MRCOOL® DIY® 5th Gen · Hyper Heat Condenser

12K BTU Hyper Heat Condenser

DIY 5th Gen - R454B - 12K Hyper Heat BTU 230V Condenser w/ 25ft Install Kit

$1,843.00Free shipping
12KBTU
230VPower
23.5SEER
  • Free shipping · ships same day with tracking
  • 7-yr compressor / 5-yr parts warranty
  • No vacuum pump or special tools
  • Real install help from people who've done it
Overview

The MRCOOL® DIY® 12K BTU 208/230V Hyper Heat 23.5 SEER Ductless Heat Pump Single Zone Mini Split Condenser delivers powerful, high-efficiency climate control with simple do-it-yourself installation—no special tools, training, or professional assistance required. It’s ideal for heating and cooling spaces between 350–550 sq. ft., and is compatible with both our sleek wall-mounted air handlers and the low-profile DIY® OuttaSight® Ceiling Cassette.

Installation is fast and straightforward thanks to the 25-foot QuickConnect® line set, filled with environmentally-friendly R-454B refrigerant—eliminating the need for vacuuming or handling refrigerant. The included DIYPRO® cable enhances system protection, replacing traditional electrical conduit to guard against weather, pests, and yardwork damage.

Enjoy flexible control with multiple options: the included remote, the SmartHVAC app for iOS and Android devices, or voice control through Amazon Alexa and Google Assistant. The corrosion-resistant Gold Fin® condenser coating is designed for durability, making it ideal for both inland and coastal environments.

This system is loaded with smart features, including Auto-Restart to maintain continuity of comfort after power loss, a programmable Timer to correspond to your schedule, and the Sleep function, which increases efficiency while you sleep.

For peace of mind, the unit comes standard with a 7-year compressor and 5-year parts warranty with eligibility for the MRCOOL® Care Program. Enjoy dependable, hassle-free comfort year-round with The MRCOOL® DIY® 12K BTU Hyper Heat Single Zone Mini Split Condenser.

Shipping & returns

Free shipping on every order. Orders ship same day with tracking. Questions about returns? Contact us before you ship anything back.

How it goes in

Four steps. One weekend.

  1. Hang the air handler

    Level the wall plate, drill the pass-through, and hang the indoor unit.

    Indoor
  2. Set the condenser

    Place the outdoor unit on a pad or wall bracket with clearance to breathe.

    Outdoor
  3. Connect the lines

    Run the pre-charged Quick Connect® line set and hand-tighten both ends.

    Lines
  4. Power up

    Hook up the dedicated circuit, pair the SmartHVAC app, done.

    Power

Electrical hookup must follow local code.