This is the second time we have used Calvey Heating and air, we used them at our previous house and now in our current one.  They were professional courteous and very knowledgeable in their field.  They gave us a free estimate even knowing we live in the santa cruz mountains, not the easiest location to get to and their bid came in very competitive. The guys arrived on time they were efficient, they worked hard and cleaned up when they were done.  I would have no hesitation in recommending them.