{"product_id":"the-complete-hvacr-field-study-system-9798188048839","title":"The Complete HVACR Field \u0026 Study System: 4 Books in 1 - Foundations, Refrigeration, AC \u0026 Heat Pumps, Diagnostics \u0026 Certification with 68 QR-Linked Training Videos and EPA 608 Practice Exams","description":"\u003cp\u003e\u003cem\u003eThe Complete HVACR Field \u0026amp; Study System: 4 Books in 1 - Foundations, Refrigeration, AC \u0026amp; Heat Pumps, Diagnostics \u0026amp; Certification with 68…\u003c\/em\u003e examines heat-pump technology and operation, refrigeration principles and refrigerant service, and diagnostic and troubleshooting methods. Related subjects: technical certification and exam preparation; duct design and air distribution.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthor:\u003c\/strong\u003e Marcus K. Callahan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublisher:\u003c\/strong\u003e Independently published\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublication date:\u003c\/strong\u003e July 19, 2026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLanguage:\u003c\/strong\u003e English\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormats:\u003c\/strong\u003e Hardcover, Paperback\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Independently published","offers":[{"title":"Hardcover","offer_id":57295789424945,"sku":"9798188048839-hardcover","price":104.16,"currency_code":"USD","in_stock":true},{"title":"Paperback","offer_id":57295789457713,"sku":"9798188048839-paperback","price":67.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1015\/9600\/4657\/files\/81UAEeB8z2L.jpg?v=1793764970","url":"https:\/\/aecbookstore.com\/products\/the-complete-hvacr-field-study-system-9798188048839","provider":"AECBooks","version":"1.0","type":"link"}