Matthew has been working with tools his entire life. Rebuilding his first engine at 15, he's spent years in the diesel mechanic industry, repaired complex conveyor systems, and mastered hands-on troubleshooting.
Having served as the sole Telebelt mechanic in the Midwest for three years, Matthew possesses deep, practical knowledge of heavy equipment and machinery.
If you’re unsure about what you need, he can walk you through the entire process — from choosing the right tool to securing the best price.
*Please Note: This timeline is an estimate. Certain products may require an additional 1 week for manufacturing. Please speak with your sales rep, Matthew, for official details and confirmation before placing your order.
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The 5th Generation MRCOOL® DIY® 18k BTU 22.5 SEER2 Ductless Heat Pump Mini Split Condenser delivers high-efficiency heating and cooling power designed specifically for homeowner installation. Engineered to comfortably regulate spaces between 500 and 700 sq. ft., this robust 1.5-ton outdoor unit eliminates the need for specialized tools, vacuum pumps, or professional HVAC training. Utilizing the latest eco-friendly R-454B refrigerant and featuring Gold Fin® corrosion-resistant coating, this advanced DC Inverter condenser provides professional-grade durability and uncompromising performance for demanding climates and residential applications.
MRCOOL 5th Gen DIY 18K BTU Condenser Applications
Primary heating and cooling for medium-to-large residential spaces, master suites, or additions between 500 and 700 sq. ft.
Climate control for home offices, multi-car garages, or spacious workshops.
Coastal or high-humidity installations requiring the advanced corrosion resistance of Gold Fin® coating.
System replacements or upgrades demanding the latest environmentally friendly R-454B refrigerant standards.
The perfect high-efficiency outdoor power plant for homeowners seeking commercial-grade 1.5-ton capacity without the exorbitant costs of professional HVAC contractor installation.
MRCOOL 5th Gen DIY 18K BTU Condenser Specifications
SKU
DIY-18-HP-C-230D25-O
UPC
840255586962
Capacity
18,000 BTU (1.5 Ton)
Efficiency Ratings
22.5 SEER2 / 13.7 EER2 / 11.5 HSPF2-4
Power Supply
208/230V / 60 Hz / 1-Phase
Min Circuit Ampacity / Max Fuse
18A / 20A
Refrigerant Type
R-454B (44.8 oz Volume)
Compressor Type
DC Inverter / Rotary
Noise Level (Outdoor)
58.5 dBA
Lineset Sizing
1/4" Liquid / 1/2" Suction (Max Length: 98.4 ft)
Net Dimensions (W×H×D)
35.04" × 26.5" × 13.46"
Net Weight
93.48 lbs
Certifications
Energy Star Certified, Intertek, UL Listed, ETL Listed, AHRI Certified
MRCOOL 5th Gen DIY 18K BTU Condenser Features & Technology
True DIY Installation: Integrates perfectly with MRCOOL pre-charged Quick Connect® line sets, allowing for safe setup without a vacuum pump.
Gold Fin® Condenser: Built to withstand the harshest elements, the anti-corrosive coating significantly extends the operational lifespan of the unit, especially near the coast.
Auto-Restart Function: Automatically retains previous operating settings and seamlessly resumes operation following a power outage.
Advanced DC Inverter: The variable-speed rotary compressor dynamically adjusts power output to maximize energy efficiency while maintaining exact temperature control.
DIYPRO® Cable Compatible: Designed to work seamlessly with the 5th Gen DIYPRO® communication cable, eliminating the need for traditional electrical conduit.
Delivers an incredible 1.5 Tons of heating and cooling power with an ultra-efficient, Energy Star certified 22.5 SEER2 rating.
Empowers you to completely bypass expensive professional HVAC labor and specialized tools.
Ensures long-term reliability in harsh climates with heavy-duty Gold Fin® construction.
Protected by an industry-leading 7-year compressor and 5-year parts warranty.
Combining cutting-edge inverter technology, massive output, and straightforward DIY installation, the MRCOOL® 18k 5th Gen Mini-Split Condenser offers a robust, worry-free solution for your home comfort needs.
Key Information
Order Cutoff Time: 2:00 PM EST
Order Handling Time: 1–3 business days (Monday–Friday)
Transit Time: 1–7 business days (Monday–Friday)
Total Estimated Delivery Time: 3–11 business days (Monday–Friday)
Shipping Availability: Free Shipping On Most Items In The Contiguous United States only