{"product_id":"hitachi-rad-gj18qhaa-18-000-btu-concealed-horizontal-ducted-indoor-unit-r32","title":"Hitachi RAD-GJ18QHAA 18,000 BTU Concealed Horizontal Ducted Indoor Unit - R32","description":"\u003cp\u003e\u003cstrong\u003eHitachi RAD-GJ18QHAA – 18,000 BTU Indoor Ducted Mini-Split Unit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDeliver powerful, efficient comfort for larger residential or light commercial spaces with the \u003cstrong\u003eHitachi RAD-GJ18QHAA\u003c\/strong\u003e, an 18,000 BTU indoor ducted mini-split unit designed to deliver premium year-round heating and cooling when paired with compatible outdoor heat pump systems. Part of Hitachi’s \u003cem\u003eairHome Multi\u003c\/em\u003e ducted series, this indoor unit combines high-efficiency performance with quiet operation and modern convenience through concealed installation, making it ideal for spaces where aesthetics and comfort are both priorities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal for Concealed \u0026amp; Multi-Zone Systems\u003c\/strong\u003e\u003cbr\u003eThe RAD-GJ18QHAA supports flexible single- or multi-zone ducted configurations when connected to a compatible Hitachi outdoor unit, allowing tailored comfort distribution through ductwork. Its design makes it suitable for larger living areas, master bedrooms, offices, or commercial zones where unobtrusive airflow delivery is preferred.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuiet, Balanced Airflow \u0026amp; Efficient Performance\u003c\/strong\u003e\u003cbr\u003eEngineered with multiple fan speed settings, this unit provides balanced airflow for consistent temperature control throughout conditioned spaces. Indoor sound pressure levels are designed to be quiet for a comfortable environment, with typical cooling noise around \u003cstrong\u003e39 dB(A)\u003c\/strong\u003e and heating around \u003cstrong\u003e40 dB(A)\u003c\/strong\u003e for minimal disruption. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConcealed Ducted Design\u003c\/strong\u003e\u003cbr\u003eDesigned for installation above ceilings or within utility spaces, the RAD-GJ18QHAA features a slim ducted profile measuring approximately \u003cstrong\u003e10.62″ high × 35.43″ wide × 28.34″ deep\u003c\/strong\u003e, allowing it to integrate discreetly into interior architecture while delivering effective conditioned air through connected ductwork. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Refrigerant \u0026amp; Compatibility\u003c\/strong\u003e\u003cbr\u003eUsing eco-friendly \u003cstrong\u003eR-32 refrigerant\u003c\/strong\u003e, this Hitachi indoor unit promotes improved energy performance and lower environmental impact. It uses standard copper refrigerant piping with \u003cstrong\u003e1\/4″ liquid line and 1\/2″ suction\/gas line connections\u003c\/strong\u003e for efficient heat transfer and system compatibility with Hitachi outdoor heat pump units. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile Comfort Control\u003c\/strong\u003e\u003cbr\u003eCompatible with a range of optional control accessories — including wired or wireless remotes, Wi-Fi adapters (sold separately), and advanced interface options — the RAD-GJ18QHAA allows flexible management of temperature settings, fan speeds, and operating modes to match individual comfort preferences and zoning needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Construction \u0026amp; Easy Integration\u003c\/strong\u003e\u003cbr\u003eBuilt with quality components and engineered for dependable long-term operation, this ducted unit is designed for reliable performance when installed by qualified HVAC professionals. Its construction supports routine service access and standard ductwork connections for straightforward integration into new or existing systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal Use Cases\u003c\/strong\u003e\u003cbr\u003ePerfect for homes, condos, offices, and commercial spaces requiring quiet, efficient heating and cooling with flexible zoning and concealed airflow delivery, the RAD-GJ18QHAA provides dependable comfort without visible wall units, supporting both residential and light commercial applications with balanced performance and modern convenience. \u003c\/p\u003e","brand":"Hitachi","offers":[{"title":"Default Title","offer_id":47559754023169,"sku":"RAD-GJ18QHAA","price":1070.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/6896\/7937\/files\/RAD-GJ07QHAA.png?v=1769473220","url":"https:\/\/tradeprosupply.com\/products\/hitachi-rad-gj18qhaa-18-000-btu-concealed-horizontal-ducted-indoor-unit-r32","provider":"TradePro Supply","version":"1.0","type":"link"}