Quality Service. Quality Product. Quality People. As one of the finest mechanical contractors in the Southwest, Sun Mechanical fabricates, installs and maintains mechanical systems for hospitals, laboratories, universities, hotels, manufacturers, public utilities, defense contractors and others. We provide everything you need in one place: plumbing, piping, HVAC, fabricated sheet metal, fire protection and more. There is nothing we can’t handle. Over 40 years we have grown into one of the largest mechanical contractors in Arizona for one simple reason: we construct the highest quality projects — on time and on budget — in a safe, professional manner. Our substantial in-house resources in manpower, experience and capabilities, are always provided with an unwavering commitment to the highest standards of quality. We’re proud to say that our reputation reflects that commitment.