Air Dominion 18,000 BTU 20 SEER2 Single Zone Concealed Duct Mini Split Heat Pump System - front view

Air Dominion 18,000 BTU 20 SEER2 Single Zone Concealed Duct Mini Split Heat Pump System - alternate view

Product image note: Images are representative of product class and included accessory configuration. Final model, electrical requirements, and included components are confirmed during quote review.

Air Dominion

Air Dominion 18,000 BTU 20 SEER2 Single Zone Concealed Duct Mini Split Heat Pump System

Name: Air Dominion 18,000 BTU 20 SEER2 Single Zone Concealed Duct Mini Split Heat Pump System
Brand: Air Dominion
SKU: AD-HVAC-SZCD-18K-230-1Z-20S2-15

SKU: AD-HVAC-SZCD-18K-230-1Z-20S2-15

Line Set

15 ft 25 ft 35 ft 50 ft

Reviewed pricing, lead time, freight, and final configuration are confirmed during quote review before order release.

This contractor-ready product summary pairs a fully concealed ducted indoor unit and matched inverter condenser with 230V single-phase service, self-cleaning evaporator support, built-in Wi-Fi control, sleep mode, and low-noise operation, helping crews move from review to release with fewer scope gaps.

Highlights

18,000 BTU cooling and 18,000 BTU heating capacity for single-zone applications
20 SEER2 listed efficiency
Coverage of about 600 to 1,000 sq. ft. in properly matched spaces
Low-temperature heating operation down to -13 F with intelligent defrost
Built-in Wi-Fi control with app, voice-assistant support, timer, and sleep mode
Indoor sound levels of 29-40 dBA across fan speeds
Hides above a ceiling, below a floor, or behind a soffit with only registers visible
Adjustable static pressure from 0 to 0.8 in. w.g. supports up to 4 flex duct runs
Factory-installed condensate pump
Line set length selected at quote (15 to 50 ft, with control wire)

Specification Table

Cooling capacity	18,000 BTU
Heating capacity	18,000 BTU
Efficiency	20 SEER2, HSPF2 11.3, EER2 13.3
Voltage	230V nominal, 60Hz
Minimum circuit ampacity	18.0 A
Maximum breaker	20 A
Refrigerant	R454B
External static pressure	0-0.8 in. w.g.
Line set	15 / 25 / 35 / 50 ft insulated kit (selected at quote)
Indoor sound level	29-40 dBA
Coverage area	600-1,000 sq. ft.
Low-temperature operation	Cooling and heating to -13 F
Indoor dimensions	39.37 W x 29.53 D x 9.65 H in.
Outdoor dimensions	35.04 W x 26.50 H x 13.46 D in.
Warranty	12-year compressor / 7-year parts with online registration

Included Equipment

Concealed duct indoor air handler
Outdoor condenser
System controller (wall-mounted or handheld, confirmed during quote review)
Insulated copper line set kit with control wire (length per selected option)

Installation Notes

Confirm breaker sizing, disconnect requirements, mounting surface, pad or bracket selection, and condensate routing before release.
System sizing, installation, evacuation, charging verification, and commissioning should be completed by a qualified HVAC professional.
Review the final line-set route, accessory bundle, and electrical service during quote review before order release.
Electrical whip, disconnect, surge protection, and mounting pad or bracket are not included and are confirmed during quote review.
Line sets are field-connected flare fittings; evacuation and charge verification by the installing technician are required.
Flex ducting, register vents, plenums, and return-air provisions are field-supplied and confirmed during quote review.
Confirm service access to the concealed chassis and condensate pump before closing the cavity.

Warranty and Support

Published warranty coverage: 12-year compressor / 7-year parts with online registration
Self-diagnostics, sleep mode, turbo mode, and timer support are part of the control feature set
Final warranty registration and coverage documents are confirmed during quote review

Frequently Asked Questions

Is this a complete matched system?
Yes. This listing is structured as a reviewed product configuration with the indoor unit, outdoor condenser, controller, and the accessory configuration shown in the documents.

What size space is it typically used for?
The published specification summary supports applications of about 600 to 1,000 sq. ft., but final sizing should always follow room load, insulation conditions, and jobsite layout.

Does it support Wi-Fi controls?
Yes. The published specification summary identifies built-in Wi-Fi control with app and voice-assistant support along with timer and sleep mode operation.

What should be confirmed before ordering?
Verify voltage, breaker and disconnect requirements, line-set routing, mounting, and condensate path before release. Final configuration is confirmed during quote review.