Dais Analytic Corp. announced that it has been selected to receive grant funding by the U.S. Department of Defense’s (DOD’s) Environmental Security Technology Certification Program (ESTCP) for development and installation of an advanced outside air handling system using Dais’ patented Aqualyte material.

I simply don’t know of any way to reduce chiller maintenance (recommended scheduled maintenance), below industry standards and manufacturer recommendations, without reducing the system’s long-term efficiency and working life.

This article compares three schemes of fan control used on large air conditioning and refrigeration condensers. The first scheme is step control; the second is a hybrid with a VFD on only one bank of fans, while the rest remain step controlled. The final, and most efficient, scheme is VFD control of all fans, at all times.

Sometimes you may have to play mediator and ask tough questions to get homeowners communicating with each other about a furnace, an air conditioner, or a necessary plumbing repair when they can’t even agree on what’s for dinner. That’s allowing yourself to get naked with homeowners.

A new partnership will bring the Vermont-manufactured AllSun Tracker solar electric system to homeowners and businesses throughout northern New England. The dealer partnership is between installer ReVision Energy and solar tracker manufacturer AllEarth Renewables.

Bob and Tim have arrived back at the apartment building where they have been working for several days inspecting and making necessary repairs to the building’s split-system heat pumps. Bob said, “Check the list for another unit that seemed to have a problem and let’s take a closer look at it.”

In a little more than a year, 34 major corporate customers have installed, deployed or purchased more than 250 fuel cell power systems and hundreds of backup power units, totaling more than 30 MW of power. “The Business Case for Fuel Cells 2011: Energizing America’s Top Companies,” profiles this select group of companies.

Boeing Co. is trying to expand production and add manufacturing capacity, something most other companies can only dream about doing in this economy. Unfortunately, Boeing has hit a snag. But it is not the economy that is hampering the company. It’s the National Labor Relations Board (NLRB).

Canadian thermoplastic parts manufacturer Plastech Inc. wanted solar technology to eliminate the $6,000 (CAD) annual natural gas energy costs of heating its shipping area, but without the expense of altering its ivory color building’s aesthetic exteriors or painting it a darker, more absorptive color.

Honeywell and Haier Group have announced the establishment of the Honeywell-Haier Joint Innovation Center, located in the R&D center of Haier in Qingdao, China.