When the weather is warm outside, it’s imperative to make sure that your building’s mechanical cooling systems are working at maximum efficiency. Since budgets are still tight, nobody wants high energy costs or, worse, an equipment failure. The best way to avoid these bad scenarios is to perform a cooling system tuneup.
In this month’s troubleshooting situation, our customer has called to say that the older package unit that heats and cools his office is managing to warm up the area, but then seems to cool down too much before providing heat again. When you arrive, the first thing you note is that the indoor blower motor is operating, and you check the fan switch setting on the thermostat.
The editors of The NEWS combed through every aisle of the 2011 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo) in the Las Vegas Convention Center in order to provide complete, comprehensive coverage of the show. This feature article highlights all of the new products that The NEWS' editorial staff found.
Developers of the Turtle River Montessori School wanted students to have the best possible IAQ, and they wanted to provide it in an energy-efficient manner. Looking for suggestions on how to make this new school’s HVAC system green, Brad Brown of KAMM Consulting approached Charles Eno, sales engineer for Florida Air Conditioning Distributors.
Ice Energy, a leading provider of intelligent energy storage to the electric utility industry, recently announced a strategic relationship with Trane, a business of Ingersoll Rand, to develop and deliver energy storage-compatible, high-efficiency air conditioning solutions for commercial customers.
Consumer comfort with high-tech toys, combined with rising energy prices, have created a good market for manufacturers of thermostats and controls. It’s a far cry from a few years ago, when too many homeowners were too willing to override the energy-saving settings on their programmable t-stats.
Superheat is probably the most talked about, yet misunderstood, technical term used by technicians. Superheat on the system's low side can be divided into two types: evaporator superheat and total (or compressor) superheat.
Although some technicians are unsure of its operation and many customers have no clue it is even there - much less what it does - the economizer continues to fight a lonely battle for recognition as it saves building owners money on utility bills.
A feature story in the Dec. 1, 2003, issue of The News dealt with air conditioning system diagnosis. That article focused on airflow problems. This article concentrates on refrigerant flow problems.
Mini-splits are gaining prominence as a choice for those who want more control over indoor comfort. But for some contractors and technicians, the proper installation of a ductless mini-split is still a confusing and muddy process.
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