Our Story
Key Mechanical has a rich history that spans over six decades. Founded in 1956 by two entrepreneurs, Bob Heisler and Lee Sandahl, the company started as a small mechanical contracting firm in Southern California. As the economy grew, Key Mechanical expanded its services to cater to the increasing demands of the commercial sector. Our commitment to delivering quality services, professionalism, and customer satisfaction has remained a guiding principle, allowing us to build strong relationships with our clients and partners.
Our Services
At Key Mechanical, we specialize in providing a wide range of services, including design, build, and maintenance. Our team of experienced professionals uses the latest technology and software to create customized solutions for our clients. Whether it's designing a commercial refrigeration system or installing an HVAC system, we strive to deliver exceptional results that meet or exceed our clients' expectations.
Design
Our design team works closely with clients to understand their unique requirements and translates them into sophisticated designs. With state-of-the-art software, we create detailed blueprints that ensure the final product meets the highest standards of quality. From supermarket refrigeration to marine installations, our design experts will work closely with you to create a bespoke solution that meets your needs.
Build
With every project, our experienced project managers and installation crews work tirelessly to ensure timely and efficient execution. We prioritize attention to detail and proper execution to guarantee a seamless installation process. Whether it's a small convenience store or a large-scale commercial complex, our team ensures that every project is completed to the highest standards of quality.
Maintain
At Key Mechanical, we understand that the life of a commercial refrigeration or HVAC system is not just measured by its initial installation but also by its performance over time. That's why we offer robust maintenance programs, fast response times, and exceptional customer service to ensure that your equipment remains operational and efficient throughout its lifespan.
Who We Are
At Key Mechanical, we pride ourselves on our core values, which have been the guiding principles of our company since its inception. We believe in treating our clients, employees, and suppliers with respect and fairness, making use of the highest caliber personnel available, and performing all work in a safe and responsible manner that reflects positively on our company and the industry as a whole. Our commitment to these values has enabled us to build a reputation for excellence and sincerity, and we strive to continue this legacy for generations to come.
What We Do
We serve a diverse range of industries, including supermarkets, commercial HVAC, marine, industrial refrigeration, convenience stores, and big box retailers. Our expertise spans designing, building, and maintaining commercial refrigeration and HVAC systems, ensuring that our clients' needs are met with precision and professionalism.
Our Locations
We have a presence in several key locations across the West Coast of the United States, including Seattle, Portland, San Francisco, Los Angeles, and Chino. Our multiple locations enable us to serve a wide range of clients across the region, providing them with the support and expertise they need to achieve their goals.
Driver Safety Concerns
A recurring theme in the reviews is the concern for driver safety and professionalism. Multiple reviewers have reported instances of dangerous and unprofessional driving, including tailgating, brake checking, and weaving in and out of traffic.
Unprofessional Behavior
Reviewers have also reported unprofessional behavior from drivers, such as laying on the horn for no reason, laughing at other drivers, and displaying discourteous behavior.
Negative Experiences
The majority of reviewers have had negative experiences with the company's drivers, with some even stating that the company's lack of action to address these issues is a liability.
Positive Experience
On a positive note, one reviewer praised the team at Key Mechanical, citing their responsiveness, professionalism, and friendliness.

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