{"product_id":"trane-15-ton-commercial-packaged-heat-pump-precedent-series-r454b-208-230v-3-phase","title":"Trane 15 Ton Commercial Packaged Heat Pump | 14.0 IEER | R-454B | 208\/230V 3-Phase | Precedent Series | Single Stage","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eTrane Precedent Series 15 Ton Commercial Packaged Heat Pump — 208\/230V All-Electric Step-Up Capacity for Large Commercial Buildings\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eWhen 12.5 tons falls short and the building requires all-electric climate control, the Trane Precedent Series steps up to 15 tons. At 15-ton capacity on 208\/230V 3-phase power with R-454B refrigerant, this commercial rooftop heat pump delivers both heating and cooling through a single refrigerant circuit for large retail centers, major office buildings, substantial institutional facilities, large houses of worship, schools, and high-occupancy commercial buildings in moderate climate zones where electrification mandates, new construction building codes, gas infrastructure restrictions, or owner-driven ESG commitments make all-electric rooftop HVAC the only specification that closes the mechanical scope. The 15-ton Precedent Series unit is the first step beyond the 12.5-ton ceiling in the all-electric commercial rooftop heat pump lineup — the specification that covers large commercial cooling loads that have outgrown the lower heat pump tier without splitting the load across multiple smaller units or introducing gas-fired heating to a building that has eliminated it from consideration.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eAll-Electric Step-Up Capacity — 15-Ton Heat Pump Performance Without Gas Infrastructure\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eAt 15-ton capacity, the all-electric advantage of the Precedent Series heat pump reaches a scale where the elimination of gas infrastructure carries its most significant practical value in the commercial construction and renovation context. A 15-ton commercial rooftop installation on a large building that eliminates gas infrastructure entirely means no gas meter sizing for rooftop heating loads, no gas line routing to the roof curb, no combustion air requirements, no gas appliance permits, and no dual-fuel service relationships for the life of the equipment. For developers, building owners, and facility managers navigating electrification requirements in jurisdictions that have adopted gas appliance restrictions in new commercial construction — an expanding list that includes major markets across California, the Pacific Northwest, and the Northeast — the Precedent Series 15-ton heat pump is the specification that satisfies those requirements at large commercial scale without any performance compromise on either the heating or cooling side of the annual load profile.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eAt 14.0 IEER and R-454B refrigerant, this unit delivers full commercial energy code compliance and complete refrigerant future-proofing at 15-ton all-electric capacity on standard commercial voltage. The 14.0 IEER at 15-ton heat pump capacity meets commercial energy code requirements at this tonnage tier and is consistent with the Foundation Series efficiency standard at 15-ton capacity across gas\/electric configurations — buyers comparing heat pump versus gas\/electric specifications at the 15-ton tier will find equivalent cooling efficiency between the two product families, with the Precedent Series adding the all-electric heating advantage for buildings where gas elimination is the specification driver. R-454B at installation protects the building owner's all-electric HVAC investment across the full service life of a 15-ton commercial heat pump that carries the complete annual heating and cooling burden without gas backup — eliminating refrigerant retrofit risk at the capacity tier where the all-electric specification commitment is most significant. Single-stage operation at 15-ton heat pump capacity keeps commissioning clean, diagnostics fast, and long-term service costs predictable across both heating and cooling seasons in large all-electric commercial buildings where the heat pump is the sole source of year-round climate control.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eSpecifications at a Glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"overflow-x-auto w-full px-2 mb-6\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\"\u003eSpec\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-[hsl(var(--border-300)\/0.6)] py-2 pr-4 align-top font-bold\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eCapacity\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e15 Ton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eSystem Type\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003ePackaged Heat Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eIEER\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e14.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eRefrigerant\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eR-454B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eVoltage\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e208\/230V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003ePhase\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e3-Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eHeating\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eHeat Pump (Electric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eCooling\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eElectric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eStages\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eSingle Stage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003eSeries\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003ePrecedent Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Trane","offers":[{"title":"Default Title","offer_id":55237825560867,"sku":"WSK180A3S","price":25590.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/TraneGDK_9e5fd715-ae92-4ad3-860d-1ac9ce180485.png?v=1781331538","url":"https:\/\/www.acunitsforless.com\/products\/trane-15-ton-commercial-packaged-heat-pump-precedent-series-r454b-208-230v-3-phase","provider":"acunitsforless.com","version":"1.0","type":"link"}