YOUR PREMIER LOCAL HVAC CONTRACTOR YOU CAN COUNT ON GRACE SERVICES OF THE UPSTATE BASED IN THE GREENVILLE, SC AREA Finding an HVAC company that offers the services you need isn't always easy. Some companies only work with certain brands or can't handle full system changes. Fortunately, Grace Services of the Upstate LLC offers all kinds of HVAC services in Greenville, SC and surrounding areas. You can depend on us to make sure you have an efficient HVAC system in your house.