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TOSOT 18,000 (9K+9K) BTU 21 SEER2 Dual Zone Mini Split Air Conditioner Heat Pump - 230V

TOSOT 18,000 BTU (9K + 9K) 21 SEER2 Dual Zone Mini Split Air Conditioner Heat Pump - 230V

TOSOT| SKU: TST-MZ-C18-D99 In Stock

$1,699.99$2,199.9923% off

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From $141.66/mo with shop Pay View sample plans

$47.22/mo with Paytomorrow Learn More

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Free Delivery Jul 25-Aug 1 (Est.)
Optional accessories

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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

TOSOT 18,000 (9K+9K) BTU 21 SEER2 Dual Zone Mini Split Air Conditioner Heat Pump - 230V

Tested by AHRI and Energy Star, this 21 SEER2-rated system can save you up to 50% on energy bills compared to units rated at 10 SEER2. Get reliable heating and cooling for up to 900 sq. ft. Our system boasts 21 SEER2 and COP 13 ratings, ensuring energy-efficient comfort throughout the year. This model performs exceptionally well year-round in hot southern states like Arizona or cold northern regions like Michigan, even under extreme heat (118°F) and ultra-cold (-22°F) weather conditions.

Features:

  • Energy Star certified: Rated at 21 SEER2 and COP 13
  • Noise level: 24-41dB
  • Works in harsh conditions (-22°F to 118°F)
  • WiFi control
  • All accessories included
  • R32 refrigerant
  • 5-year warranty
  • 2 x 16 Ft line sets

Installation & Guides:

Tech Specifications:

Model Number: GWHD(18)ND6MO
Style: Ductless Mini Split AC With Heat Pump
Number of Zones: 2
Power Supply: (V-Ph-Hz)208/230V, 60 Hz
SEER2: (Btu/h)/W21
EER: (Btu/h)/W12.00
COP: (Btu/h)/W13.33
HSPF2: 10
Cooling/ Heating Capacity: 18000 Btu/h
Rated current: (A)11
Rated Power Input: (kW)2.5
Max. Fuse: (A)25
Refrigerant Type: R32
Alexa/Google Home: Yes
Warranty: 5-Year

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 capacity18,000
Indoor unit(s)9K + 9K
Coverage area800 Sq Ft.
Zones / rooms2 Zones
Line setCustom
Mount typeWall
InstallationProfessional Installation
BrandTOSOT

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.