Marken Mechanical - Burlingame's Licensed HVAC Repair

First, ensure the thermostat has power by checking its display and the circuit breaker for your HVAC system. Often in older Burlingame homes, a common issue is a drained C-wire battery or a loose connection preventing communication. If a simple reset doesn't work, it's best to call a professional. Our technicians can diagnose wiring issues, compatibility problems, or internal HVAC faults causing the disconnect.

Start by regularly changing your standard HVAC filter with a higher MERV-rated pleated filter to capture more allergens. For a significant upgrade, we recommend installing a whole-house air purifier or UV light system. These solutions, integrated directly into your ductwork, actively neutralize mold spores, bacteria, and other pollutants common in our coastal Bay Area climate, providing relief for allergy sufferers throughout your home.

Given our mild but variable weather, biannual professional tune-ups are key. Before summer, we focus on cleaning condenser coils and checking refrigerant levels for efficient cooling. Before winter, we inspect heat exchangers, burners, and airflow for safe, effective heating. This proactive care prevents the small problems—like a dirty sensor causing thermostat errors or clogged filters degrading air quality—from turning into costly breakdowns.