Why Sunstate

Sunstate Mechanical-Services - HVAC, electrical, plumbing, maintenance, and emergency service. We provide services throughout Arizona, as well as parts of California,Texas, Washington, and Alabama.We know that running a successful organization is hard work. We also know that maintaining the day-to–day operations of your facilities should not keep you from focusing on your core business. Your HVAC, electrical, and plumbing performance has a direct impact on your employees and clients. That’s where Sunstate comes in. We make sure that your HVAC, electrical, and plumbing systems are operating properly now and in the future.

Our founder Bill Bart Jr. believes in creating value for his customers. After decades in the industry, we have seen just about everything. This means that we ask the right questions, anticipate your concerns, and deliver on our promises. Our value comes from our deep management experience, commitment to our industry, and investment in our clients.

We're a Marsden Company!

Marsden Services is a full spectrum facility services provider, offering janitorial, security, building maintenance, and specialty property services throughout the United States.Sunstate Mechanical is a wholly owned subsidiary of Marsden Services. Marsden is a full spectrum facility services provider, offering janitorial, security, building maintenance, and specialty property services throughout the United States. Through Sunstate Mechanical's combined national support and local operations, we provide our clients with the strength of a large corporation with the individualized care of a small business.

National Scope

Marsden is one of the largest privately owned facility service providers in the United States. Marsden has over 50 offices throughout the United States and employs more than 10k people. Marsden has thousands of clients across the country and services over 300M square feet every day.

Local Dedication

Despite Marsden's national scope, Marsden focuses on the local markets in which it has acquisitions and office locations. Each office is invested in its community and local clients, providing personalized service. Like a small, local company, the regional offices make decisions on all aspects of their service operations and are empowered to manage their teams and respond to all client needs and requests.

Enterprise Resources

Marsden's local operating companies have the benefit of leveraging Marsden’s resources as a large organization – including staff, technology, equipment, supplies, information, industry experts, and financial support.