How Do I Renew My NC Drinking Water Operator License?
The NC Water Treatment Facility Operator Certification Board (NCWTFOCB) requires that all drinking water certified operators renew certifications annu[…]
Featured Blog Articles
Air-Conditioning and Refrigeration Systems
How Today’s Energy Code Affects Mechanical System Installa...
In the recent past, a mechanical contractor could install very inefficient appliances and equipment with no thought to energy costs. Energy rates were[…]
How To Make Money As An Electrician
According to the Bureau of Labor Statistics, the median wage for workers in the United States in the first quarter of 2019 was $905 per week ($22.[…]
Conductor Derating on a Rooftop Made Easy
Derating conductors for the environment where they are installed is an important consideration for selecting the type and size of conductor for a part[…]
Working Together in the Water Industry: Owners and Operators...
Drinking water, wastewater, remediation, landfill, land application operations, and other operations are intertwined with little formal association wi[…]
Air-Conditioning and Refrigeration Systems
Sound Powered Air Conditioning
What if a refrigeration system could exist without a mechanical compressor, oil, or the typical blended refrigerant? A totally new design that require[…]
