For more than 35 years, Denney's Plumbing, Heating & Air has proudly served Sioux City, IA, and the surrounding Siouxland area with dependable, professional service. Specializing in septic work, hydro jetting, vacuum trailer services, sewer and water line repairs, and new installations, our experienced team is equipped to handle projects of all sizes. Whether residential or commercial, we take pride in delivering quality workmanship, reliable solutions, and the kind of honest, hometown service our customers have trusted for decades.