Testing Knowledge for HVAC, Electrical, Solar & Industrial Pros
Practical guides, tool recommendations, and troubleshooting resources for professionals who work with electrical, thermal, HVAC, and industrial systems.
Learn by Industry
Start with the work environment, then choose the right testing method and equipment.
HVAC Technicians
Leak detection, manifold readings, vacuum testing, thermal diagnostics, and refrigerant troubleshooting.
Open guideElectricians
Voltage checks, clamp meter use, insulation testing, continuity, safety, and service diagnostics.
Open guideSolar Installers
PV string testing, irradiance checks, commissioning workflows, and electrical safety verification.
Open guideIndustrial Maintenance
Preventive maintenance, power quality symptoms, thermal anomalies, motors, pumps, and panels.
Open guideHome Inspectors
Thermal scans, moisture clues, electrical safety observations, HVAC performance, and report-ready checks.
Open guideFacility Managers
Routine inspections, energy loss, equipment condition checks, and tool selection for teams.
Open guideLearn by Tool
Understand what each instrument measures, when to use it, and how to avoid common mistakes.
Thermal Cameras
Resolution, focus, temperature range, emissivity, and inspection workflows.
Read guideClamp Meters
Current measurement, inrush checks, true RMS, safety ratings, and field use.
Read guideMultimeters
Voltage, resistance, continuity, diode checks, and category ratings.
Read guideInsulation Testers
Motor, cable, panel, and solar insulation checks.
Read guideGas Detectors
Leak detection methods, sensitivity, response time, and HVAC service workflows.
Read guidePower Quality Analyzers
Voltage events, harmonics, load issues, and facility troubleshooting.
Read guideFeatured Guides
Starter content for common professional testing questions.
How to search for HVAC refrigerant leaks
Learn a repeatable leak detection workflow instead of guessing around fittings and coils.
Read moreClamp meter basics for service electricians
Know when to use current clamps, true RMS, and inrush modes.
Read moreThermal camera basics for inspectors
Understand contrast, reflection, moisture clues, and report-ready thermal images.
Read moreRecommended Equipment
Curated product recommendations from UTSA Distribution.
Digital manifold gauge kit for HVAC diagnostics.
View toolEntry refrigerant leak detector for service teams.
View toolWireless vacuum gauge for HVAC evacuation work.
View toolThermal inspection tools for HVAC, facilities, and maintenance.
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