General

We left off this discussion with two questions: Why wouldn’t every owner choose water cooled if it is more efficient, even if it is more expensive from a first cost standpoint? And when we say that one system is more efficient than another, how does that translate in a practical sense to an owner�...

When selecting an air conditioning system for a new building, a choice that has to be made early in the process is whether the system should reject heat to the atmosphere by evaporating water (water cooled) or by radiating heat from coils, as is done in a car’s radiator (air cooled). This blog ser...

Feeling good in our homes or offices isn’t just a matter of having a beautiful space: No matter how fabulous your furnishings, a poorly designed indoor environment can literally make you sick. Building green means considering not only the environmental impact of materials and construction, but ...

Sometimes it is useful to think about the history of our industry.  Eighty-five years ago, Willis Carrier gave an interview to a magazine that became today’s, “Heating, Piping and Air Conditioning” magazine. The year was 1929, and commercial air conditioning was essentially celebrating its 2...

If you’re serious about saving money, conserving energy, reducing water consumption, improving indoor air quality, making better building material choices, and driving innovation, then LEED is the best choice. Bar none. Third-party certification verifies that your project is designed, built and op...

              It’s no secret that running air conditioning equipment costs money. In fact, if you operate a typical commercial office building in Southern California, air conditioning comprises 30-40% of your monthly energy bill.  The primary energy users in pac...