Hisense as-12uw3svedl Wall Mount Idu 12000 Btu 18 Seer 230V

Product Description

The HISENSE as-12uw3svedl is a wall-mounted indoor unit (IDU) designed for ductless mini-split cooling and heating systems. Rated at 12,000 BTU/h with an 18 SEER efficiency rating, this unit operates on 230 volts and delivers quiet, zone-specific climate control. The wall-mounted form factor keeps floor space clear and allows for flexible room-level installation. HVAC technicians install this IDU as the interior component of a split system, pairing it with a compatible outdoor condensing unit to complete the refrigerant circuit. It is suited for residential and light-commercial applications where zoned comfort and high efficiency are priorities.

This indoor unit is intended for wall-mounted ductless mini-split installations in single-zone configurations. Typical applications include bedrooms, living areas, offices, server rooms, and additions where extending existing ductwork is not practical. At 12,000 BTU/h, it is sized for spaces generally up to approximately 550 square feet depending on local load conditions. The 18 SEER rating meets or exceeds regional efficiency standards applicable in most U.S. climate zones, making it a viable choice where minimum efficiency requirements are enforced.

Key Features

• 12,000 BTU/h cooling capacity for single-zone ductless applications
• 18 SEER efficiency rating meets current regional energy standards
• 230-volt operation compatible with standard residential and light-commercial electrical supply
• Wall-mounted design preserves floor space and allows high-wall airflow distribution
• Indoor unit component of a ductless split system requiring a matched outdoor unit

Compatibility

Designed as an OEM-style wall-mounted indoor unit for ductless mini-split systems requiring a 12,000 BTU/h, 18 SEER, 230-volt indoor air handler. Pair with a compatible HISENSE outdoor condensing unit rated for this indoor unit.

Installation Notes

Installation should be performed by a licensed HVAC technician holding an EPA 608 certification, as this work involves handling refrigerants and making line-set connections. Shut off all power at the breaker before making any electrical connections, and verify supply voltage matches the unit rating of 230 volts before energizing. The wall bracket must be mounted to structural framing capable of supporting the unit weight, and the refrigerant line set must be properly flared, evacuated, and leak-tested before startup. Refer to local mechanical and electrical codes, including applicable sections of the IRC and NEC, for installation requirements.

Technical Specifications

• Cooling Capacity: 12,000 BTU/h
• SEER Rating: 18 SEER
• Voltage: 230 volts
• Unit Type: Wall Mounted Indoor Unit (IDU)
• System Type: Ductless Mini-Split

Standard Information

• Brand: HISENSE
• Manufacturer Part Number: as-12uw3svedl