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MRCOOL Signature 3.5 Ton 42K BTU Central Ducted Heat Pump Split System, MCAEAMP4T4221AAHP

MRCOOL Signature 3.5 Ton 42K BTU Central Ducted Heat Pump Split System, MCAEAMP4T4221AAHP

MRCOOL| SKU: MCAESAS4T4221AA / MCAEAMPEF42C21AA In Stock

$3,560.96$4,445.0020% off

Payment plans

From $296.74/mo with shop Pay View sample plans

$98.91/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 25-31 (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

Experience ultimate home comfort with the MRCOOL Signature Series 42k Central Ducted Heat Pump—where cool relief meets unbeatable reliability!

🌱 Energy Efficient Performance: Enjoy incredible cooling while saving on your energy bills, thanks to a 14.3 SEER2 and 11.7 EER2 rating for smart, eco-friendly comfort.

🛠️ Easy Installation & Maintenance: Factory pre-charged refrigerant, accessible service valves, and a user-friendly design make setup and upkeep simple for homeowners.

🔇 Whisper-Quiet Operation: With a sound-dampening top and only 65 decibels of noise, keep your home peaceful and comfortable all year round.

Don’t miss your chance for cleaner, quieter, and more reliable home cooling—order the MRCOOL Signature Series Heat Pump 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 capacity42K BTU
Efficiency14.3 SEER2
Mount typeDucted
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.