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MRCOOL Signature 1.5 Ton 18K BTU Split Air Conditioner Condenser, MCAESAS4T1821AA

MRCOOL Signature 1.5 Ton 18K BTU Split Air Conditioner Condenser, MCAESAS4T1821AA

MRCOOL| SKU: MCAESAS4T1821AA In Stock

$1,486.79$1,744.0015% off

Payment plans

From $123.89/mo with shop Pay View sample plans

$41.29/mo with Paytomorrow Learn More

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Amounts shown are maximums; actual savings depend on income, household size, utility, and program rules. Some programs require installation by a licensed or participating contractor and/or specific equipment efficiency ratings. Rebate data by Rewiring America. Not tax or legal advice — verify with the program before purchase. Questions? Call us at (888) 231-8920.

Free Delivery Jul 25-Aug 1 (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 all summer with the MRCOOL Signature Series 18k Condenser—your perfect blend of powerful cooling, efficiency, and quiet comfort.

❄️ High-Efficiency Cooling: Enjoy reliable temperature control with a strong 14.3 SEER2 and 11.7 EER2, helping keep your home comfortable and your energy bills low.

🌱 Eco-Friendly & Easy Setup: Comes pre-charged with the modern R-454B refrigerant, making installation quick, simple, and environmentally responsible.

🔇 Whisper-Quiet Operation: Operates at just 60 decibels with advanced sound-dampening, ensuring peaceful days and nights in your home environment.

Upgrade to lasting comfort and efficiency—choose MRCOOL Signature Series today and experience reliable, cool performance every season!

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
Efficiency14.3 SEER2
BrandMRCOOL

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.

Complete Your System

MRCOOL Signature 1.5 Ton 18K BTU Split Air Conditioner Condenser, MCAESAS4T1821AA
Electrical Kit
Outdoor condenser pad for mini split air conditioner
MRCOOL LineGuard 4.5" Complete Line Set Cover Kit - 12 ft
MRCOOL Wall Mounting Bracket for 9K, 12K & 18K Mini Split Condensers

Total Price: $1,486.79

This item: MRCOOL Signature 1.5 Ton 18K BTU Split Air Conditioner Condenser, MCAESAS4T1821AA $1,486.79