---
product_id: 432734100
title: "AC Service Tech LLC HV Quick Reference Cards for Refrigerant Charging and Troubleshooting"
brand: "ac service tech llc"
price: "$141.31"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/432734100-ac-service-tech-llc-hv-quick-reference-cards-for-refrigerant
store_origin: EC
region: Ecuador
---

# 3 Double-Sided Cards Temp Range: 0°F-130°F Flexible & UV Resistant AC Service Tech LLC HV Quick Reference Cards for Refrigerant Charging and Troubleshooting

**Brand:** ac service tech llc
**Price:** $141.31
**Availability:** ✅ In Stock

## Summary

> 🔧 Stay Cool Under Pressure!

## Quick Answers

- **What is this?** AC Service Tech LLC HV Quick Reference Cards for Refrigerant Charging and Troubleshooting by ac service tech llc
- **How much does it cost?** $141.31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/432734100-ac-service-tech-llc-hv-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

- • **Glossy Finish:** Sleek and professional look that stands out in any toolkit.
- • **Master Your Craft:** Elevate your HVAC game with these essential reference cards.
- • **Weatherproof Wisdom:** Built to withstand the elements, ensuring reliability in any condition.
- • **Double the Knowledge:** Three double-sided cards packed with vital refrigerant charging info.
- • **Lightweight & Portable:** Weighing only 3 ounces, take your expertise wherever you go.

## Overview

The AC Service Tech LLC HV Quick Reference Cards are a must-have resource for HVAC technicians, featuring three durable, double-sided cards made from weather and UV resistant polystyrene. Tested for extreme temperatures from 0°F to 130°F, these cards provide essential information for refrigerant charging and troubleshooting, all while being lightweight and portable.

## 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
- AC Service Tech, LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting
- WALL_ART

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 22.56 x 14.3 x 0.33 cm; 85.05 g |
| Item Weight | 3 Ounces |
| Finish types | Glossy |
| Number of pieces | 3 |
| Batteries required | No |

## Product Details

- **Size:** Small
- **Product dimensions:** 22.6L x 14.3W centimeters
- **Item weight:** 3 Ounces
- **Number of Items:** 3
- **Orientation:** Landscape

## Images

![AC Service Tech LLC HV Quick Reference Cards for Refrigerant Charging and Troubleshooting - Image 1](https://m.media-amazon.com/images/I/51GHWyXCIjL.jpg)
![AC Service Tech LLC HV Quick Reference Cards for Refrigerant Charging and Troubleshooting - Image 2](https://m.media-amazon.com/images/I/41c3JcbImsL.jpg)
![AC Service Tech LLC HV Quick Reference Cards for Refrigerant Charging and Troubleshooting - Image 3](https://m.media-amazon.com/images/I/5179TJuwkrL.jpg)
![AC Service Tech LLC HV Quick Reference Cards for Refrigerant Charging and Troubleshooting - Image 4](https://m.media-amazon.com/images/I/511D1zhwP0L.jpg)

## Frequently Bought Together

- AC Service Tech LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting
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**Shop now:** [https://www.desertcart.ec/products/432734100-ac-service-tech-llc-hv-quick-reference-cards-for-refrigerant](https://www.desertcart.ec/products/432734100-ac-service-tech-llc-hv-quick-reference-cards-for-refrigerant)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-20*