The Chilling Truth: Why Starting Your AC in Cold Weather is a Costly Mistake 🥶
The Chilling Truth: Why Starting Your AC in Cold Weather is a Costly Mistake 🥶 That first surprisingly warm spring day often brings with it the urge to switch your air conditioning system over to "Cool" mode for a quick test. But if the outside temperature is still dipping low, resisting that urge is crucial. Running your AC system when it's too cold outside can lead to a domino effect of internal damage, often resulting in one of the most expensive repairs an HVAC unit can face: compressor failure . 1. The Physics of Frosty Failure Air conditioning systems (and heat pumps in cooling mode) are designed to work within a specific range of outdoor temperatures, typically above 60-65°F (15-18°C) . When the ambient temperature drops below this threshold, the core mechanics of the system are disrupted: Refrigerant Pressure Imbalance: The system relies on precise high and low pressures to function correctly. When the outdoor temperature is low, the pressure in the condenser...
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