Furnace problems Archives - Airmatics https://myairmatics.com/tag/furnace-problems/ Experienced HVAC Professionals / Cooling and Heating. License TACLA39859E. Wed, 14 Jan 2026 23:44:46 +0000 en-US hourly 1 https://myairmatics.com/wp-content/uploads/2025/02/Logo-icon-512x512-1-150x150.png Furnace problems Archives - Airmatics https://myairmatics.com/tag/furnace-problems/ 32 32 What is a Relay in HVAC and How Does It Work? https://myairmatics.com/what-is-a-relay-in-hvac/ Wed, 14 Jan 2026 23:08:18 +0000 https://myairmatics.com/?p=3485 Relays may be small, but they play a huge role in your HVAC system's operation. Whether you’re heating your home during a chilly Frisco morning or cooling things down on a hot summer day in Plano, relays are quietly at work behind the scenes. Understanding the basic terms of relays makes it easier to grasp how they work.

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