Harbour Group’s CPS Products Inc. has acquired the assets of AAB Smart Tools LLC, an Orlando-based developer of smartphone-connected tools for HVAC technicians.

AAB's current product line includes a dual-port static pressure meter, airflow and environmental meters, temperature and humidity measurement and data loggers, and a variety of useful accessories.  A strong pipeline of additional products will reach the market in coming months.

CPS Products designs tools for professional service technicians, including leak detection, smart diagnostic and maintenance solutions.

Harbour Group, a holding company based in Clayton, Mo., that buys manufacturing, distribution and specialty services companies, is one of St. Louis’ largest privately held companies, with estimated 2015 revenue of $1.3 billion.