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MrCool DIY 3rd Generation 12k BTU 22 Seer Ductless Heat Pump Condenser with 25 ft Line Set

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local_shippingEstimated to arrive May 29 - Jun 06
MrCool DIY 3rd Generation 12k BTU 22 Seer Ductless Heat Pump Condenser with 25 ft Line Set

Important Note: This is not the complete system - this is only the Heat Pump Condenser and 25 foot line set. Click here for the complete 12k BTU 22 Seer Split System that includes Heat Pump Condenser, Air Handler, and Line Set.

The 12k BTU MrCool DIY 3rd Gen Ductless Heat Pump Condenser is part of the MrCool DIY mini split system is so straightforward when it comes to installation that you can do it on your own without difficult tools, equipment, or training. You can tackle this project to improve your indoor comfort in just a few hours! 

It is designed to work with the MrCool DIY lineset (25 ft included in the box), a cutting-edge technology that makes installation safe, easy, and inexpensive. Parts come pre-charged and ready to install. The condenser comes pre-charged with R-410A refrigerant, an environmentally friendly and chlorine free option that avoids damage to the ozone layer.

It's not only easy to install on your own, but the 12k BTU MrCool DIY 3rd Gen Ductless Heat Pump Condenser runs using whisper technology, so you will barely notice when the unit is running. This ductless mini split heat pump has a heating and cooling capacity of up to 12,000 BTU, helping keep your home at your ideal temperature 365 days a year.

If you reside close to the coast or in a state with high humidity it won't affect the the 12k BTU MrCool DIY 3rd Gen Ductless Heat Pump Condenser's functionality. The Gold Fin Condenser is corrosion resistant and built to withstand long term exposure to various elements. But what about cold weather in the winter, you ask? Not to worry, this condenser is AHRI certified run effectively in below freezing temperatures.

The 12k BTU MrCool DIY 3rd Gen Ductless Heat Pump Condenser comes with auto restart memory in case of a power outage. The unit is also safeguarded with features like leak detection. The unit can detect when it is low on refrigerant and alert you with an alarm to prevent damage to the compressor. With leakage detection you can trust that your MrCool DIY is running smoothly and efficiently to keep you comfortable in your own home.

This 12k BTU MrCool DIY 3rd Gen Ductless Heat Pump Condenser can be anchored to the ground or be attached to a wall with an exterior mounting bracket. The unit is 31.5 inches wide, 21.8 inches tall, and 13.1 inches deep; meanwhile, the mounting dimensions are 20.24 inches wide by 13.39 inches deep.

With MrCool, you can control your heat and air wirelessly, using the included remote or from an app on your smartphone. Conveniently manage the temperature of your home with an easy push of a button!


12k BTU 22 SEER MrCool DIY Ductless Heat Pump Condenser - 3rd Generation - DIY-12-HP-C-115B

The only ductless air conditioning and heating unit that is easy to install for thousands less than a conventional HVAC system. Mr Cool DIY 12k Ductless Mini Split heat pump even adjusts the temperature to the perfect degree wherever you are in your room.

A MRCOOL DIY Series heat pump is the only ductless mini split system on the market explicitly designed for amateur installation. You don't need special tools or training to install this high efficiency heat pump. The line set pre-charged with R410A refrigerant, the quick hook-up electrical connections, and the quality engineering mean just about anyone can install a MRCOOL DIY in their home with no problem at all in only a few short hours. If you want great air comfort without paying an arm and a leg for installation, you want an easy-to-use MRCOOL DIY Series ductless heat pump.

Unlike any other ductless heat pump on the market, the MRCOOL DIY series is specifically designed for easy installation. The MRCOOL DIY series uses a pre-charged refrigerant line, alleviating one major obstacle to amateur installation in a single stroke.

MRCOOL ductless mini split air conditioners and heat pumps are the cutting edge of what modern, flexible fabrication can produce. These air conditioners rely on state-of-the-art manufacturing processes and advanced design to deliver high efficiency air comfort anywhere you need it.

  • EASY DIY INSTALLATION A pre-charged R410 quick connect DIY lineset allows you to install this innovative ductless system without special tools, equipment, or training.
  • FOLLOW ME Personalized Performance for wherever you are in the room. Keep the remote close by, and MRCOOL DIY will track the air temperature around you to ensure you receive maximum comfort.
  • LOW AMBIENT COOLING Cool all the way down to 5°F. Maintain cooling even when the outside temperature reaches 5 degrees. This feature makes the MRCOOL DIY the ideal system for server rooms, greenhouses, and any other application that requires cooling all year.
  • AUTO RESTART No need to worry if there's a power outage. The MrCool DIY auto restart will have the unit running again in no time.
  • GOLD FIN CONDENSER Live on the coast? Not a problem, the MrCool condenser is built to resist long term corrosion.
  • REMOTE APP WIFI CONTROL Control your DIY anywhere with your Apple or Android smart device and internet connection.
  • TEMPERATURE COMPENSATION The MrCool temperature compensation technology help keeps you comfortable in all weather conditions.
  • LEAKAGE DETECTION When the MRCOOL DIY detects low coolant an alarm will sound to alert you to the problem. This will prevent damage to the compressor while you maintain comfort in your indoor environment.
  • LOUVER POSITION MEMORY The louver will automatically move to the same position as you set last time the unit was turned on.


Heat Pump Condenser Specifications

Model DIY-12-HP-C-115B
UPC 810512033423
Avg Coverage Area 500 - 600 Sq Ft
Compressor Inverter
Cooling Capacity 1 Ton
Electrical Phase 1-Phase
Heat Pump Efficiency (HSPF) 10
Line Set Connection Type Quick Connect
Liquid Line Size 1/4 inch
Max Over-current Protection 20 amps
Primary Heating Capacity 10,001 - 15,000 BTU
Product Height (in) 21.81
Product Length (in) 13.11
Product Width (in) 31.50
Cooling Efficiency 19 SEER and Above
Series DIY
System Application Type Ductless Split Systems
Voltage 120
Warranty 5 Year Parts, 7 Year Compressor
Weight (lbs) 102.2900
Region Compatibility Nationwide
California Residents see Prop 65 WARNING


In stock items: Products typically ship within 2-3 business days from when you place your order (Please allow 5-7 business days for some MRCOOL products to ship). Due to COVID-19 please allow 7 - 10 days for your order to arrive once you have received shipping confirmation.

Pre-order/Out of stock items: Contact us for estimated shipping timeline. We are experiencing inventory and re-stocking delays due to port congestion. We appreciate your patience and understanding.

High order volume due to COVID-19 may occasionally slow delivery for some items and you may experience extended wait times contacting our Customer Service team.

For the fastest service and online support, please email us at for information regarding your order.

Read the rest of our shipping policy here.

$988.45 $1,125.99

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