Grandmark Service Company

Grandmark Service Company Grandmark Service Company specializes in complete home & business roofing services. Grandmark Air Conditioning is Fresno’s leader in precision HVAC services.

We go beyond basic repairs with our exclusive X-Ray AC diagnostic process, ensuring every component of your unit is measured for peak performance. From emergency AC repairs and furnace maintenance to full system installations, we provide high-converting comfort solutions. Trust our comprehensive scans to extend your unit's life and lower your energy bills.

07/28/2026

Troubleshooting a stubborn AC unit that had no power at the disconnect. Found a shorted blower motor – a common culprit in these situations. Watch how we pinpoint and fix the issue.

07/28/2026

Your HVAC system's ductwork might be hiding serious issues. Leaks, damage, and poor insulation can impact your air quality and energy bills. We offer a free inspection and estimate to help you find and fix them. Don't wait until it's too late.

07/03/2026

Water is coming down here and all of this is plugged up. There should be flashing underneath to get the water out properly. We're seeing a lot of wetness at the channel.

06/19/2026

After three decades, it was time to upgrade my old HVAC. I chose a new Bosch heat pump, and the difference is incredible. It's so quiet and the long-term cost savings are a huge relief.

06/19/2026

I called Grandmark about squeaky turbines, and they ended up transforming my entire home with a new roof and HVAC system. Their efficient, integrated service made the whole process smooth. I'm incredibly satisfied with the results.

Address

3681 W McKinley Avenue
Fresno, CA
93722

Telephone

+15594923333

Website

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