{"product_id":"mitsubishi-sez-ad15nl-15-000-btu-horizontal-ducted-indoor-unit","title":"Mitsubishi SEZ-AD15NL 15,000 BTU Horizontal Ducted Indoor Unit - R454B - SEZAD15NL","description":"\u003ch2 data-end=\"334\" data-start=\"99\"\u003eMitsubishi SEZ-AD15NL 15,000 BTU Horizontal Ducted Indoor Unit - R454B - SEZAD15NL\u003c\/h2\u003e\n\u003cp data-end=\"334\" data-start=\"99\"\u003e\u003cbr data-end=\"169\" data-start=\"166\"\u003eMaximize comfort with the Mitsubishi SEZ‑AD15NL, a powerful, low-profile ducted indoor unit designed for discreet climate control in compact or hard-to-reach spaces.\u003c\/p\u003e\n\u003cp data-end=\"551\" data-start=\"336\"\u003e\u003cstrong data-end=\"365\" data-start=\"336\"\u003eSlim, Space-Saving Design\u003c\/strong\u003e\u003cbr data-end=\"368\" data-start=\"365\"\u003eMeasuring just 7-7\/8\" in height, the SEZ‑AD15NL fits easily above ceilings or in soffits—ideal for retrofits, apartments, offices, or custom residential spaces where space is limited.\u003c\/p\u003e\n\u003cp data-end=\"750\" data-start=\"553\"\u003e\u003cstrong data-end=\"584\" data-start=\"553\"\u003eHigh-Efficiency Performance\u003c\/strong\u003e\u003cbr data-end=\"587\" data-start=\"584\"\u003eDelivers 14,100 BTU of cooling and heating using INVERTER-driven technology. Whisper-quiet operation as low as 23 dB(A) ensures uninterrupted comfort day or night.\u003c\/p\u003e\n\u003cp data-end=\"958\" data-start=\"752\"\u003e\u003cstrong data-end=\"781\" data-start=\"752\"\u003eVersatile Ducted Solution\u003c\/strong\u003e\u003cbr data-end=\"784\" data-start=\"781\"\u003eSupports short-run ductwork for single or multiple zones. Adjustable static pressure settings and built-in drain pump provide installation flexibility and reliable operation.\u003c\/p\u003e\n\u003cp data-end=\"1136\" data-start=\"960\"\u003e\u003cstrong data-end=\"988\" data-start=\"960\"\u003eAdvanced Control Options\u003c\/strong\u003e\u003cbr data-end=\"991\" data-start=\"988\"\u003eCompatible with wired and wireless Mitsubishi remotes, plus the kumo cloud® app for smartphone control, scheduling, and monitoring from anywhere.\u003c\/p\u003e\n\u003cp data-end=\"1304\" data-start=\"1138\"\u003e\u003cstrong data-end=\"1168\" data-start=\"1138\"\u003eOutdoor Unit Compatibility\u003c\/strong\u003e\u003cbr data-end=\"1171\" data-start=\"1168\"\u003ePairs with Mitsubishi outdoor units like the SUZ‑AA15NL and SUZ‑AA15NLHZ to form a high-performance, energy-efficient system tailored to your needs.\u003c\/p\u003e\n\u003cp data-end=\"1474\" data-start=\"1306\"\u003e\u003cstrong data-end=\"1336\" data-start=\"1306\"\u003eTrusted Mitsubishi Quality\u003c\/strong\u003e\u003cbr data-end=\"1339\" data-start=\"1336\"\u003eBacked by Mitsubishi’s industry-leading warranty when installed and registered by a licensed contractor—ensuring lasting peace of mind.\u003c\/p\u003e\n\u003ch5 class=\"grid__item medium-up--one-half\"\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1nti7pg\" data-start=\"27\" data-end=\"329\"\u003e\n\u003cp data-start=\"29\" data-end=\"329\"\u003e\u003cstrong data-start=\"29\" data-end=\"75\"\u003ePerfect for concealed ducted installations\u003c\/strong\u003e\u003cbr data-start=\"75\" data-end=\"78\"\u003eThe \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eMitsubishi SEZ-AD15NL 15,000 BTU Horizontal Ducted Indoor Unit\u003c\/span\u003e\u003c\/span\u003e is designed to be hidden above ceilings, in attics, or soffits, delivering conditioned air through short duct runs while keeping the equipment completely out of sight. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14dmh3a\" data-start=\"331\" data-end=\"608\"\u003e\n\u003cp data-start=\"333\" data-end=\"608\"\u003e\u003cstrong data-start=\"333\" data-end=\"370\"\u003eIdeal capacity for mid-size zones\u003c\/strong\u003e\u003cbr data-start=\"370\" data-end=\"373\"\u003eWith \u003cstrong data-start=\"380\" data-end=\"441\"\u003e15,000 BTU cooling capacity and up to ~18,000 BTU heating\u003c\/strong\u003e, this unit is well suited for spaces around \u003cstrong data-start=\"486\" data-end=\"505\" data-is-only-node=\"\"\u003e500–650 sq. ft.\u003c\/strong\u003e, such as large bedrooms, basements, studios, or small offices. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1u89ix9\" data-start=\"610\" data-end=\"865\"\u003e\n\u003cp data-start=\"612\" data-end=\"865\"\u003e\u003cstrong data-start=\"612\" data-end=\"651\"\u003eUltra-slim profile for tight spaces\u003c\/strong\u003e\u003cbr data-start=\"651\" data-end=\"654\"\u003eAt only \u003cstrong data-start=\"664\" data-end=\"685\"\u003e7-7\/8 inches high\u003c\/strong\u003e, the compact cabinet fits easily between ceiling joists or inside shallow mechanical areas where traditional ducted air handlers won’t fit. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vb71kr\" data-start=\"867\" data-end=\"1089\"\u003e\n\u003cp data-start=\"869\" data-end=\"1089\"\u003e\u003cstrong data-start=\"869\" data-end=\"901\"\u003eWhisper-quiet indoor comfort\u003c\/strong\u003e\u003cbr data-start=\"901\" data-end=\"904\"\u003eOperating around \u003cstrong data-start=\"923\" data-end=\"938\"\u003e30–37 dB(A)\u003c\/strong\u003e, this ducted unit runs quietly in the background—ideal for bedrooms, offices, and other noise-sensitive areas. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tdr1jd\" data-start=\"1091\" data-end=\"1328\"\u003e\n\u003cp data-start=\"1093\" data-end=\"1328\"\u003e\u003cstrong data-start=\"1093\" data-end=\"1136\"\u003eFlexible airflow and duct configuration\u003c\/strong\u003e\u003cbr data-start=\"1136\" data-end=\"1139\"\u003eWith \u003cstrong data-start=\"1146\" data-end=\"1169\"\u003e353–529 CFM airflow\u003c\/strong\u003e and low-static pressure design, it distributes air efficiently through short duct runs to serve one or multiple rooms. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1luum5d\" data-start=\"1330\" data-end=\"1532\"\u003e\n\u003cp data-start=\"1332\" data-end=\"1532\"\u003e\u003cstrong data-start=\"1332\" data-end=\"1365\"\u003eBuilt-in condensate lift pump\u003c\/strong\u003e\u003cbr data-start=\"1365\" data-end=\"1368\"\u003eThe integrated drain pump simplifies installation and allows condensate removal even when gravity drainage isn’t possible. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"x4y4rm\" data-start=\"1534\" data-end=\"1794\"\u003e\n\u003cp data-start=\"1536\" data-end=\"1794\"\u003e\u003cstrong data-start=\"1536\" data-end=\"1587\"\u003eNext-generation R454B refrigerant compatibility\u003c\/strong\u003e\u003cbr data-start=\"1587\" data-end=\"1590\"\u003eDesigned for systems using \u003cstrong data-start=\"1619\" data-end=\"1648\"\u003eR454B low-GWP refrigerant\u003c\/strong\u003e, helping meet modern environmental standards while maintaining efficient heating and cooling performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wg8xoh\" data-start=\"1796\" data-end=\"2066\"\u003e\n\u003cp data-start=\"1798\" data-end=\"2066\"\u003e\u003cstrong data-start=\"1798\" data-end=\"1840\"\u003eSmart control and system compatibility\u003c\/strong\u003e\u003cbr data-start=\"1840\" data-end=\"1843\"\u003eWorks with \u003cstrong data-start=\"1856\" data-end=\"1934\"\u003ewired and wireless controllers, smart thermostats, and the kumo cloud app\u003c\/strong\u003e, allowing remote control and integration with Mitsubishi single-zone or multi-zone system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"grid__item medium-up--one-half\"\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"90\" data-end=\"425\"\u003e\u003cstrong data-start=\"90\" data-end=\"143\"\u003eQ: What is the Mitsubishi SEZ-AD15NL indoor unit?\u003c\/strong\u003e\u003cbr data-start=\"143\" data-end=\"146\"\u003eA: The SEZ-AD15NL is a \u003cstrong data-start=\"169\" data-end=\"230\"\u003e15,000 BTU concealed horizontal ducted indoor air handler\u003c\/strong\u003e designed for Mitsubishi ducted mini-split systems. It installs above ceilings or in soffits to deliver hidden heating and cooling through short duct runs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"427\" data-end=\"670\"\u003e\u003cstrong data-start=\"427\" data-end=\"480\"\u003eQ: What room size is the SEZ-AD15NL suitable for?\u003c\/strong\u003e\u003cbr data-start=\"480\" data-end=\"483\"\u003eA: A 15,000 BTU ducted mini-split system typically conditions spaces up to \u003cstrong data-start=\"558\" data-end=\"583\"\u003eabout 600–650 sq. ft.\u003c\/strong\u003e, depending on insulation, climate, and layout. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"672\" data-end=\"942\"\u003e\u003cstrong data-start=\"672\" data-end=\"720\"\u003eQ: What refrigerant does the SEZ-AD15NL use?\u003c\/strong\u003e\u003cbr data-start=\"720\" data-end=\"723\"\u003eA: This indoor unit is designed for systems using \u003cstrong data-start=\"773\" data-end=\"794\"\u003eR454B refrigerant\u003c\/strong\u003e, a newer low-GWP refrigerant that reduces environmental impact while maintaining strong system performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"944\" data-end=\"1174\"\u003e\u003cstrong data-start=\"944\" data-end=\"991\"\u003eQ: How quiet is the SEZ-AD15NL indoor unit?\u003c\/strong\u003e\u003cbr data-start=\"991\" data-end=\"994\"\u003eA: The unit operates at approximately \u003cstrong data-start=\"1032\" data-end=\"1047\"\u003e30–37 dB(A)\u003c\/strong\u003e, providing whisper-quiet performance suitable for bedrooms, offices, and living areas. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1176\" data-end=\"1442\"\u003e\u003cstrong data-start=\"1176\" data-end=\"1234\"\u003eQ: What makes this ducted indoor unit easy to install?\u003c\/strong\u003e\u003cbr data-start=\"1234\" data-end=\"1237\"\u003eA: The SEZ-AD15NL features an \u003cstrong data-start=\"1267\" data-end=\"1299\"\u003eultra-slim 7-7\/8 inch height\u003c\/strong\u003e, allowing it to fit in tight ceiling cavities or soffits where traditional ducted systems may not fit. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1444\" data-end=\"1664\"\u003e\u003cstrong data-start=\"1444\" data-end=\"1497\"\u003eQ: Does the SEZ-AD15NL include a condensate pump?\u003c\/strong\u003e\u003cbr data-start=\"1497\" data-end=\"1500\"\u003eA: Yes. It comes with a \u003cstrong data-start=\"1524\" data-end=\"1566\"\u003efactory-installed condensate lift pump\u003c\/strong\u003e, simplifying drainage in concealed ceiling installations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1666\" data-end=\"1915\"\u003e\u003cstrong data-start=\"1666\" data-end=\"1725\"\u003eQ: What airflow capacity does this indoor unit provide?\u003c\/strong\u003e\u003cbr data-start=\"1725\" data-end=\"1728\"\u003eA: The SEZ-AD15NL delivers airflow ranging from \u003cstrong data-start=\"1776\" data-end=\"1808\"\u003eapproximately 353 to 529 CFM\u003c\/strong\u003e, supporting efficient air distribution through short duct systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1917\" data-end=\"2171\"\u003e\u003cstrong data-start=\"1917\" data-end=\"1966\"\u003eQ: Can the SEZ-AD15NL be controlled remotely?\u003c\/strong\u003e\u003cbr data-start=\"1966\" data-end=\"1969\"\u003eA: Yes. It supports \u003cstrong data-start=\"1989\" data-end=\"2079\"\u003ewired controllers, wireless remotes, and smart control via Mitsubishi’s kumo cloud app\u003c\/strong\u003e, allowing convenient remote temperature management. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2173\" data-end=\"2425\"\u003e\u003cstrong data-start=\"2173\" data-end=\"2234\"\u003eQ: What outdoor units are compatible with the SEZ-AD15NL?\u003c\/strong\u003e\u003cbr data-start=\"2234\" data-end=\"2237\"\u003eA: It typically pairs with Mitsubishi \u003cstrong data-start=\"2275\" data-end=\"2326\"\u003eSUZ-AA15NL or SUZ-AA15NLHZ heat pump condensers\u003c\/strong\u003e to create a complete single-zone ducted mini-split system. \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_2g_\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 class=\"grid__item medium-up--one-half\"\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"i2puvv\" data-start=\"218\" data-end=\"450\"\u003e\n\u003cp data-start=\"220\" data-end=\"450\"\u003e\u003cstrong data-start=\"220\" data-end=\"263\"\u003eClean or Replace Air Filters Regularly:\u003c\/strong\u003e Check filters every 1–3 months to maintain proper airflow and indoor air quality. Dirty filters can reduce efficiency and strain the blower motor. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"174qzb3\" data-start=\"451\" data-end=\"657\"\u003e\n\u003cp data-start=\"453\" data-end=\"657\"\u003e\u003cstrong data-start=\"453\" data-end=\"483\"\u003eInspect and Seal Ductwork:\u003c\/strong\u003e Periodically check ducts for leaks, obstructions, or loose connections to ensure consistent airflow throughout the conditioned space. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"excsqg\" data-start=\"658\" data-end=\"866\"\u003e\n\u003cp data-start=\"660\" data-end=\"866\"\u003e\u003cstrong data-start=\"660\" data-end=\"697\"\u003eKeep Condensate Drain Line Clear:\u003c\/strong\u003e The unit includes a built-in condensate lift pump—ensure the drain line remains unobstructed to prevent water leaks or overflow. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19zk95w\" data-start=\"867\" data-end=\"1079\"\u003e\n\u003cp data-start=\"869\" data-end=\"1079\"\u003e\u003cstrong data-start=\"869\" data-end=\"906\"\u003eClean the Indoor Coil and Blower:\u003c\/strong\u003e Dust buildup on coils or fan blades can reduce cooling efficiency and airflow. Gently clean or have them serviced if buildup occurs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17wzedn\" data-start=\"1080\" data-end=\"1273\"\u003e\n\u003cp data-start=\"1082\" data-end=\"1273\"\u003e\u003cstrong data-start=\"1082\" data-end=\"1110\"\u003eMaintain Service Access:\u003c\/strong\u003e Ensure adequate clearance around the unit for inspection and maintenance, especially when installed in ceilings or attics. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gwx562\" data-start=\"1274\" data-end=\"1467\"\u003e\n\u003cp data-start=\"1276\" data-end=\"1467\"\u003e\u003cstrong data-start=\"1276\" data-end=\"1309\"\u003eSchedule Annual HVAC Service:\u003c\/strong\u003e A licensed technician should inspect refrigerant levels, electrical components, and system performance once per year.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mitsubishi","offers":[{"title":"Default Title","offer_id":43533461422154,"sku":"SEZAD15NL","price":1110.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/2387\/2074\/files\/sez-ad_2.png?v=1776877169","url":"https:\/\/wen0d6-q0.myshopify.com\/es\/products\/mitsubishi-sez-ad15nl-15-000-btu-horizontal-ducted-indoor-unit","provider":"Power Gear for Every Journey","version":"1.0","type":"link"}