Doing things right the first time.
Diagnosing systems honestly.
Being honest and open about the process, whether for repairs or replacement.
Educating the homeowner a little bit to give them the knowledge to make the best decision possible, when it comes to repairs/replacement.
Being available to answer questions or offer guidance.
Keeping up with the never ending changes of the trade.
Continuing education. Never stop learning.
Finding/correcting the mistakes of other’s improper practices and band aids.
Standing behind your work.
Always growing and evolving in some way.