{"product_id":"goodman-glzs5","title":"Goodman GLZS4","description":"\u003cdiv class=\"flexSB selectedProductParent\"\u003e\n\u003cdiv class=\"productDetailHead\"\u003e\n\u003ch2\u003e\u003cstrong\u003eGLZS4\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Goodman GLZS4 is Energy - Efficiency Standard Family R32 Split-System Heat Pump. Designed for durability and dependable performance, the GLZS4 is an excellent option for homeowners looking for an affordable yet effective indoor comfort control solution for every season. As a heat pump, it provides all-electric heating and cooling by transferring heat, making it an energy-efficient alternative to systems using fossil fuel heating systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eComfort\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eOffers comfort and features such as defrost capabilities to help keep you comfortable all year round.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis system delivers dependable heating and cooling, ensuring the performance needed to keep your home comfortable throughout the year. – UP TO 15.2 SEER2 and 7.8 HSPF2, 1½ to 5 Tons.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnology\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003eSmartShift is a specialized control mechanism on the outdoor unit's defrost board designed to \u003cstrong class=\"rQesXe MPyX\"\u003edrastically reduce the loud, jarring noise\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e that heat pumps typically make when switching into defrost mode.\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eThe Problem:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\n\u003cspan class=\"iNqyIf\"\u003eIn cold weather, a heat pump's outdoor coils freeze up. To melt the ice, the system must temporarily reverse itself into cooling mode to send heat outside. In standard systems, shifting the reversing valve while the compressor is running under full pressure creates a loud \"whooshing\" or clunking sound.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003e\u003cspan class=\"yADgie\"\u003eThe SmartShift Solution:\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003cspan class=\"yADgie\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cspan class=\"yADgie\"\u003eWhen a defrost cycle is triggered, SmartShift temporarily \u003c\/span\u003e\u003cstrong class=\"rQesXe MPyX\"\u003e\u003cspan class=\"yADgie\"\u003eshuts off or delays the compressor\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003cspan class=\"yADgie\"\u003e for a few seconds before the reversing valve shifts. This allows internal system pressures to equalize first. Once the valve smoothly transitions in near-silence, the compressor restarts to clear the ice.\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Goodman","offers":[{"title":"1.5T\/ 15.2 SEER2","offer_id":55097193300287,"sku":"GLZS4BA1810A","price":8820.0,"currency_code":"USD","in_stock":true},{"title":"2T\/ 15.2 SEER2","offer_id":55097193333055,"sku":"GLZS4BA2410A","price":8990.0,"currency_code":"USD","in_stock":true},{"title":"2.5T\/ 14.5 SEER2","offer_id":55097193365823,"sku":"GLZS4BA3010A","price":9650.0,"currency_code":"USD","in_stock":true},{"title":"3T\/ 15 SEER2","offer_id":55097193398591,"sku":"GLZS4BA3610A","price":10430.0,"currency_code":"USD","in_stock":true},{"title":"3.5T\/ 15.2 SEER2","offer_id":55097193431359,"sku":"GLZS4BA4210A","price":10870.0,"currency_code":"USD","in_stock":true},{"title":"4T\/ 15.2 SEER2","offer_id":55097193464127,"sku":"GLZS4BA4810A","price":11580.0,"currency_code":"USD","in_stock":true},{"title":"5T\/ 14.5 SEER2","offer_id":55097193496895,"sku":"GLZS4BA6010A","price":13510.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/7087\/9807\/files\/ChatGPTImageAug12_2026_06_43_26PM.png?v=1786574617","url":"https:\/\/a1csi.com\/products\/goodman-glzs5","provider":"A-1 Certified Service Inc","version":"1.0","type":"link"}