High-efficiency rooftop units
Energence 20- to 30-ton rooftop units by Lennox Industries
Lennox Industries has introduced its high-efficiency Energence 20- to 30-ton rooftop units. These models will replace the Lennox L Series 21- to 30-ton rooftop units, without requiring curb or utility connection modifications. The Energence rooftop units offer higher efficiency levels above their L Series predecessors, with up to an 8% improvement in EER and a 10% improvement in IEER efficiency ratings. They are available in 20-ton gas/electric and electric/electric variable air volume (VAV) models, as well as 25- and 30-ton gas/electric and electric/electric constant air volume (CAV) and VAV models. Most new models exceed the Consortium of Energy Efficiency (CEE) Tier 2 standards.
Lennox Industries Inc.
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Annual Salary Survey
In a year when manufacturing continued to lead the economic rebound, it makes sense that plant manager bonuses rebounded. Plant Engineering’s annual Salary Survey shows both wages and bonuses rose in 2012 after a retreat the year before.
Average salary across all job titles for plant floor management rose 3.5% to $95,446, and bonus compensation jumped to $15,162, a 4.2% increase from the 2010 level and double the 2011 total, which showed a sharp drop in bonus.