{"product_id":"hvac-chart-3-pack-superheat-subcooling-calculators-for-r-22-r-410a-duct-calculator","title":"HVAC Chart 3 Pack - Superheat\/Subcooling Calculators for R-22 \u0026 R-410a, Duct Calculator","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eHVAC Chart 3 Pack - R-22 \u0026amp; R-410a Superheat\/Subcooling Calculators and Duct Calculator\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHVAC Chart 3 Pack - Superheat\/Subcooling Calculators for R-22 \u0026amp; R-410a, Duct Calculator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eLets face it, 1 slide chart can not do it all. Don't be fooled by an abridged chart with missing information, tidbits of random formulas and rule of thumb calculations all crammed on to one chart. The HVAC 3-Pack comes with 3 charts. One for sizing ductwork, one for calculating superheat\/subcooling on R-22 systems and one for calculating superheat\/subcooling on R-410a systems. Duct calculator has diagrams for properly calculating total equivalent length and pressure drop correction factors. A must have for high efficiency systems. Put one chart in your install bag and the others in your service bag.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ 3 Slide charts for less that some sellers charge for 1!\u003c\/li\u003e\n\u003cli\u003e✅ #1 Training tools used by College, Universities and Training Centers\u003c\/li\u003e\n\u003cli\u003e✅ Field proven by installers and technicians for over 30 years!\u003c\/li\u003e\n\u003cli\u003e✅ No abridged information or rule of thumb calculations.\u003c\/li\u003e\n\u003cli\u003e✅ Duct calculator has diagrams for properly calculating total equivalent length and pressure drop correction factors. A must have for high efficiency systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping \u0026amp; Guarantees\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ FREE standard shipping within the United States (3–6 business days)\u003c\/li\u003e\n\u003cli\u003e✅ 100% money-back guarantee for lost or damaged items\u003c\/li\u003e\n\u003cli\u003e✅ Secure checkout with encrypted payment processing\u003c\/li\u003e\n\u003cli\u003e✅ Shipping via UPS, FedEx, and USPS\u003c\/li\u003e\n\u003cli\u003e✅ Ships to lower 48 states only (no PO Boxes \/ APO \/ FPO)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReturns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ 30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e✅ Items must be unused and in original packaging\u003c\/li\u003e\n\u003cli\u003e✅ Full refund if item is not delivered\u003c\/li\u003e\n\u003cli\u003e✅ Guaranteed delivery within 6–7 business days\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePayment Methods\u003c\/h3\u003e\n\u003cp\u003e✅ Credit Cards, PayPal, Shop Pay, Apple Pay, Google Pay, Amazon Pay, Meta Pay\u003c\/p\u003e\n\u003ch3\u003eCustomer Support\u003c\/h3\u003e\n\u003cp style=\"text-align:left;\"\u003e✅ Questions? Contact us at \u003cstrong\u003eSupport@GiftAbay.com\u003c\/strong\u003e\u003cbr\u003eWe respond within 24 hours on business days.\u003c\/p\u003e\n\u003cdiv class=\"seo-data\"\u003e\n\u003cp\u003e\u003cstrong\u003eSEO Title:\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKeywords:\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Office Products\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSubcategories:\u003c\/strong\u003e Office Electronics, Calculators\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HVAC Charts","offers":[{"title":"Default Title","offer_id":44673246887981,"sku":"PGABL0844586","price":28.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/6067\/7677\/files\/91xHREElDsL._AC_SL1500.jpg?v=1772697688","url":"https:\/\/prosupply.giftabay.com\/products\/hvac-chart-3-pack-superheat-subcooling-calculators-for-r-22-r-410a-duct-calculator","provider":"ProSupply.GiftAbay","version":"1.0","type":"link"}