07/03/2026
🥵Quick tip for the
Air conditioners generally only cool 15 to 20 degrees lower than the outside temperature. Setting the thermostat drastically lower than normal (e.g., to 65°F on a 95°F day) won't cool the house faster; it will only cause the unit to run continuously without ever reaching the target.
🏡Most residential air conditioning systems are engineered to maintain indoor temperatures roughly 18 to 22 degrees below the temperature of the air entering the system. On a mild 85°F day, that math is easy — your system cycles on and off comfortably and keeps your home in the low-to-mid 60s without much effort.
But when outdoor temps push into the upper 90s or past 100°F, the physics get harder. On a 102°F afternoon, your system may run almost continuously and still only hold the mid-to-upper 70s indoors. That's not a malfunction. That's the ceiling of what the equipment was designed to do.
Warning Signs That Something Is Actually Wrong:
🔥Warm or room-temperature air from the vents — if the air coming out doesn't feel noticeably cool, something is wrong with refrigerant levels, the compressor, or airflow
💨Little or no airflow — a clogged filter, failed blower motor, or collapsed duct can dramatically reduce your system's ability to cool
🧊Ice forming on the indoor or outdoor unit — counterintuitive as it sounds, ice on your equipment signals a refrigerant or airflow problem, not that it's working too hard
🔄Short cycling — if the system kicks on and off every few minutes rather than running in longer cycles, it's struggling and putting serious strain on the compressor
💥Strange noises or burning smells — grinding, banging, or a burning odor from the vents are never normal and warrant immediate attention
🥵Indoor temperatures that keep rising after hours of running — if your home is getting hotter despite the system running all day, the equipment is losing the battle for a reason.
Probably time to call a contractor.
