GWHD(18)ND3JO

<p>The <strong>Ultra Heat GWHD18ND3JO</strong> is an <strong>18,000 BTU multi-room ductless inverter heat pump outdoor unit</strong> designed for dual-zone heating and cooling applications. This 2-port outdoor system supports up to <strong>two indoor units</strong>, making it suitable for homes, apartments, offices, additions, basements, and other spaces requiring independent room comfort control.</p><p>Built with <strong>G10 DC inverter technology</strong>, a <strong>two-stage / three-cylinder compressor</strong>, and intelligent defrost control, this system is engineered for high-efficiency operation and strong cold-climate heating performance. It provides rated cooling capacity of <strong>18,000 BTU/h</strong> and rated heating capacity of <strong>21,000 BTU/h</strong>, with heating operation down to <strong>-31°F / -35°C</strong> and cooling operation up to <strong>118°F / 48°C</strong>.</p><p>The unit includes automatic defrosting, compressor and chassis heaters, auto restart after power outages, multi-point diagnostics, and copper tubing with acrylic-resin coated aluminum fins for durability. With a rated efficiency of <strong>23.0 SEER</strong>, <strong>10.5 HSPF</strong>, and quiet outdoor operation at <strong>58 dB(A)</strong>, the GWHD18ND3JO is a strong option for high-efficiency residential or light-commercial ductless comfort systems.</p>