Have had two emergency calls one a minor fix in winter no heat, today for AC which hopefully will be not too bad a fix. But today they got AC running and working till extended work next week. So I can only say in both cases they were quick to respond, very good work, excellent in giving full explanation of everything they were doing and need to do. Neet clean work (techs wear booties for hardwood floors A+ for that). I would recommend them highly and we will use them in the future for any HVAC work.