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Getting an AC replaced in 2025, the question that tells you if the installer is up to date

Replacing an air conditioner in 2025 is no longer just a matter of picking a tonnage and a brand. New federal rules, new ...
IEEE

A Wide Temperature Range Mode-Localized Vacuum Gauge With Temperature Compensation

Abstract: Vacuum gauges are widely used in industrial equipment. However, conventional vacuum gauges, such as capacitance diaphragm gauges, are sensitive to temperature variations. These gauges ...