Scenario: Single stage residential
cooling equipment. Homeowner complains that humidity is too high at their
desired thermostat setting. Actions: You think this is too easy. Probably a system-related
problem (dirty filter, low charge, dirty condenser; the usual stuff). But you
also realize that it’s been a little cooler than most summers.
Outdoor air brought into a building can be expensive to temper and, if not properly conditioned, can cause humidity problems for the building. Designers are increasingly finding that using dedicated outdoor air systems (DOAS) allows them to comply with ASHRAE 62.1 with an energy efficient and easily verifiable design.
The U.S. Department of Energy (DOE) has actively supported cost-shared combined heat and power (CHP) R&D and demonstration projects. This article showcases four successful CHP demonstration projects, and illustrates its broad applicability across industrial, commercial, and institutional facilities.
The U.S. Department of Energy’s (DOE’s) Industrial Technologies Program (ITP) has identified combined heat and power (CHP) as one of the most important opportunities available today for increasing energy efficiency and reducing emissions. This article explains CHP technology uses and benefits.
As heat densities and cooling costs rise, data center professionals are looking for more efficient cooling solutions. A cold aisle containment retrofit can be implemented easily and quickly, carries a payback time from weeks to a few months, and can reduce cooling related energy costs by as much as 30 percent.
Unfortunately, many fleets simply take a reactive approach to vehicle maintenance. In a widely distributed fleet, that could mean costly repairs, not to mention vehicle downtime. Fleet managers need to be able to monitor and collect data on the “health” of their vehicles to fix problems early and reduce costs.
Mechanical Contractors Education and Research Foundation recently released a
new study that describes green building technologies being
implemented in Europe that could be used in the United States, especially
chilled beams and active or dynamic façades.
Cloud (Minn.) Municipal Athletic Center (MAC) found a way to go green and save
taxpayer dollars in the process. With the installation of a new GeoExchange
system, the MAC is using the earth to maintain the arena ice and heat the
facility, saving electricity and gas as well as reducing greenhouse gas
The previously distinct systems within buildings are converging on standard platforms, applications, and infrastructures. And the synergy created by that convergence is translating into lower construction costs along with increased efficiencies in operations and energy usage.
Combined heat and power (CHP), also
known as cogeneration, is the simultaneous production of electricity and heat
from a single fuel source.
CHP is not a single technology, but an
integrated energy system that can be modified depending upon the needs of the
energy end user.