Cherry Hill, NJ Heating and Cooling Services. We provide professional HVAC services in Cherry Hill, New Jersey. Established in 2011, Whitestone Heating and Cooling is the best HVAC services contractor in Cherry Hill, New Jersey. Our full range of services includes: heating, cooling, refrigeration, new installations, walk-in fridge and freezer repairs, walk-in boxes (new construction) and troubleshooting. We deliver energy efficient solutions for optimal comfort levels in your home or office in Cherry Hill, NJ.