--- product_id: 473779285 title: "AC Service Tech, LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting" brand: "ac service tech, llc" price: "€ 88.38" currency: EUR in_stock: true reviews_count: 5 category: "Ac Service Tech, Llc" url: https://www.desertcart.fr/products/473779285-ac-service-tech-llc-hvac-quick-reference-cards-for-refrigerant store_origin: FR region: France --- # 3 double-sided quick reference cards 0°F-130°F tested durability Flexible, weather & UV resistant AC Service Tech, LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting **Brand:** ac service tech, llc **Price:** € 88.38 **Availability:** ✅ In Stock ## Summary > 🛠️ Your HVAC cheat sheet for flawless refrigerant charging & troubleshooting! ## Quick Answers - **What is this?** AC Service Tech, LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting by ac service tech, llc - **How much does it cost?** € 88.38 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/473779285-ac-service-tech-llc-hvac-quick-reference-cards-for-refrigerant) ## Best For - ac service tech, llc enthusiasts ## Why This Product - Trusted ac service tech, llc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Made in the USA:** Quality assured with American manufacturing standards for trusted performance. - • **Compact & Portable:** Three double-sided cards in a sleek 22.6 x 14.3 cm format, perfect for any HVAC pro’s toolkit. - • **Precision On-the-Go:** Instantly measure refrigerant levels with TXV & fixed orifice metering device charts. - • **All-Weather Durability:** Crafted from flexible, UV and weather-resistant polystyrene for field-ready reliability. - • **Comprehensive Troubleshooting:** Includes Delta T, P/T charts, and refrigerant weight guides for full system diagnostics. ## Overview AC Service Tech, LLC HVAC Quick Reference Cards are a set of three durable, double-sided polystyrene cards designed for HVAC professionals. Tested to withstand temperatures from 0°F to 130°F, these flexible, weather-resistant cards provide essential refrigerant charging and troubleshooting data, including subcooling, superheat, Delta T, and refrigerant weight charts. Compact and portable, they are an indispensable resource for accurate, on-site HVAC diagnostics and maintenance. ## Description These three HVAC quick reference polystyrene cards are double sided and designed to be used with Air Conditioners and Heat Pumps to measure the refrigerant level in a unit, charge refrigerant, troubleshoot refrigerant based problems, and measure heat transfer to determine if there is a problem. Find the Target Subcooling to measure the refrigerant level of systems with a TXV metering device Use Subcooling to determine if a system is undercharged, correctly charged, or overcharged Find the Target Superheat to measure the refrigerant level of systems with a fixed orifice metering device Use Total Superheat to determine if a system is undercharged, correctly charged, or overcharged Use Delta T to determine if the system is exchanging heat properly Use the P/T Chart to find the Saturated Temp of 5 common refrigerants Use the Guide to determine how to find the Bubble and Dew Saturated Temps of Blend Refrigerants Use the Refrigerant Weight Chart to calculate the amount of refrigerant needed per foot of tubing Use the Guide to weigh in the full or partial refrigerant charge into an empty vacuumed unit ## Features - Flexible - Weather and UV Resistant - Polystyrene Card Material Tested 0°F-130°F - Three Cards Double Sided per Pack - HVAC Technician Resource ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B082895BBX | | Age Range Description | Adult | | Brand Name | AC Service Tech, LLC | | Colour | White | | Cover Material | Polystyrene | | Customer Package Type | Envelope or Small Box | | Customer Reviews | 4.7 out of 5 stars 1,387 Reviews | | Finish Type | Glossy | | Frame Material | Plastic | | Frame Type | Wrapped Canvas | | Indoor Outdoor Usage | Indoor | | Is Framed | No | | Is Original Artwork | No | | Item Dimensions L x W | 22.6L x 14.3W Centimeters | | Item Shape | Rectangle | | Item Weight | 3 Ounces | | Manufacturer | AC Service Tech, LLC | | Material Type | Cardstock | | Mounting Type | Wall Mount | | Number Of Panels | 6 | | Number of Items | 3 | | Orientation | Landscape | | Paper Finish | Glossy | | Pattern | Letter Print | | Product Style | Double sided | | Recommended Uses For Product | HVAC Refrigerant Charging and Troubleshooting | | Room Type | Living Room | | Size | Small | | Special Features | Flexible, Weather Resistant | | Theme | Double Sided | | UPC | 860003018705 | | Unit Count | 1 Count | | Wall Art Form | Art Print | ## Product Details - **Size:** Small - **Product Dimensions:** 22.6L x 14.3W Centimeters - **Item Weight:** 3 Ounces - **Number of Items:** 3 - **Orientation:** Landscape - **Shape:** Rectangular - **Theme:** Double Sided - **Recommended Uses For Product:** HVAC Refrigerant Charging and Troubleshooting - **Frame Type:** Wrapped Canvas - **Wall art form:** Art Print ## Images ![AC Service Tech, LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting - Image 1](https://m.media-amazon.com/images/I/51GHWyXCIjL.jpg) ![AC Service Tech, LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting - Image 2](https://m.media-amazon.com/images/I/41c3JcbImsL.jpg) ![AC Service Tech, LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting - Image 3](https://m.media-amazon.com/images/I/5179TJuwkrL.jpg) ![AC Service Tech, LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting - Image 4](https://m.media-amazon.com/images/I/511D1zhwP0L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***R on 5 December 2024* ### ⭐⭐⭐⭐⭐ Review *by C***O on 30 January 2026* ### ⭐⭐⭐⭐⭐ Review *by S***O on 28 August 2025* ## Frequently Bought Together - AC Service Tech LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting - Refrigerant Charging and Service Procedures for Air Conditioning 2nd Edition - Inverter Mini Split Operation and Service Procedures --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.fr/products/473779285-ac-service-tech-llc-hvac-quick-reference-cards-for-refrigerant](https://www.desertcart.fr/products/473779285-ac-service-tech-llc-hvac-quick-reference-cards-for-refrigerant) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-04-27*