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Mitsubishi EF-Series Silver 15k BTU Wall Mounted Unit - For Multi-Zone
Model:
MSZ-EF15NAS-U1
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Features
- Advanced Filtration System
- The M-Series indoor unit combines a hybrid catechin deodorizing filter with an enzyme-based filter for managing allergens. The anti-allergy filter not only captures the offending particles, it also breaks them down, cleaning the air as it is conditioned.
- Econo Cool Mode
- By slowly adjusting the cooling set point and swinging the horizontal vanes, the M-Series indoor unit can improve the efficiency of cooling operations without compromising the comfort provided.
- Dehumidification
- When the indoor unit is run in dry mode, it removes unwanted moisture in the air. This improves comfort and reduces the chance of mold growth and other property damage in the conditioned space.
- Smart Set
- Mitsubishi's Smart Set function allows you to save a cooling profile consisting of a temperature, a fan speed, and an airflow direction. The setting range for HEAT mode is 50 degrees Fahrenheit.
- Sleek Design
- With a depth of only 7.69 inches, you can fit this indoor unit just about anywhere on the wall. With the options of black, silver, or white, this sleek stylish design can match any home decor.
- Kumo Cloud Capability
- The Kumo Cloud App allows easy access and control with any smartphone or internet browser.
- Weekly Timer Operation
- Have your unit turn on and off as you please. The M-series units allow for four on or off timers per day and a maximum of 28 per week.
- Product Compatible With These Mitsubishi Outdoor Units
- MXZ-2C20NA, MXZ-3C24NA, MXZ-3C24NA2, MXZ-3C30NA2, MXZ-4C36NA, MXZ-4C36NA2, MXZ-5C42NA2, MXZ-8C48NA, MXZ-2C20NAHZ2, MXZ-3C24NAHZ2, MXZ-3C30NA2HZ2, MXZ-4C36NAHZ, MXZ-5C42NAHZ, MXZ-8C48NAHZ
- Line Set - This double insulated tubing transfers refrigerant efficiently between your outdoor condenser and indoor units.
- Drain Tubing - Drain tubing facilitates the reliable and effective removal of condensate from your system. It connects your indoor units to drain locations of your choosing.
- Connecting Wire - This durable, insulated wire provides power to your indoor units from your outdoor condenser.
This product requires a compatible outdoor condenser for functionality. For over 50 years, Mitsubishi has remained at the forefront of the mini split industry thanks to their dedication to providing efficient, user-friendly comfort solutions. The MSZ-EF15NAS-U1 is a wall mounted heat pump mini split indoor unit for use in multi-zone systems. This stylish slim design at a depth of only 7.69 inches, is paired with quiet operations that provide comfort without disrupting your space. Choose between 3 different colors to fit your home decor. With multiple operating modes, multiple fan speeds, and multiple airflow directions, this unit fits the needs of nearly any room.
Product Note
This product requires a compatible outdoor condenser and the following accessories for indoor unit installation:
Specifications
MSZ-EF15NAS-U1

General Information
Type
Wall Mounted
Product Line
M-Series
Operating Mode
Operating Mode
Some products are only capable of cooling, while others can either heat or cool a space. Some products heat via "heat pump" technology while others use electric heating elements. Learn More
Heating and Cooling
Multi-Zone Compatible
Yes
Refrigerant Type
R-410A
Remote Control
Wireless
Indoor Unit Size(s)
Indoor Unit Size(s)
Mini split systems can have one or more indoor units connected to a single outdoor unit. Indoor Unit Size(s) specifies what indoor unit sizes are used in a system. We have combined 6k and 7k indoor units to enhance searchability.
15
Installation Location
Indoor
Performance
Cooling BTU
15000
Cooling Capacity
15000 BTU
Moisture Removal
3.6 Pints/Hour
Maximum Air Flow
448 CFM
Minimum Air Flow
176 CFM
Minimum Sound Level
28 dB
Maximum Sound Level
Maximum Sound Level
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB. Learn More
48 dB
Dimensions
Gas Connection Size
1/2 Inch
Liquid Connection Size
1/4 Inch
Condensate Drain Size
5/8 Inch
Product Height
11 3/4 Inches
Product Width
34 13/16 Inches
Product Depth
7 11/16 Inches
Product Weight
26 Pounds
Shipping Height
14 1/4 Inches
Shipping Width
38 3/4 Inches
Shipping Depth
10 3/4 Inches
Shipping Weight
29 Pounds
Certifications
ETL Listed
Yes
Warranty Information
Parts Warranty
Parts Warranty
A warranty is a safeguard from defects in manufacturing and can vary in length and terms. Some manufacturers require registration for extended warranty benefits, be sure to check out features and the warranty document. To see the manufacturer's warranty statement, click on the Manuals tab. Learn More
5 Years
Reviews
(12)
Mitsubishi MSZ-EF15NAS-U1 Reviews & Ratings
Customer Rating
5.00
(12 Ratings)
5
(12)

4
(0)

3
(0)

2
(0)

1
(0)


very,very pleased with unit and installation . no complaints wha
By Lawrence D.
Pennsauken Township, New Jersey
Purchased 08/07/2020 |
Review Posted 09/02/2020
had no problems with purchase or installation. your company made it simple.
Lawrence D. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Very pleased with this unit
By John A
Ellijay, Georgia
Purchased 12/02/2018 |
Review Posted 12/29/2018
This product is great, very quiet and and maintains the temperature in a very large space!
Would highly recommend
Would highly recommend
John A Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Excellent unit you will not be disappointed
By Peter B
Astoria, New York
Purchased 10/15/2018 |
Review Posted 11/07/2018
Mitsubishi craftsmanship should be a standard all manufacturing companies should stand by. One of the best units on the market from start to finish. If you can afford this unit , go for it. If you can't afford this unit , save your money and then go for it. As far as eComfort sales goes, happy with the professionalism honesty and delivery. A pleasant company to deal with.
Peter B Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Like what I am seeing so far
By Eric D
WHEELING, West Virginia
Purchased 09/06/2018 |
Review Posted 10/25/2018
Went up great, easy enough for a handyman to do initial install. A/C contractor finished it up in short order. Only one complaint, this is mounted on a wood wall and I am getting a small amount of vibration noise from the coolant lines. Searching for ways to dampen that noise.
Eric D Recommends This
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Rating Breakdown
5/5
4/5
5/5
5/5
Pros:
Features, Easy To Use, I'd Buy It Again
Cons:
Vibration noise

GOOD EXPERIENCE
By Jim D
Ruskin, Florida
Purchased 08/30/2018 |
Review Posted 09/21/2018
I needed to find a top brand at a fair price ...eComfort to the rescue.
Thanks!
Thanks!
Jim D Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Cool at last
By Janet G
Colorado
Purchased 07/20/2018 |
Review Posted 09/03/2018
Buying such a complex system online is more than a little daunting, but eComfort came through with flying colors. The delivery was prompt, the system well packaged, the website was easy to navigate and accurate, and everything went very smoothly. The mini split is working exactly as advertised and we couldn't be more pleased.
Janet G Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

I like Mitsubishi products
By David B.
Raymond, Maine
Purchased 06/05/2018 |
Review Posted 07/07/2018
Very happy with this purchase
David B. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Heat PUMP
By James B.
Rhode Island
Purchased 05/08/2018 |
Review Posted 07/01/2018
Did most of the install myself , the detailed instructions made it pretty easy. Mitsubishi Installer did refridgerent lines.
Unbelievably Quiet , you have to stand outside next to the compressor unit to hear it running. The indoor unit makes far less noise than a nearby Refrigerator.
Unbelievably Quiet , you have to stand outside next to the compressor unit to hear it running. The indoor unit makes far less noise than a nearby Refrigerator.
James B. Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Mitsubishi mini split
By Randy L
Climax Springs, Missouri
Purchased 05/08/2018 |
Review Posted 06/23/2018
The unit was easy to install and works very well. It is very quiet and very efficient. I am very satisfied with this unit.
Randy L Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5

Mitsubishi M Series split
By Ron S
Goodyear, Arizona
Purchased 05/07/2018 |
Review Posted 06/21/2018
Could not be happier with this product. The unit is so quiet we had to make sure it was even on!
Ron S Recommends This
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Rating Breakdown
5/5
5/5
5/5
5/5
Product Q&A
(2)

Product Questions
Answered by Ken, the eComfort Product Expert
Is this wall mounted indoor unit able to function as a heater only without the outdoor unit?
Roger
from Arizona
October 25, 2016
Can this unit be used as a single zone application as well or does it have to be used in multi-zone applications only?
Cliff
from Illinois
June 28, 2016
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Mitsubishi EF-Series Silver 15k BTU Wall Mounted Unit - For Multi-Zone


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