Tech Tips

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Tech Tips

There's a lot a good service tech needs to keep up with. New SEER ratings, changing refrigerants, charging and diagnostic methods. We're here to help!

We're compiling a list of Tech Tips from various industry sources. Some are from manufacturers and still others are from some of the industries leading service publications (with permission). Some are presented in a printable, downloadable format and some are links to other websites.

Just click on the topics.

Topic

Proper Refrigerant Charging Instructions

Refrigerant Gauge Recalibration - (provided by Ritchie Engineering Co. and Yellow Jacket)

The following TECH TIPS are a series of dealer contractor advisories prepared by HARDI wholesalers as a customer service

Simple rules to follow on the placement of returns

How to size residential ventilation ducts

Some good rules to follow when installing field charged cooling units

Insulation - A NEW LOOK AT AN OLD FRIEND

25 Common Heating Complaints

Sizing humidifiers by the book

After the sale instructions

Using tables doesn't have to be a guessing game