Why Your Furnace Is Short-Cycling: Common Winter Culprits in Las Cruces

Winter nights in Las Cruces can get surprisingly chilly, making a reliable heater essential. If you notice your unit turning on and off repeatedly, known as short-cycling, it is more than just an annoying noise. This behavior significantly spikes your utility bills and strains your equipment. At Aircon Heating & Cooling Inc., we want to help you identify the root causes. Check Your Air Filters First A clogged air filter is the most frequent offender for heating issues. When the filter is dirty, airflow becomes restricted, causing the internal heat exchanger to overheat rapidly. Your furnace’s safety limit switch then trips, shutting the unit down to prevent damage. We recommend checking your filter monthly and replacing it whenever it looks gray or clogged. Evaluate Thermostat Placement Sometimes the issue lies with where your thermostat lives in your home. If it is located near a heat source, like a sunny window or the kitchen, it senses warmth prematurely. This tricks the system into thinking the whole house is warm, signaling it to shut off before the job is actually done. Consider Equipment Sizing Believe it or not, a furnace can be too powerful for your home. If your unit is oversized...