{"product_id":"trane-7-5-ton-commercial-split-air-conditioner-2-stage-208-230v-3ph-r454b-11-5-eer-14-8-ieer","title":"Trane 7.5 Ton Commercial Split Air Conditioner 2-Stage 208\/230V 3Ph R-454B 11.5 EER 14.8 IEER","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eTrane Odyssey 7.5 Ton Two-Stage Commercial Split Air Conditioning System – 208\/230V 3-Phase | R-454B\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe Trane Odyssey 7.5-ton two-stage commercial split air conditioning system delivers the strongest efficiency numbers in the 7.5-ton Odyssey lineup — 11.5 EER and 14.8 IEER — for larger commercial spaces where cooling-only operation is the requirement and part-load efficiency is the dominant operating cost driver. Paired with a matched Trane TWE indoor air handler and running on R-454B refrigerant at 208\/230V 3-phase, this system sets the efficiency benchmark at the 7.5-ton capacity tier for light commercial cooling applications.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eAt 90,000 BTU across two stages, this is the right system for large open-plan retail, medical, office, and institutional spaces on 208\/230V 3-phase service with a separate heating system already in place — where specifying a heat pump would add cost and circuit complexity without delivering a heating benefit.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eNote that this is a \u003cstrong\u003ecooling-only\u003c\/strong\u003e system. For applications requiring year-round heating and cooling at 7.5-ton capacity, see the Trane Odyssey TWA heat pump series.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eEfficiency Leadership at 7.5 Tons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe 11.5 EER and 14.8 IEER ratings on this cooling-only system outperform the 7.5-ton heat pump version — 11.0 EER and 14.1 IEER — by a meaningful margin. The reason is straightforward: without the reversing valve, check valves, and refrigerant circuit complexity required for heat pump operation, the cooling-only circuit is optimized entirely for cooling efficiency:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e11.5 EER\u003c\/strong\u003e — the highest full-load cooling efficiency in the 7.5-ton Odyssey split lineup, 0.5 points above the heat pump equivalent\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e14.8 IEER\u003c\/strong\u003e — the highest weighted part-load efficiency in the 7.5-ton series, 0.7 points above the heat pump equivalent — the number that matters most on commercial utility bills with demand charges\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eReal-world cost impact:\u003c\/strong\u003e At 7.5-ton capacity running 2,000+ commercial cooling hours annually, the efficiency advantage of the cooling-only system over the heat pump equivalent translates to measurable annual energy cost savings — particularly in warm-climate markets where cooling hours dominate the operating year\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCooling-only optimization:\u003c\/strong\u003e In climates or buildings where heating is handled by a separate gas, hydronic, or district heating system, specifying a cooling-only split system consistently delivers better cooling efficiency and lower system cost versus a heat pump at equivalent tonnage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eTwo-Stage Capacity Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eAt 7.5 tons, two-stage operation addresses the most significant operational problems associated with large single-stage commercial cooling equipment:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eFirst stage\u003c\/strong\u003e runs at approximately 67–70% of full capacity — long enough cycles to remove humidity effectively, distribute conditioned air evenly across large spaces, and avoid the demand charge spikes generated by repeated full-capacity compressor starts during business hours\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSecond stage\u003c\/strong\u003e engages only when peak summer load genuinely requires full 90,000 BTU output — protecting compressor longevity and maintaining efficiency during the partial-load conditions that dominate most commercial climates' annual cooling hours\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHumidity control:\u003c\/strong\u003e At 7.5 tons, single-stage equipment cycling a large space to setpoint before adequate dehumidification occurs is one of the most common occupant comfort failures in commercial buildings. Two-stage first-stage operation's longer run cycles remove substantially more moisture per operating hour — a measurable comfort and indoor air quality advantage in retail, medical, and hospitality applications\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e14.8 IEER\u003c\/strong\u003e reflects weighted efficiency across 100%, 75%, 50%, and 25% load — at 7.5 tons the gap between full-load EER (11.5) and part-load IEER (14.8) represents the largest absolute efficiency gain from two-stage operation in the Odyssey cooling-only lineup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eR-454B Next-Generation Refrigerant\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eAt 7.5-ton capacity the refrigerant charge is substantial — making the long-term compliance and cost implications of refrigerant selection more significant than at smaller sizes. R-454B's GWP of 466 is approximately 78% lower than R-410A's 2,088, avoiding future retrofit costs and service disruption as EPA phase-down rules tighten R-410A availability and drive up its service price. For commercial building operators managing multiple rooftop units or planning long equipment service lives, the compliance advantage of R-454B at this capacity tier is a material factor in total cost of ownership.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eR-454B is A2L-classified under ASHRAE 34. This system is engineered and listed for compliant A2L use per current UL and AHRI standards. Verify local AHJ requirements for A2L refrigerant in your specific occupancy type and jurisdiction prior to installation.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eTrane Odyssey Commercial Engineering\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eClimatuff® Two-Stage Scroll Compressor:\u003c\/strong\u003e Factory-integrated two-stage capacity control on Trane's commercial-duty Climatuff scroll platform — optimized for cooling-only operation without the efficiency trade-offs of heat pump reversing valve circuits. At 7.5-ton capacity, compressor reliability and longevity under continuous commercial cooling duty are the defining factors in long-term system cost\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSpine Fin™ Outdoor Coil:\u003c\/strong\u003e Aluminum spine fin geometry maximizes heat transfer surface area while resisting debris accumulation — maintaining the 11.5 EER rating through years of commercial rooftop operation where coil fouling is a persistent efficiency drag on competing designs\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWeatherGuard™ Hardware:\u003c\/strong\u003e Stainless steel fasteners, UV-stabilized cabinet panels, and factory-applied coil coating for long-term outdoor durability across the diverse climate zones where 7.5-ton commercial equipment operates\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e3-Phase Power at 208\/230V:\u003c\/strong\u003e Balanced three-phase load across all three legs reduces electrical noise, enables properly sized circuit protection, and delivers smoother compressor operation at 7.5-ton output levels versus single-phase alternatives\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTWE Multi-Positional Air Handler:\u003c\/strong\u003e Factory-installed expansion device supports horizontal, vertical, and upflow installation orientations without field modification — accommodating the range of mechanical room and rooftop curb configurations typical in buildings requiring 7.5-ton split systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eSystem Efficiency\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\"\u003eRating\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\"\u003eValue\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\"\u003eEER\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e11.5\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\"\u003e14.8\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\"\u003eCooling Only\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\"\u003eCapacity\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e7.5 Ton (90,000 BTU)\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\"\u003e2\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\"\u003eFrequency\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-[hsl(var(--border-300)\/0.3)] py-2 pr-4 align-top\"\u003e60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eApplication Fit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eIdeal for:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLarge retail spaces: 3,000–4,500 sq ft with separate heating system\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMedical office buildings and outpatient facilities with gas or hydronic heat\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLarge restaurant and hospitality dining rooms with existing kitchen heating infrastructure\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSchool and university buildings served by central heating plant\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLight industrial offices, showrooms, and training facilities with gas unit heaters or boiler systems\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLarge multi-tenant commercial buildouts where heating is provided by central plant or separate equipment\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFitness centers and health clubs with radiant or hydronic heating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eNot recommended for:\u003c\/strong\u003e Applications requiring heating from the same outdoor unit — see the Trane Odyssey TWA heat pump series for combined heating and cooling at 7.5-ton capacity. Also not suited for high-latent kitchen environments, 100% outside air DOAS applications, process cooling, or 460V electrical service.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRequires matched Trane TWE indoor air handler — contact us to confirm matched coil and air handler model for this outdoor unit before ordering\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e208\/230V 3-phase power supply required at the disconnect — verify available service ampacity before ordering at 7.5-ton capacity\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eR-454B (A2L) refrigerant requires A2L-compliant service tools, recovery equipment, and technician familiarity with A2L handling procedures per ASHRAE 15 and local AHJ requirements\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eProfessional installation by a licensed commercial HVAC contractor required — permit required in most jurisdictions at this capacity\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRooftop installations require structural review of roof load capacity prior to equipment placement\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e10-year limited warranty on compressor, outdoor coil, and functional parts with registration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eWhy Buy From ACUnitsForLess\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAuthorized Trane commercial equipment dealer\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFree LTL freight to all 48 contiguous states\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eContractor and volume pricing at business.acunitsforless.com\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eProject and multi-unit quotes — call 678-535-7176\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Trane","offers":[{"title":"Default Title","offer_id":55271880524067,"sku":"TTA090K3A TWE090K3A","price":10452.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/1171\/5363\/files\/Trane_TonCommercialSplitAirConditioner_f14859c1-9eca-48e4-b58c-dbaf17b30384.png?v=1782193350","url":"https:\/\/www.acunitsforless.com\/products\/trane-7-5-ton-commercial-split-air-conditioner-2-stage-208-230v-3ph-r454b-11-5-eer-14-8-ieer","provider":"acunitsforless.com","version":"1.0","type":"link"}