A-1 Guaranteed Heating & Air

Our Mission Statement

Your family’s comfort and safety is our family’s priority 

A-1 Guaranteed is a family-owned heating and cooling company proudly serving homeowners in the Bay Area and throughout Solano, Napa, and Contra Costa Counties for nearly 30 years.

We’re known throughout the community for our top-quality work and outstanding customer service

Story

A-1 Guaranteed started where all great businesses are born—in a garage. 

Richard Hiteshew had been working in the HVAC industry since he was 16 years old when, in 1996, he and his wife, Krissy, decided to strike out on their own. They wanted to build an HVAC company that did things right, putting quality and customer satisfaction above everything else. 

Together, they built A-1 Guaranteed in the garage of their Vallejo home, with Krissy leading operations while Richard was out in the field.

Soon, the business outgrew the garage, but never the family. Richard and Krissy moved A-1 Guaranteed to a small warehouse previously used as an auto body shop, and they quickly outgrew that space, too. Finally, in 2014, they moved A-1 Guaranteed to its current headquarters in Vallejo. They continued to run and expand it together, bringing on 23 employees and all four of their children. 

Today, A-1 Guaranteed remains a multi-generational, family-owned business, managed by Richard and Krissy’s oldest son, Nick. He’s taking the company into the next generation of HVAC services, implementing modern, energy-efficient solutions like heat pumps while maintaining his parents’ dedication to honest, high-quality work and excellent customer service. 

Over the years, we’ve been proud to earn awards like “Best Heating & Cooling Company” in Solano County, KRON4’s Best of the Bay, and the Angie’s List Super Service Award. But what matters most is our reputation with local homeowners, many of whom we’ve served for decades.

Recycling & Environmental Responsibility

As a Bay Area Certified Green Business, A-1 Guaranteed is committed to sustainable practices on every job. For us, this includes HVAC recycling as part of our process because it shows respect for your home and the environment.

Our team carefully hauls away old furnaces, air conditioners, and heat pump equipment so you don’t have to worry about disposal or storing heavy, bulky metal on your property. From there, we make sure those materials are handled in a way that supports cleaner, more sustainable communities.​