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MRCOOL 18,000 BTU 22.5 SEER2 Heat Pump Condenser

Model: DIY-18-HP-C-230D25-O

$2,356.20

Condition: NewFree Shipping
In stock · ships in 1–2 business days

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4.9 out of 5 from verified customer reviews Read reviews →
ShippingShips in 1–2 business days. This item ships by parcel carrier. Free shipping on orders over $99. Shipping & returns
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Product Details

Model Number
DIY-18-HP-C-230D25-O
Brand
MRCOOL
Condition
New

Description

The DIY-18-HP-C-230D25-O — MRCOOL 18,000 BTU 22.5 SEER2 Heat Pump Condenser – DIY-18-HP-C-230D25-O — is stocked and shipped by Buy Comfort Direct. Specifications, fitment notes and ordering details are below; call (877) 843-4822 if you need it matched to your equipment first.

About the DIY-18-HP-C-230D25-O

MRCOOL 18,000 BTU 22.5 SEER2 Heat Pump Condenser – DIY-18-HP-C-230D25-O

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MRCOOL 18,000 BTU 22.5 SEER2 Heat Pump Condenser – DIY-18-HP-C-230D25-O

Tackling an HVAC installation yourself may seem daunting, but the 5th Generation MRCOOL® DIY® 18k BTU 22.5 SEER Ductless Heat Pump Single Zone Mini Split Condenser is built to make the process straightforward and hassle-free. This unit is perfect for heating or cooling spaces ranging from 500 to 700 square feet, and is designed specifically for homeowners—no special tools or prior experience needed.
The system comes with a 25-foot Quick Connect® line set, pre-charged with R-454B refrigerant, which means there’s no need to vacuum the lines. This makes the installation process faster, safer, and more affordable.
You’ll enjoy flexible control options, including a handheld remote, the SmartHVAC app for iOS and Android, and compatibility with voice control through Amazon Alexa and Google Assistant. The Follow Me® feature helps maintain your ideal comfort by adjusting the temperature based on where the remote is located. Additionally, the corrosion-resistant Gold Fin® condenser coating is ideal for coastal environments, offering extra durability and extended performance.
With user-friendly features like Auto mode, programmable timers, and automatic restart after power outages, the system is engineered for efficiency and convenience.
The unit is backed by MRCOOL’s industry-leading support: a base warranty that includes 7-year compressor and 5-year parts coverage and eligibility for the MRCOOL® Care Program. It’s an innovative, reliable solution designed to put control and comfort directly in your hands.

Technical Specifications

Specification Value
Manufacturer MRCOOL
Model Number DIY-18-HP-C-230D25-O
Product Type Heat Pump Condenser
Series DIY 5th gen Single-Zone Mini-splits
Tonnage 1.5
Cooling Capacity 18,000 BTU
Heating Capacity 18,000 BTU
SEER2 22.5
EER2 13.7
Refrigerant R-454B
Voltage 208/230 V
Phase 1
Color White
Unit Dimensions 26.5″H x 35.04″W x 13.46″D
Shipping Weight 114.2 lb
Parts Warranty 5
Compressor Warranty 7

Compliance & Shipping Notices

  • WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Warranty Coverage

5
Year Parts Warranty

7
Year Compressor Warranty

5

Professional Installation Required

Certified HVAC technician installation ensures optimal performance, safety compliance, and full warranty protection.

✓

DOE Compliant Nationwide

This equipment meets Department of Energy efficiency requirements for residential HVAC installations across all U.S. climate zones.

Important: Check state and local codes and ordinances before purchasing. Product availability and compliance requirements may vary by region.

Where the DIY-18-HP-C-230D25-O fits

This is the outdoor condenser by itself. A working system also needs a matching indoor head and line set, so call before ordering if you are not sure of the pairing. At 18,000 BTU it is typically specified for roughly 700 to 1,000 square feet, but insulation, ceiling height and climate all move that figure, so check it against a load calculation. It runs on 230V and needs a dedicated 230V circuit. At 22.5 SEER2 it sits at the efficient end of this size class. The DIY line ships with pre-charged Quick Connect line sets — no vacuum pump, no refrigerant handling, no EPA 608 certification. Installing it yourself still keeps the 7-year compressor and 5-year parts coverage.

See the rest of the range in MRCOOL mini splits, or run the numbers with our HVAC sizing tool. Not sure what pairs with what? Call (877) 843-4822 and we will check it before you buy.

DIY-18-HP-C-230D25-O: fitment and resources

Equipment ratings are only valid as an AHRI-matched pairing; confirm the match before ordering. Our free HVAC system sizing tool gives a starting point for tonnage, and Background reading: the U.S. Department of Energy heat pump guide. Browse the rest of our DIY 5th Gen Single Zone or the MRCOOL catalog, and see what customers say on our reviews page.

Ordering and delivery

In-stock items ship fast; orders over $99 ship free. Large equipment travels by freight carrier and parts by ground, with tracking by email. Financing is available at checkout through Affirm, and contractors can set up a contractor account for trade pricing. Questions before you pay? Use the contact page or call (877) 843-4822.

DIY-18-HP-C-230D25-O FAQ

Does the DIY-18-HP-C-230D25-O ship free?

Yes on orders over $99 — most orders that include it qualify.

How do I know it fits my system?

Send us your equipment model number through the contact page or call (877) 843-4822 and we will confirm the match before it ships.

Additional information

Weight 114.20 lbs
Dimensions 0.00 × 0.00 × 0.00 in
System Type

Mini Split

Brand

MRCOOL

Tonnage

1.5 Ton

SEER2

22.5

Refrigerant

R-454B

Voltage

208/230V

Zones

1 Zone

Customer reviews

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