Today we replaced an aging Air Conditioning unit on a roof for a customer in Petaluma. Green Core handled the install from start to finish including the permiting, crane and inspections. This customer got a huge upgrade; from unreliable cooling with constant breakdowns to reliable, efficent cooling whenever they need it. If you have an aging system Green Core can help bring you to the modern age of comfort and efficency!! Give Us A Call Today!! (707) 988-5858