Killen Mechanical Inc

Killen Mechanical Inc operates in Livermore, California, delivering HVAC installation and repair services to homeowners across the region. The company holds a 5-star rating compiled from 32 customer reviews, reflecting consistent service quality and customer satisfaction in the Livermore area.

This contractor distinguishes itself through responsive same-day repair capabilities and mobile inventory management. Reviewers describe technicians who arrive with replacement parts already stocked, enabling many repairs to be completed within 30 minutes of arrival. The team also handles system redesigns, including attic modifications and custom platform builds that other contractors declined to undertake.

Customer scenarios from reviews highlight specific competencies. One reviewer recounts the team correctly diagnosing an AC issue that a competitor had misidentified as a $20,000 repair, saving the homeowner significant expense. Another describes same-day service during a heat wave, with the technician returning call promptly and resolving the issue the same afternoon. A third mentions the crew followed up days after installation to confirm continued performance.