Downflow Multi-Speed Gas Furnace
What's in the Box
Here's what you'll receive with your order
96% AFUE 4 Ton 90,000 BTU Downflow Multi-Speed Gas Furnace
As described
Key Specifications
120V
Voltage
96% AFUE 4 Ton 90,000 BTU Downflow Multi-Speed Gas Furnace — Model Details
What this specific model is sized for, how it installs, how it performs, and what it costs to run.
Room & Space Coverage — 88,000 BTU
The 96% AFUE 4 Ton 90,000 BTU Downflow Multi-Speed Gas Furnace delivers 88,000 BTU of cooling and heating capacity (4-ton class), sized for spaces 2,000+ sq ft in standard 8-ft ceiling rooms with average insulation. At this capacity the unit is typically used for open-plan main floors, large garages, pole barns, finished basements, and small commercial bays. For homes with vaulted ceilings, heavy sun exposure, or poor insulation, plan on ~20% more BTU per square foot than the nominal coverage.
Efficiency & Operating Cost
On the gas side the unit achieves 96% AFUE, meaning 96¢ of every fuel dollar becomes usable heat — the rest exits through the flue.
Power & Electrical Requirements
Power requirement: 120V 1-phase 60Hz (standard US 120V household outlet).
Install Difficulty — Professional Install
This is a professionally-installed condenser that requires a licensed HVAC technician with EPA 608 certification. The tech will pull a vacuum on the line set to 500 microns, pressure-test with nitrogen, release the factory charge, and commission per MrCool's startup procedure. Budget 1 full day for install on a single-zone system.
What's in the Box & Compatibility
Ships as a Gas Furnace.
Product Details
The MRCOOL® Signature Series Single-Stage 96% AFUE 90k BTU downflow furnace is a quiet running unit that provides excellent heating performance while remaining energy efficient. With low NOx, a 96% AFUE, and a multi-speed high efficiency blower motor, this furnace will ensure savings on your utility costs. The unit is constructed with an aluminized steel primary heat exchanger that is crimped and non-welded, resulting in a durable build and finish. Ignition is smooth thanks to the aluminized steel inshot burners and long lasting silicon nitride ignitor. The single stage gas valve ensures heating is delivered quickly to your home. In order to ease the installation process, the unit offers left or right utility connections and is design certified for direct and non-direct vent applications. It can be easily vented with PVC pipe and features a compact 33 inch design with standardized widths for an easy coil fit. An optional LP kit is also available if needed. Your HVAC technician will appreciate the easily removable slide out blower design that makes maintenance even easier. This downflow furnace is backed by a lifetime warranty on the heat exchanger and a 10 year parts warranty.
Specifications
| Voltage | 120 V |
| Tonnage | 4 Ton |
| Airflow | 1600 CFM |
| Phase | 1 |
Frequently Asked Questions
Everything you need to know about this product
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Ships Nationwide — Shop by State
We deliver the 96% AFUE 4 Ton 90,000 BTU Downflow Multi-Speed Gas Furnace to all 50 states via FedEx, UPS, and truck freight. Each state page lists local rebate programs and utility incentives.