I'm here to assist you, but to provide more accurate guidance, I require more details about the company you're contemplating for water heaters in California. If you could share the company's name or provide key information about their products and services, I could offer more specific information and advice.

To gain a comprehensive understanding of the company's water heater services, I suggest visiting their official website. You can access specific information about their products, read customer testimonials, and potentially discover more about their expertise. Click on this link to explore their site:United Plumbing & Water Heaters in Sunnyvale.