Minimize call-backs.Easier system analysis.Faster testing and diagnosis.Higher quality job.Wider range of tests with less backup technical support.Improve the technician’s technical capability.Test multiple parameters with one instrument.Lower cost than most competitive combustion analyzers - even with purchase of all accessory heads.The HVAC Guide® System Analyzer features offer technicans, contractors, instructors and students even more advantages:Easy to use INPUT/OUTPUT forms to collect and analyze data.Use Fieldpiece accessory heads to automatically enter data.Manually enter data using non-fieldpiece test equipment.Download test data to a PC.Reload archived test data to HG1 when returning to the same customer.Easily print work orders for better customer service.