Commercial Mechanical Contractors Austin, TX. ICON Plumbing, Heating Air LTD is a full service mechanical contractor serving commercial customers in Austin, TX and the surrounding area..Texas’s state capital, Austin is known for its legendary live music, abundant outdoor recreation spaces, and vibrant tech scene. So, it’s no wonder the city ranks among the top five in terms of homeowner happiness..Construction plumbing contracting in Austin, TX. We appreciate you taking the time to consider HHCC for your construction and plumbing needs. HHCC has been exceeding customers’ expectations since ..Plumbing is any system that conveys fluids for a wide range of applications. Plumbing uses pipes, valves, plumbing fixtures, tanks, and other apparatuses to convey fluids. Heating and cooling HVAC , waste removal, and potable water delivery are among the most common uses for plumbing, but it is not limited to these applications. The .