---
product_id: 184670890
title: "HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting"
brand: "ac service tech llc"
price: "RM229"
currency: MYR
in_stock: true
category: "Ac Service Tech Llc"
url: https://www.desertcart.com.my/products/184670890-hvac-quick-reference-cards-for-refrigerant-charging-and-troubleshooting
store_origin: MY
region: Malaysia
---

# 3 double-sided quick reference cards Weather & UV resistant polystyrene 0°F-130°F tested durability HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting

**Brand:** ac service tech llc
**Price:** RM229
**Availability:** ✅ In Stock

## Summary

> 🛠️ Master HVAC like a pro—charge, troubleshoot, and optimize with confidence!

## Quick Answers

- **What is this?** HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting by ac service tech llc
- **How much does it cost?** RM229 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/184670890-hvac-quick-reference-cards-for-refrigerant-charging-and-troubleshooting)

## 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

- • **Built to Last:** Weatherproof and UV resistant cards withstand harsh job site conditions without wear.
- • **Trusted by Pros:** Top-rated HVAC resource with 4.7 stars and a #7 rank in Air Conditioning Diagnostic Equipment.
- • **Compact & Portable:** Three double-sided cards fit easily in your toolkit for quick access anytime.
- • **Precision On-the-Go:** Instantly measure refrigerant levels with TXV and fixed orifice metering guides.
- • **Comprehensive Diagnostics:** Includes Subcooling, Superheat, Delta T, and P/T charts for full system troubleshooting.

## Overview

These HVAC Quick Reference Cards by AC Service Tech LLC are a durable, weather-resistant set of three double-sided polystyrene cards designed for precise refrigerant charging and troubleshooting. Tested to perform in temperatures from 0°F to 130°F, they provide essential charts and guides for measuring subcooling, superheat, heat transfer, and refrigerant weight, making them an indispensable tool for HVAC technicians seeking fast, reliable diagnostics on the job.

## 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 |
| Best Sellers Rank | #18,956 in Automotive ( See Top 100 in Automotive ) #7 in Air Conditioning Diagnostic Equipment |
| Brand Name | AC Service Tech LLC |
| Color | Multicolor |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,476) |
| Item Dimensions L x W | 8.88"L x 5.63"W |
| Item Weight | 3 ounces |
| Manufacturer | AC Service Tech, LLC |
| Manufacturer Part Number | QRCRCT |
| Material Type | Plastic, Polystyrene |
| Model Number | QRCRCT |
| Number of Packs | 1 |
| Sheet Count | 3 |
| Size | 5.63 x 8.88 inches |
| UPC | 860003018705 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** AC Service Tech LLC
- **Color:** Multicolor
- **Item Weight:** 3 ounces
- **Material:** Plastic, Polystyrene
- **Size:** 5.63 x 8.88 inches

## Images

![HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting - Image 1](https://m.media-amazon.com/images/I/51GHWyXCIjL.jpg)

## Frequently Bought Together

- AC Service Tech LLC HVAC Quick Reference Cards for Refrigerant Charging and Troubleshooting
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*Product available on Desertcart Malaysia*
*Store origin: MY*
*Last updated: 2026-09-15*