JH Heating and Cooling: Expert HVAC Services Serving San Jose, CA 95122

We provide comprehensive HVAC installation and replacement for homes and businesses in San Jose, including ductless AC systems, heat pumps, and whole-home air filtration. Founded in 2007, we handle everything from new construction to system upgrades, ensuring proper setup for efficiency and comfort.

For San Jose residents, we perform thorough inspections to detect duct leaks that reduce airflow and use sealing techniques to restore efficiency. For clogged condensate drain lines—a frequent issue here—we clear blockages and recommend maintenance to prevent mold and water damage, helping keep your system running smoothly.

Our maintenance service covers system checks, cleaning, and adjustments to extend the life of your HVAC equipment. We focus on components like filters and coils, which is especially important in the Bay Area for maintaining indoor air quality. Regular maintenance helps prevent breakdowns and keeps energy costs manageable.