Mr. Cool DIYHH-18-HP-C-230D25-O 18,000 BTU DIY Hyper Heat Heat Pump Outdoor Unit - R454B

MRCOOL® DIYHH-18-HP-C-230D25-O DIY® Hyper Heat 18K BTU 230V R-454B Single-Zone Ductless Mini-Split Condenser

The DIYHH-18-HP-C-230D25-O MRCOOL® DIY® Hyper Heat 18K BTU Single-Zone Ductless Mini-Split Condenser delivers exceptional year-round comfort with outstanding cold climate performance for spaces up to approximately 800 sq. ft. Designed for true DIY installation, this 5th Generation condenser pairs with a compatible MRCOOL® DIY® wall-mounted air handler or DIY® OuttaSight® Ceiling Cassette and utilizes a 25 ft. pre-charged Quick Connect® line set with environmentally friendly R-454B refrigerant , eliminating the need for vacuum pumps or specialized HVAC tools. With an impressive 22.7 SEER2 and 9.5 HSPF2-4 , this Hyper Heat system provides excellent energy efficiency while maintaining dependable heating performance in outdoor temperatures as low as -22°F . Built-in Wi-Fi compatibility allows system control through the SmartHVAC app , Amazon Alexa, and Google Assistant. Backed by a 7-year compressor warranty and 5-year parts warranty with registration, this condenser is an ideal solution for homeowners seeking premium DIY heating and cooling performance in even the coldest climates.

General Information

System Type: Single-zone ductless mini-split condenser
Model: DIYHH-18-HP-C-230D25-O MRCOOL® DIY® Hyper Heat 18K BTU
Capacity: 18,000 BTU Heating & Cooling
Coverage Area: Up to approximately 800 sq. ft.
Compatible Indoor Units: DIY-18-HP-WMAH-230D25-O wall-mounted air handler or DIYCASSETTE18HP-230D25-O OuttaSight® Ceiling Cassette
Efficiency Ratings: 22.7 SEER2 / 9.5 HSPF2-4 / 7.5 HSPF2-5
Voltage: 208/230V
Refrigerant: R-454B
Line Set: 25 ft. pre-charged Quick Connect® line set included

Key Features

Hyper Heat Performance: Delivers dependable heating in outdoor temperatures as low as -22°F

High Efficiency: 22.7 SEER2 and 9.5 HSPF2-4 provide exceptional energy savings and year-round comfort

DIY Installation: 25 ft. pre-charged Quick Connect® line set eliminates the need for vacuum pumps or refrigerant handling

Flexible Indoor Unit Compatibility: Works with compatible DIY® wall-mounted air handlers and DIY® OuttaSight® Ceiling Cassette indoor units

Eco-Friendly Refrigerant: Uses next-generation R-454B refrigerant with reduced environmental impact

Smart Controls: Compatible with the SmartHVAC app, Amazon Alexa, and Google Assistant

208/230V Operation: Designed for standard residential 208/230V electrical service

DIYPRO® Cable Included: Protective cable eliminates the need for traditional electrical conduit while helping guard against weather, pests, and yardwork damage

Warranty Protection: Registered 7-year compressor warranty and 5-year parts warranty

Included Components

• DIYHH-18-HP-C-230D25-O – 18,000 BTU Hyper Heat outdoor condenser

• 25 ft. pre-charged Quick Connect® line set

• DIYPRO® cable

Ideal For

Homeowners looking for a premium DIY-installed Hyper Heat condenser for cold climate applications. Ideal for pairing with a compatible MRCOOL® DIY® wall-mounted air handler or OuttaSight® Ceiling Cassette to provide efficient heating and cooling for living rooms, family rooms, garages, workshops, additions, and other spaces up to approximately 800 sq. ft. , even in extreme winter conditions.