{"product_id":"z-max-r454b-cold-climate-25-seer2-series-mini-split-heat-pump","title":"Z-MAX US R454B COLD CLIMATE 25 SEER2 — Heat Pump (-22°F)","description":"\u003cdiv class=\"zero-catalog-detail\" style=\"font-family:inherit;font-size:14px;line-height:1.75;color:inherit\"\u003e\n\u003csection class=\"zero-catalogue-identification\" style=\"font-family:inherit;background:#edf8fc;border-left:4px solid #009dce;padding:16px 18px;margin:18px 0\"\u003e\u003ch2 style=\"font-family:inherit;font-size:20px;color:#0b1d4d;margin:0 0 10px\"\u003eCatalogue identification\u003c\/h2\u003e\n\u003cp style=\"margin:5px 0\"\u003e\u003cstrong\u003eCatalogue row:\u003c\/strong\u003e R454B | Z-MAX US COLD CLIMATE 25 SEER2; catalogue climate label -22°F\u003c\/p\u003e\n\u003cp style=\"margin:5px 0\"\u003e\u003cstrong\u003eEquipment role:\u003c\/strong\u003e Single-zone system family\u003c\/p\u003e\n\u003cp style=\"margin:8px 0 0\"\u003eUse the exact model or approved combination for capacity, electrical, efficiency and certification information. A catalogue family label is not a universal performance or incentive-eligibility claim.\u003c\/p\u003e\n\u003cp style=\"margin:8px 0 0\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0715\/6809\/7435\/files\/ZERO-North-America-Catalogue-ZNA20260626.pdf?v=1792655051#page=2\" target=\"_blank\" rel=\"noopener\"\u003eVerify this catalogue reference (PDF page 2)\u003c\/a\u003e\u003c\/p\u003e\u003c\/section\u003e\n\u003cp\u003eZERO Z-MAX R454B · Cold Climate 25 Series is a single-zone R454B mini-split family for individual room heating and cooling. Compare the exact catalogue models below to select capacity, electrical supply and performance for the project.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/zh\/pages\/contact-us\" style=\"color:#009dce;font-weight:700\"\u003eRequest model selection, pricing and availability →\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2 style=\"font-family:inherit;font-size:24px;line-height:1.25;font-weight:700;color:#0b1d4d;margin:32px 0 16px\"\u003eProduct overview\u003c\/h2\u003e\n\u003ch3 style=\"font-family:inherit;font-size:18px;font-weight:700;color:#0b1d4d;margin:24px 0 12px\"\u003eKey specifications\u003c\/h3\u003e\n\u003cdiv style=\"max-width:100%;overflow-x:auto\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font:inherit;font-size:13px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"padding:12px;text-align:left;background:#edf8fc;color:#0b1d4d;border-bottom:1px solid #d5e6ee\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"padding:12px;text-align:left;background:#edf8fc;color:#0b1d4d;border-bottom:1px solid #d5e6ee\"\u003eCatalogue information\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eProduct family\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eZ-MAX R454B · Cold Climate 25 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eProduct category\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eSingle-Zone Mini Splits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eEquipment role\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eComplete system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eRefrigerant\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eR454B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eCapacity \/ configuration\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e9K–24K nominal classes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eEfficiency\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e22.5–25 SEER2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eOutdoor cooling range\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e5°F to 131°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eOutdoor heating range\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e−22°F to 86°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-family:inherit;font-size:24px;line-height:1.25;font-weight:700;color:#0b1d4d;margin:32px 0 16px\"\u003eModels and performance\u003c\/h2\u003e\n\u003ch3 style=\"font-family:inherit;font-size:18px;font-weight:700;color:#0b1d4d;margin:24px 0 12px\"\u003eCatalogue model specifications\u003c\/h3\u003e\n\u003cdiv style=\"max-width:100%;overflow-x:auto\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font:inherit;font-size:13px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"padding:12px;text-align:left;background:#edf8fc;color:#0b1d4d;border-bottom:1px solid #d5e6ee\"\u003eCatalogue model \/ configuration\u003c\/th\u003e\n\u003cth style=\"padding:12px;text-align:left;background:#edf8fc;color:#0b1d4d;border-bottom:1px solid #d5e6ee\"\u003eRated cooling (Btu\/h)\u003c\/th\u003e\n\u003cth style=\"padding:12px;text-align:left;background:#edf8fc;color:#0b1d4d;border-bottom:1px solid #d5e6ee\"\u003eElectrical supply\u003c\/th\u003e\n\u003cth style=\"padding:12px;text-align:left;background:#edf8fc;color:#0b1d4d;border-bottom:1px solid #d5e6ee\"\u003eSEER2\u003c\/th\u003e\n\u003cth style=\"padding:12px;text-align:left;background:#edf8fc;color:#0b1d4d;border-bottom:1px solid #d5e6ee\"\u003eRated heating at 47°F (Btu\/h)\u003c\/th\u003e\n\u003cth style=\"padding:12px;text-align:left;background:#edf8fc;color:#0b1d4d;border-bottom:1px solid #d5e6ee\"\u003eHSPF2 Region IV\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eZMSB-09HVT-USHHCR2\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e9,000\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e208\/230V \/ 60Hz \/ 1Ph\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e25\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e9,000\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e10.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eZMSB-12HVT-USHHCR2\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e12,000\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e208\/230V \/ 60Hz \/ 1Ph\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e25\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e12,000\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e10.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eZMSB-18HVT-USHHCR2\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e18,000\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e208\/230V \/ 60Hz \/ 1Ph\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e23.5\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e18,000\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003eZMSB-24HVT-USHHCR2\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e24,000\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e208\/230V \/ 60Hz \/ 1Ph\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e22.5\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e24,000\u003c\/td\u003e\n\u003ctd style=\"padding:11px 12px;border-bottom:1px solid #e1e9ef\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-family:inherit;font-size:24px;line-height:1.25;font-weight:700;color:#0b1d4d;margin:32px 0 16px\"\u003eSelection and installation\u003c\/h2\u003e\n\u003cp\u003eConfirm the exact indoor\/outdoor model pair, room load, available electrical supply and the model-specific installation instructions. A nominal capacity or series name does not replace a sizing calculation.\u003c\/p\u003e\n\u003ch2 style=\"font-family:inherit;font-size:24px;line-height:1.25;font-weight:700;color:#0b1d4d;margin:32px 0 16px\"\u003eDocumentation and certification\u003c\/h2\u003e\n\u003cp\u003eTechnical source: ZERO North America Product Catalogue, edition \u003cstrong\u003eZNA20260626\u003c\/strong\u003e, PDF page 6. Specifications apply to the stated model and configuration. Certification, directory listing and incentive eligibility must be checked against the exact selected or installed combination.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0715\/6809\/7435\/files\/ZERO-North-America-Catalogue-ZNA20260626.pdf?v=1792655051#page=6\" target=\"_blank\" rel=\"noopener\" style=\"color:#009dce;font-weight:700\"\u003eOpen the catalogue specifications ↗\u003c\/a\u003e · \u003ca href=\"\/zh\/pages\/support-documents\" style=\"color:#009dce\"\u003eProduct support documents\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2 style=\"font-family:inherit;font-size:24px;line-height:1.25;font-weight:700;color:#0b1d4d;margin:32px 0 16px\"\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdetails style=\"border-bottom:1px solid #dce7ee;padding:13px 0\"\u003e\u003csummary style=\"font-weight:700;color:#0b1d4d;cursor:pointer\"\u003eHow does this product match the catalogue?\u003c\/summary\u003e\u003cp\u003eR454B | Z-MAX US COLD CLIMATE 25 SEER2; catalogue climate label -22°F. Equipment role: Single-zone system family. Use the exact model or approved combination for capacity, electrical, efficiency and certification information. A catalogue family label is not a universal performance or incentive-eligibility claim.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border-bottom:1px solid #dce7ee;padding:13px 0\"\u003e\u003csummary style=\"font-weight:700;color:#0b1d4d;cursor:pointer\"\u003eDoes every capacity have the same efficiency?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0\"\u003eNo. Review the model or matched-configuration table. Series labels do not replace individual SEER2, EER, heating or electrical ratings.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border-bottom:1px solid #dce7ee;padding:13px 0\"\u003e\u003csummary style=\"font-weight:700;color:#0b1d4d;cursor:pointer\"\u003eHow do I select equipment and confirm availability?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0\"\u003eAsk your installer to confirm the load and installation requirements, then contact ZERO with the selected model or configuration for pricing, availability and documentation.\u003c\/p\u003e\u003c\/details\u003e\u003cp style=\"margin-top:24px\"\u003e\u003ca href=\"\/zh\/pages\/contact-us\" style=\"display:inline-block;background:#009dce;color:#fff;padding:11px 20px;border-radius:5px;font-family:inherit;font-weight:700;text-decoration:none\"\u003eAsk ZERO about this product →\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:13px;margin-top:24px\"\u003eExplore the product range: \u003ca href=\"\/zh\/collections\/mini-split-systems\"\u003eSingle Zone\u003c\/a\u003e · \u003ca href=\"\/zh\/collections\/multi-split\"\u003eMulti Zone\u003c\/a\u003e · \u003ca href=\"\/zh\/collections\/light-commercial\"\u003eLight Commercial\u003c\/a\u003e · \u003ca href=\"\/zh\/collections\/ptac\"\u003ePTAC\u003c\/a\u003e · \u003ca href=\"\/zh\/collections\/rooftop-package\"\u003eRooftop\u003c\/a\u003e · \u003ca href=\"\/zh\/collections\/hvac-accessories\"\u003eAccessories\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"@id\":\"https:\/\/zerohvacr.us\/products\/z-max-r454b-cold-climate-25-seer2-series-mini-split-heat-pump#faq\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How does this product match the catalogue?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"R454B | Z-MAX US COLD CLIMATE 25 SEER2; catalogue climate label -22°F. Equipment role: Single-zone system family. Use the exact model or approved combination for capacity, electrical, efficiency and certification information. A catalogue family label is not a universal performance or incentive-eligibility claim.\"}},{\"@type\":\"Question\",\"name\":\"Does every capacity have the same efficiency?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Review the model or matched-configuration table. Series labels do not replace individual SEER2, EER, heating or electrical ratings.\"}},{\"@type\":\"Question\",\"name\":\"How do I select equipment and confirm availability?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ask your installer to confirm the load and installation requirements, then contact ZERO with the selected model or configuration for pricing, availability and documentation.\"}}]}\u003c\/script\u003e","brand":"ZERO Technologies","offers":[{"title":"ZMSB-09HVT-USHHCR2","offer_id":49884255289499,"sku":"ZMSB-09HVT-USHHCR2","price":0.0,"currency_code":"USD","in_stock":false},{"title":"ZMSB-12HVT-USHHCR2","offer_id":49892253499547,"sku":"ZMSB-12HVT-USHHCR2","price":0.0,"currency_code":"USD","in_stock":false},{"title":"ZMSB-18HVT-USHHCR2","offer_id":49892253532315,"sku":"ZMSB-18HVT-USHHCR2","price":0.0,"currency_code":"USD","in_stock":false},{"title":"ZMSB-24HVT-USHHCR2","offer_id":49892253565083,"sku":"ZMSB-24HVT-USHHCR2","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/6809\/7435\/files\/zero-zna20260626-catalog-single-r454b.png?v=1792655336","url":"https:\/\/zerohvacr.us\/zh\/products\/z-max-r454b-cold-climate-25-seer2-series-mini-split-heat-pump","provider":"ZERO USA Inc","version":"1.0","type":"link"}