Tag: solar heat

Solar gain (also known as solar heat gain or passive solar gain) refers to the increase in temperature in a space, object or structure that results from solar radiation. The amount of solar gain increases with the strength of the sunlight, and with the ability of any intervening material to transmit or resist the radiation.

HVAC Payback

HVAC Payback

If owners of commercial office buildings can incorporate variable-frequency drives (VFDs) into their HVAC systems, more often than not they probably should, says Pete Miceli, vice president, regional engineering manager for real estate service, development, and investment management at Transwestern’s Midwest office. Recently, Transwestern installed VFDs for supply and return

Making Power Multitask With CHP/CCHP

Making Power Multitask With CHP/CCHP

Cogeneration, or combined heat and power (CHP), uses a heat engine or power station to generate electricity and heat for onsite uses. Trigeneration, or combined cooling, heat, and power (CCHP), is the simultaneous generation of electricity and useful heating and cooling as a result of the combustion of fuel or

Guest Commentary: Can Your Windows Do This?

Guest Commentary: Can Your Windows Do This?

There are many options to choose from when it comes to improving commercial building performance and reducing utility costs without breaking the bank. While investing in energy efficiency initiatives is a smart business move in most cases, it’s also important to find a balance between a project’s upfront costs and the expected return on

Public Sector Buildings Capitalize on Energy Efficiency – Part 3

Public Sector Buildings Capitalize on Energy Efficiency – Part 3

Energy efficiency projects throughout the public sector are slashing energy costs and demonstrating a variety of technologies. In some cases, the savings can amount to better than 50%, and paybacks can be swift. How are these projects accomplished? Let’s take a look at the methods and technology behind these projects,

CxEnergy Conference Program

CxEnergy Conference Program

(Washington, DC January 16, 2015)-CxEnergy 2015, the only conference and exposition exclusively designed for energy management and building and facilities commissioning, released the preliminary lineup of speakers and topics for its technical program. Building on the success of last year’s program, the 2015 edition includes longer, more in-depth sessions to

Public Sector Buildings Capitalize on Energy Efficiency

Public Sector Buildings Capitalize on Energy Efficiency

Energy efficiency projects throughout the public sector are slashing energy costs and demonstrating a variety of technologies. In some cases, the savings can amount to better than 50%, and paybacks can be swift. How are these projects accomplished? Let’s take a look at the methods and technology behind these projects,

Forecast for Lighting Efficiency: Mostly Sunny

Forecast for Lighting Efficiency: Mostly Sunny

A quest for energy savings, sustainability, low-maintenance requirements, better visibility, and lower lifetime costs are the driving factors behind the choice to upgrade indoor and outdoor lighting with more innovative technologies. “The dilemma in the daylighting industry is to bring daylight into the building without compromising the building envelope,” points

New Solutions for Old Problems

New Solutions for Old Problems

When the owners of the St. Johnsbury Athenaeum-home to one of the oldest art galleries in the US-needed a new solution for an old lighting problem, they installed one of the newest building envelope technologies available: dynamic glass. For decades, the administration sent a worker to the roof each year

Built-in Efficiency

Built-in Efficiency

Building envelopes are encompassing an increasing use of renewables as interdisciplinary cooperation between architects and engineers, and an emerging preference for outcome-based designs is ramping up. Addressing renewables and Leadership in Energy and Environmental Design (LEED) certification, Joe Murray, a principle design architect with IDC Architects, a wholly owned subsidiary

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