A huge crane was busy early this week lifting new heating, ventilation and air conditioning units onto the roof of Lamesa Middle School. Lamesa school board members agreed in March to contract with E3 Energy Solutions to replace 162 rooftop units and nine smaller wall units throughout the district at a total cost of over $2.93 million. That price includes the installation of networkable, Wi-Fi-based thermostats. The district expects to save at least $180,000 per year in energy costs and maintenance expenses. LPR photo ...