Ductless Learning Center
- Sizing Calculator
- How Ductless Air Conditioners Work
- Introduction to Mitsubishi Ductless technology
- Frequently Asked Questions
- Mitsubishi Advanced Air Filtration
- System Operating Costs
- Orlando Air Conditioning Utility Rebate
- Award Winning Earth Friendly Design
- Mitsubishi Hyper-Heat Technology
- Complete Warranty Statement
- How is the Commercial P series different?
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407-951-8908 and our Personal Advisors will assist with your order.
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Introducing the industry-leading STAR LINEUP
A breakthrough in pure comfort
- Mitsubishi offers more ENERGY STAR systems than ever.
- ESystems incorporate eco-comfort technology, triple-allergen filtration, and whisper-quiet operation.
- New technology revolutionizes the heat pump.
- Space-saving design means easy and unobtrusive installation.
Mitsubishi offers more ENERGY STAR systems than ever, and is the industry leader.
Mitsubishi Electric has 15 new Energy Star rated ductless systems with dramatic increases all the way up to 26 SEER ( Operates for as little as .04 cents an hour! That's just $48.00 per season).
Mitsubishi ductless air conditioners and heat pumps incorporate eco-comfort technology, triple-allergen filtration, and are whisper-quiet.
Eco-comfort technology makes these systems smarter in how they use energy and minimizes their impact on the environment. Plus there are many advanced features like the i-see™ Sensor, that automatically detects room temperature differences and adjusts for greater comfort. And Mitsubishi's triple filtration system dramatically reduces allergens.
Other updates to the line include a sleeker, lighter color finish and front access to the terminal block plus now there are new controls with a Smart Set button for ultimate comfort. And now the indoor units operate starting at a19dB(A). That sound is even quieter than a human whisper.
New technology revolutionizes the heat pump.
Unlike older, inefficient heat pumps, there is no cold air delivery with these systems. Larger coils heat faster, and the Hot Start system doesn't activate the fan until the desired temperature is reached so it never blows cold air. What's more, select Mitsubishi models use Hyper-Heating INVERTER (H2i®) technology that operates effectively down to -13º F. With this improvement these models give true year-round comfort from a single system.
These ductless air conditioners and heat pumps provide easy installation, simple service and longer warranties.
Mitsubishi Electric's units are easy to install with no ductwork. They're also designed for easy servicing although with their industry-leading reliability record, you won't have to worry much about that. Better yet, they've extended the warranties to seven years on compressors and five years on parts.
Select the Right Capacity
This handy sizing calculator will help you select the right system on an efficient room-by-room basis. Always take in to account your climate, insulation, excessive glass and other relevant factors. Rooms with conditioned space above them require less cooling than rooms upstairs that have attic space above them. Always adjust for poor insulation, excessive or drafty windows, etc.
For rooms below an air conditioned space, apply an additional .7 factor to your final Btu outcome.
For example, if your Btu requirement via this calculator is 18,000 Btu's: 18,000 Btu's x .7 factor = 12,600 Btu's required. When in doubt, it is okay to go up a size or two. Unlike standard non-variable systems, The Mitsubishi INVERTER technology allows the system to adjust to the actual room requirements in both heating and cooling.
The Mitsubishi system will provide as little as 30% of its rated capacity when the demand is low so oversizing is no longer an issue. With standard central air conditioning and heating systems, you must carefully match the air delivery with the room requirements.
Ordinary central air conditioning systems are normally sized based on an outdoor temperature of 93 degrees fairenheit. When the outdoor temperature exceeds 93 degrees, the system struggles to keep up. When the temperature is significantly lower, the system can short-cycle, meaning it cools quickly without the proper run time for thorough dehumidification. Either way, this is a significant short-coming of non-variable-capacity central systems.
The advanced INVERTER-driven compressor at the heart of the Mitsubishi ductless air conditioners and heaters provides variable capacity control for the compressor, slowing the system to adjust to the specific room-by-room demands of the interior space as needed - not the hard start and stop of a traditional system in most homes. Call our Personal Advisors toll-free at
407-951-8908 with questions
How to Choose the Right System
Our Home Solutions Advisor tool can help you find options for your home. Once there, select your type of home, the number of rooms you would like to cool or heat and the desired energy efficiency performance. The Advisor tool will suggest ductless air conditioning and heating solutions for your need that you can provide to your AC4Life Personal Advisor for review.
How Ductless Air Conditioners Work
Easy Installation
Easy installation with no disorder or disruption to your life.
- Installing A Mitsubishi Ductless Air Conditioner system is easy
- Different indoor unit style options are available to meet any need
- The outdoor units, which have a small footprint and can be hidden by foliage, complete the system.
Typical installation
One of the great features of the Mitsubishi Ductless system is its ease of installation. A qualified contractor can usually install it in about a day. There is little to no ductwork required so you don't have to worry about a disorder in your home interrupting your life or costly remodeling expenses. The sleek, ductless indoor unit mounts discreetly within the space, and a pair of small refrigerant lines plus power and control wiring, connect it to the outdoor unit through a small three-inch opening in the wall.
Different styles of indoor units
Ducted style. When a ducted model is selected as the indoor unit that best fits your need, it can easily be installed either in the ceiling or beneath the floor in a crawl space or basement. This style accommodates the use of short duct runs and registers to deliver and return air from the interior space, back to the unit.
Wall-mounted style. A wall-mounted ductless unit mounts high on a wall and is unobtrusive to the visual area within a room. The wall unit models are a neutral white in color and have features that enhance their functions within the space.
Floor-mounted style. The floor-mounted ductless model attaches to the wall six inches above the floor in areas where there is minimal or no wall space.
Ceiling Recessed Cassette Style. When installed, the flush-mounted grille is all you see. With its fresh air intake capability and four-way discharge airflow, the PL series ceiling cassette gives you plenty of fresh, comfortable air.
Outdoor units complete the Mitsubishi ductless air conditioning and heat pump system. The outdoor units for each of the systems have a small physical footprint to take up as little space outside your home as possible and can be hidden by foliage.
Ready to buy? Click here.
Orlando Air Conditioning Utility Rebates
If you've participated in a free Home Energy Check and received a recommendation for a new heat pump, you can receive as much as a $350 incentive
Orlando Utilities CommisionOUC can also give you specific tips on conserving electricity and offer details on the OUC customer rebate programs(single-family homes only)
FPLCheck out FPL's guidelines to help you determine whether you need to replace your air conditioning and heating system and how much you can qualify in rebates
Frequently Asked Questions
Tips for Sizing:
Product Related:
- How does Mr. Slim work?
- How does Mr. Slim ductless system differ from a window unit?
- Why is Mr. Slim so popular worldwide?
- What is the history of split-ductless?
- Why should I consider buying Mr. Slim?
- How reliable is Mr. Slim?
- Can Mr. Slim air-condition my whole house?
- How efficient is Mr. Slim?
- What is a "hot spot" and "cold spot"?
- Does Mr. Slim filter and clean the air?
- Does Mr. Slim help take care of humidity in my home?
- How do the multi-zone systems work?
- How big is the indoor unit?
- How big is the outdoor unit?
- Does Mr. Slim provide heating and cooling?
- How does the remote controller work?
Installation & Application:
- Why do you need a three-inch hole in the wall?
- What square footages will Mr. Slim cover?
- How is the Mr. Slim M-series system mounted?
- Can I mount the M-series wall mounted indoor unit vertically?
- I have high ceilings. Will this effect Mr. Slim's performance?
- What are the basic electrical requirements for Mr. Slim?
- Do you have a way to hide the refrigerant connection lines?
The Heat is On - Mitsubishi Hyper-Heat Technology
Award Winning Earth Friendly Design
Eco-comfort Technology Integrated into Every System
Our eco-comfort technology is friendly to you and the planet.
- Industry-leading eco-comfort technology is built into every system.
- We care about our environment, and our products reflect that concern.
- Our products won the coveted 2009 GREEN PRODUCT award.
- Eco-friendly refrigerant: Environmentally friendly R410A refrigerant offers zero Ozone Depletion Potential (ODP) and allows for higher heat transfer coefficient (COP). This innovative feature means a reduction in equipment size, a reduction in piping size, and higher pressure for greater performance. Smaller equipment also means less impact on the environment at the end of the product's life cycle.
- Standard compliance: All Mitsubishi Electric HVAC products follow standards and guidelines as set forth by the ENERGY STAR, EPA, ARI, UL, ASHRAE, ETL, and ISO.
- Recycling design: Our air conditioners are specially designed to allow for easy cleaning, efficient disassembly, and more practical recycling. The number of parts used in indoor units has been reduced by adopting modular components, a process which also simplifies materials separation for recycling. To date as much as 84 percent of the materials used to build a Mr. Slim system is recyclable.
- Smart energy usage: Mitsubishi Electric INVERTER zoning systems smartly deliver only the amount of capacity needed, unlike a typical full-power ON system. Individual indoor air handlers are installed within the zone. These air handlers measure the load for that specific zone and for added efficiency deliver only the capacity needed directly to the space compared to energy lost in long duct runs.
If the zone is not being used, you do not have to condition the space. Smarter sensing technology and microprocessors enhance the system's ability to measure room temperature accurately for added comfort, performance and efficiency. - Minimal impact on landfills: All air-conditioning products use long-life washable filters.
More than a tag line, it is a philosophy
Because our systems help you reduce your energy consumption in your home, you are doing your part to leave less of a footprint on the environment, all while saving money on your energy bill.
Mitsubishi Electric has embraced the Environmental Vision 2021 initiative, which sets dramatic goals for reducing greenhouse gas emissions (for example: reducing Carbon Dioxide emissions from product usage by 30%), recycling resources, and raising environmental awareness by 2021.
Industry awards
In 2009 Mitsubishi Electric was given the GREEN PRODUCT award by the industry leading publication Building Products Magazine . We were one of only 16 products to receive this award for energy efficiency, resource efficiency, and health and comfort.
We even promote sustainability through our distributor network by offering training classes that instruct participants on the proper methods of installing systems and handling and recovering refrigerants. The company provides increased warranties for contractors who complete commissioning reports that confirm proper system installations.
System Operational Costs
We all know what air conditioners can cost to operate but forget everything you know and consider the penny: That's right the penny. Because as few as 4 of them will get you one hour of comfort with the newest Mitsubishi Ductless Split System. That means you can bask in 100 hours of comfort for as little as $4.00
That's just .04 cents per hour!
That means the energy required to provide the comfort you deserve is more affordable than ever .
Imagine never having to worry about high power bills again; just dial in a comfortable setting and walk away. In fact, with SEER ratings of up to 26.0, the Mitsubishi Mr. Slim ductless air conditioner is one the most efficient and cost-effective systems you can buy . Mitsubishi engineers designed these systems to provide peace of mind from both a comfort and energy standpoint.
Mitsubishi Electric ductless cooling and heating systems are dramatically more efficient than traditional central systems. Utilizing compressors that automatically adjust to the changing environment of the space they are installed in allows the system to use only the energy that is needed.
*Operating cost estimates based on a nationwide average of .12 cents per KW of energy usage, using a 9000 BTU, 26 SEER model. Your actual costs may vary.
Here's how to determine the hourly energy usage cost of your selected system.
Locate your utility bill and look for the "Kw/hr cost. This will be expressed as cents per hour of kilowatt hour consumption. Locate this cost per Kw/hr on your bill. Use the chart below to determine your hourly cost based on the selected capacity and your local energy costs (Cents per Kw hour.
*National Average
The graph above is comparing the various hourly operating costs in cents. To the left is the Btu rating (1) with an assigned seer rating next to it. Across the top (2) are the various local costs per hour of your electricity. The 9,000/26 model is 9,000 Btu's with a SEER rating of 26. To the right are the different hourly operating costs for that model. The cost per hour of .014 means that 9000 Btu 26 SEER system costs 1.4 cents per hour to operate. If you see .04 that means 4 cents per hour.
Translated to English, this means that if the hourly cost of operation of a 12,000 Btu system is .07, or 7 cents per hour and you ran it 10 hours a day for 30 days, your total utility cost for the entire month would be just $21.00. Compare that to an average 12 year old, 8 SEER, 3 ton central system that consumes 55 cents per hour and the same 10 hours a day for 30 days would cost $165.00 for the month.
That's 785% (almost 8 times) more to operate the inefficient 3 ton system. Granted, the capacity of the 3 ton is about 3 times of our example system but you can see where energy savings lay - In the Seer rating.
Three of our 12,000 Btu systems would equal the capacity of the older 3 ton central system and would cost just $63.00 a month to operate, using 62% less energy.
Complete Warranty Statement
LIMITED WARRANTY
Mitsubishi Electric Mr. Slim® Split Air-conditioner and Heat-pump Systems
MEUS warrants as follows to the original owner of this Mr. Slim product that, if purchased from and installed by a contractor licensed for HVAC installation under applicable local and state laws within the continental United States, Alaska, and Hawaii, should it prove defective by reason of defects arising from improper workmanship and/or material:
A. FIVE YEAR ON PARTS.
The parts are warranted for a period of five (5) years to the original end-user of this System. If it should prove defective due to improper workmanship and/or material for a period of five (5) years from the date of installation, MEUS will replace any defective part without charge for the part. Replacement parts are warranted for the remainder of the original five-year warranty period. Parts used for replacement may be of like kind and quality and may be new or remanufactured. Defective parts must be made available to MEUS in exchange for the replacement part and become the property of MEUS.
B. ADDITIONAL TWO-YEAR COMPRESSOR WARRANTY. The compressor is warranted for a total period of seven (7) years to the original end-user of this System. If it should prove defective due to improper workmanship and/or material for a period of seven (7) years from the date of installation, MEUS will replace any defective compressor without charge for the compressor. Replacement compressors are warranted for the remainder of this warranty period. Compressors used for replacement may be of like kind and quality and may be new or remanufactured. Defective compressors must be made available to MEUS in exchange for the replacement compressor and become the property of MEUS.
C. NO LABOR. THESE LIMITED WARRANTIES DO NOT INCLUDE LABOR or any other costs incurred for service, maintenance, repair, removing, replacing, installing, complying with local building and electric codes, shipping or handling, or replacement of the System, compressors, or any other parts. For items that are designed to be maintained or replaced by the owner, the owner is solely responsible for all labor and other costs of maintaining, installing, replacing, disconnecting, or dismantling the System and parts (such as filters or belts) in connection with owner-required maintenance. Air filter cleaning and/or replacement for each applicable indoor unit are owner-required maintenance, and labor for this procedure is not covered under warranty. Please consult the applicable technical documentation for air filter cleaning and other maintenance procedures.
D. Proper Installation. This Limited Warranty applies only to Systems that are installed by contractors who are licensed for HVAC installation under applicable local and state law and who install the Systems in accordance with (i) all applicable building codes and permits; (ii) MEUS's installation and operation instructions; and (iii) good trade practices.
BEFORE REQUESTING SERVICE, please review the applicable technical documentation to insure proper installation and correct customer control adjustment for the System. If the problem persists, please arrange for warranty service.
1. TO OBTAIN WARRANTY PARTS SERVICE
(a) Contact the licensed contractor who installed the System or the nearest licensed contractor, dealer, or distributor (whose name and address may be obtained on our website at www.mehvac.com) of any defect within the applicable warranty time period.
(b) Proof of the installation date by a licensed contractor is required when requesting warranty service. Present the sales receipt, building permit, or other document which establishes proof and date of installation. Otherwise this Limited Warranty shall be deemed to begin one hundred twenty (120) days after the date of manufacture stamped on the System. THE RETURN OF THE OWNER REGISTRATION CARD IS NOT A CONDITION OF COVERAGE UNDER THIS LIMITED WARRANTY. However, please return the Owner Registration Card so that MEUS can contact you if a question of safety arises.
(c) This Limited Warranty applies only while the System remains at the site of the original installation and only to locations within the continental United States, Alaska, and Hawaii.
2. THIS LIMITED WARRANTY DOES NOT COVER: property damages, malfunction, or failure of the System or personal injury caused by or resulting from: (a) accident, abuse, negligence, or misuse; (b) operating the System in a corrosive or wet environment containing chlorine, fluorine, or any other hazardous chemicals; (c) installation, alteration, repair, or service by anyone other than a licensed contractor or other than pursuant to the manufacturer's instructions; (d) improper matching of System components; (e) improper sizing of the System; (f) improper or deferred maintenance contrary to the manufacturer's instructions; (g) physical abuse to or misuse of the System (including failure to perform any maintenance as described in the Operation Manual such as air filter cleaning or any System damaged by excessive physical or electrical stress); (h) Systems that have had a serial number or any part thereof altered, defaced, or removed; (i) System used in any manner contrary to the Operation Manual ; (j) freight damage; or (k) damage caused by force majeure or other factors such as power surge damage caused by lightning and fluctuations in or interruptions of electrical power.
3. THIS LIMITED WARRANTY ALSO EXCLUDES: (a) SERVICE CALLS WHERE NO DEFECT IN THE SYSTEM COVERED UNDER THIS WARRANTY IS FOUND; (b) System installation or setups; (c) adjustments of user controls; or (d) Systems purchased or installed outside the continental United States, Alaska, and Hawaii. Consult the operating instructions for information regarding user controls.
4.This Limited Warranty shall not be enlarged, extended, or affected by, and no obligation or liability shall arise or grow out of MEUS providing - directly or indirectly - any technical advice, information, and/or service to Owner in connection with the System.
5. EXCEPT AS OTHERWISE PROVIDED IN THIS LIMITED WARRANTY, MEUS MAKES NO OTHER WARRANTIES OF ANY KIND WHATSOEVER REGARDING THE SYSTEM. MEUS DISCLAIMS AND EXCLUDES ALL WARRANTIES NOT EXPRESSLY PROVIDED HEREIN AND ALL REMEDIES WHICH, BUT FOR THIS PROVISION, MIGHT ARISE BY IMPLICATION OR OPERATION OF LAW, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND OF FITNESS FOR ANY PARTICULAR PURPOSE. NO ONE IS AUTHORIZED TO CHANGE THIS LIMITED WARRANTY IN ANY RESPECT OR TO CREATE ANY OTHER OBLIGATION OR LIABILITY FOR MEUS IN CONNECTION WITH THE SYSTEM. MEUS DISCLAIMS ALL LIABILITY FOR THE ACTS, OMISSIONS, AND CONDUCT OF ALL THIRD PARTIES (including, without limitation, the installing contractor) IN CONNECTION WITH OR RELATED TO THE SYSTEM.
6. UNDER NO CIRCUMSTANCES SHALL MEUS BE LIABLE FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES INCLUDING, WITHOUT LIMITATION, LOST GOODWILL, LOST REVENUES OR PROFITS, WORK STOPPAGE, SYSTEM FAILURE, IMPAIRMENT OF OTHER GOODS, COSTS OF REMOVAL AND REINSTALLATION OF THE SYSTEM, LOSS OF USE, INJURY TO PERSONS OR PROPERTY ARISING OUT OR RELATED TO THE SYSTEM WHETHER BASED ON BREACH OF WARRANTY, BREACH OF CONTRACT, TORT OR OTHERWISE EVEN IF MEUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. IN NO EVENT SHALL MEUS'S LIABILITY EXCEED THE ACTUAL PURCHASE PRICE OF THE SYSTEM WITH RESPECT TO WHICH ANY CLAIM IS MADE.
7. Some states do not allow limitations on warranties or exclusions or limitation of damages so the above limitations or exclusions may not apply.
8. This Limited Warranty gives the owner specific legal rights, and the owner may also have other rights that vary from state to state.
9. This Limited Warranty is valid only in the continental United States, Alaska, and Hawaii, and it is not transferable.
MITSUBISHI ELECTRIC & ELECTRONICS USA, INC., HVAC Advanced Products Division
3400 Lawrenceville-Suwanee Road, Suwanee, GA 30024-9928
Revised June 2010
Mitsubishi Advanced Air Filtration
Allergen Filtration
Mitsubishi ductless systems feature allergen filtration for cleaner, healthier air.
- Multi-part filtration removes contaminants
- Anti-allergen filter provides pristine air
- Easy-to-clean filters last up to 10 years
It's a fact that surprises many people. The air quality inside your home is often worse than the air quality outside. Mitsubishi cooling and heating systems use a sophisticated multi-part filter system to remove contaminants such as allergens, viruses, and bacteria from the air as they circulate within a room.
Mitsubishi's ductless air conditioners and heat pumps feature one of the most sophisticated and effective filtration and disinfection systems available anywhere, all at no extra cost. The hybrid catechin filter absorbs odor-causing gases. A blue-enzyme, anti-allergen filter reduces germs, bacteria, and viruses and helps trap dust, pollens, mites, and other particles that plague allergy sufferers. As a result you enjoy pristine air 24/7.
Ready to buy? Click here
Easy Maintenance
Although the filtration system is sophisticated, it's easy to clean and maintain. You can perform this task in a matter of minutes.
Simply open the indoor unit's filter access; slide the screens out; wash them off; allow them to dry completely, and then slide them back into the unit.
And with regular cleaning, these filters can last up to 10 years. This capability not only saves money, but is also good for the environment.
How is the Commercial P series different?
The Mitsubishi P Series commercial heating and cooling systems are different from competitive systems in that they are designed for dedicated commercial and industrial applications. Here is a list of the features that make them different from residential lines:
Installation, Service, and Maintenance Ease
Mitsubishi P-series commercial outdoor units are designed with easy service and maintenance in mind. Maintenance points are located behind easy-access panels to make installation and service effortless for a trained technician. Four-way piping access allows connections in four directions: front, rear, right and bottom (all PUY/PUZ models)
Redi-charged Systems
Mitsubishi commercial P-series outdoor units come with enough refrigerant to be installed 70 feet (100 feet on 3.5 ton models) from the indoor units. Linesets can be run up to 165 feet from outdoor units when additional charge is added.
Hot-Start System
Heat pump systems use hot-start technology to provide warmth from the beginning by ramping up fan speed as the coil warms. When you want warm air without annoying drafts, that's what you'll get.
Low Ambient Operation
The ability of these units to operate effectively in low temperatures, along with the addition of a low-ambient wind baffle accessory, allows for a space to be air conditioned even when it is as low as 0 degrees F outside. This cooling ability is important when dealing with electronic equipment rooms, telecom substations, surveillance mechanical rooms, restaurant kitchens, fitness centers and more.
Auto Fan Speed Feature
(Excludes PEA model)
Choose from multiple set fan speeds or auto fan speed to ensure faster achievement of room temperature. Auto fan speed mode allows the fan to adjust its speed based on the degree of differential between set-point and room temperature.
Bring in Outside Air
Ducting can be installed with minimal on-site work to bring in outside air for all but wall mounted indoor units, creating a healthier indoor environment.
