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Technical Guides

Practical resources for HVAC technicians and contractors.

HVAC Repair

How to Replace a Dual Run Capacitor: Step-by-Step Guide

Safely identify, test, and replace a dual run capacitor — one of the most common causes of AC failure.

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Furnace Repair

How to Replace a Hot Surface Ignitor: Step-by-Step Guide

Diagnose and replace a failed hot surface ignitor — one of the most common reasons a furnace won't ignite.

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