A man and a woman standing in front of a house.
CLOSE

Request a Service in Just One Step

Tell us what you need, and we’ll take care of the rest!

Need Immediate Help?
If you're dealing with an emergency and want to minimize disruption, feel free to skip the form and call us directly at (508) 965-0046. We're here to help!

Text our displayed number or click the bottom right chat to talk with our agents now!
Text Message Us
Mon - Fri: 8am - 5pm
(508) 965-0046

MUZ-FS18NAH-U1

Mitusbishi 18K BTU Hyper Heat MUZ-FS18NAH-U1

MUZ-FS18NAH-U1 Mitsubishi 18,000 BTU Hyper Heat Single-Zone Mini Split Outdoor Unit With Base Pan Heater

When choosing an HVAC system, you want a solution that delivers efficient, dependable comfort all year round, and Mitsubishi Outdoor stands out as a trusted option. This heat pump system is designed to both heat and cool your home seamlessly, providing quiet operation and energy-savvy performance that responds to seasonal challenges—whether you're trying to beat the summer heat or keep warm during chillier months. Homeowners often ask, "Will my new system reduce energy bills while ensuring comfort?" With Mitsubishi's proven technology and reputation for durability, you can enjoy peace of mind knowing that every part of your home’s climate control is taken care of with state-of-the-art efficiency and reliability.

Mitsubishi 18,000 BTU Hyper Heat Mini Split – Powerful, Efficient Comfort for Your Home  

Looking for reliable heating and cooling for a single room or living space? The Mitsubishi 18,000 BTU Hyper Heat Mini Split (model MUZ-FS18NAH-U1) is an energy-efficient, all-season solution designed for maximum comfort and performance. This outdoor unit pairs with a Mitsubishi indoor head to provide precise temperature control, making it perfect for bedrooms, living rooms, basements, and more.  

Why Choose the Mitsubishi Hyper Heat Mini Split?  

  • Outstanding Heating Power, Even in Freezing Temperatures – With Mitsubishi's Hyper Heat technology, this system delivers reliable warmth even when outdoor temperatures drop as low as -13°F. Ideal for colder climates, it ensures you stay comfortable year-round.  
  • Energy Efficiency That Saves You Money – This unit is engineered for high efficiency, helping homeowners lower energy bills while reducing their environmental impact. It offers exceptional performance with its variable-speed inverter technology, adjusting to provide just the right amount of heating or cooling.  
  • Whisper-Quiet Operation – Unlike traditional HVAC systems, Mitsubishi mini splits run extremely quietly, so you can enjoy a peaceful home environment without disruptive noise.  
  • Advanced Filtration for Cleaner Air – Mitsubishi mini splits feature advanced filtration to capture allergens, dust, and airborne particles, improving indoor air quality for a healthier living space.  
  • Built-In Base Pan Heater – The integrated base pan heater prevents ice buildup in cold climates, ensuring smooth operation even in extreme winter conditions.  

A Smarter, More Comfortable Home  

By choosing the Mitsubishi 18,000 BTU Hyper Heat Mini Split, you’re investing in a heating and cooling system that offers superior efficiency, strong heating performance in cold weather, and whisper-quiet operation. Whether you're looking to improve comfort in a specific room or upgrade your home's efficiency, this system delivers reliable, cost-effective climate control tailored to your needs.

Explore More Available HVAC Units – Find the Perfect Fit for Your Home

Join Our Team – Even If You Don’t See Your Role

We’re always on the lookout for great talent. If you’re ready to make an impact, send us your application!

APPLY NOW
Mass Save Concierge on Rebates and Financing
A woman in a striped shirt is smiling and holding onto a Summertime Comfort Club sign.
Connect with us

We're Your Guide to Rebates and Financing

Embark on your MassSave journey with us by your side. Our expertise ensures you maximize your rebates and financing options, turning complex processes into simple steps.

A woman is sitting on a couch and doing a yoga pose.
<script type="application/ld+json"> { "@context": "https://schema.org/", "@type": "Product", "name": "Mitusbishi 18K BTU Hyper Heat MUZ-FS18NAH-U1", "sku": "MUZ-FS18NAH-U1", "brand": { "@type": "Brand", "name": "Mitsubishi Electric" }, "description": "MUZ-FS18NAH-U1 Mitsubishi 18,000 BTU Hyper Heat Single-Zone Mini Split Outdoor Unit With Base Pan Heater", "image": "https://cdn.prod.website-files.com/66aa3764e483167bc1619ebc/67a3d0d0525eec5764d33625_415c6c17-2025-42f6-87d0-a83e5a2112c8.png", "url": "https://www.sumzero.com/heating-and-air-conditioning-units/sumzero-hvac-heat-pump-mitsubishi-muz-fs18nah-u1-mitmuzfs18nahu1", "offers": { "@type": "Offer", "url": "https://www.sumzero.com/heating-and-air-conditioning-units/sumzero-hvac-heat-pump-mitsubishi-muz-fs18nah-u1-mitmuzfs18nahu1", "priceSpecification": { "@type": "PriceSpecification", "price": "0.00", "priceCurrency": "USD" }, "availability": "https://schema.org/InStock", "itemCondition": "https://schema.org/NewCondition", "seller": { "@type": "Organization", "name": "SumZero Energy Systems" } }, "additionalProperty": [ { "@type": "PropertyValue", "name": "Tags", "value": "Heating, Cooling, Hyper-Heat, Efficiency, Inverter" }, { "@type": "PropertyValue", "name": "Item Type", "value": "Heat Pump Outdoor Unit" }, { "@type": "PropertyValue", "name": "Category", "value": "HVAC" } ] } </script>