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Why Windows Matter

Posted By Tom Herron, NFRC, Monday, March 02, 2015

 

NFRC's CEO, Jim Benney, discusses the benefits of windows, doors, and skylights beyond energy efficiency. From earliest history to modern science, windows matter.

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What Consumers Need to Know About Window Warranties

Posted By Tom Herron, NFRC, Monday, January 26, 2015
One of the most important things about purchasing energy efficient windows, doors, and skylights is finding a manufacturer who will stand behind their products and provide good customer service well beyond the initial sale.

 

When you see the National Fenestration Rating Council’s (NFRC) energy performance rating label on windows, doors, and skylights, it’s telling you they have been independently tested and certified to perform as advertised.

 

As with any other product, however, performance ratings are merely a snapshot. The product may not retain its original performance values throughout its lifecycle.

 

For example, a window’s U-factor might change if the gas filler between the panes of glass leaks when a seal fails. It can also change if low-E coatings, frame conductivity, or suspended films become compromised.

Similarly, the solar heat gain coefficient (SHGC) may change as coatings, tints, or laminated/ suspended films degrade over time.

Additionally, badly-worn weatherstripping, a warped frame, or inoperable hardware can increase air leakage.  

It’s hard to foresee whether any of these things will happen and even more difficult to predict their impact. That’s why you need a reliable warranty to protect your purchase. Be sure to talk with others who own similar products, and ask the seller these questions:  

  • Is the warranty pro-rated?
  • Is it backed by the seller or the manufacturer?
  • Is there a cost to service the window if a warranty issue arises?
  • If you sell your home, is the warranty transferable? If so, what is the cost?
  • Who will service the warranty if the company goes out of business before it expires?

“Lifetime” is a term likely to be included in any warranty, but it doesn’t always mean what it implies. Many consumers interpret this as the owner's lifetime, the lifetime of the product, or the lifetime of the manufacturer. The definition, however, can vary.

In Colorado, for example, the law doesn't define the word “lifetime” when used in a contract. In fact, it can mean whatever the person offering the warranty wants it to mean — as long as they tell you.

California, on the other hand, requires lifetime warranties to cover at least three years.

Finally, keep in mind that the Federal Trade Commission (FTC) says a warranty period that is not clearly defined constitutes deceptive advertising.

Before you get too impressed by any warranty for windows, doors, or skylights be sure to read the fine print -- no matter what anyone tells you – and be sure you know for yourself exactly what it covers.

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Visit NFRC's Booth During IBS Show

Posted By Tom Herron, NFRC, Tuesday, January 20, 2015

If you're attending the International Builders' Show in Las Vegas, be sure to visit NFRC at booth 2649 in the South Hall.

The exhibit hall is open from 9:00 a.m until 5:00 p.m. (PT) on Wednesday, January 21 and Thursday, January 22.

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People Are the Key to Maximizing Energy Efficiency

Posted By Tom Herron, NFRC, Saturday, December 20, 2014
An online report says maximizing energy efficiency depends on educating building occupants.

In certain cases, features designed to save energy are simply mentioned in meetings or emails, often leaving occupants without a thorough understanding of the role they play in influencing the buildings overall energy use. The report says educational programs designed to help people interact with buildings can lead to improvements.

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NFRC Offers Free Fact Sheets to Help Retailers Educate Customers

Posted By Tom Herron, NFRC, Monday, December 01, 2014

The National Fenestration Rating Council (NFRC) empowers consumers who are in the market for energy efficient windows, doors, and skylights.

NFRC is an independent, third-party certification organization. Its ratings represent the only way consumers can be sure these products will perform as advertised.

Under its Retailer Program, NFRC helps window, door, and skylight retailers educate their customers at the point of purchase. It does this by providing free fact sheets retailers can use to explain the energy performance numbers found on the NFRC label.

NFRC created its Retailer Program after noticing an increase in the number of calls from consumers inquiring about how to make the best purchasing decision for themselves.

NFRC has received positive feedback from many of its nearly 250 participating retailers.

It’s easy to get involved. Retailers simply need to contact NFRC. It will ship fact sheets to retailers at  no cost and re-stock supplies as needed.

"Everybody wins," says Tom Herron, NFRC’s Director, Communications and Marketing.  "Consumers get the information they need at the point-of-purchase, retailers improve the likelihood of making sales rather than having their customers go home to think about it, and NFRC gets some recognition.”

Retailers can learn more about the program by contacting NFRC’s Communications Manager, Robin Merrifield.

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Journal of Clinical Sleep Medicine Says Daylight Has Positive Influence on Workers

Posted By Tom Herron, NFRC, Tuesday, November 04, 2014

In addition to making our homes and buildings more comfortable and energy efficient, windows, doors, and skylights contribute to improving our health and well-being.

A study published by the Journal of Clinical Sleep Medicine says office workers with windows in their workspace are more physically active and also sleep better.

The study reached this conclusion after comparing 27 workers who had no windows to 22 workers who received significantly more daylight.

Details

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Occupant Behavior Affects Window Performance, Overall Efficiency

Posted By Tom Herron, NFRC, Friday, October 17, 2014

High-performance windows, doors, and skylights can make our homes and buildings more comfortable and energy efficient, but maximizing their contribution depends on occupant behavior.

It’s easy to overlook the role people play in contributing to green building and sustainability. When we think about high-performance structures, we often focus on design, construction, and technology. With Americans spending 90 percent of their time indoors, however, the way people interact with these structures is also important for improving overall building performance.

In hot sunny climates, for example, measures that reduce energy consumption yet sacrifice comfort are unlikely to achieve their intended results. This is because occupants generally act to override their discomfort. For example, they may draw the curtains across high-performance windows on a sunny day and turn on the lights to avoid glare.

Considering the building’s orientation during the integrated design process, however, can lead to better solutions. For instance, planting deciduous trees or shrubs near windows and installing canopies or awnings helps harvest (free) daylight while controlling solar heat gain and glare.

Similarly, installing windows with Low-e coating can improve occupant comfort and energy efficiency. These are ideal for heat-dominated climates because they preserve visible transmittance. They also reduce solar heat gain and glare. If you need a solution for an existing home or building, window films are a good option.

Another example of building occupants acting to override their discomfort occurs during the winter. People sometimes raise the thermostat and open multiple windows so they can enjoy fresh air without getting cold. Although rare in hot climates, this may present a challenge between December and February, when nighttime temperatures dip below 40 degrees.

A more effective solution is installing operable windows, which allow natural ventilation and prevent Volatile Organic Compounds (VOCs) from accumulating. Operable windows also provide an important psychological benefit – the feeling of control over one’s environment.

The bulk of our energy consumption comes from seeking the balance among comfort, energy efficiency, and good indoor air quality. E
ncouraging more interaction between occupants and the built environment helps them better understand how their actions affect their surroundings and their utility bills.

In the future, the highest-performing buildings may not be those that initially exceed code. Instead, they may be the ones that provide an engaging environment where occupants share responsibility for managing energy consumption.

In fact, making buildings perform better depends on educated and committed occupants who proactively interact directly with the buildings they inhabit. While ever-expanding technology will continue providing new ideas, tools, and equipment for making improvements, our actions are what ultimately get the job done.

As Kathryn Janda of the Environmental Change Institute at Oxford University said in her
paper of the same title, “Buildings don’t use energy – people do.”

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NFRC Announces Student Film Winners

Posted By Tom Herron, NFRC, Wednesday, October 08, 2014
Winners of the National Fenestration Rating Council (NFRC) Student Film Contest, held as part of the NFRC 25 Year Anniversary, were announced at the NFRC Fall Membership Meeting.

 

Prizes were awarded as follows:

           

First place ($1,500) – Michelle Gupta and Jessica Wu

            Second place ($750) – Carlos Perez

            Third place ($500) – Emily Blazek

 

All three films are posted to the NFRC website.

 

Film makers were challenged to create a short film, less than five minutes in length, and which answered the question “why do windows matter?” The panel of judges scored entries based on how well it answered why windows are important, the focus on fenestration, creativity, and if NFRC was mentioned.

 

Congratulations to all of the winners and thank you to everyone who participated.

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Windows that Reduce Peak Cooling Loads Reduce Costs

Posted By Tom Herron, NFRC, Tuesday, October 07, 2014

High-performance windows protect the air-conditioned space inside your home or building from the hot, dry climate and provide several important benefits.

In addition to lowering equipment and utility costs by allowing you to opt for a smaller HVAC system, high-performance windows help utility companies reduce peak cooling loads. These two benefits working in tandem reduce energy consumption while maintaining a comfortable indoor environment and minimizing greenhouse gas emissions.

In hot climates, the peak cooling load refers to how much air conditioning capacity is needed to maintain a comfortable indoor temperature, typically 75 degrees Fahrenheit on especially hot days. Meeting peak demand, however, isn’t necessary most of the time. In fact, it varies with the time of day and the time of year, and it seldom occurs for more than several hours per month.

Nevertheless, peak demand presents a dilemma for utility companies. They must maintain adequate capacity to meet customer demand – even during the hottest summer days when many people run their air conditioners constantly.

Remaining poised to meet peak cooling demand can create additional expenses for consumers. Some utility companies implement demand charges to cover the high costs they pay for their generating and transmitting capacity even though it sits idle most of the time.

By minimizing peak cooling loads, utility companies bypass the need for additional generating capacity. This allows them to circumvent the expense of building new power plants. It also benefits their customers by keeping rates down.

Windows are typically the
largest source of unwanted heat gain in homes and buildings. According to the U.S. Environmental Protection Agency (EPA), even the best-performing windows provide less insulation than the worst walls or roofs. Windows are also a common source of air leakage.

Furthermore, windows that allow high solar gain create additional heat into your home or building, where it’s already being generated by people, lights, equipment, and appliances. E
liminating windows is normally impractical and undesirable, yet replacing them is often economically feasible, particularly when part of an extensive renovation.

In fact, the windows and glazing systems in homes and buildings constructed during the 1970s and earlier are beginning to fail. These systems are often comprised of single-pane glass. A home or building with windows that need replacing offers an opportunity to make upgrades that contribute to reducing peak cooling loads.

Finally, some utility companies provide financial incentives to builders and homeowners making these upgrades, and this offsets the cost of installing high-performance windows.

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Strawn, Rygg, Larsen Receive BOD Service Award

Posted By Tom Herron, NFRC, Tuesday, September 30, 2014

During this year’s Fall Membership Meeting, NFRC had the privilege of awarding three deserving members the Board of Directors Service Award. 

This award recognizes the time, experience, and integrity that NFRC’s members have given the organization through their contribution on the board.

“Their positions require not only their time, but also for them to put aside their personal interests and make decisions based on what is best for NFRC,” said Jessica Finn, NFRC’s Membership Coordinator. 

This year’s awards were given to Steve Strawn from Jeld-Wen, Inc., Tony Rygg from William Rygg Consulting, and Jim Larsen from Cardinal Glass Industries. 

Collectively, these three members have given over 40 years to NFRC.

“As we are celebrating 25 years, we are also celebrating the great contributions that these three members have made to NFRC,” Finn concluded. “On behalf of NFRC, I congratulate and thank all of them for their service.”

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