In Phoenix and surrounding Valley communities, Penguin Air, Plumbing & Electrical combines hot-water and water-quality service with a published range of related home-system services. For homes with hard-water concerns, water softener service sits alongside water-heater and general plumbing work. Around the core hot-water and water-quality service offering, Penguin lists leaks, piping, and water treatment, air conditioning, furnaces, and mini-splits, electrical repairs and installations, and drains, sewers, and water lines as additional... read full review »