Lewistown, PA

18,000 BTU MRCOOL (DIY) Do-it-yourself 3rd Gen 20 SEER Ductless Mini-Split Inverter Air Conditioner/Heat Pump With Installation Kit-FREE SHIPPING!

USD $1,706.00USD $1,970.00

Please note: This item is currently out of stock but we are accepting backorders. We do not have a receival date yet. Any questions, message or call 717-363-3499.

Free Shipping!

New, more efficient model!

Keeps you cool & comfortable in the summer, and warm & comfortable in chilly weather.

20 SEER in cooling, 10 HSPF in heating mode.

Up to 750 sq. ft. coverage!

Easy on your electric bill! Save on your heating & cooling costs.

Quiet, efficient, operation.

7 yr. warranty on the compressor, 5 yr on parts, 1 yr on remote control.

Easy to install without any specialty tools!



MRCOOL Do It Yourself 18,000 BTU 1.5 Ton 20 SEER Ductless Mini-Split Air Conditioner and Heat Pump With Installation Kit – 230V/60Hz

Introducing the MRCOOL E Star DIY 3rd Gen 18k BTU 20 SEER Ductless Mini-Split Heat Pump. These are ductless mini-split heat pumps with enhanced WIFI engineered to make setup not only quick and easy, but the MRCOOL DIY E Star Series is flexible enough to be installed virtually anywhere without requiring specialized tools or expensive equipment. The 18,000 BTU unit is 20 SEER and designed to heat and cool up to 750 square feet efficiently and effectively. Our SmartHVAC app is compatible with Amazon Alexa and Google Assistant. You can also control your DIY anywhere with your Apple or Android smart device with an Internet connection. Doing it yourself has never been easier with the new MRCOOL DIY E Star Series. This unit is shipped in two boxes.

20 SEER in cooling mode

10 HSPF in heating mode

Model# DIY-18-HP-230B

Easy to install without any special tools!

Do-it-yourself Brochure

Install Manual

User Manual

Remote Manual

Install Video #1

Install Video #2


Ready to ship in 1-2 business day from United States (US)


Shipping Policy

Orders are shipped the most economical or convenient way.
Allow up to 2 weeks for arrival.
Free shipping on large items may require shipping to a business location, ie, without liftgate. Hardware stores, etc., often provide that service at no charge.
We do not provide expedited shipping on large items, ie, heating and cooling equipment.
After order is shipped, you will be notified, and be provided with the tracking number and name of shipper. Orders may not be canceled after they ship.


Refund Policy

30 day returns* from the date of the invoice, on unused, undamaged product that was not installed and is in resalable condition only.
Refunds will be given, minus 15% restocking fee, plus return shipping charges.
Installed product may not be returned for refund.
Undamaged product which the end-user has already accepted may not be automatically returned to us. This applies to all returns damaged in shipment which are not refused at the point of delivery. In the event of a product being damaged in shipment, we require the recipient note the damage at delivery. We are not responsible for and will not be obligated to cover any damage that occurs in shipment that is not noted by the recipient at the time of delivery. Damage claims will be filed with the shipping company for any damage the recipient indicates was received during the shipping process, but there is no guarantee non-noted damage claims will be paid.
Seller is not responsible for sizing or installation errors, or return shipping. No returns without prior approval.
*Except for Air Con which is 15 days from date of invoice.

Additional information

Mounting options

Wall bracket+$40, 24x36x3 Mounting pad+$50, 4×17 Riser set+$29, 24x36x3 Mounting pad and 4×17 Riser set+$79, None

Refrigerant line cover kit

12 ft line cover kit+$75, 24 ft line cover kit +$150, None

Lineset length

16 ft+$0, 25 ft+$35


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