Newland Residence is Greenstar Gold Certified

MN Net Zero Victorian Gut Rehab Officially is Certified Net Zero Energy

Goshorn Woods Single Family GreenStar Homes Gold Certification showcases simple renovation

The MN Brick House project goes GreenStar Gold and scores 10!

Burns Valley, MN GreenStar Gold Remodel uses passive and active solar

Walsh Family Zero Energy Capable Farm House goes GreenStar Gold!

Passive House in the Woods – GreenStar Gold

The Passive House in the Woods [Konkol residence] is a single-family home located in the Town of Hudson, Wisconsin. Located on a one-acre lot on the outer edge of a residential development the home overlooks the St. Croix River valley. The building lot provides stunning views and prime passive solar exposure. With its renewable energy systems, the structure makes more energy than it consumes. It features three bedrooms and three levels, including a walkout basement, as well as a rooftop terrace.Dining-Phwoods

The insulated concrete form substructure was built in the winter of 2009/10, and the home finished in September of 2010. The project is Wisconsin’s first certified Passive House and at the time, one of only a handful of certified Passive House projects in the United States of America.

The building envelope of the Konkol residence is very uniform. The below and above grade walls are made from the same insulated concrete form (ICF) assembly with exterior insulation and finish system. The basement slab rests on foam insulation—the roof deck is topped with foam insulation. The continuous concrete pour inside the ICF forms offers tremendous strength and helps with airtightness. R-values are very high and continuous. Both the garage as well as the exterior steel stair and deck structure are self-supporting and do not interrupt the building envelope.

The North side of the home is largely covered by the garage, which is essentially built up to the home but does not share any assemblies with it—making the house’s envelope continuously the same. There aren’t any windows on the North side at all. The south side opens up for maximum solar heat gains, which are managed by motorized exterior shades.

Covered entry and garage access are located on the main level from the East. The main stair is located along the North wall with storage cabinets lining it on each floor. The main level holds the kitchen, dining, and living area, as well as a powder room. Storage, mechanicals, and a guest suite/ family room are located on the walkout level, which provides access to the backyard.

The upper floor contains two bedrooms and a joint bath/ laundry room. Both the main and upper floor offer access to the exterior decks on the West side, as well as the exterior stair structure on the North side, which connects all levels from the ground to the rooftop terrace. The rooftop terrace holds part of the photovoltaic system and the solar thermal panel. It offers spectacular views over the St. Croix River valley.

The building was designed from the outset to become a Passive House. The first energy model was completed during schematics and subsequently kept current with design evolutions. The construction methods were selected specifically with airtightness in mind. Fenestration and glazing were fine-tuned using the energy model.

In an effort to deliver a holistic and sustainable design, the building was also designed to meet the Minnesota GreenStar Gold level of certification focusing on energy efficiency, resource efficiency, water conservation, indoor environmental quality, and site and community impact.

Fast forward to 2015

This project is our first ever Zero Energy Capable Designated home which means it was designed and tested to be a low energy usage home and be completely offset by renewable energy. Not only that but the Konkol family has gone to great lengths to actually prove the home can obtain Zero Energy in their utility bills and have produced 300 more KWH than they used. This is why we are awarding them with our Zero Energy Hero award for the year 2010 – 2015. They produced 300 kwh more than they had used.  You can see their energy use and generation here. Zero Energy Hero Award Konkol Residence

Tim Eian, the project architect explains this in more detail. 

“In year 1 we identified a couple of commissioning errors, which upon evaluation, were fixed. This lead to lesser consumption in subsequent years.  In 2014 we understand that the solar thermal preheater panel failed (after repeated issues with the solar thermal hardware) and it took some time for it to be replaced, during which electric resistance hot water generation caused a higher than normal energy consumption. In addition, the tracker mechanism on the PV array failed repeatedly and is, as far as I know, defunct now, leaving the panels at a static position, rather than tracking. It is very frustrating to see the renewable systems causing many problems but re-assuring for the envelope-first approach we chose.

You will note at the bottom, that despite the issues with equipment, the overall balance for the site as of last month is still net positive. Please also note that the site is on a well with water filtration, which accounts for approximately 700 kWh per year (we monitored this for a few years), which a home on the water grid would not incur. The owner also maintains a large edible garden, which needs watering in summer and fall. The meter is accounting for all site loads, including the water well and filtration system, exterior lights, etc.”

You can read more about the project costs from this recent Fine Home Building Article

 

http://www.finehomebuilding.com/item/143324/the-low-cost-of-passivhaus-living#ixzz3pmBZl3PB

Highlights
• Passive House solar design
Certified Passive House, PHIUS+ and GreenStar GoldKonkol PHIUS+ Certificate
• 4.7kw Photovoltaic and solar thermal renewable energy systems
• Modern custom design, compact floorplan layout
• Very high-performance thermal envelope R-70 walls, an R-60 slab and an R-95 roof.
• Rooftop terrace and green roof
• Interior walls are made with American Clay Plaster which healthier material that manages moisture
• Extensive gardening
• German-made Optiwin windows and motorized exterior sunshades
• Heat-recovery ventilation system with earth loop
preheater

Full Gallery 

Blog

Project Team 

Design: Dipl.-Ing. Tim Delhey Eian, TE Studio, Ltd.
Interior Design: Christine Frisk, InUnison, Inc.
Landscape Design and Civil Engineering: Laurie McRostie
Structural Engineering: Mattson MacDonald Young
Lighting Design: Carol Chaffee, Carol Chaffee Associates
Construction: Morr Construction
Renewable Systems: Energy Concepts
GreenStar Rater: Pat O’Malley – Building Knowledge

 

 

 

Terra GreenStar IL Gold Gut Rehab

 This is not your average gut/rehab by a “flipper.” It’s IL’s 2nd GrIL Wilmette Gut RehabeenStar Homes Gold Certified remodel project seeking to preserve and re use a home instead of building new. This home was featured on the 2014 GreenBuilt Tour in IL. At Terra Green, they follow two basic rules: If they wouldn’t put it in their own home, they won’t put it in yours; and they’ll make the home as affordable and green as possible.  First they started with a team effort that took different skill sets to go around the room and determine the best goals for the project and then after the project held post construction team meetings to discuss issues and lessons learned.  This type of exercise is important to ensure homes meet green targets throughout the process as well determine what can be done better on the next.
This home focuses on a tight building envelope, energy efficiency and high indoor air quality.  Air changes per hour were 30% better than code at 3.14 ACH through advanced air sealing techniques, a self closing door to the garage prevents exhaust from entering the home. No carpet along with Zero VOC finishes and adhesives, MERV 12 air filters, no formaldehyde cabinetry, GreenGuard certified kitchen countertop, duct cleanings, sealed crawlspace and duct joints and radon tight sump dome with a radon mitigation system also help aid the improved air quality of the home. Other improved health and comfort features include keeping major electrical loads away from bedroom, sealed ducts with mastic and there were fully ridged and located appropriately for air distribution.
The builder highlights many little things that add up to a big improvement: caulked penetrations, Energy Star windows, heavy insulation, high-efficiency heating and cooling, ceiling fans, Water Sense certified fixtures and all CFL or LED lighting. The windows were repaired and resealed as opposed to replaced. A 16 SEER HCFC A/C was added for improved comfort, efficiency and reduced global impact.

The site itself features landscaping that helps reduce cooling load and implements sidewalk shading and a roof water drainage system catches 20% of storm water run off. Grading and slopes are used through out the site to protect the home from potential water damage as keep a home dry is the 1 green application you can implement on an existing home.

Terra Green – Tamarisk Lane Crystal Lake, IL 60014 

GreenStar Points

150 Energy
64 Materials
107 Health
21 Water
36 Place

Total Points 378

SIZE: 2,324 square feet
PROJECT TYPE: Single Family- Renovation/Remodel

OWNER/DEVELOPER:

Terra Green Incorporated
345 Little Marryat Road, Trout Valley, IL  60013
847-516-8052
terragreen.vpweb.com
Terra Green are green developers, builders and consultants specializing in eco-friendly building at an affordable price.

Mission Zero Home: A Greenstar Gold Remodel & CE Webinar

While sitting in his living room, spending the day documenting his home to verify all the measures and requirements for GreenStar, I showed Matt Grocoff the GreenStar checklist tool and manual to give him an idea of what was needed for his project. After looking through it, his immediate response was, “I Certificatewish I would have known about this when I started.”

Back in 2010, Matt began a journey. He purchased a 110 year old home in Ann Arbor, MI that has led him on the international road promoting net-positive homes and buildings. When he bought the home, he reviewed the LEED for Homes program but decided against it. He found it to be too invasive for what he wanted and could afford to do to his existing home. Matt, in partnership with Meadowlark, was a pioneer in the world of Green Home deep energy retrofits in the Midwest and has helped influence what can and should be done to bring an existing home to net zero energy.
Despite lacking a good tool (like LEED or GreenStar), Matt and his family persisted on with the renovation. First they underwent a home energy assessment utilizing the HERS index. The results were off the charts – far above 100. “From there we needed to work backwards. Using the PV watts calculator, we determined we could get roughly 9,000 kwh of solar given size of our roof and available technology. For 9,000 kwh to be sufficient, we realized we needed to improve the home’s HVAC, insulation, air sealing, appliances, lighting and other areas to get us down to that level without sacrificing comfort or a normal lifestyle,” Matt explained. Through the detailed but simple measures listed below, Matt’s home is a proven Net Zero home – even while driving a Chevy Volt and charging it at home! They plan to add a little more PV so that they can update their vehicle to a Tesla and still remain net zero.

America's Oldest Net Zero House color corrected v.2One thing that I learned while sitting down with Matt and discussing the push back to an all-electric home is the claim that it’s a waste because of electric line loss of up to 10% energy. Most utilities and even the HERS score incentivize the use of Natural Gas. Matt enlightened me to a partnership between Google and the Natural Resource Defense Council that is utilizing Google vehicles to show major natural gas leaks in gas lines all over the country. These leaks are not accounted for in line loss of energy, while electric is.

Beyond energy, Matt and his family were inspired by the Living Building Challenge (which they are pursuing) and are now, in partnership with U of M Blue Lab Engineering and a Ford Foundation Grant, exploring Net Zero water. The goal is to be able to design a system that captures 100% of rainwater off the roof, stores the water, and cleans it to potable and non-potable standards. The final step would be attaining approval by the municipality to install the system. One interesting challenge the Grocoffs must overcome is that their asphalt shingle roof has been proven to contaminate runoff water toxins such as lead. These toxins are very expensive to remove. However, the cost to seal the existing shingles or replace the shingles may prove cheaper in the long run than maintaining a clogged water filtration system. Another element that Matt and his family are working on is to prevent 100% of the home’s storm water from getting into the city sewer. This could be done partly by capturing water from the roof, partly by adding rain gardens. The most unique idea is a partnership with the city that would replace the sidewalks in front of the house with a system that will direct rainwater from the sidewalk to his rain gardens. If it works, replacing sidewalks this way could model in Ann Arbor and in other cities around the country how to reduce the expense and pollution caused by run off and storm water.

Why water?

Even though we live near the Great Lakes and have access to more water than we need, it’s no secret that quality and quantity of water is diminishing. “While all the news media was going on about California this year, much of Michigan was experiencing a major drought and lack of underwater aquifers. It’s important that we have deeper conversations about water in our state and how to protect it through simple things we can to do our buildings,” says Matt.

Because of Matt’s diligence during the renovation process, his home was easily back certified to GreenStar standards. He blew the gold standard “out of the water.” explained Brett Little. We also are grateful to work with him to develop recommendations for existing homeowners using the GreenStar tool to achieve our new zero energy certification. We are very excited to award Matt and the Mission Zero Home with the GreenStar Gold Type 1 Remodel Certification and to induct him before anyone else into our Zero Hero Hall of Fame. We will be monitoring Matt’s house and following his case study as he supplies us with Return on Investment, future energy use, water use, indoor air quality testing data, and other interesting aspects as he continues to do more to his home.

Net Zero VerificationLearn more

Free Webinar worth 1 hour of continuing education – GBCI, AIA (HSW), NARI Green & LFA and review utility data. More here.

Ingredients Label Mission Zero

 

 

 

 

 

Project Details

Location: Ann Arbor, MI

Bedrooms: 3

Bathrooms: 2

Living Space: 1300 sq. ft.

2,600 sq. ft. of conditioned space

General Contractor: Matt Grocoff, Thrive Net Zero Consulting

Whole-House Performance Contractor: Meadowlark Energy

Greenstar checklist submittal with full details on the home.

Website: Happy Home How! http://www.happyhome.how/

 

Energy

Attic Insulation/Air Sealing: R-30Demilec Sealection 500

Wall Insulation: R-13 Farmers dense-packed cellulose insulation

Rim Band Joist: Air sealed and insulated

Windows: Trapp low-e storms

Air Tightness: 4.75 ach50

Alternative Energy: SunPower 8.1 kW photovoltaic system

Heating/Cooling: 3-ton Water Furnace Envision

Window Restoration: Wood Window Repair Company

Lighting Controls: Watt stopper motion sensor light switches

Power Strips: Smart Strip Power Strips

Window Treatments: EcoSmart Insulated cellular shades

Water Heater: Geothermal + Air Heat pump

Dryer: Heat pump technology

Appliances: Induction Cooktop

HERS Index: 37

Residential Energy Performance Score: 61 (rated at 9,000 kwh/year)

 

Water Conservation

Toilets: Caroma Dual-Flush

Showerheads: Bricor 1 GPM (HET)

Faucets: Bricor .38 GPM!

Irrigation: Rain barrels (salvaged from St. Jullian’s Winery)

No Garbage Disposal

 

Health

Whole-House Ventilation: Ultimate Air ERV

Furnace Filter: MERV 8

Paints: Zero VOC – Benjamin Moore Aura, AFM Safecoat, Sherwin Williams Harmony

Floor Finish: Bioshield Hard oil #9

Molding Finish: Hock natural shellac

Bedding: NaturePedic mattress

Flooring: Mostly wood through out

Knob & Tube Wiring Removed

 

Materials

Salvaged Doors: Habitat for Humanity ReStore

Picture Frames: Urban Ashes

Salvaged Wood Stock: Urban Wood

Outbuilding: Chicken coop salvaged from neighbor’s playhouse

Carpet: Wool stair runners from G & K Flooring

Retained Existing home through minor remodel!

Perimeter plantings kept up to 24 inches away from the home.

Milwork, countertops, cabinets, trim, floors, and windows all refurbished and reused.

 

Site & Community

Conventional turf grass reduced

Home recycling and compost center

Walk Score – 70 +

Public transportation and biking is good

65% of undeveloped site is permeable

40% native / drought tolerant plantings

Rain gardens to stop storm water run off

*Some of this list was borrowed from Matt’s house being featured on Green Building Advisor.

Watch the on-demand webinar

Continuing Education – 1 CEU

  • GBCI
  • AIA (HSW)
  • Living Future (LFA)
  • NARI Green
  • Local & State Architect & Contractor (MI approved) 120422_LFA Logo

1.Watch the recording here

2.Access ppt slide handout

3. Take quiz below

4. Pay fee