Dison Service - El Dorado's Professional HVAC Services

Short cycling, where your system turns on and off too often, is a common issue in our area often caused by an oversized unit, a dirty air filter, or refrigerant problems. It puts extra strain on your system and increases energy bills. Our technicians can diagnose the specific cause—whether it's a simple filter change or a more complex calibration—to restore proper operation and efficiency to your El Dorado home.

As an authorized Lennox dealer with over 100 years of experience, we recommend Lennox for its renowned reliability, energy efficiency, and quiet operation. We provide expert installation to ensure your system performs as designed, offering superior comfort and potential utility savings. Our long-term relationship with Lennox also means we have direct access to genuine parts and specialized training for any service needs.

Our maintenance service is designed to keep your system running smoothly and prevent costly repairs. A visit includes a thorough inspection, cleaning of key components, checking refrigerant levels, testing system controls and safety devices, and calibrating your thermostat. For El Dorado residents, we pay special attention to air filter condition and airflow, which are crucial for our local air quality and system efficiency.