Air Conditioning
Serving The Entire Central Valley.
Trusted by Thousands of Customers

Reliable AC Repair, Installation, and Maintenance Since 1995
At Grandmark Service Company, we’ve been proudly serving Fresno and Central California for nearly 30 years. As a family-owned and operated business, we understand the importance of comfort and reliability in your home or business.
Our mission is to provide expert air conditioning services with the care and trust you’d expect from family.
Local Comfort Experts
Whether you need a quick AC repair, a modern energy-efficient system installed, or routine maintenance, our certified team is here to help. With same-day service, 100% satisfaction guaranteed, and flexible financing options, we make it easy to keep your home cool and comfortable.

- Highly Trained technicians
- 25+ Years of Expertise
- Financing Available
- Lifetime Warranties
- Same Day Fixes
Our Air Conditioning Services
AC Repair Services
Fast, reliable repairs to restore your system’s performance.
Free diagnostic when you proceed with repairs.
Emergency services with 30–60 minute response times.
AC Installation & Replacement
Energy-efficient systems tailored to your home’s needs.
Expert installation with a focus on durability and performance.
Financing options available to fit any budget.
AC Maintenance Services
Regular tune-ups to extend the life of your system.
Preventative checks to reduce the risk of costly breakdowns.
Emergency HVAC Services
Rapid response for urgent cooling needs.
Reliable service when you need it most.
About Us
At Grandmark Service Company, we’re more than just a service provider—we’re a part of the community. As a family-owned business, we take pride in delivering honest, high-quality work that makes a difference in people’s lives. With nearly three decades of experience, we’ve built a reputation for excellence, reliability, and friendly service.


Let Grandmark Service Company take care of all your air conditioning needs so you can enjoy a cool, comfortable home all year long.