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How to Choose the Right Vacuum Pump for Air Conditioning Systems

How to Choose the Right Vacuum Pump for Air Conditioning Systems

The A/C vacuum pump, also known as HVAC vacuum pump,...
by Maika De Guzman on October 10, 2022
New Testo Digital Manifolds Comparison Guide

New Testo Digital Manifolds Comparison Guide

  Testo 550s Testo 557s Testo 550i Valve block 2-way...
by Maika De Guzman on May 05, 2021
For You: The Best Refrigeration Gauges

For You: The Best Refrigeration Gauges

With sustaining systems and their functions, refrigeration gauges play a...
by Maika De Guzman on April 28, 2021
Top Tools for Advanced HVAC Technicians

Top Tools for Advanced HVAC Technicians

Nothing is more disappointing to an HVAC technician than his...
by Chino Eustaquio on February 26, 2020

Top Tools for Beginner HVAC Technicians

The top struggle of anyone who just started anything, whether...
by Chino Eustaquio on February 26, 2020

HVAC - Recovery and Evacuation

What is HVAC? HVAC stands for Heating, ventilation, and air...
by Chino Eustaquio on January 24, 2020

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ABOUT

Welcome to the Cool Tools HVAC‑R Blog — your go‑to resource for deep insights, practical how‑tos, and the latest trends in the refrigeration and air conditioning field. At Cool Tools, we believe that having the right tools paired with the right knowledge makes all the difference. This blog is built for technicians, industry professionals, and curious minds alike. Whether you’re selecting the ideal vacuum pump, comparing digital manifolds, or exploring maintenance best practices, we aim to make complex topics understandable and actionable.

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