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Description
MRCOOL 80% AFUE 4 Ton 90,000 BTU Downflow Multi-Speed Gas Furnace, MGD80SE090B4ADependable Warmth with the MRCOOL 80% AFUE Downflow Gas Furnace When winter's harshest weather hits, the warmth and safety of a powerful, reliable gas furnace become essential. The MRCOOL single stage, 80% AFUE gas furnace stands out as one of the best options on the market. Specifically designed for downflow installation, this furnace is engineered to deliver powerful heating performance while keeping your energy bills affordable. With its 80% AFUE
Dependable Warmth with the MRCOOL 80% AFUE Downflow Gas Furnace
When winter's harshest weather hits, the warmth and safety of a powerful, reliable gas furnace become essential. The MRCOOL single-stage, 80% AFUE gas furnace stands out as one of the best options on the market. Specifically designed for downflow installation, this furnace is engineered to deliver powerful heating performance while keeping your energy bills affordable. With its 80% AFUE rating, this furnace ensures that 80% of every dollar spent on heating fuel is converted into effective heat for your home.
Key Features:
- High Efficiency: Boasts an 80% AFUE rating, ensuring maximum value from your heating fuel.
- Downflow Design: Optimized for downflow installation, offering flexibility for various setups.
- Easy Maintenance: Features an easily removable slide-out blower design for quick and simple maintenance.
- Venting Flexibility: Equipped with a rotatable draft inducer, allowing for flexible venting options.
- Durable Construction: Built with an aluminized steel tapered crimped non-welded clam shell heat exchanger for enhanced durability and long-term performance.
- Compact Size: At a compact 33" height, this furnace is designed to fit easily into a variety of spaces.
- Utility Connections: Offers left or right utility connections for versatile installation.
- Efficient Blower Motor: Multi-speed, high-efficiency (constant torque) blower motor ensures consistent and quiet airflow.
- Simple Installation: Zero step horizontal conversion simplifies the installation process.
- Certified Quality: AHRI Certified, meeting strict industry standards for performance and reliability.
- Warranty: Backed by a registered 10-year parts warranty, providing peace of mind for years to come.
- LP Kit: Please note that the LP kit is not included but is available separately.
Choose the MRCOOL 80% AFUE Downflow Gas Furnace for a reliable, efficient, and affordable heating solution that will keep your home warm and comfortable all winter long.
PRODUCT SPECIFICATIONS:
| Product Dimensions | 17 1/2'W x 28 3/8'D x 33'H |
| Product Weight | 140 lbs |
| Unit Type | Gas Furnace |
| AFUE | 80% |
| CFM | 1570 |
| Tonnage | 4 |
| Heating Capacity | 88,000 BTU |
| Fuel Type | Natural Gas |
| BTU Input | 88000 |
| BTU Output | 70400 |
| Voltage |
Requires a minimum of 120V/60HZ/15A |
| Phase | 1 |
| Cycle | 60 |
| Stage | Single |
| Max Fuse Breaker | 15 |
| Min Circuit Ampacity | 8.4 |
| Color | Gray |
| Full Load | 8.4 |
| Number of Burners | 8 |
| Gas Connection Size | 1/2 |
| Blower Motor Type | ECM |
| Blower Motor HP | 3/4 |
| Blower Motor Speeds | 5 Speed |
| Blower Motor RPM | 945-1570 |
| Heat Exchanger Type | Aluminized steel |
| Ignition Type | Silicon Nitride Ignitor |
| Vent Connector | 4 inch |
| LP Kit Available | Yes |
| Certifications | CSA AHRI |
| Warranty |
Registered 10 Year Parts Warranty |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Kids Formal Vest Review
Color: Royal Blue, Size: 12, Color: Royal Blue, Size: 12
At the time of review, the price was $17.09. It seems to be correctly priced for the value it provides.
I found this vest to be versatile, suitable for a range of formal and semi-formal occasions, from weddings to school events, and capable of being dressed up or down. The fit generally seemed accurate or slightly generous, though it does come with the adjustable back strap offering some customization. The overall quality of the vest, including its construction and stitching, appeared to be good, with a durable and well-made feel. It presented a polished and sharp appearance that could elevate an outfit, and the color is very close to the product image. The material felt substantial and structured, yet breathable, often featuring a silky lining and a notable texture and seems to be machine washable. Based on the quality I've seen, I considered this vest to offer good value for its price point.
The vest provides a functional option for children's formal wear. Its design and construction suggest practical utility for various events... or your kid can just wear it all the time like mine does.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Great Boys Suit Vest
Color: Black, Size: 12, Color: Black, Size: 12
I recently had a chance to pick up this boy's suit vest for my upcoming wedding, and it is absolutely perfect. It fits my son so well, running very true to size. The material is so silky smooth and soft, he absolutely loves it. He's autistic and has a thing about different fabrics and this does not irritate or bother him at all. It is going to be perfect over his long sleeve button down shirt. The best looks amazing on him, and the black color is definitely a very dark true black. It is such a great value for the money, you will not be disappointed! I highly recommend picking this up if you need one for your boy or if you have a family member who needs one for an upcoming event.
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Reviewed in the United States on April 4, 2026
★★★★★ 4
Boys vest
Color: Black, Size: 8
The vest looks nice.
It seems well made and looks high quality.
The fabric is nice.
The buttons seem very sturdy.
The vest is lightweight and shouldn’t be too sweaty.
It’s a nice versatile piece. Can be dressed up or down.
The fit is a smidge awkward on my boys, but they still like it.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Looks very nice and sizing is right
Color: Navy Blue, Size: 14, Color: Navy Blue, Size: 14
I ordered this for my 13-year-old who currently wears a size 12-14. He's closer to the 12, but has enough clothes in that size, so I ordered the 14 in navy blue. He chose the color, although it took him a while to decide. My kids so far have preferred not to go to school dances or dressier school functions, but I try to keep an outfit on hand in case they need it, and he does have to dress up a little for school band performances. He doesn't really have any kind of clothing preferences (yet), and is just as likely to look dressed up as he is to wear something completely wrinkled (but clean).
This vest fits as expected. It is a bit large on him to the same degree that the other size 14 clothes he has are. He is pretty skinny, so while I think it would fit someone who is more average sized, I'm not sure how well it will do on huskier sizes. It has a nice buckle on the back as most men's vests like these have, so it can be adjusted in that sense.
The navy color is a bit of a brighter shade than your average navy, but not outside of the normal range for navy. I like it. It’s hard to get the exact color in pictures.
The fabric and construction both seem to be good quality. The fabric feels average compared to my husband's dress vests, better than the lower quality/cheaper ones and not quite as nice as the ones he spent more on. This boy's dress vest is currently being sold for approximately $20, which I think is great for a nice dress vest like this.
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Reviewed in the United States on February 27, 2026
★★★★★ 5
"Navy Vest & Pocket Square Charm; Formal Polish for Perfect Pairing
Color: Navy Blue, Size: 8, Color: Navy Blue, Size: 8
This very charming boys navy blue vest pairs perfectly with the accompanied pocket square, adding formal charm to dockers or navy khakis. My boys look dapper in matching sets. A timeless style that elevates any outfit.
Made with quality fabric that appears to resist wrinkles, with the pocket square folding neatly for that polished touch. Comfortable and event ready.
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Reviewed in the United States on April 14, 2026