We all hate the grounded low-voltage wire that seems so hard to find. To make this challenging diagnosis and repair easier, I take a step-by-step approach when dealing with a low-voltage issue in a residential unit....More

Troubleshooting residential pneumatic zoning systems is usually a simple matter of using the process of elimination. As with most things we encounter in our work, problems with pneumatic zoning systems can be electrical or mechanical, or can be related to the air pressure and vacuum that is used to open and close the system’s dampers....More

NATE CORNER | Top 10 Testing Locations for January 2012 1. International Ground Source Heat Pump Assoc., Stillwater, OK 59 tests 2. Carrier Florida, Orlando,...More

In an ideal world, every technician would be aware of the importance of two words: air balancing. The concept is well-known (if not always well-implemented) on the commercial side of the business, but a very low percentage of residential homes are balanced. And that's a shame, because having the proper amount of air delivered to each room dramatically affects both customer comfort and a home's energy efficiency....More

No matter where we live - whether it's a condominium downtown, a home in the suburbs or a rambling country estate - a few basic needs must be satisfied....More