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Bob and Tim were checking a customer's air conditioner and initially thought the unit must be out of refrigerant or very low on refrigerant. But after adding some refrigerant, the suction pressure did not rise at all. Bob then determined they should look for restrictions in the liquid line or the suction line.

Cooling towers are a relatively inexpensive and reliable way of expelling heat from a number of industrial and commercial applications. As the worldwide market continues to grow, so does the need to address the issue: How large should a cooling tower be to efficiently handle a specific application.

No matter the type, properly designed, specified, installed, and maintained humidification systems can provide years of trouble-free operation. Taking a proactive approach to humidifier maintenance is the single best way to prevent operational issues and unscheduled humidification system shutdowns.

Arlington County, Virginia, is well on its way to a goal of 20 percent energy reduction by 2022. But the county realized it could do more — and do it quicker — if it had a modular solution that could optimize energy usage among multiple building devices.

In reading a recent article by The NEWS’ long-time refrigeration columnist, Joe Marchese, titled “Ice Breaker: Do It Right - Clean, Dry, and Tight,” I realized that two out of three of those items apply to advertising. Clean and tight are essential to do it right.