Johnstone Supply Muskegon Group

Technician’s Corner

This is the place to find handy tips and information that is helpful for installation and service. Check back often for new items!

Wiring diagrams for airsource heatpumps.

How to calculate the Economic Balance point for a dual fuel airsource heatpump installation

Goodman sequence of operations pdf for Goodman furnaces

Johnstone Supply Muskegon Group

Johnstone Supply Muskegon Group is a wholesale only supplier to the HVAC, refrigeration and property maintenance industries.

Submit a Question to our TSA's? (technical service advisor)

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The information contained in technician’s corner is intended for general reference purposes only. It is not a substitute for instructions, guidelines and/or warranties provided by the manufacturers of any products referred to.

Although Johnstone Supply tries hard to keep the information accurate and up-to-date, Johnstone Supply is not responsible for any errors or misprints that occur.

Johnstone Supply and its affiliates are not responsible for any damages or liability which may result from the use or misuse of the information contained in the technician’s corner.