Mitsubishi Mr. Slim Mini Split

July 21, 2010 by Shawn Mack  
Filed under Ask Thomas

Name:  Carol

Problem: I am pretty handy around the house and after getting several quotes from ductless installers. I will probably install the units myself. I was told that Panasonic is affiliated with the company that makes the Mr Slim units and they are the best. Is this true. Also, the Panasonic condensor that I priced has the old type freon. The discounted price is 2199 and supplies (2) inside units with free shipping and includes the installation kit.

Solution:  Mitsubishi makes the line of Mr. Slim air conditioners.  Panasonic is a pretty popular compressor for most mini split air conditioner lines, so there is a good chance that the system you are looking at has a Panasonic compressor.  If you are looking for a good deal on a dual mini split air conditioner with the new R410 refrigerant and an inverter compressor check out this unit:  AmericAire ACDE12HP220I.

This unit has a Sanyo inverter compressor and qualifies for a 30% tax credit.


33 Responses to “Mitsubishi Mr. Slim Mini Split”
  1. Taco Pumps, Taco Products Says:

    Good review on ductless air conditioning. Depending on the square footage of the zone, considering either a single or dual mini-split would seem to be good options.

  2. Todd Badgley Says:

    The Mr. Slim line of mini splits are manufactured by Mitsubishi in Japan. We make our own compressors and condensing units. Panasonic purchased Sanyo last year. There is no connection between Sanyo and Mitsubishi.

  3. Rich Says:

    This is for everyone with a “do it yourself” mentality…. You can’t do it yourself!! You are not EPA certified to install this equipment or handle refrigerant, and probably don’t own a vacume pump, but yeah you can do it yourself. And all those “deals” you think you are getting online are at least double what I pay. If you find a reputable hvac contractor, he should be more than happy to tell you the actual cost of material. I will end my rant on this note. Good luck finding ANY company that will honor any kind of warranty through online purchases through unauthorized dealers. I hope I’m not the only one fed up with weekend warriors that think they can do hvac.

  4. Peter Wohld Says:

    Regarding “Rich says” - I’ve had three licensed HVAC technicians look at my existing, ducted unit. Not one did a credible job of troubleshooting problems. They all did a cursory job, declared the unit dead, and then offered that they could install a new unit within a day at about $5000 cost. (And, it is my suspicion that one technician put “second-hand” Freon in the unit after fixing a leak. The bill just for the Freon (R22)charging was $505.)

    I want to try installing a ductless unit myself at this point. I am an advanced DIY person but not licensed and will have to seek a technician that will support evacuating the lines and indoor unit before starting the system up.

    Lastly, I have read that EPA allows non-licensed people to buy these ductless units. If that is incorrect I’ll find out soon.

  5. Shawn Says:

    Most ductless systems can be installed by an average homeowner. They should, however, be charged by a professional HVAC person. AmericAire has a 12,000 DIY that charges itself with a 25′ line set. Here is a link to the unit.

  6. Doug H. Says:

    In response to Rich Says: So, Rich, how much should I have to pay a contractor to install a mini-split?

  7. Richatmyexpense Says:

    Maybe HVAC companies are different in Rich’s area, but around here none will
    tell you what they pay for equipment. To do so would expose that they are charging you ~$450.00 per hour for the 3 newest guys on their crew to come out
    and spend all day on an “easy” install.
    Mention the word “load calculation” and half will take offense and leave, while the other half will claim to perform one but will never utilize a tape measure or even inquire what kind of insulation you have behind the drywall. I’ve found that handing them a printed page with measurements and R-values is the quickest way to get them off my property.
    The reason there are so many “weekend warriors” is because the majority of weekday warriors in HVAC would rather use EPA mandates to extort a victim vs.
    providing a service for a customer at reasonable cost like other fields without EPA meddling.

  8. Larry T Says:

    Most hvac techs are not doing a “complete” job most of the time. It is a very technical field with few REALLY well trained techs. The biggest reason for this is the hvac industry as a whole has very few business people running things ( mostly non business trained techs run things ) and the results are low priced services which turns into low pay for techs, office people etc..
    Yes, the hvac industry charges WAY less for comparable services than most
    other trades and the end result is poor quality work. Small (or no) profits require a/c companies to cut corners to try to make money. According to the government the average a/c in America is a 3 ton - 10 seer a/c system that on average operates like a 2 ton - 6 seer a/c system. 1/3 capacity loss and 40% efficiency loss with “normal” installation practices. This is the real world in the a/c business. We have a very hard time getting new people into the industry and the minority of companies that are doing things right are always fighting the price battle with the low ballers that do cut corners but tell the customer we do EVERYTHING right and those higher priced companies are just trying to rip you off. This is not the consumers fault it is the a/c industry’s fault. If the company makes little to no profit do you really think they will honor that warranty @ 10 pm on friday ? I know they say they will.
    The average a/c company in America has a 30 to 35% overhead according to lennox financial services which does the books for thousands of a/c companies (may be dated #’s). That means if they charge 35% above the cost of materials they would break even and make zero profit. The average a/c company charges $ 60 to 150 per hour for service work. Installations usually do not command that much per hour for labor. Most non union shops pay techs between $10 and $29 per hour, some with benefits and some without.
    The few companies making REALLY good money are usually doing a lot of volume. I could rant on forever but I hope you get the point. That Cheap upfront price will probably cost you MUCH more in operating costs than the money you saved on the installation.

  9. Cathy Says:

    Don’t try to get technical support they take 24 hours or better to returen your call

  10. Forfait mobile Says:

    The reason there are so many “weekend warriors” is because the majority of weekday warriors in HVAC would rather use EPA mandates to extort a victim vs.
    providing a service for a customer at reasonable cost like other fields without EPA meddling.

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  13. FranL Says:

    I’m in the market for a mini-split system, prob. Mitsubishi and so far I’ve gotten 3 quotes for a double or triple unit system (18+9+9) and I’m kinda blowen away by the pricing. Double unit (18+9) came in at $7900.00 and a triple (9+9+18) at about $8600. On the triple unit I would run my own power and outside disconnect to get that price. I too am an average (or maybe a little above) DIYer ( I installed my own 7K automatic backup genereator a few years ago - up to the point of hookin up the propane and initial startup). If I can buy a 3 unit setup on line for about $3800.00 and maybe another $6-700.00 for line sets, etc. - where does the additional $4000.00 come in???? For 2 guys for a day to a day and a half?? Come on!!
    This is not rocket science. I would not try to hook up the system or do the final check off and would be willing to pay some “competent” mechanic somewhere in the area of $100.00/hr. to do that.

    Any takers in the upstate NY (Albany-Sartoga) area????

    I respect what Rich (above) says but I also disagree with him. I think the problem is that too many people have an inflated idea of what they are capable of and really can screw things up royally. But if you’ve ever changed the brakes on a car, did a little wiring, studded up a few walls and installed a sink, faucett of toilet then you can probably tackle something like this.

    Give me a shout if you’re interested in the start up thing.


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  16. CEDUP Says:

    Mitsubishi Mr. Slim is the one to use. R410a doesn’t require license as far as I know. R22 and other obsoleted refrigerants do. BUT, R410A work at higher pressures, and needs R410a tools. There is a difference. Mr. Slim is PRECHARGED! Ya just need to evacuate with a vac pump before releasing the charge into the system. And they are pre charged for a max line set. If longer runs it will need additional R410a. Decades ago you could buy freon in a can when I was a kid, and do anything ya wanted to. R410a is not like R22 etc, the rules for R22 don’t all apply to R410a. Until they declare R410a bad in 30 years in order to sell you another type, after patents run out, usually then they say, we just found out how bad it really is, buy this new stuff. EPA then makes new rules, for your benefit and safety of course. Installing a split system is very straight forward, mine is flawless. also have good prices on Mr. Slim. no shipping fees! Comes on a nice skid all packaged well.

  17. CEDUP Says:

    I am no expert, I just pretend to know stuff. The more ya know, the more ya save. An educated consumer is a better deal maker. Ya can even buy R410a I do believe in the pink cans with no license, online you can also look up ALL the regs on EPA dealing with refrigerants etc. It’s out there, all ya gotta do is look. Like anything else big markups, especially when the end user doesn’t have the facts, but with today’s internet, the info it out there. ACWHOLESALERS.COM, IS a authorized dealer as far as I know.

  18. JC Says:

    Mr Consumer,
    In 30 years I have been doing HVAC I have met alot of do it yourselfers and people who are willing to spend 3 years salary on a car and dont want to spend few weeks worth on your heating and air system. Smart is not always saving a few bucks. In sacrifice, most of the time, the more you save, the more likely you are to be buying a pig in a poke.There is alot to hvac mr consumer that you do not know. Professional installs and a loyal service company are worth far more than your initial satisfaction upon getting the absolute best price because you can use a computer, or find a loophole to circumvent a licensed contractors bonafides. I suggest you stick to your chosen profession and spend a couple of bucks on the working man.

  19. GMG Says:

    The way I see it I have three HVAC companies in the St. Louis, Mo area who are trying to charge me upwards of $2500 in installation fees on a two zone system with two wall mounted 9K btu air handlers and a 20K btu heat pump system on a two story house. To me that seems totally outragious for a days worth of installation at the most.

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  21. DGS Says:

    I got quotes from professional hvac companys to install system 2 indoor units hooked up to one outdoor $8500-$9300. Materials cost $3750 job to take 6-7 hours that means labor charge of almost $1000 per hour,completly unreasonable (doctors don’t get that much)

  22. BF Says:

    Just ordered a Mitsubishi 18,000 btu split plus all the accessories including the switch box for $2,497.00. Free delivery.And will install it myself.This was after I was quoted a price of $5, install a 15,000 btu unit. After parts (at retail cost) that,s a total labor cost of $3,303.00+. Are you kidding me.I plan on calling a pro to perform the vacuum,leakage test,refrigerant and initial start up. If that quote comes in high,I just might take a course on how to install mini splits with my three thousand bucs and offer my services for free to other Diy’ers.

  23. Gerad Says:

    My wife andi havea 2004 mitrubishi. Ihad to buy anew engine, alternatore and I’m not wanting to get rid of the car since put so much into it. Now I have noticed that the air conditioning is coming on anon depending if I hit bumps I hit Is there somewhere on the web that I can follow to look for loose connections I really love my car and it helps a lot since I have becae a new father. Please help.

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  25. Crooked Ad Watch Says:

    Be careful with the “EPA Certified” claims, it can border on Fraudulent advertising.
    “HVAC Contractor Credentialing for ENERGY STAR
    “contractors who hold EPA-RECOGNIZED credentials”"
    ANY contractor who claims to be “Certified BY the EPA” is a Liar and possibly a crook. Fanboys who troll comments touting the same are either ignorant or selling something. The Federal Government doesn’t “CERTIFY” anyone, they make rules or guidelines that may be included in testing and certification on a State or Local level. America, thank goodness, doesn’t have Federalized / Nationalized businesses, that regulation is left up to the several States. Companies claiming that this or that Federal Government Agency have Approved or Certified their companies or their products is an old sales gimmick that the Feds and FTC has been fighting for decades. Besides all this, even the most credentialed, awarded contractor can botch a job, just search the web for complaints.
    The HVAC industry trade groups are paid big money to get consumers to believe it is Rocket Science, but it’s the same tech as 50 years ago, with different components and chemicals.
    If a High School can teach some snot nose kid how to service an often much more complicated auto A/C, then a skilled homeowner can certainly DIY at least most of a home unit.

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  27. gothicave Says:

    i just finished installing two of these. a FH15000 and a FH12000 unit from mitsubishi. i bought the 60991 tool kit from yellow jacket and borrowed the micron gauge, vacuum pump and nitrogen. i pressure tested with nitrogen for 24 hours on both, evacuated to less than 300 microns (for an hour) and then released the refrigerant. they seem to be working fine. the most important part for the first timer (like me) is to be very careful with the linesets - you don’t want any kinks- and take time making and practicing your flares (and use nylog sealant). also, if you plan on removing the valve core before evacuating then practice removing and installing them while the system is pressurised with nitrogen. it was fun!

  28. Anthony Vitucci Says:

    Do the manufacturers honor the parts warranty? I know that it would be unlikely that a local hvac company would do the warranty service……but if I did the troubleshooting and identified and returned the part…would the manufacturer honor the warranty?

  29. Grease Monkey Says:

    Some pretty interesting conversation here. I did my own mini split and here is why. I tried for around 5 month to get a contractor to give me a bid on a complete install. Finally, after calling several, one “found the time” to look at what I wanted and after another 2 month gave me his bid. (HVAC contractors must be either the busiest or most independent people on earth.) His bid surprisingly wasn’t to bad so I figured just to have a full warranty on the equipment I would have him do it. Then I couldn’t get him to commit on when he could do it. By this time I was fed up with contractors.Plus I am very picky and it made me pretty nervous having someone put a big hole through the wall of my house. I am a licensed mobile AC tech and AC is AC right. I have pumps and gauges and scales and can get the R410a on line. You can learn about anything on YouTube so I started watching them and reading on the net. Sounded pretty doable. So I bought a unit online and installed it myself. Everything went just fine. It cost about half what the contractors bid was. And I saved more than enough to buy another complete unit if this one doesn’t make it through the warranty period. I wouldn’t say it’s a job everyone should tackle, but if you have reasonable skills and are in to the DYI stuff, I say go for it.

  30. MaggieMaghreb Says:

    I had a Mitsubishi Mr. Slim Ductless Split system [12,000 BTU’s] installed about 16 years ago. The unit [with all materials] was $1,470 and the certified HVAC guy charged $900 in labor. Well, since then these little units have become very popular. So, yes, they gauge the crap out of us consumers. I was just quoted for a 25,000 BTU system $6,500-$7,500 and another $2,500 for a 2nd unit on the same condenser. I am living proof that these newer prices are highway robbery! I have recently checked with AC Wholesalers and the units have not increased in price: a 12,000 BTU split system is $1,274 for 18 SEER and $1,560 for 23.1 SEER. Two 18,000 BTU units + 1 condenser is $2,800. So, the labor cost upwards of $5,000+ is outrageous. Note that maybe they have increased a tad if my installer 16 years ago marked up my unit. However, at $1,470 for all materials leads me to believe the mark-up was not more than a few hundred bucks. Due to these insane labor costs I was thinking of installing one myself too. And after reading all these comments I may just give it a shot!

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