A sudden blast of heat from your AC instead of cool air is often a sign of mechanical or airflow problems. Knowing why HVAC system blowing hot air in the summer helps to understand common causes like dirty coils, thermostat malfunctions, or low refrigerant. Addressing these issues promptly keeps your system efficient, lowers bills, and prevents discomfort. Stay proactive and ensure reliable cooling during the hottest months ahead. Read more at https://www.edsheatingandcooli....ng.com/blog/why-is-m
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