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Challenged to do more with less, data centers are seeking innovative ways to keep operating costs as low as possible — all while computer technologies may be changing as often as every three months. In a market demanding denser and more powerful electronics, data centers are pressed for cooling technology that can keep up with the times.

Long before President Trump was elected in surprise fashion in November, the House Ways and Means committee quietly put together a plan to modernize our tax system. It was published June 24, 2016, and is known as “A Better Way: Our Vision for a Confident America”, which is available online for review.

Bob and Tim have just repaired a leak on a 10-ton commercial air conditioning system and are ready to charge the unit. The system has a thermostatic expansion valve (TXV) for the evaporator.

To keep their units operating at peak efficiency, homeowners are encouraged to schedule regular system maintenance. However, there are a number of problems with this approach. As a result, companies are developing hardware/software products to provide a means for monitoring and maintaining optimum performance of residential HVAC units.

Under the administration of Donald J. Trump, employers may be able to anticipate many changes in the regulatory and legal environment. In particular, the National Labor Relations Board (NLRB), which had been very pro-union under the Obama adminstration, may shift its focus.

Your role in this month’s troubleshooting situation is providing a second opinion on a failed compressor diagnosis. The customer’s complaint is that the unit isn’t cooling properly — the equipment is a heat pump package unit that is just past the warranty period for the compressor.

Welding fumes aren’t good to breath, and all regulatory agencies agree that welding fumes should be directed away from the welder’s breathing zone when local exhaust ventilation (LEV) is being used. While all fumes are bad, some fumes are recognized as more hazardous than others. One such fume is hexavalent chromium, which is produced when welding stainless steel and other materials containing chromium.

Whether you focus on HVAC, plumbing, or another contracting specialty, you got into the contracting business because you wanted to be your own boss and love what you do. If you lose focus, worry about accountants, and stop thinking about what you are good at, you can fail. Adding effective habits will help you determine your strengths and weaknesses.