We are very proud of our ability to serve the entire Phoenix Valley in a timely manner with the most competitive rates. We offer the best technology, quality products, world-class customer service, and warranties. Our wide range of air conditioning & heating services makes Wolff Mechanical your best choice for heating and air conditioning needs. Call Wolff Mechanical for Phoenix AC repair, valley-wide 24 hour emergency service; and all other air conditioning, heating, and water heater services. Our full service residential department is staffed with NATE certified/master heat pump technicians who drive fully stocked service vans. The retrofit install team at Wolff Mechanical is factory trained and proficient in all aspects of residential installations. We pride ourselves in same day service. Your comfort is our top priority.