HVAC Services Covina CA | Call Tomas Services

Short cycling is a common issue here, often caused by an oversized unit, refrigerant problems, or a faulty thermostat. It wastes energy and strains the system. Our HVAC technicians will perform a thorough diagnostic inspection to pinpoint the exact cause. We then provide a clear explanation and a practical repair plan, which may involve recalibrating your thermostat, fixing refrigerant leaks, or advising on a correctly sized replacement system if needed, to restore efficient and reliable operation for your Covina home.

Upgrading an electrical panel is a critical job for safety and capacity. Our licensed electricians begin with a detailed assessment of your home's current and future electrical needs. We handle the entire process, from obtaining any necessary permits to the careful installation of the new panel and circuit breakers, ensuring all connections meet code. We also perform a full system test afterward. As a local company, we pride ourselves on leaving your electrical system organized, safe, and ready to handle modern demands.

Yes, we provide HVAC maintenance services designed to improve system efficiency and air quality. Regular maintenance includes cleaning coils, checking refrigerant levels, inspecting ductwork for contaminants, and replacing air filters—all of which directly impact the air you breathe indoors. For Covina residents concerned about dust, pollen, or other allergens, this proactive service helps your system run cleaner. We can discuss a schedule that fits your needs to promote better air circulation and a healthier home environment.