{"product_id":"hvac-quick-reference-cards-for-refrigerant-charging-and-service-procedures-for-air-conditioning-reference-tool-guide-chart-sheets-for-hvac-techs-troubleshooting-and-diagnosing-issues","title":"HVAC Quick Reference Cards for Refrigerant Charging and Service Procedures for Air Conditioning,Reference Tool Guide Chart Sheets for HVAC Techs Troubleshooting and Diagnosing Issues","description":"The contents are as follows: Pg1. Comprehensive P\/T chart with all common refrigerants. Pg2. R22\/410 comparison chart, superheat\/subcool calculation, charging quick reference. Pg3. Troubleshooting matrix, emergency\/safety procedures. Pg4. Engineering\/HVAC formulas. Pg5\/6. Maintenance procedures. Pg7. EPA Certification study guide. Pg8. Heat pump diagrams, standard 24v thermostat pinout chart, diagnostic chart.\u003cbr\u003e\u003cbr\u003eThese 4 double-sided laminated cards are engineered for HVAC professionals and technicians who need fast, reliable field reference. Pressure-temperature charts for all common refrigerants, charging procedures, diagnostic flowcharts, and maintenance checklists are printed on weather-resistant material that withstands damp basements, rooftops, and high-humidity job sites.\u003cbr\u003e\u003cbr\u003eCompact design fits easily into tool bags with pre-drilled holes for binding or keychain attachment. No more flipping through manuals on the clock—critical data like P\/T conversions, superheat\/subcool calculations, and troubleshooting sequences are instantly accessible. Essential for EPA certification prep, routine diagnostics, and reducing on-the-job errors.\u003cbr\u003e\u003cbr\u003eTrusted by residential and commercial HVAC techs alike. New technicians benefit from structured reference material; experienced pros use them to streamline service calls and save billable time.","brand":"Air Majesty AC Parts","offers":[{"title":"Default Title","offer_id":49266961449182,"sku":"c6ed3ae0-0d19-4e13-a858-a622d71b0d88","price":34.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/8879\/7406\/files\/0bde4815821145dcbfd9c74a6fdf6448.jpg?v=1792685916","url":"https:\/\/www.airmajestyacparts.com\/products\/hvac-quick-reference-cards-for-refrigerant-charging-and-service-procedures-for-air-conditioning-reference-tool-guide-chart-sheets-for-hvac-techs-troubleshooting-and-diagnosing-issues","provider":"Air Majesty AC Parts","version":"1.0","type":"link"}