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Guides from The A/C Guy, LLC
Straight answers to the questions we hear most, written for our own customers.
August 25, 2026 · 3 min read
Thermostat Trouble Signs (And What Upgrading Actually Fixes)
A struggling thermostat sends warning signs long before it fails outright, if you know what to look for.
August 25, 2026 · 3 min read
What a Preventative Maintenance Visit Actually Checks
A maintenance visit works through the exact list of parts that cause most HVAC breakdowns, before any of them fail.
August 25, 2026 · 3 min read
Why One Room in Your House Never Cools Down
The room that never quite cools down usually isn't a thermostat problem, it's an airflow one.
August 25, 2026 · 3 min read
Repair or Replace: How to Think About an Ageing AC System
There's no universal rule for repair versus replace, but there are real numbers that make the decision much clearer.
August 25, 2026 · 4 min read
What Actually Breaks First on a Texas Air Conditioner
Most Texas air conditioners break down in a predictable order, and knowing it can save you from a summer breakdown.