{"product_id":"mrcool-signature-series-3-5-ton-multi-position-air-handler-mcaeampef42c21aa","title":"MRCOOL Signature Series 3.5 Ton Multi-Position Air Handler | MCAEAMPEF42C21AA","description":"\u003cstyle\u003e:root{\n --hvx-golden:#FAA819;\n --hvx-slate:#262626;\n --hvx-ivory:#F4F1E6;\n --hvx-border:#e2e0d5;\n --hvx-card-bg:#ffffff;\n --hvx-muted:#5c5a52;\n }.hvx-desc{\n font-family:\"Articulat CF\",system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",sans-serif;\n color:var(--hvx-slate);\n line-height:1.6;\n background:var(--hvx-ivory);\n padding:18px 18px 20px;\n border-radius:16px;\n }.hvx-desc-header{\n border-radius:14px;\n padding:14px 16px;\n background:linear-gradient(120deg,var(--hvx-golden),var(--hvx-slate));\n color:#fff;\n margin:0 0 16px;\n box-shadow:0 10px 24px rgba(0,0,0,.22);\n display:flex;\n align-items:center;\n gap:12px;\n flex-wrap:wrap;\n }.hvx-header-text{display:flex;flex-direction:column;gap:4px;min-width:240px}.hvx-eyebrow{\n font-size:11px;\n letter-spacing:.14em;\n text-transform:uppercase;\n opacity:.9;\n }.hvx-title{\n margin:0;\n font-family:\"Anton\",\"Impact\",system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",sans-serif;\n font-size:22px;\n line-height:1.15;\n }.hvx-sub{\n margin:10px 0 0;\n font-size:14px;\n color:#3b3b3b;\n }.hvx-desc-card{\n border:1px solid var(--hvx-border);\n border-radius:14px;\n background:var(--hvx-card-bg);\n padding:16px 18px 18px;\n box-shadow:0 4px 12px rgba(0,0,0,.06);\n margin:14px 0;\n }.hvx-section-title{\n margin:0 0 8px;\n font-family:\"Anton\",\"Impact\",system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",sans-serif;\n font-size:17px;\n letter-spacing:.08em;\n text-transform:uppercase;\n color:var(--hvx-slate);\n display:inline-flex;\n align-items:center;\n gap:8px;\n }.hvx-section-title::after{\n content:\"\";\n flex:1;\n height:2px;\n border-radius:999px;\n background:linear-gradient(90deg,var(--hvx-golden),transparent);\n opacity:.9;\n }.hvx-badges{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 2px}.hvx-badge{\n font-size:12px;\n border:1px solid var(--hvx-border);\n border-radius:999px;\n padding:6px 10px;\n background:#fff;\n color:var(--hvx-slate);\n white-space:nowrap;\n }.hvx-cta{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 0}.hvx-cta a{\n display:inline-flex;\n align-items:center;\n gap:8px;\n padding:10px 14px;\n border-radius:12px;\n border:1px solid var(--hvx-border);\n background:#fff;\n text-decoration:none;\n color:var(--hvx-slate);\n font-size:14px;\n font-weight:600;\n }.hvx-cta a.primary{\n background:var(--hvx-slate);\n color:#fff;\n border-color:transparent;\n }.hvx-grid{display:grid;grid-template-columns:1fr;gap:14px}\n @media(min-width:900px){.hvx-grid{grid-template-columns:1.15fr.85fr}}.hvx-list{margin:6px 0 10px;padding-left:18px;font-size:14px}.hvx-note{margin:8px 0 0;font-size:12px;color:var(--hvx-muted)}.hvx-kv{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}.hvx-kv\u003ediv{\n padding:10px 10px;\n border:1px solid var(--hvx-border);\n border-radius:12px;\n background:#fff;\n text-align:center;\n font-size:14px;\n }.hvx-table-wrap{width:100%;overflow-x:auto}.hvx-table{width:100%;border-collapse:collapse;font-size:13px;min-width:520px}.hvx-th,.hvx-td{border:1px solid var(--hvx-border);padding:9px 11px;text-align:left;vertical-align:top;line-height:1.45}.hvx-th{background:#f7f3e8;color:var(--hvx-slate);width:28ch;font-weight:700}\n\n details{border:1px solid var(--hvx-border);border-radius:12px;padding:12px 14px;background:#fff}\n summary{cursor:pointer;font-weight:800}.hvx-video{\n position:relative;\n width:100%;\n padding-top:56.25%;\n border-radius:12px;\n overflow:hidden;\n border:1px solid var(--hvx-border);\n background:#000;\n }.hvx-video iframe{\n position:absolute;\n inset:0;\n width:100%;\n height:100%;\n border:0;\n }\n\n @media(max-width:768px){.hvx-desc{padding:14px 12px 16px;border-radius:12px}.hvx-desc-header{padding:12px;border-radius:12px}.hvx-title{font-size:19px}.hvx-desc-card{padding:14px;margin:10px 0}\n }\n\u003c\/style\u003e\n\u003cdiv class=\"hvx-desc\"\u003e\n\u003cdiv class=\"hvx-desc-header\"\u003e\n\u003cdiv class=\"hvx-header-text\"\u003e\n\u003cdiv class=\"hvx-eyebrow\"\u003eMRCOOL — Air Handlers\u003c\/div\u003e\n\u003ch1 class=\"hvx-title\"\u003eMRCOOL Signature Series 3.5 Ton Multi-Position Air Handler | MCAEAMPEF42C21AA\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hvx-cta\" aria-label=\"Contact options\"\u003e\n\u003ca class=\"primary\" href=\"https:\/\/hvacsupplies.com\/pages\/contact\" rel=\"noopener\"\u003eContact for custom quotes\u003c\/a\u003e\n\u003ca href=\"tel:+18005438933\" aria-label=\"Call 800-543-8933\"\u003eCall 800-543-8933\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hvx-desc-card\"\u003e\n\u003ch1 class=\"hvx-section-title\"\u003eMRCOOL Signature Series 3.5 Ton Multi-Position Air Handler | MCAEAMPEF42C21AA\u003c\/h1\u003e\n\u003cp class=\"hvx-sub\"\u003e\u003c\/p\u003e\n\u003ch2 class=\"hvx-section-title\"\u003eSummary\u003c\/h2\u003e\n\u003cp class=\"hvx-sub\"\u003eThe MRCOOL® Signature Series 42k Multi-Position Air Handler is built to provide consistent, energy-efficient comfort in any climate. Designed for flexibility and performance, this unit works with R-454B refrigerant, a low-GWP alternative that helps reduce environmental impact without sacrificing power or reliability. Its multi-position design allows for installation in upflow, downflow, or horizontal configurations, making it ideal for a variety of home layouts, from new construction to tight retrofits. With its slim, space-saving profile, it fits easily into closets, attics, or crawl spaces while still delivering full-capacity heating and cooling when paired with a compatible condenser or heat pump. Engineered for durability, the air handler includes a galvanized steel cabinet, a high-efficiency ECM blower motor, and copper \"A\" coils with enhanced aluminum fins for superior heat transfer and humidity control. Thermal insulation inside the cabinet reduces energy loss and prevents condensation, contributing to quiet operation and lower energy bills. Installation is fast and simple, helping to minimize labor time and disruption. An air filter rack allows for easy maintenance, while an optional electric heat kit is available for added heating performance in colder regions. Smart home compatibility comes standard, with support for most third-party thermostats so you can manage comfort on your terms; no proprietary systems required. Protected by a 10-year limited parts warranty, the MRCOOL® Signature Series 42k Multi-Position Air Handler offers long-lasting performance, space-saving design, and year-round efficiency for today's comfort-conscious homeowner.\u003c\/p\u003e\n\u003cp class=\"hvx-sub\"\u003e\u003c\/p\u003e\n\u003ch2 class=\"hvx-section-title\"\u003e\u003cspan class=\"important\"\u003e\u003cstrong\u003eImportant\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"hvx-sub\"\u003e\u003cstrong\u003eAHRI certified\u003c\/strong\u003e- meets industry standards.\u003cstrong\u003eRegister your product\u003c\/strong\u003eto activate warranty coverage.\u003cstrong\u003eThis air handler contains R-454B refrigerant\u003c\/strong\u003e, which is classified as an A2L refrigerant. To comply with safety standards, this unit must be paired with an R-454B condenser equipped with a leakage detection system. Failure to comply with these requirements may result in safety hazards and could void the warranty.\u003c\/p\u003e\n\u003cp class=\"hvx-sub\"\u003e\u003c\/p\u003e\n\u003ch2 class=\"hvx-section-title\"\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"hvx-list\"\u003e\n\u003cli\u003e42,000 BTU capacity (3.5 Ton)\u003c\/li\u003e\n\u003cli\u003eMulti-position installation (upflow, downflow, horizontal)\u003c\/li\u003e\n\u003cli\u003eLow-GWP R-454B refrigerant\u003c\/li\u003e\n\u003cli\u003eHigh-efficiency ECM blower motor\u003c\/li\u003e\n\u003cli\u003eQuiet operation (54 dBA)\u003c\/li\u003e\n\u003cli\u003eDurable galvanized steel cabinet\u003c\/li\u003e\n\u003cli\u003eCopper \"A\" coils with enhanced aluminum fins\u003c\/li\u003e\n\u003cli\u003eBuilt-in air filter rack for easy maintenance\u003c\/li\u003e\n\u003cli\u003eCompatible with most third-party thermostats\u003c\/li\u003e\n\u003cli\u003eOptional electric heat kit available\u003c\/li\u003e\n\u003cli\u003eInternal thermal insulation\u003c\/li\u003e\n\u003cli\u003eAHRI certified\u003c\/li\u003e\n\u003cli\u003e5-speed blower motor for precise airflow control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"hvx-sub\"\u003e\u003c\/p\u003e\n\u003ch2 class=\"hvx-section-title\"\u003eComplete Technical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"hvx-table-wrap\"\u003e\u003ctable class=\"hvx-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eMRCOOL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eSignature Series Multi-Position Air Handler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eMCAEAMPEF42C21AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e840255595889\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eGTIN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e00840255595889\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eUnit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eAir Handler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eMulti-Position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eUL Listed, CSA Listed, ETL Listed, AHRI Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e42,000 BTU (3.5 Ton)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eCFM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e1254\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eRefrigerant\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eR-454B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eElectrical\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e208\/230V 1 Phase 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eMin Circuit Ampacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e7.2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eMax Fuse Breaker\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e10A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eBlower Motor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eECM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eBlower Motor HP\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e3\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eBlower Motor Speeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eBlower Motor RPM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e1040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eSound Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e54 dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eLiquid Line Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eSuction Line Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eDrain Connection Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eFilter Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eReplaceable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eFilter Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e18\" x 21\" x 1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eMetering Device\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eOrifice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eAuxiliary Heater Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eAuxiliary Heater Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eYes (5kW, 7.5kW, 10kW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eNet Dimensions (HxWxD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e45.75\" x 19.625\" x 22\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e131 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eShipping Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e47.875\" x 22.83\" x 25.6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e144 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2 class=\"hvx-section-title\"\u003ePerformance Features\u003c\/h2\u003e\n\u003cdiv class=\"hvx-table-wrap\"\u003e\u003ctable class=\"hvx-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eCompatible Equipment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eSignature Series Top Discharge Condensers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eInstallation Flexibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eMulti-position (upflow, downflow, horizontal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eRefrigerant\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eLow-GWP R-454B refrigerant for reduced environmental impact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eMotor Technology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eHigh-efficiency ECM blower motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eNoise Reduction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eQuiet operation (54 dBA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eCoil Technology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eCopper \"A\" coils with enhanced aluminum fins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eCabinet Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eDurable galvanized steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eSpeed Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003e5-speed motor for precise airflow adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eAirflow Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eHigh-capacity 1254 CFM for maximum performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eSmart Home Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eWorks with most third-party thermostats\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"hvx-td\"\u003e\u003cstrong\u003eHeating Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"hvx-td\"\u003eOptional electric heat kits (5kW, 7.5kW, 10kW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2 class=\"hvx-section-title\"\u003eWarranty Information\u003c\/h2\u003e\n\u003cul class=\"hvx-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegistered Warranty\u003c\/strong\u003e: 10 years parts, limited compressor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Warranty\u003c\/strong\u003e: 10 years parts, limited compressor\u003c\/li\u003e\n\u003cli\u003eRegistration may be required for full warranty coverage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"hvx-sub\"\u003e\u003c\/p\u003e\n\u003ch2 class=\"hvx-section-title\"\u003eManuals \u0026amp; Certifications\u003c\/h2\u003e\n\u003cul class=\"hvx-list\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/doxrepo.mrcool.com\/mc-ss-mpah-br-en.pdf\" rel=\"noopener\" target=\"_blank\"\u003eProduct Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/doxrepo.mrcool.com\/mc-ss-multi-AH-ap-im-um-en.pdf\" rel=\"noopener\" target=\"_blank\"\u003eInstallation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/doxrepo.mrcool.com\/mc-ss-AC-HP-ap-wr-en.pdf\" rel=\"noopener\" target=\"_blank\"\u003eWarranty Information\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"hvx-section-title\"\u003eSafety Information\u003c\/h2\u003e\n\u003cp class=\"hvx-sub\"\u003ePROPOSITION 65 WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.\u003c\/p\u003e\n\u003cp class=\"hvx-sub\"\u003e\u003c\/p\u003e\n\u003ch2 class=\"hvx-section-title\"\u003eAdvanced Technology\u003c\/h2\u003e\n\u003cp class=\"hvx-sub\"\u003eThe MRCOOL Signature Series 42k Multi-Position Air Handler features advanced ECM motor technology with a powerful 3\/4 HP motor that delivers superior energy efficiency and precise airflow control across five speed settings. The copper \"A\" coils with enhanced aluminum fins provide exceptional heat transfer and humidity control for optimal indoor comfort in larger residential and light commercial applications. The durable galvanized steel cabinet ensures long-lasting performance, while comprehensive thermal insulation minimizes energy loss and prevents condensation. Operating at just 54 decibels, this 3.5-ton air handler maintains remarkably quiet performance despite its substantial 1254 CFM airflow capacity. The ECM motor's intelligent operation automatically adjusts airflow to maintain optimal system performance, while compatibility with most third-party thermostats enables seamless integration into modern smart home ecosystems for complete comfort control.\u003c\/p\u003e\n\u003ch2 class=\"hvx-section-title\"\u003eInstallation Advantages\u003c\/h2\u003e\n\u003cp class=\"hvx-sub\"\u003eThis 3.5-ton air handler provides exceptional installation versatility with true multi-position capability for upflow, downflow, or horizontal configurations, making it ideal for space-constrained installations in attics, closets, and crawlspaces. The high-efficiency ECM motor delivers superior performance with lower energy consumption while handling the substantial 1254 CFM airflow requirement for larger homes. The built-in air filter rack simplifies routine maintenance with easy access for quick filter replacements. The unit's streamlined design minimizes installation time and labor costs, while multiple optional electric heat kit sizes (5kW, 7.5kW, or 10kW) provide flexible heating capacity for various climate requirements. With its compact footprint and comprehensive compatibility with Signature Series Top Discharge Condensers, this air handler represents a premium, energy-efficient solution for residential and light commercial HVAC systems requiring robust performance in demanding applications and larger spaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MRCOOL","offers":[{"title":"Default Title","offer_id":42761250930731,"sku":"MCAEAMPEF42C21AA","price":1321.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/5647\/1339\/files\/mc-ss-ap-multi-position-ah-04_jhydf3_c8cacad1-2297-4e59-a36c-58aac80b65d9.png?v=1769020113","url":"https:\/\/hvacsupplies.com\/products\/mrcool-signature-series-3-5-ton-multi-position-air-handler-mcaeampef42c21aa","provider":"HVACSupplies.com","version":"1.0","type":"link"}