MR COOL DIY 4TH Generation 18K BTU Garage Install

Not only for the Cold, but also the Heat!
Florida heat and humidity can quickly cut projects short, and so far, with this system, I couldn’t be any more happier. I tried to cover everything in this video, all the way from the concrete slab, to electrical (Make sure you consult with an certified electrician before tackling this project). Also, I probably could've gotten a shorter Lineset, so make sure measure out what you actually need.
This is an easy DIY System, but the rain got the best of me on this one. I was able to work around it, but definitely plan ahead.
Tools I Highly Recommend :
Spyder 600038 Rapid Core Eject Hole Saw, 3.5-Inch
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Spyder Rapid Core Eject Arbor
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Drill Bit adjustable Collars
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Concrete Edger
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Concrete Finishing Trowel
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Dewalt 20v Max Cordless Drill
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90 Degree Angle Clamp (Home Depot)
bit.ly/3S62R9k
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Shop - www.raiderworldselect.com
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Music by - Epidemic Sound www.epidemicsound.com
As a disclaimer, I am not a Certified AC Installer or Certified Electrician. I’m just someone, like most of you watching these videos, who likes to wrench in their own garage or shop. As an Amazon Associate, I earn from qualifying purchases at no extra cost to you. Any Amazon Links you click below and complete a purchase, I receive a small commission. This helps me to buy more parts or tools needed to install and review on this channel.
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TOOLS:
Milwaukee Hole Saw Kit
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BOJO Composite Grommet and Pry Tool kit 4 pc in a Pouch
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Pass-Thru Socket and Ratchet Set
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TEKTON 91804 Quick-Release 1/4, 3/8, 1/2 Inch Drive Swivel Head Ratchet Set
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Loctite Heavy Duty Threadlocker- Blue (This is a no brainer)
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Powerbuilt Vinyl Protector Pad Mat (Protect your Parts)
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Husky Magnetic Bowl (Don’t lose your bolts)
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OEMTOOLS Tool Cart
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Center Punch
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GOPRO SET UP:
Drone DJI Air 2-S Fly More Combo
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GoPro Hero 10 Black
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GoPro Hero 8 Black
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GoPro Hero 7 Black
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Gobe NDX 52mm Variable ND Lens Filter
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ULANZI G9-5 Housing Case for Gopro Hero 10 9, Aluminum Video Cage (NEWER VERSION)
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Rode SC3 3.5mm TRRS to TRS Cable Adaptor for smartLav Microphone amzn.to/3wkX9bY
Rode SmartLav+ Omnidirectional Lavalier Microphone
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GoPro Pro 3.5mm Mic Adapter (Official GoPro Accessory)
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Camera Battery Storage Bag, Battery Holder Case for GoPro
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Purple Panda Lavalier Lapel Microphone Kit
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Sandisk 128GB Ultra Micro SDXC Memory Card
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GoPro Suction Cup (Official GoPro Accessory)
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Neewer Camera Lens Filter Kit for GoPro
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SHOP LIGHTS, STANDS, HANDHELD, and AUDIO:
Barrina LED Shop Lights (Makes any garage look like a showroom)
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Neewer 2 Piece LED Video Light and Stand (Great for that extra needed light)
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Neewer Camera Tripod Monopod with Rotatable Center
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SoHo Urban Artist Tripod Weight Bag
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Aputure Amaran AL-MX LED Video Light (Great light for on-the-go)
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Tascam DR-10L Digital Recorder Kit (Easy to operate and clear sound)
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BOYA Shotgun Microphone Triple Mount Brackets with Shoe Mount Adapter
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DJI OSMO 3 Combo Pack
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DJI OSMO Travel Case (The case that comes supplied with the DJI OSMO 3 does not fit all accessories)
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UBeesize 12” Flexible Cell Phone Tripod with Wireless Remote
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Harley Davidson Biker Shop Gnome
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#mrcool #airconditioner #diy

[@mrmen171]

So far this is the best mini split video that I've seen. Great job.

[@RAIDERWORLD]

That’s great to hear! Thank you

[@Orangefurygt350]

Bro what a great video, I’ve been searching for something like this for awhile, I’m in Florida like you, my layout is similar to your garage, I think this is the only video available of a mini split system install on a concrete wall! You just gave me the confidence to tackle this job myself. Thank you so much!!! 👍🏽👍🏽

[@RAIDERWORLD]

Absolutely! I’m glad this video was helpful. This Florida heat is brutal 😓

[@mastershredder2002]

well put together video with all of the details.

[@RAIDERWORLD]

Thank You! I might do some more DIY garage stuff on this channel

[@joeweatlu5169]

Great video. Thanks! I'm considering the same unit and appreciate your sharing the install.

[@RAIDERWORLD]

Thank You! Definitely enjoying this unit, no regrets

[@Candyredpony]

I’m about to install my own Mr Cool here in FL, so this video was very helpful. Very well done video.

[@RAIDERWORLD]

Absolutely a great investment! It’s probably the best upgrade I’ve done in my garage

[@warham4155]

thanks for explaining the wall sleeve.. I ran into the same thing and couldnt find any other videos that talked about it.

[@RAIDERWORLD]

Absolutely! I’m glad that it helped

[@johnhalcomb1724]

Best MrCool instructional video on KZbin. I'm beginning my install of dual unit tomorrow Thanks..

[@RAIDERWORLD]

Absolutely! Thank You. This was my first with this Mr Cool system, and it couldn’t be any easier. Just make sure you plan around the weather lol

[@markfolino6976]

Great video, I really appreciate your detailed install, thanks

[@RAIDERWORLD]

Thank You! I definitely appreciate the support

[@Charlies_Riding_Adventures]

Another excellent video. Your transparency makes all the difference. Not hiding mistakes will definitely help someone along the way so they can avoid the same mistakes. The mistakes made are probably common mistakes. This makes it a better instructional video. Nice work !

[@RAIDERWORLD]

Absolutely! Thank You, I definitely appreciate it

[@superduty131]

What a great install. Your timing is perfect. Living on the Gulf Coast I have been using a wall A/C unit and they pretty much are shot after a year, since they run alot. And I have been considering one of these. Thanks.

[@RAIDERWORLD]

Absolutely! I’ve been putting this project off for way too long. I couldn’t be happier with this system so far. I have to turn it down sometimes, because it’s too cold lol. It has made working in the Garage more exciting.

[@superduty131]

@@RAIDERWORLD Agree. I really like the insulation on the door. I just cut up the 4x8 foam board insulation. What BTU size unit did you use??

[@mic98ws6]

Excellent video. I’m in Florida as well. I have the same concrete walls in my garage. Thanks for showing what hole saw to use. I’m going to use the wall brackets on the outside to keep the unit elevated a bit. Well done!

[@RAIDERWORLD]

That’s awesome! Thank You. Definitely worth it 👍🏽

[@ibendtin]

On the wall v slab... I looked at the slab and anchors as theft protection for all. 😐

[@redrider0151]

AWESOME!!! My next house I am ABSOLUTELY getting a garage AC!! Current one I would have to rip down drywall to insulate the walls....SUX!!! Florida heat had to be crazy in the Garage!!

[@RAIDERWORLD]

Yeah man, this Florida heat + humidity is no joke! I needed this here, not only for videos, but for my sanity 😂

[@markw.3743]

Job well done Brother! I live in the south too , life without AC sucks 👍🏻

[@RAIDERWORLD]

Thank You 🙏🏽

[@Dmenbiker]

Great tutorial... Thanks a bunch... Dave

[@RAIDERWORLD]

Thank You! I definitely appreciate it

[@RockRollShopPatrol]

Very nice video, will save me a ton of money!

[@RAIDERWORLD]

That’s awesome! Glad it helps

[@willherrera2559]

im gona buy one of these now...thank u

[@RAIDERWORLD]

That’s awesome! I definitely enjoy mine. Especially with the heat

[@algamingunboxing7354]

Thanks for the Video, I just purchased the 18K BTU, and I was wondering how I will do a hole on my wall (bricks on the out side). Thanks for adding the info in the bits, purchasing ring now on Amazon.😀 Muchas gracias amigo.👋

[@RAIDERWORLD]

That’s awesome! Thank you. The right tool definitely helps the job go easier

[@MelvinAlc]

thanks to you extremely well done video i'm buying to units for my house ✌

[@RAIDERWORLD]

That’s awesome! For this being my first AC wall unit install, it was very easy. Made a world of difference with no regrets.

[@2147crew]

I need this. Lol thanks for sharing!

[@RAIDERWORLD]

I couldn’t take the heat anymore 🤣

[@bazanexpress100]

Excellent video. Thx.

[@RAIDERWORLD]

Thank You!

[@User31084]

16:43 Hey Andy, that hole looks like the Shawshank Redemption! 😂

[@RAIDERWORLD]

Haha

[@korimori3768]

Great video!

[@RAIDERWORLD]

Thank You!

[@RidingandWrenching]

Nice job! I need that for my garage. It's hot in Memphis in the summer....it's unbearable in the garage sometimes

[@RAIDERWORLD]

Thank You! I can’t say enough about this system. You definitely get what you pay for. I don’t think I’ve sweat once in the garage since installing it haha

[@topafkar]

Good sharing 👍

[@RAIDERWORLD]

No problem! Thank you for watching

[@fartherstill]

Great explanation and well videoed. Doing the wiring now. 18k unit scheduled to arrive Saturday. Doing the install solo too. Would be helpful if I also benched 500 plus pounds

[@RAIDERWORLD]

Thank You! Besides the rain, it was very simple to install and has been running great. Haha! It does help to have a little muscle lol

[@DeterminedVeteran]

Those are great units for sir e

[@RAIDERWORLD]

Hell yeah! Definitely worth the investment for my sanity haha

[@rogersopiyo7765]

Nice work engineer

[@RAIDERWORLD]

Thank You!

[@TheCarGuy4Life]

Lay the extra line set horizontally. It is mentioned in the install guide somewhere, It allows the oil to return back to the unit.

[@RAIDERWORLD]

Good to know! I definitely didn’t need the extra line set

[@davidgooden219]

Best video out there.

[@RAIDERWORLD]

That’s awesome! Thank You 🙏🏽

[@lf98037]

I'm currently installing the same 18k unit. If you don't have a whole house surge suppressor then your electrician should have recommended one at the disconnect box. I believe it's current code and a good idea to protect the onboard electronics.

[@RAIDERWORLD]

Absolutely! I definitely have one of those.

[@robertnewbold]

Nice job brother! I was actually looking at those myself being Southern California, and my garage is HOT!!! I do videos as well and on almost every one, you can see my soaking wet arms and shirt as I work on my bikes from the heat...lol. I will be curious to see how it works for you after a bit.

[@RAIDERWORLD]

Absolutely! I couldn’t take the heat anymore. My arms would cramp up and I would be dehydrated after a couple of hours. I’ve had this for 2 weeks now, and it has been awesome! I can film for hours now, without a drop of sweat.

[@tylerscogin8538]

Great video, very informative. I'm about to install a 24K Mr. Cool unit myself, also pouring a pad for the outdoor unit. Can you add a link to your concrete drill bit with the adjustable stop collar? You mention Tapcon but I can't seem to find one like that. Thanks!

[@RAIDERWORLD]

Hey! Thank You. I definitely appreciate it. I mostly purchase my tapcon drill bits from Home Depot or Lowe’s. Adjustable collars amzn.to/3qqbALb

[@chuckmurch7821]

Thanks for the video! Great Job!!! I just bought a 18K unit and was DIY on the elect part too. What size breaker (25 or 30amp) and what size wire (10 or 8) did the electrician use; the instructions and a call to MR Cool haven't specified. Thanks again!!!

[@RAIDERWORLD]

Thank You for watching! I’m not home at the moment, but I’m pretty certain it was a 30amp breaker. And I do not remember the size wire. I would definitely ask an electrician, just to be sure. Yeah, instructions didn’t really cover it. Thank You again

[@davidstewart1153]

There's a chart on the instructions I have on page 35. It says #10AWG minimum for the 18K, #8 if you want. You'd size the breaker to the wire, in most cases 30A for #10.

[@wilburrrrr742]

On the outside unit is the label that will tell you for your specific size setup. "Minimum circuit ampacity" tells you the number of amps to size the wire for. (E.G. 15a - 14awg, 20a - 12awg, 30a - 10awg. MOCP is maximum overcurrent protection. Or largest breaker, or fuse. Breaker must be HACR rated (Heating,air cond,refrigeration)

[@oldcaliforniakid]

Nice video! Can you tell me the measurement between the front and back holes in the feet of the condenser?

[@RAIDERWORLD]

Thank You! I’m currently not stateside, so unfortunately I cannot get any measurements right now.

[@RickSwartwood]

Great Video! What's the Sq Ft recommendation for this setup? Their website is rediculously confusing

[@RAIDERWORLD]

Thank You! I believe this unit is 750sqf.

[@scotm2949]

Great tutorial. Your arms are massive 💪 Bro, do you even lift? 😁

[@RAIDERWORLD]

Thank You! I lift myself out of bed everyday haha

[@craigweaver5671]

Well done. I'm hoping someone helps me!

[@RAIDERWORLD]

Thank You! I’m glad this video was helpful

[@thelace-strr6685]

Thank you for the video, so you couldn’t place this unit on an interior wall? Only on an exterior?

[@RAIDERWORLD]

Thank You for watching. Unfortunately not, they need to be ventilated outside, especially the drain line

[@scottrp21]

What are you going to do with the extra hose? Is the plan to cover it so the sun doesn't bake it or will it be fine left out like that? Also living in FL I get concerned about the sun bake

[@RAIDERWORLD]

Hey, thank you for watching! It’s wrapped in heat deflecting tape. It also sits in the shade half of the day. Should be fine, but I’ll give some updates right away if anything changes

[@FranciscoRodriguez-kv3fb]

How did you connect to wires inside near the wifi module, the ones that are in the little box next to the filter when opened, hope that make sense

[@RAIDERWORLD]

The WiFi module just plug right in, there are no wires or wiring needed

[@ROYALPRIX]

I've learned from tons of feedback that you should not store the excess lineset in a verticle spiral like you have (and I had). Oil builds up on the bottom of the loops, needs to be stored horizontally.

[@RAIDERWORLD]

That’s a good point, and definitely makes sense. Thank You for your input

[@liebuster9308]

What oil??? I thought there is only a cooling gas/liquid in it? What does this oil build up do?

[@joe3276865536]

@@liebuster9308 In A/C systems, there is oil added to the refrigerant acting as a lubricant and sealant. Most of this oil ends up in the compressor crankcase where it's needed but some of it escapes along with the refrigerant in the line set. When it returns, it is captured by a "separator" which is usually built into the compressor but can also be a standalone device. You do not want oil building up in the lineset as it acts as a thermal insulator, plus the oil is needed by the compressor.

[@jetskiergh]

So you had two 18 k right? Did you out them both in the garage?was curious how many seer your 18 k is because I’m seeing lots of different seer ratings depending on seller. Costco seems to have one at almost 22 seer but you have to wait 2 to 3 weeks to get, I’m not now! Haha. I’ve got a 3 car standard garage, was thinking 24K or should I step to 36k? How much did your electrician charge for quick disconnect? Thanks, nice video

[@RAIDERWORLD]

Thank You for watching! I only have (1) 18k unit in the garage, which is plenty of enough for my needs. Nothing wrong with going higher, but this was all I needed

[@stephenj1957]

Nice instructions. One question. I thought it was imperative to vacuum your lines before opening up the coolant.

[@RAIDERWORLD]

I believe the way these lines are set up, it creates its own vacuum. So far, I haven’t had any issues

[@liebuster9308]

Those "Quick-connect" models are pre-filled and already are with vacuum. After opening the valves as he has shown anything is ready.

[@ibendtin]

Good presentation. I'm new to you. If the pads were necessary, buy 4 anchors and move them two inches. Meh.

[@RAIDERWORLD]

Thank You! I definitely appreciate it

[@mcarroll598]

Nice video, just curious what is the SQ. footage of your garage? Or how did you come up with that size 18K unit? Thanks.

[@RAIDERWORLD]

Thank You! My garage is about 650 sqft. I wanted to make sure that I had enough coverage, and this unit is perfect.

[@mcarroll598]

@@RAIDERWORLD ok cool thanks for the reply.

[@mowcowbell]

I went with a 18K unit for my 3 car garage which is also about 650 sq ft. It can keep my garage at 72F even when outside temps are 109F. I do have a second story living space above the garage, insulated walls, insulated garage doors which helps it to maintain the temps.

[@bornwestusa]

double check the grounds, I think the control ground and the main ground are swapped?

[@RAIDERWORLD]

Thank You! Will do

[@weskavanaugh5357]

Can I ask how large your garage is? mine is a 2 car, 410 sq ft, just insulated the doors and attic, also in fl and I was thinking about getting the 12k BTU version, hoping its enough

[@RAIDERWORLD]

Its about 650 sqft.

[@number1pappy]

What's the purpose of the air freshener filter? It's just a little strip. The actual filter is the screen. Thanks 😊

[@RAIDERWORLD]

Honestly, I do not believe it serves a purpose at all. At least not enough to make a difference.

[@DJ-e30]

What is the type of clip you used to secure insulation to the garage door?

[@RAIDERWORLD]

Not to sure what the clip is called, but It comes in the insulation kit.

[@mystycs]

How long is the electric line that goes from the head? Do they size it to the same length as your copper lines?

[@RAIDERWORLD]

I do not know the exact length, but it is long. It was about the length of the line set

[@budnotu]

The company Mr. Cool states its a DIY what they don't say is you must have a licensed HAVC technition istall the unit or he must sign off that the unit was installed properly and is working correctly. Otherwise the warranty is void and I don't know of any tech that would sign off on a job that he did not do.I

[@RAIDERWORLD]

Yeah, that’s never good business. I live in HOA, so I have to get an inspection/permit done anyhow. But yes, it’s not completely DIY, but I saved on the installation

[@JoeyDell-st4qn]

The DIY series retains a warranty and does not require a licensed HVAC contractor for installation.

[@edwardswain7963]

Can your line set be to long for operation. I bought DIY 4 gen 12000 btu 1 ton air with 25 ft line set and I only need 10 ft

[@RAIDERWORLD]

Not really sure on that. I could have definitely gotten a shorter line set though

[@giancarlog8653]

Im in FL as well. How big is this garage? I’ve got a 3 car (540 sq ft) garage and was wondering if an 18,000 BTU would be enough to cool that.

[@RAIDERWORLD]

I have a 2 1/2 car garage, about 650sqft. It covers it pretty well

[@Strategicchoices]

Why did you get 25'. Looks like a 16' would've been enough, right? Also, Abby advice on 120 vs 240v options?

[@RAIDERWORLD]

I definitely could have gotten a shorter line set. Not an electrician, so I can really say which one is better.

[@sanedad-100]

How has the unit held up and do you feel it is sized properly?

[@RAIDERWORLD]

It’s held up great! Definitely has plenty of coverage.

[@keithward8642]

What did the electrician do for you? There isnt much info on what needs to be done in the manual.

[@RAIDERWORLD]

So the electrician added (2)15amp breakers, or you could just add (1) 30amp breaker. Then for code, I had to add a quick disconnect on the outside.

[@kai6424]

What size wire is the the whip and what size breaker on this unit? 30amp? 10/2?

[@RAIDERWORLD]

I’m not to sure in the size of the whip, but the electrician did use (2) 15amp breakers. But you can easily just use a 30amp.

[@JW88275]

Was it hard to get the permit pulled? Which one was needed?

[@RAIDERWORLD]

Not hard. Just make sure to hire an license electrician

[@Chaos31]

How long did the install take once concrete was ready?

[@RAIDERWORLD]

Because I was filming it, it took me the entire day. This should only take about 2-3 max

[@Golfexpertbelieveme]

After all this time how’s it working? How much has your electric bill gone up per month?

[@RAIDERWORLD]

It’s been working great! I really only use it when I’m working on the garage. I haven’t really payed attention to the electric bill, but it’s not enough to raise any eyebrows

[@chuckb9867]

@@RAIDERWORLD just so you know I've heard bad things about mr. Cool service the product works good just the service is bad

[@johnelthomas2656]

I notice you didn't pump the air out the lines Any problems?

[@RAIDERWORLD]

No issues. I just went straight off the instructions

[@youdosuck]

I just looked it up, These lines don't require it as they are quick connect.They also look like they can't be cut to size either.

[@rogerbeausoleil2644]

It's a nice video but i think you were suppose to do a vacuum on the system before you open the valve's to let the refrigerant go in, no!

[@RAIDERWORLD]

According to the directions, this system does not require it. All DIY besides the electrical portion

[@bertveldhuizen8699]

You need a permit to install a A/C on your own house?

[@RAIDERWORLD]

HOA requires a permit unfortunately. And if you get a home inspection for resale, they will check for that permit.

[@jessemendoza637]

Does it require a 500 micron vaccum before releasing freon?

[@RAIDERWORLD]

Nope, sure doesn’t 👍🏽

[@zechariahhambone3841]

Anyone install these in new construction homes and run the lines in the walls then out?

[@RAIDERWORLD]

I’m sure it can be done

[@zechariahhambone3841]

@@RAIDERWORLD I don't know if you mentioned it but how much did you pay for this? I was just quoted $4200 installed for an 18K btu Haier, which is what led me to the DIY Mr. Cool's.

[@RAIDERWORLD]

@@zechariahhambone3841 I paid a little over $2,200 after Military Discount. Save your money, and DIY

[@lion5452]

No leak test ?

[@RAIDERWORLD]

Leak test was done towards the end of the video.

[@liquidforse31]

You have a 3 or 2 car garage?

[@RAIDERWORLD]

2 car garage

[@Travis25601]

How much is one of these Mr. Cool deals ?

[@RAIDERWORLD]

Can’t remember what I paid, but it ran a little over $1,800 after Military discount.

[@robertgarside6238]

As a concrete guy, it was painful watching you try to finish that pad......lol

[@RAIDERWORLD]

Haha! Yeah, I got rained out on this one. Definitely not a trained professional

[@shahrampooee9831]

Actually you did not say anything about breaker , size of wires and disconnecting means size!

[@RAIDERWORLD]

I’m not a licensed electrician, so I wouldn’t feel right about giving out that information.

[@UknowWhoWeR]

Man U got more gravel than concrete

[@RAIDERWORLD]

Just rocks. I also wanted more drainage where this system was located.

[@MyGerry93]

Long term update please

[@RAIDERWORLD]

So far so good! I did just schedule it’s first service.

[@simonmasters3295]

2 x 4 concrete pad was a bit laboured (rain gotcha) ffs move on...big miss on insulation underneath? disinterested? Nice angled deWalt hole-saw use on cinderblock and two stage approach to drainline. Adjustable Wall Sleeve is "neat" (until angle is not flush, but is later "not a finish" feature which is rewarding, phew) but outside location was obvious time waster and afterthought. Including the hole-saw in kit would be expensive, zipties and duct tape inexpensive

[@RAIDERWORLD]

For sure! I definitely appreciate the input. For this being my first split unit installation, It went smoother than anticipated, besides the rain.