My Shamrock Service offers comprehensive heating and air conditioning services for residential and commercial clients in Lincoln, Rocklin, Roseville, and nearby communities. Our mission is to keep your home or business safe, comfortable, and energy-efficient throughout every season. Our full suite of HVAC services includes:

Prompt and reliable HVAC repair services for all major brands of air conditioners, furnaces, and heat pumps. We diagnose and fix issues quickly to restore comfort to homes and businesses in Lincoln, Rocklin, Roseville, and surrounding areas.
Whether you're upgrading to a more energy-efficient model or need a complete system replacement, our experts help you select and install the ideal heating and cooling system for your home. Serving Lincoln, Rocklin, Roseville, and nearby communities with trusted HVAC installation services.
Our seasonal HVAC maintenance plans help prevent unexpected breakdowns, extend equipment lifespan, and keep your system operating at peak safety and efficiency — protecting your family and lowering energy bills across Placer County.
We provide expert installation, repair, and maintenance for energy-efficient heat pump systems that deliver both heating and cooling. We also service heat pump water heaters, offering a natural gas-free solution for reliable hot water in homes throughout Lincoln and surrounding areas.
Our team inspects, repairs, designs, and installs ductwork systems to ensure proper airflow and maximize HVAC efficiency and home comfort. Serving residential clients across Rocklin, Roseville, Lincoln, and nearby areas.
We offer a range of indoor air quality products and services, including air purifiers, humidifiers, and ventilation systems, to improve the air you breathe inside your home. Proudly serving families throughout Lincoln, Rocklin, Roseville, and surrounding communities.
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