Air Dominion 18,000 BTU 21.4 SEER2 Single Zone Cold Climate Wall-Mounted Mini Split Heat Pump System

This contractor-ready product summary pairs a premium wall-mounted indoor unit and matched cold-climate 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
• 21.4 SEER2 listed efficiency
• Coverage of about 600 to 1,000 sq. ft. in properly matched spaces
• Low-temperature heating operation down to -22 F with intelligent defrost
• Built-in Wi-Fi control with app, voice-assistant support, timer, and sleep mode
• Indoor sound levels of 19.5-49.5 dBA across fan speeds
• Cold-climate rated: cooling and heating operation from -22 F to 122 F outdoor
• Full-capacity heating maintained at 5 F (18,000 BTU published)
• Line set length selected at quote (15 to 50 ft, with control wire)

Specification Table

Included Equipment

• Wall-mounted indoor air handler
• Outdoor low-ambient condenser with base-pan heater
• Handheld wireless remote control
• 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.
• Cold-climate installations should confirm base-pan heater operation, condensate management, and elevated mounting during quote review.
• Maximum refrigerant piping length 98 ft; additional charge required beyond the pre-charged length.

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.

Documents

• Product Submittal Summary (PDF)
• Dimensional & Fit Reference (PDF)
• Installation & Warranty Reference (PDF)

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

Support and request quote workflows stay available throughout specification and order planning.