I don't do "excellent" or 5 stars so the next level down does not represent any degree of dissatisfaction. 4.5 stars except for 4 stars for convenience. Comment regarding convenience: Would prefer a 2-hour arrival window rather than 4 hours.
Response from Belair Engineering and Service Company:
Thank you for your heat pump AC air conditioning system repair service call review & your kind words. Gerron is an experienced air conditioner & heat pump repair service technician and a nice, conscientious person. Warm regards, Don Risher VP Belair Engineering