Internet #311900321

Model #DIY18-HP-230B25

DIY Gen-3 18,000 BTU 20 SEER ENERGY STAR Ductless Mini Split Air Conditioner & Heat Pump w/ 25 ft. Install Kit 230-Volt

  • Ductless mini AC with a heat pump ensures energy-efficient use
  • Includes a pre-charged DIY installation kit
  • Wi-Fi module allows for temperature control through smart devices
  • See More Details

Frequently Bought Together

Product Overview

The MrCool DIY 3rd Generation 20 SEER 18,000 BTU/h ENERGY STAR Ductless Heat Pump is designed for simple, amateur installation. Using pre-charged R410A Quick Connect® Linesets, anyone with a few common tools on hand can install this innovative ductless system that delivers reliable, ENERGY STAR rated heating and cooling year-round. Enjoy unprecedented control over your heating and cooling through a seamless integration with MrCool’s custom smartphone app, Google Assistant, or Amazon Alexa. With the MrCool DIY 3rd Generation Heat Pump, which runs quietly with decibel levels ranging from 31 to 45 dB, you can adjust your fan settings to low, medium, or high, direct air flow to your location with the Follow Me Function, or set your unit to Sleep Mode for quiet, efficient heating or cooling throughout the night. This bundle includes: Mounting plate, Anchor, Mounting plate fixing screws, Remote control, Fixing screw for remote controller holder ST2.9 x 10, Remote control holder, Air freshening filter, Seal, Allen wrench, Condensate Drain, Drain joint, Neoprene, Owner & Installation Manual, Remote Control Manual, Smart Controller Kit, Sound deadening pads, Quick Connect® line set (refrigerant pipe), Insulation material, Non-Adhesive U.V. Tape.
  • California residents
  • Fully able to be controlled with the MrCool SmartHVAC smartphone app or with your Alexa or Google Assistant.
  • The Follow Me® Function monitors the temperature near the remote and adjusts the unit’s function to deliver heating or cooling wherever you might be.
  • Quiet operation with nighttime sleep mode will deliver peaceful, efficient heating or cooling all night, allowing this unit to give you first-rate comfort 24/7.
  • Kit includes 25 ft. pre-charged do-it-yourself installation kit
  • 7-year compressor warranty and 5-year parts warranty
  • Smart functions include Auto Restart for instant operation after a power outage and louver position memory, so you don’t have to remember where the louver was when you shut your unit off.
  • Supplies low ambient cooling down to an outside temperature of 5°F, which is perfect for server rooms, greenhouses, and other locations that need to be cooled all year long.
  • MRCOOL units are protected by Gold Fin standard corrosion resistance and an alarm for low coolant levels and leaks.
  • Energy Star rated for certified efficiency.
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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BrandRamsondMRCOOLMRCOOLRamsond
NameSuper Efficiency 12,000 BTU 1 Ton Inverter Ductless Mini Split Air Conditioner and Heat Pump - 110V/60HzDIY Gen-3 18,000 BTU 20 SEER ENERGY STAR Ductless Mini Split Air Conditioner & Heat Pump w/ 25 ft. Install Kit 230-VoltDIY 3rd Gen 18,000 BTU 20-Seer Energy Star Ductless Mini-Split A/C and Heat Pump with 16 ft. Install Kit 230VSuper Efficiency GWi Series 33,000 BTU 2.75 Ton Inverter Ductless Mini Split Air Conditioner and Heat Pump - 230V/60Hz
Price
$102901
$1210.60
Save $181.59 (15%)
Add to Cart to See Price
$182900
$202300
$2380.00
Save $357.00 (15%)
Ratings
(16)
(380)
(0)
(4)
Zone CapacitySingle ZoneSingle ZoneSingle ZoneSingle Zone
Voltage (v)110v208/230v208/230v220v
BTU Cooling Rating12000 BTU18000 BTU18000 BTU33000 BTU
BTU Heat Rating13000 BTU18000 BTU18000 BTU33500 BTU
Minimum Outdoor Temperature (F)5 F5515
Mini Split FeaturesAuto cool,Automatic shutoff,Fan only option,Heater compatible,Programmable,Sleep setting,Timer,Wireless remote controlAuto cool,Automatic shutoff,Defrost,Fan only option,Mobile App,Overload protection,Sleep setting,Timer,Wifi,Wireless remote controlAuto cool,Automatic shutoff,Defrost,Fan only option,Mobile App,Overload protection,Sleep setting,Timer,Wifi,Wireless remote controlAuto cool,Automatic shutoff,Fan only option,Heater compatible,Programmable,Sleep setting,Timer,Wireless remote control
Mount LocationWall MountWall MountWall MountWall Mount
IncludedHeater,Remote Control,Self-diagnostic toolsRemote ControlRemote ControlHeater,Remote Control,Self-diagnostic tools
View ProductView ProductView ProductView Product

Specifications

Dimensions

Air handler depth (in.)
8.9
Air handler height (in.)
13.19
Air handler width (in.)
42.52
Condenser depth (in.)
14.29
Condenser height (in.)
27.64
Condenser width (in.)
33.27

Details

Air Conditioner Product Type
Mini Split Unit
Air direction/circulation
4-way
Air handler weight (lb.)
30.20
Amperage (amps)
20
BTU Cooling Rating
18000 BTU
BTU Cooling Rating
18000
BTU Heat Rating
18000 BTU
BTU Heat Rating
18000
Color
White
Color Family
White
Color/Finish
White
Condenser weight (lb.)
98.77
Coverage Area (sq. ft.)
750
Decibel (Sound) Rating
32 dBA
Decibel Rating
32 dBA
Filter Type
Washable
Included
Remote Control
Line Set Length (ft.)
25
Mini Split Features
Auto cool,Automatic shutoff,Defrost,Fan only option,Mobile App,Overload protection,Sleep setting,Timer,Wifi,Wireless remote control
Minimum Outdoor Temperature (F)
5
Mount Location
Wall Mount
Number of cool settings
3
Number of Fan Speeds
Variable
Power Options
Hardwired
Remote Access
Remote Access
Requires Hub?
No Hub Required
Returnable
180-Day
Smart Home
Smart Home Enabled
Smart Home Protocol
Wi-Fi
Voice Control Hub Required
No Hub Required for Voice Control
Voltage (v)
208/230v
Voltage (volts)
230
Wattage (watts)
Not Measured
Works With
Alexa, Alexa, Google, Google Assistant
Zone Capacity
Single Zone

Warranty / Certifications

Certifications and Listings
AHRI Certified,CSA Certified,CSA Listed,Energy Star
Manufacturer Warranty
7-Year Compressor and 5-Year Parts Warranty
Seasonal Energy Efficiency Ratio (SEER)
20

Questions & Answers

73Questions33Answers

Since the DYS version costs $800 more than it's non-DYS counterpart, is this an IQ test?

Asked by junkbantam May 21, 2020
5
Answers

The warranty is significantly different as well.

Can you separate the drain line from the coolant lines? I would like to have the unit drain slop...

Asked by Dad April 24, 2020
4
Answers

Is this as loud as a large wall/window unit?

How many indoor air handlers come with the 18,000 BTU DIY unit? If only one, can an additional one be added and if so what is the cost?

Asked by Grits August 10, 2020
3
Answers

This set comes with a single indoor unit and you can't add another. But you can buy a dual zone DIY MRCOOL like this one: https://www.homedepot.com/p/MRCOOL-DIY-Multi-36000-BTU-3-Ton-2-Zone-Ductless-Mini-Split-Air-Conditioner-and-Heat-Pump-with-16-ft-Install-Kit-230-Volt-60Hz-DIYM236HPW04BK1/313739338

Can the line sets be disconnect & connect again after install?

Asked by Billly July 9, 2020
3
Answers

Not unless you hire an HVAC person to pump out the refrigerant first and then pump it back in after reconnecting the line set.

Hi I am interested in mrcool split 1.5 ton is it possible to install the indoor unit on a wall wh...

Asked by Hassan August 3, 2020
3
Answers

Sure.

Does the inside unit have to be installed on an exterior wall? My house is approximately 4 ft. of...

Asked by lreine August 6, 2020
3
Answers

The inside unit can be mounted on an interior wall. The hole for the line set is supposed to be 3.5" but you could cut an oval-shaped hole to allow the lines to be side-by-side going through the bottom plate, which is probably only 3.5" wide. Put nail guards on the bottom plate so no one drives a screw or nail into the lines.

do You neec 220 for these ?

Asked by Johnjohn August 23, 2020
3
Answers

Yes, installation was easy, but time consumong, after the 220 line is instalked, you will still have several hours of work getting the unit in unless you have done several before. It takes time to plan the mount, put in the kit and cover the ductwork for a clean look. Is it worth it yes I recommend this smaller unit, I had problems with larger unit install.

Will this unit work with the standard 220V household voltage

Asked by Ralph August 1, 2020
3
Answers

Yes. 220V, 230V, 240V: It is all the same thing.

Can the air handler lines run to the left rear of the unit instead of to the right rear. Also ca...

Asked by imcc July 2, 2020
3
Answers

The line set comes out of the right rear of the unit and is shipped with it folded back over to the left rear. If you want it to come out on the right rear you unfold it so that it is perpendicular to the back. If you want it to come out on the left rear you would leave it in the folded position but gently bend just the last few inches to make it perpendicular. (Click on picture to see both options.) No, the line set can't come out one of the sides.

Rating on the unit is 20A. Would a designated 20A breaker or the next size up be the correct?

Asked by Ryan March 25, 2020
3
Answers

20A is fine and correct.

DIY Gen-3 18,000 BTU 20 SEER ENERGY STAR Ductless Mini Split Air Conditioner & Heat Pump w/ 25 ft. Install Kit 230-Volt - page 2

Customer Reviews

  • 380 Customer Reviews
  • 4.7 out of 5 stars overall
94% of customers recommended.
Overall Ratings
5star-icon(283)
4star-icon(73)
3star-icon(12)
2star-icon(4)
1star-icon(8)
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I was able to do the whole install start to finish with no problems. I highly recommend this for ...
I was able to do the whole install start to finish with no problems. I highly recommend this for anyone! Very happy with mine!
Was this helpful?
1
0
Putting the unit in was not hard, just make sure you have your spots picked out for both the insi...
Quality :
3
Value :
3
Putting the unit in was not hard, just make sure you have your spots picked out for both the inside and outside unit, make sure there is no wires or studs before putting your hole through the wall. You will need to run a wire for electricity and install a quick disconnect or hire a pro if you don't know how. The unit cools good and is very easy to operate. The only problem i have is with the internal thermostat, if i set it for 76 the unit will kick off at 73, but will not kick back on till 79 degrees. That is way to much of a temp difference for my liking. I have ordered a ir wifi thermostat, hopefully that will fix the problem. The interior fan also runs all the time when in cool mode, idk about heat mode. I have only had the A/C for a week
Was this helpful?
2
0
Very satisfied
Quality :
5
I bought the unit from Home Depot Online at the end of April 2020. In fact, Home Depot had the best price on the market. The shipment wasn't very smooth though since the indoor and outdoor units arrived on different dates and one of the boxes came with scatches. The unit however was intact. The installation was relatively easy as advertised (perhaps 6 hours total through a couple of days... in my case). The area intended to cover was around 900 square feet. During the two and a half months of being in use, I have nothing to complain about since it is working just fine and operating very well considering the Southern California summer heats. I'm glad to also notice that it is actually energy-efficient since my electricity bill has not gone up more than about $20- $25 over the previous charges. The only reason for not picking 5 stars is because of the technical support. I contacted MrCool about a month and a half ago because of a defective SmartHVAC device (the connection to WiFi) and I'm still waiting for the replacement. I also asked to purchase the 3-year warranty on the same occasion and I still have not received any response. Other than that, I am very satisfied with this purchase.
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2
0
Very straight forward to install and works great.
Very straight forward to install and works great.
Was this helpful?
2
0
Absolutely love this mini split air conditioner. Works amazing! Definitely recommend!
Absolutely love this mini split air conditioner. Works amazing! Definitely recommend!
Was this helpful?
2
0
3rd gen better than last and easier to install. Quiet and effective
3rd gen better than last and easier to install. Quiet and effective
Was this helpful?
2
0
Well packaged and easy to install I didn't really use the instructions but the YouTube videos wer...
Well packaged and easy to install I didn't really use the instructions but the YouTube videos were great and very informative. The outdoor unit was a bit heavy for just one person to move and position correctly. I would say it's a 2 person job. I installed the 18000 btu unit in an uninsulated lake house in CT approximately 575 sq feet. I oversized the unit based on the fact that there is no insulation and so far I've only used the heat. It is able to maintain 70% with an outdoor temperature of 30%. Both the indoor and outdoor units are whisper quiet unless on turbo. The indoor unit is very nice looking compared to others I've seen. I'm not sure it was worth an extra $500 just for the charged line set in the diy unit but with all the social distancing going around due to Corona virus I didn't want to wait on someone else to draw a vacuum on the unit so I paid extra for the DIY. The one thing I was not happy with is one of the fittings that the line set attaches to the outdoor unit was a little loose and I didn't notice till I was threading on the line set and once you do that you can't take it off or you lose the charge. I was able to tighten it slightly hopefully it holds . I also bought the optional line set cover for the outside of the house
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6
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Overall, the installed product seems to be working properly, and the installation is attractive. ...
Overall, the installed product seems to be working properly, and the installation is attractive. Now, on to the details. In looking through the parts provided, I found some tiny plastic expansion bolts. These were, supposedly, provided to hold the wall mount for the indoor unit. These plastic things are not something I would use to hold a picture frame, much less the indoor unit of this heat pump. Not a big deal, really, everyone has bigger screws laying around. Mine was NOT a DIY installation in an existing structure. I was installing mine in a new construction environment. Keep this in mind as I continue. Not a really big deal, but there are differences. For my new construction environment, I had to mount a quarter sheet of drywall and then mount the indoor unit. I installed the mounting bracket to the studs per the template, and with some sturdier screws than were provided. When I hung the unit on the provided bracket it did not pull up to the wall very tightly. The bracket is very FLIMSY! I had to dismount the unit, not trivial, and add a couple more screws as near as possible to the mounting tabs. This helped a little but a stiffer mounting bracket would have been better. There are many videos online for installing the MRCool units. The ones I watched showed the indoor unit coming with the piping already attached. I initially thought that was a good idea, eliminating a pair of the DIY connections.. However, in looking back, my unit did not have attached tubing, and that was best for my installation. I mounted my quarter sheet of dry wall, cut the hole per the directions, and fed the tubing through the hole in a predictable manner. So, now I had the unit mounted on the wall with the tubing bent properly and extending below my drywall, providing good access to the making the required connections. My installation is on the second floor of new construction. It was easy to unroll the tubing set into a straight line and and feed it from the first floor to the second floor. Making the connections on the indoor unit was a little scary, because this is where the money is, but in reality it was really easy. Per the instructions, get the connectors in perfect alignment,and then tighten with the wrenches as described. One detail, when you unroll the pair of tubes, you find that the connectors are at different positions relative to the connectors on the indoor unit. Well, running a finger down thru the the insulating material separates the two tubes into two single stand alone tubes and the problem is eliminated. Duh! There is a lot of discussion about proper torque. I won't comment on that other than to say that the tubing, properly connected, bottoms out, dead stop! When it bottoms out, tighten with a good turn. Unless you are a gorilla, I doubt you will break anything, I left the excess tubing coiled inside the wall on the first floor. The installation is not pretty but it is inside the first floor wall and the unit works. So all's well that ends well, eh? A couple other concerns during the installation. The lugs on the control cable were completely covered with rubber insulation. I thought I was missing something but in the end I cut off the insulation. You need to look closely to see that the cable ends are actually numbered.for the terminal connections. Additionally, when making the connections to the terminal block in the outdoor unit, the whole terminal block swivels on some point behind the block. Disconcerting, but doesn't seem to matter. A couple other details that contributed to my less than stellar rating: The tape provided to wrap the tubing has no adhesive. It doesn't stay where positioned and is practically worthless for its intended purpose. With my installation being completely inside the building I didn't really need it. There were a couple small dents in the outdoor unit cabinet. These were obviously factory dents and finished over at the factory. There are a couple plastic tabs on the indoor unit that are not properly seated. I'm not going to fool with them. They are a minor distraction. Documentation was good to better with some confusion regarding power requirements between different documents. Some info in the documentation was wrong because some markings had never been applied. I made several calls to tech support before and after the purchase and got great service each time. I have only had the unit for a month. It seems to work well in the low heat mode. I doubt I'll ever use the USB/WIFI interface. I think the unit will heat/cool a large area, but when running the unit in its low speed mode, the unit operates like a cheap heater where the thermostat is in the unit. In other words if you don't have a means to move the air around, then it will recirculate the air to its internal thermostat and the full room will not get the benefit of the unit. User higher fan or external circulating fan. So, overall, the installation was not as worrisome as originally envisioned. It seems to work properly. If it lasts 20 years like the first DIY heat pump I installed in 1977, I'll be really happy! Hope this was useful.
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12
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PSL, Florida
Good product for the money
Customer review from MRCOOL logo
I just bought this unit with low expectations since I live in Florida. I decided to go mini splits over conventional so I can control costs. It was a good choice. Easy to install. Wall bracket should be built to adapt to standard 16 on center wall framing.
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0
0
Pennsylvania
Mr. Cool is a little cool in the winter but aok
Customer review from MRCOOL logo
Installed the unit in a basement remodel. The installation was straight forward for a medium skilled individual and the unit looks and fits well into the space. Only recommendation is that I would upsize to the next model as it is having a tough time keeping up in the cold temperatures we are having. I live in Pennsylvania and the temps have been pretty low so believe a bigger unit could provide more heating capability. All other features (cooling, operations) have been very good.
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