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Richard Jazwin

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Stand Alone

Troubleshooting & servicing HVACR electrical systems
Troubleshooting and Servicing Heat Pumps
The Hvac/r Professional's Field Guide to Heat Pump Systems & Service
Technician's Guide to Certification
The HVAC-R Professional's Field Guide to Medium and High Efficiency Gas Furnaces
Medium and High Efficiency Gas Frunaces
Ice Machine Service
The Hvac/r Professional's Field Guide to Alternative Refrigerants