Part of this kit — included in the price above.

MRCOOL DIY 12K 12,000 BTU 22 SEER Ductless Mini Split Air Conditioner and Heat Pump - 115V

MRCOOL DIY 12K 12,000 BTU 22 SEER Ductless Mini Split Air Conditioner and Heat Pump - 115V

MRCOOL| SKU: DIY-12-HP-115B25 In Stock

$2,799.11

Payment plans

From $233.25/mo with shop Pay View sample plans

$77.75/mo with Paytomorrow Learn More SAVE NOW:

Amounts shown are maximums; actual savings depend on income, household size, utility, and program rules. Some programs require installation by a licensed or participating contractor and/or specific equipment efficiency ratings. Rebate data by Rewiring America. Not tax or legal advice — verify with the program before purchase. Questions? Call us at (888) 231-8920.

Optional accessories

Add common accessories before checkout.

Pre-order - Estimated shipping: 2 - 4 weeks
Free Delivery Sep 5-10 (Est.)Included
Add coverage
Add coverage

Choose optional coverage for your order.

Protection plan

Use your system worry-free for years to come

  • Comprehensive coverage for mechanical and electrical breakdowns, including power surges
  • Repairs covered 100% for the extended term — labor included, not just parts
  • Coverage for normal wear and tear that affects how the product works
  • Replacement or reimbursement if we can’t repair it
  • $0 deductibles, ever
  • Cancel anytime on a pro-rata basis
  • US-based support and quick claims filing
2 Year Protection Plan · $29Add two years of optional service contract coverage. 5 Year Protection Plan · $59Add five years of optional service contract coverage.

Coverage begins after the manufacturer warranty applies, and runs alongside it for items the factory doesn’t cover. Select a plan above the Add to Cart button to include it with your order.

Backed by Chill Mini Splits · (888) 231-8920Detailed terms and conditions

Not sure which system fits?

Get a free sizing and compatibility check from our HVAC experts—plus 5% off.

By submitting, you agree to receive sizing help and occasional marketing emails. Unsubscribe anytime.

Description

MRCOOL's DIY 12K heat pump mini split air conditioner is the latest and greatest of the only ductless mini-split system on the market purposefully designed for anyone to be able to install. It is perfect for garages, workshops, sunrooms, RV's, trailers, or other spaces, especially if they don't have ductwork.

The DIY 12,000 BTU is now even more efficient, versatile and easy to install so you don't need any special tools or training to install this high efficiency heat pump. It comes with better heating capability, lifetime compressor warranty, and flexible conduit around the communication wires. It was designed so that anyone can easily install a MRCOOL DIY in only a few short hours without problems. You save money by installing the air conditioner yourself and also on the rebates available for ENERGY STAR models!

Sizes of MRCOOL DIY Single Zone Mini Splits:

12,000 BTU - 550 Square Feet

18,000 BTU - 800 Square Feet

24,000 BTU - 1,100 Square Feet

36,000 BTU - 1,500 Square Feet

The MRCOOL DIY mini-split is the most cost efficient air conditioner on the market today. When appropriately sized this system is the ideal DIY solution for a 500-600 square feet area. The MRCOOL DIY includes the new SmartHVAC Wi-Fi module that features a simple setup process, improved functionality and also works with both Amazon Alexa and Google Assistant. If you want great air comfort without paying for  installation, you want a MRCOOL DIY Series ductless heat pump!

The MRCOOL DIY 12,000 BTU 22 SEER 115V Ductless Mini Split AC and Heat Pump System includes pre-charged 25’ Line Sets with control wire and a Remote Control.

  • Designed for easy installation and comes with 25ft. pre-charged line sets
  • ENERGY STAR certified
  • Includes SmartHVAC Wi-Fi control module that works with Apple and Android smart devices, Amazon Alexa, and Google assistant
  • 7-year compressor with optional lifetime warranty and 5-year parts warranty
  • DC inverter and variable speed compressor technology minimizes operating costs
  • Refrigerant leakage detection ensures your system remains operating efficiently
  • Gold fin condenser: corrosion resistant, great for coastal areas 

Ask Chill AI about this product

Ask our AI product assistant about sizing, compatibility, electrical needs, accessories, shipping, warranty, and install planning.

Answers are AI-generated from this product’s specs — for sizing you can trust, call (888) 231-8920.

Compare MRCOOL DIY series

Same easy DIY install — pick the efficiency and cold-weather performance that fits your home.

MRCOOL DIY

Select

17.5SEER2 Efficiency
  • 2-yr compressor · 1-yr partsWarranty
  • 11.5 ft pre-charged (1/4″ × 3/8″)Line set included
  • Mild-winter climatesLow-ambient heating

From

MRCOOL DIY

Easy Pro

20.2SEER2 Efficiency
  • 5-yr compressor · 3-yr partsWarranty
  • 11.5 ft pre-charged Fast Connection®Line set included
  • Heats down to 5°FLow-ambient heating

From

MRCOOL DIY

5th Gen

23.6SEER2 Efficiency
  • 7-yr compressor · 5-yr parts (registered)Warranty
  • 25 ft QuickConnect® pre-chargedLine set included
  • Heats down to −13°FLow-ambient heating

From

See it done

Watch the full DIY install

Every step, start to finish — most homeowners wrap a single zone in a weekend.

MRCOOL DIY installation guide — full walkthrough
How to install a MRCOOL DIY system