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HVAC - Heating & Air: problems and fixes, explained by Brandon

Brandon Quigley is the only hvac - heating & air member of BNI Preston Center. These guides are written for a Dallas–Fort Worth reader who has the problem right now: what is happening, what to check, when to call, and what it costs.

October 13, 2026 · 9 min read The air conditioner is running and the house is still 80 degrees: what is going on An air conditioner that runs without cooling is the most common call we get every summer. Here is how to tell a filter problem from a failing compressor, and what to expect when a technician arrives. The thermostat says 78 and the house says otherwiseWhy a system runs without coolingTen minutes of checks before you pick up the phoneWhen to turn it off and wait for a professional

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