Excellent service, work, pricing. Prompt, friendly, courteous, and professional. AOK installed a replacement heat pump for me. The service and unit far exceeded expectation. I had 2 additional estimates for the service. One was more than double the price quote of AOK, the other within a few hundred dollars. I chose AOK because they were on time for estimate, friendly, prompt in responses to my questions, quick install schedule, locally owned and operated, and recommended by others. I made the correct choice and will use them again and do recommend them to others.