It is hard to know which vendors you can trust these days and which ones are trying to upsell but my experience with Ray and his technicians Arnold and Dylan have been outstanding!! They are always helpful, go the extra mile, and explain what they are doing. They installed my first replacement unit and always there when I need help. I know who I will be calling for replacing my second unit when that is shot and when I need continued service or repair. I trust ABC Heating & Air to do the job well!