Homeowner's Guide To Expert AC Maintenance: Part 2 Published on April 21, 2017 We previously brought you part one of our series The Homeowner’s Guide to Expert AC Maintenance. This time BW/Cook Service Experts Heating & Air Conditioning is back with part two in our series where an expert technician explains what to look for when you purchase an air conditioning tune-up to help homeowners get the most from their purchase. Back To BlogContact Us