Optimum Cooling and Heating - Tucson's Expert HVAC Services

In our dry climate, a frozen evaporator coil is often caused by low refrigerant levels or restricted airflow from a dirty filter or blocked vents. We start by safely thawing the system, then perform a precise diagnosis to find the root cause—whether it's a leak needing repair or an airflow issue. Our fix ensures your system runs efficiently to prevent future freeze-ups and protect your compressor.

Uneven cooling in spacious homes is common here due to single-zone systems struggling with long duct runs and varying sun exposure. We offer solutions like installing a zoning system with multiple thermostats and motorized dampers, which gives you precise control over different areas. We can also assess and improve your ductwork design and balance airflow to eliminate those stubborn hot and cold spots for consistent comfort.

To withstand our intense summers, we recommend a comprehensive pre-season tune-up. This includes cleaning condenser and evaporator coils, checking refrigerant charge, calibrating thermostats, inspecting electrical components, and ensuring the condensate drain is clear. This proactive service maximizes efficiency, prevents breakdowns during peak heat, and directly addresses local issues like coil freeze-ups by ensuring optimal system operation.