Posts tagged ‘LEED’

January 18, 2017, 9:00 am

Project Profile: Stash Residence

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When Jenny and Aaron Stash wanted to settle down in Northbrook, Illinois, a suburb of Chicago, they searched for a house that would meet their requirements. For the Stashes, that meant sustainability, high indoor air quality and energy efficiency. After an unsuccessful search, the Stashes decided to build a home of their own. They carefully designed and built a three-floor, 3,500-square-foot house and incorporated many sustainable elements into its architecture. The Stashes outfitted the home with bamboo flooring, fiber-cement siding, LED lighting and one of our extremely energy-efficient cooling and heating systems.

The Stashes called in Michael S. Kollman, AIA, LEED AP and the president of SmartHaus, Inc., Prairie View, Illinois, a high-performance home design-build company, to find an HVAC system. The selected system would need to provide year-round comfort and be energy-efficient. Kollman worked with two University of Illinois engineers to find an answer for the house. The result: our Zoned Comfort Solutions™.

Kollman said, “Mini-split heat pumps with a conditioned energy recovery ventilation system would give us all the features we wanted and the highest-obtainable indoor air quality. We also looked at geothermal, radiant and forced air systems, but because the envelope is so efficient we just didn’t need a tremendous amount of energy. Mini-splits were the perfect solution.”

The Stashes’ home qualified for LEED® Platinum certification thanks, in part, to our system’s ability to reduce distribution losses and optimize energy. In addition to helping achieve LEED certification, our system also allowed the Stashes to see a great reduction in energy usage. Compared to other houses in Illinois, the Stashes’ home uses just one-quarter of the energy each month!

To read more about the Stashes’ LEED-certified home and how it saves energy all year round, check out the full case study.

Written by MitsubishiHVAC
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September 20, 2016, 9:00 am

LEEDing the Way

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On September 24, 2016, the Smithsonian Institution will cut the red ribbon to its 19th museum. Taking the last vacant site on the National Mall in Washington, D.C., The National Museum of African American History and Culture houses over 36,000 artifacts telling stories about how African Americans contributed to the foundation of today’s society. We are deeply honored to be a part of this momentous occasion and this important landmark.

Lead designer David Adjaye and lead architect Philip Freelon designed the building by drawing inspiration from cultures such as the Greco-Romans and Africans. The well-recognized, bronze-colored lattice wraps the entire building but also allows natural sunlight to brighten the interior. Adjaye’s exterior design choice was just one factor that helped the building become the first among the Smithsonian museums to earn LEED® Gold certification. The building contains other systems contributing LEED points, including solar hot water panels on the roof, a geothermal groundwater system and our CITY MULTI® Variable Refrigerant Flow (VRF) zoning system.

To experience this historic opening and learn about history in a comfortable environment, check out the museum’s website to reserve free passes.

Photo Credit: Tony Hisgett on Flickr.com; licensed by Creative Commons
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December 1, 2015, 4:56 pm

Project Profile: Boston University Leventhal Admissions Center

Boston University Admissions CenterBound between Boston’s historic brickwork and manicured riverfront, Boston University (BU) strives to exist as a traditional campus housed in an urban environment. The school recently renovated with this goal in mind, transforming the old BU Hillel House into the Alan and Sherry Leventhal Admissions Center. Our VRF systems updated the building’s aesthetics and performance to meet the needs of the 1,400 daily visitors, and helped the project achieve LEED® Gold certification.

Todd Symonds, project manager and associate principal of design firm Goody Clancy, described the need to expand the space in order to maximize its appeal: “When the building was the Hillel House, it had been a very introverted and inward-looking building. … We had the opportunity to transform the building from an introvert into an extrovert, to meet the needs of the University’s program for Admissions.”

The design team selected our VRF technology to help expand this “inward” space, as our systems offered a smaller footprint than traditional HVAC. With VRF, a more dramatic look was possible without compromising the original building’s architecture – a success recognized by the Boston Preservation Alliance with a 2015 Preservation Achievement Award. Surpassing Boston’s LEED Silver-level requirement was also possible with VRF, due to its impressive energy efficiency.

Want to learn more about the transformation? Read here.

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September 24, 2015, 9:54 am

Suites on Paseo

California is home to some of the most demanding energy standards in the nation. The Suites on Paseo (Suites) is a San Diego student housing complex that followed these standards, culminating with LEED® Silver certification and 287 very comfortable students. This result required a creative HVAC solution for the complex’s 98,000 square feet of space – one that would meet codes and high student demands.

The system that could meet all of these requirements was our Variable Refrigerant Flow (VRF) system. The technology enabled Suites to be split into 300 separate zones across three buildings, all controllable from a central computer. Lee Rich, the building maintenance supervisor, said, “From the computer in my office, my Mitsubishi Electric controls network allows me to override every single fan coil on this property. That’s impressive.”

Even more impressive – LEED Certification Specialist Michael Bigelow noted that “the system provided a 40 percent annual kWh savings. This foundation allowed our all-in design to beat the baseline by 46 percent, which got us 11 out of 10 LEED points in the v2.2 system. Yes, there’s a bonus point in there.” Such energy savings and overachieving, a mark of our technology, will make Suites a comfortable, healthy place for students to live for years and years to come.

Learn more about the Suites on Paseo.

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August 18, 2015, 2:19 pm

Top 10 Countries for LEED® Green Building

August 18_Top 10 Countries for LEED ImageThe U.S. Green Building Council released its annual ranking of the Top 10 countries for LEED® outside of the U.S.

The countries are ranked by the gross square meters (GSM) and number of LEED projects in their respective nations. Canada takes the lead with over 26 million GSM of LEED space. Canada also boasts over 4,814 LEED-registered and LEED-certified projects.

The list also includes several developing countries, such as China and India, which are projected to be the largest contributors to climate change in the coming years. Their inclusion on the list shows the growth of green building and the importance of LEED in controlling emissions and staving off global warming.

Although the list focuses on countries outside of the U.S., the U.S. remains the largest market for sustainable building and construction.

Here are the other countries leading the world in green building:

  1. Canada
  2. China
  3. India
  4. Brazil
  5. Republic of Korea
  6. Germany
  7. Taiwan
  8. United Arab Emirates
  9. Turkey
  10. Sweden

Check out the full ranking.

May 13, 2015, 4:44 pm

Project Profile: M Station Apartments

Foundation Communities is a nonprofit organization dedicated to building sustainable and affordable homes for low- to moderate-income families in Austin, Texas. The M Station community is a result of this effort.

Architect Sunshine Mathon, LEED AP and director of design and development for Foundation Communities, designed M Station with an aggressive green building goal of LEED® Platinum certification. A vital component to meeting this goal was our VRF technology.

Mathon selected our R2-Series heat pump systems for the job. Conventional systems would have required 150 compressors for M Station’s 150 apartments – only 19 of our outdoor units were needed. Occupant comfort was the utmost importance. Our systems deliver best-in-class climate control for the tenants year-round.

M Station ultimately exceeded the certification requirements by more than 25 points. To learn more about how our VRF technology helped, click here.

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March 19, 2015, 11:12 am

The Landscape Is Green…But It’s Shifting

Source: Asia Green Buildings

Source: Asia Green Buildings

The past decade has seen countless studies reaffirm the bright future of green. The number of passive and net-zero projects rises each year and LEED® plaques now adorn building after building. It’s safe to say that the market’s desire for green is here to stay– but recent industry studies have revealed a more nuanced mindset.

A key component to this nuance is the idea that people no longer just want green products, they now want green companies. The Shelton Group’s latest Eco Pulse study found that “corporate commitments to sustainability are becoming a baseline criterion for product consideration.” A label on a product doesn’t cut it anymore; people want proof that companies are authentically dedicated to sustainability. For companies like us that already embody this dedication, these Eco Pulse findings are good news.

They’re not all good news, though: “Respondents reported fewer sustainable activities on average last year, and only 27 percent reported high activity levels (down from 34 percent last year).” In short, green purchases are down.

These contrasting trends represent a conflicted mindset among consumers: an emerging interest in supporting green companies but a hesitation to put money down. Perhaps people are re-evaluating how they define a sustainable purchase and investment. Perhaps the country’s emergence from a multi-year recession has changed purchasing habits. It’s unclear what has caused this shift.

What we do know is what this shift means going forward. It means companies will have to practice what they preach. It means the leaders in the industry will be the ones offering green products and implementing green practices in their corporate environments. It means the building landscape is changing.

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March 5, 2015, 2:32 pm

Project Profile: Little Green House


The lot where the Little Green House resides in Nashville, Tennessee, sat vacant for some time before builder Ryan Nichols, co-founder, Green Home, took interest. The land was tricky to build on due to steep topography and its small size. Nichols, however, saw the lot’s limitations as inspiration to design one of the area’s first passive solar houses.

The result was an 1,100-square-foot icon of sustainable residential development. The home features an angled tin roof with an overhang to control incoming light, a cantilevered second floor, charred oak siding, a rain garden and a glass garage door. Nichols’ team selected our ductless zoning system for the HVAC design. The system’s high efficiency, quiet operation and zone control made it a perfect fit for this sustainable bungalow.

Our ductless system also helped the team achieve its energy goals. The Little Green House averages an impressive $75 per month in electricity bills and earned LEED® Platinum certification from the U.S. Green Building Council.

Click here to learn more about the construction of this home.

March 4, 2015, 9:53 am

Top 10 States for LEED®

The U.S. Green Building Council (USGBC) released its annual ranking of the Top 10 States for LEED®. The list ranks the states based on the per-capita square footage of LEED-certified commercial and institutional projects. Illinois topped the list for the second year in a row.

Here are the states that are leading the nation in green building today:
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  1. Illinois
  2. Colorado
  3. Maryland
  4. Virginia
  5. Massachusetts
  6. Hawaii
  7. California
  8. Georgia
  9. Minnesota
  10. Arizona, New York (tie)

Click here for the full ranking and here to learn about USGBC’s rating system, LEED v4.

August 14, 2014, 10:42 am

Keep an Eye Out for Our Newest Ad!

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We recently rolled out a nine-month-long print trade ad campaign highlighting installations that feature our industry-leading Variable Refrigerant Flow (VRF) zoning technology. The ads highlight VRF zoning’s unique solutions for solving difficult design challenges in urban areas throughout the country. Our newest print ad features Chandler City Hall, Chandler, Arizona, a five-building, 137,000-square-foot civic center that needed the perfect HVAC system to provide critical cooling for the building’s server rooms and data closets. The center became one of only 24 city halls in the U.S. to receive LEED® Gold certification from the U.S. Green Building Council after the installation of our VRF zoning systems.

Look for the ads in upcoming issues of ARCHITECT magazine. Click here to learn more about Chandler City Hall.

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