HVAC contractor recommendation- New Jersey

Hi all,

Does anyone know of a reputable hvac contractor in Mercer County, NJ?

My daughter purchased an old house in Lawrenceville, NJ (near Princeton). It has an old gas fired furnace and the blower motor is shot. It is also connected to an A/C coil with lines run out to an old Condenser. She may be looking to replace the entire system.

I appreciate any recommendations.

Thank you!