80% AFUE 40K BTU Upflow/Horizontal/Downflow Single-Stage DC Motor VersaPro Natural Gas Furnace with A Cabinet
SKU MGA80SE040A3C
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
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Proper sizing prevents short-cycling, high bills, and premature failure. Our sizing tool takes 60 seconds.
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Description
80% AFUE 40K BTU Upflow/Horizontal/Downflow Single-Stage DC Motor VersaPro Natural Gas Furnace with A Cabinet
What's in the Box
Here's what you'll receive with your order
80% AFUE 40K BTU Upflow/Horizontal/Downflow Single-Stage ...
As described
Key Specifications
115V
Voltage
80% AFUE 40K BTU Upflow/Horizontal/Downflow Single-Stage DC Motor VersaPro Natural Gas Furnace with A Cabinet — Model Details
What this specific model is sized for, how it installs, how it performs, and what it costs to run.
Room & Space Coverage — 40,000 BTU
The 80% AFUE 40K BTU Upflow/Horizontal/Downflow Single-Stage DC Motor VersaPro Natural Gas Furnace with A Cabinet delivers 40,000 BTU of cooling and heating capacity, sized for spaces up to 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 80% AFUE, meaning 80¢ of every fuel dollar becomes usable heat — the rest exits through the flue.
Power & Electrical Requirements
Power requirement: 115V 1-phase 60Hz (standard US 120V household outlet). Minimum circuit ampacity is 8A with a maximum overcurrent protection of 15A. Wire the outdoor unit with 14 AWG copper on a dedicated 15A double-pole breaker (or single-pole at 120V), with a disconnect within sight of the condenser per NEC 440.14.
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.
Sound Level & Comfort Features
The indoor blower offers 5 fan speeds plus auto mode, letting you trade airflow for quiet operation in bedrooms while running louder in living areas.
Warranty & Certifications
When you register your unit within 60 days of purchase you get 10 Years on parts through MrCool's registered warranty program. Unregistered coverage drops to 5 Years — registration takes 3 minutes at mrcool.com and is the highest-ROI post-purchase step you can take. UL/ETL listed for North American electrical safety — required for most utility rebate and tax credit programs.
What's in the Box & Compatibility
Ships as a Gas Furnace. Designed to pair with R-410A & R-454B Refrigerants. If you're buying a condenser-only SKU you'll need to match it with a compatible air handler or head unit of equal or smaller total BTU.
Product Details
Introducing the MRCOOL® VersaPro® 40K BTU 80% AFUE Gas Furnace, designed to keep your home warm and comfortable throughout the winter. With an 80% AFUE rating, this high-efficiency furnace ensures that most of the fuel consumed is converted into heat, providing cost-effective and reliable warmth while helping to reduce energy expenses. Built for durability and performance, the VersaPro® features a powerful ECM blower motor, which enhances airflow efficiency, allows for easy speed adjustments, and contributes to lower utility costs. Its compact design ensures flexible installation, making it an ideal choice for homes with limited space. Whether for upflow, downflow, or horizontal applications, this furnace offers multi-position installation for maximum adaptability. Additionally, it features convenient left or right gas and electric service connections, and with an optional LP conversion kit, it can easily switch from natural gas to propane. This furnace is compatible with a wide range of 24V thermostats, allowing for seamless control. For added peace of mind, it comes with a 10-year parts warranty and a lifetime heat exchanger warranty when registered within 90 days of installation. Even without registration, it includes a 5-year parts warranty and a 20-year heat exchanger warranty, ensuring long-term reliability and home comfort.
Specifications
| Voltage | 115 V |
| Airflow | 1150 CFM |
| Phase | 1 |
Features
- Filter Size:  Side Return: 16x25x1  Bottom Return: varies on furnace casing width 14x25 16x25 20x25 24x25
- Durable Build & Finish
- Multi-Position Application
- Two-Stage DC motor
- Quiet Operation
- Superior Performance
- Durable Build & Finish
- Optional LP Kit
- Multi-Position Application
- 80% AFUE
- Two Stage
- Energy Efficient
- Compatible with R454b Refrigerant
Frequently Asked Questions
Everything you need to know about this product
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Ships Nationwide — Shop by State
We deliver the 80% AFUE 40K BTU Upflow/Horizontal/Downflow Single-Stage DC Motor VersaPro Natural Gas Furnace with A Cabinet to all 50 states via FedEx, UPS, and truck freight. Each state page lists local rebate programs and utility incentives.