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Customers want websites that are organized, informational, and easy to navigate, while contractors want websites that attract visitors and ultimately convert them into customers.

John Tomczyk discusses the Wye or Star configuration of the three-phase electrical service, which usually delivers four wires to the building.

Joe Marchese explains the refrigerant flow control device, which prevents the refrigerant pressure in an evaporator from operating below a minimum value, and discusses how to select the right one for the job. 

How can the homeowner be comfortable with a piece of equipment that would condition twice the amount of house? The answer lies in the true performance of the HVAC system.

For new installations, so-called natural refrigerants are Topic No. 1 as the sector wants to get an edge on any possible phase down in production of HFCs.

The coursework includes a construction core course that is compliant with the Occupational Safety & Health Administration-10 (OSHA-10) and six HVAC courses, including NCCER’s apprentice level one through four, Williams said. 

When it comes to boilers and water heaters, manufacturers are sensing an ongoing trend — the move to higher-efficiency models.

2014 could shape up to be an even busier year as a regional standards resolution inches closer, the delayed employer mandate for providing employee healthcare looms, and a variety of other issues come to a head in the next 12 months.

On Jan. 13, Google Inc. announced it had entered into an agreement to buy smart thermostat manufacturer Nest Labs, Inc. for $3.2 billion in cash. 

Water heater and boiler manufacturers are diligently introducing high-efficiency systems into the marketplace with the goal of making life easier for both the contractor and the consumer.