Part of this kit — included in the price above.

Pioneer® Diamante Pro™ 18,000 BTU 21 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit

Pioneer® Diamante Pro™ 18,000 BTU 21 SEER2 230V High-Wall Ductless Mini-Split Air Conditioner Inverter Heat Pump with 16 Ft. Kit

Pioneer| SKU: WYT018GLSI20RL In Stock

$1,138.00$1,629.0030% off

Payment plans

From $94.83/mo with shop Pay View sample plans

$31.61/mo with Paytomorrow Learn More

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Free Delivery Jul 26-Aug 2 (Est.)
Optional accessories

Add common accessories before checkout.

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 · $149Add two years of optional service contract coverage. 5-year protection · $299Add 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

Product overview

Stay cool in summer and cozy in winter with the Diamante Pro™ Ductless Mini Split—designed for powerful comfort and energy savings all year.

❄️ Powerful Cooling & Heating
Enjoy up to 18,000 BTU/H for both cooling and heating, making it perfect for rooms from 500 to 750 sq ft.

🌱 Energy Efficient Performance
With advanced DC inverter technology and up to 21 SEER2 efficiency, you save energy while staying comfortable.

🛠️ Easy Control & Maintenance
Switch between multiple modes, use convenient remote features, and breathe easier with washable, reusable air filters.

Upgrade your home comfort now—experience top efficiency, excellent results, and simple convenience with the Diamante Pro™ Mini Split Heat Pump System today!

In-stock systems ship fast and free with curbside freight delivery, typically arriving in 4–10 days. Please inspect each box at delivery and note any damage on the receipt before signing — it keeps any freight claim quick and simple.

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At a glance

Tech specs

Condenser capacity18K BTU
Efficiency21 SEER2
Power230 Volt
Line set16 Ft
BrandPioneer

Sizing in doubt? Our HVAC experts confirm capacity for your rooms before you order — free. Ask us about utility rebates for high-efficiency heat pumps in your area.