I have come to the conclusion - again - that the more things change, the more they stay the same. I’m referring to the hectic work schedule that HVAC contractors, especially those in my economically-challenged region of southeast Michigan, are trying to keep up with during the very hot summer last year.

Approximately two years ago, the United States Navy issued a solicitation for innovative ideas on how to decrease the size of heat exchangers on mobile equipment. The solicitation eventually funded several heat exchanger proposals. Our company was one of many that submitted proposals that were not selected.

In the first column in this series, “Customers and True-Blue Customers” (Jan. 17), we identified that the most important number that matters is the number of repeat customers you’ve established. In this column, we’re going to take a lesson from elementary school and apply it to retaining customers.

For many employers, properly calculating overtime can feel like an unending process. Factoring in break times can be complicated. Employees who may seem exempt from overtime may actually be entitled to it under the Fair Labor Standards Act (FLSA). Unfortunately, miscalculating overtime can be costly for companies in terms of fines and lawsuits.

The HVAC business is relatively simple. Your company’s objective is to find customers, solve their problems, and serve them in a capacity in which they will use you again in the future. Herein lies the question and the challenge: How well are you doing at retaining your customers?

There are 168 hours in a week. How do you use them? There are 1,440 minutes in a day. How do you use them? Most people waste endless minutes and hours without ever realizing they are doing that. Are you keeping track of your time and using it with purpose?