Here in the San Francisco Bay Area, our weather keeps us on our toes. From foggy summer mornings to chilly winter nights, you rely on your home’s heating and cooling system for consistent comfort. But when it’s struggling, your system will often send out warning signs before it fails completely. Ignoring them can lead to bigger problems. Here are three signs from the team at Ortiz Heating and Air Conditioning, Inc. that you need professional help. Get a free quote today
Signs Your Home's HVAC System Needs Repair

Unusual Noises
Your HVAC system should operate with a gentle hum. If you start hearing loud, sudden, or persistent noises like banging, clanking, rattling, or high-pitched squealing, it’s a clear red flag. These sounds often indicate a loose or broken internal component, such as a fan belt or motor bearing. Shutting down the system and calling for a professional inspection can prevent a failing part from causing a cascade of damage.

Weak Airflow and Inconsistent Temperatures
Are you constantly adjusting the thermostat, yet some rooms remain stubbornly hot while others feel like a freezer? Weak or uneven airflow is a classic sign of trouble. While it could be as simple as a clogged air filter, it often points to more serious issues like a failing compressor, leaky ductwork, or a blower malfunction. Your residential HVAC system isn't performing efficiently if it can't distribute air evenly throughout your home.

Sudden Spike in Your Energy Bills
A sudden, unexplained increase in your utility bills is a strong indicator that your HVAC system is working harder than it should. This loss of efficiency means a component is failing, forcing the unit to run longer and use more power to maintain your desired temperature. Prompt residential HVAC repairs can restore its efficiency, saving you money and preventing further strain on the system.
GET STARTED TODAY
Don't wait for a complete breakdown. The best way to ensure reliability is with regular residential HVAC maintenance. If these signs are familiar, contact Ortiz Heating and Air Conditioning, Inc. today to have your system professionally diagnosed and repaired.