West MI Home Nears Zero Energy – One Thing Missing

Sumac Grove

Sumac Grove

We reached back out to Sam Pobst to take a look at his LEED Platinum home and he sent us his latest utility bills of energy use vs energy produced. You can review it here.

What we found was that from Aug 13 – Aug 14 he had roughly used about 3,000 KWHe (heating and cooling) of energy over what he produced.

“In our original energy model we had included a solar hot water collector which we never installed.  This would have generated about 10% of our total energy requirements for the home, and put us slightly energy positive.  I hope to install it one day, but it is not in the budget yet,” says Sam.

We also asked Sam to talk a little bit about the ROI versus a conventional home built in Michigan. He says, “The ROI with all of the technology we implemented I estimate at about seven years.  The PV has a payback of three years largely because of the EARP grant, the tax credit, and my labor to install it.  The cost premium for the Serious 925 windows over a standard Energy Star window is less than two years.”

EARP or Experimental Advanced Renewable Program is a program from consumers energy where homeowner’s and business owners can be selected to receive almost double the going rate for the electricity sold to the grid.

“I have somewhere around $20,000 invested in the insulation and sealing of the building envelope.  I can’t say what the payback on this is because I don’t know what the baseline cost would be for code built construction.  This includes all of the insulation, extra framing, and the extra plywood sheathing.  Assuming a code built home with 2×6 construction, a quarter of the insulation, and OSB sheathing, would cost at least half this much, I estimate that the payback is around ten years for this.  This payback continues for the life of the home which I estimate to be around 200 years if well maintained,” remarks Sam.

Sam’s home was a targeted passive house but he never made it. Below he details how he surpassed some areas of the program but not in others.

He says, “While we did not meet the heat demand requirements, we more than met the air infiltration requirements, and we devastated the actual primary energy demand by over half.”

                                                    Required                  Actual

Heat demand                           4.75                             6.47

Pressure result                         0.6 ACH50                0.44 ACH50

Primary Energy Demand    38 kBTU/ft2yr            17.5 kBTU/ft2yr

“Based on these metrics, and what I heard at the last PH conference, a restructuring of the organizing principles of PH to weigh these three critical PH components to arrive at a score make more sense,” says Sam.

Catch a video about Sam’s project from start to finish, review the profile, and stay tuned to learn if Sam goes Net Positive.

YouthBuild Akron Ohio LEED Platinum Rehab

Akron Summit Community Action, Inc. (Akron YouthBuild) partnered with Saint-Gobain through the Saint-Gobain Corporation Foundation with support from the Saint-Gobain family of companies, to complete a green renovation at 887 Garfield Street in PIC of house - afterAkron, OH.  Saint-Gobain was founded in 1665 to manufacture glass for the Palace of Versailles in Paris, France. They are the Worlds largest building materials company. Recognized as a 2009 & 2010 Energy Star partner of the year by the US EPA, Saint-Gobain earned the 2011, 2012, & 2013 Energy Star Sustained Excellence Award, the highest level of recognition for outstanding contributions to protecting the environment through energy efficiency. The YouthBuild program started in 1978 in East Harlem, New York. The program concentrates on youths aged 16-24 who work full-time for 6-24 months while working toward their GED’s or High School Diplomas while at the same time learning job skills by building affordable housing in their communities.

The Garfield Project is the first YouthBuild Akron home to achieve the prestigious LEED Platinum certification.  Saint-Gobain and its family of companies have donated a range of building materials and many hours of on-site support from CertainTeed Building Scientists to complete the green home renovation. The homGarfield House - in progresse features a heat recovery system and very efficient CertaSpray Closed Cell Foam Insulation which contribute to its energy efficiency. The home received a HERS score of 65 meaning that it is 35% more efficient than other comparable homes. In addition to energy efficiency measures the home incorporates several landscaping features that reduce it’s irrigation needs. For example, drought tolerant plants were installed along with a slow-growing grass that needs no fertilizers, little mowing, and relatively little water. The home harvests rainwater from its roof. These aspects have accumulated a 59% water reduction due to the sites landscape architecture alone. 

CertainTeed (an affiliate of Saint-Gobain) donated many of the building materials. These materials contributed significantly to the overall efficiency and sustainability of the home. Grenite Engineered Stone Countertop’s were used and constructed with up to Garfield House - After 185% post-consumer recycled content. Air-Renew Gypsum Board boasts industry only technology that removes VOC’s from the air and converts them into safe inert compounds, once they are captured in the board they cannot be released into the air. This Gypsum Board also aids in the reduction of moisture and mold. On the rooftop, LandMark Solaris – Solar Reflecting Roofing Shingles were utilized. They reflect the suns rays and reduce roof temperatures up to 20%.

Garfield House - Label

 

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Press Release

Video – Garfield Project

Saint-Gobain & YouthBuild Akron (Garfield House) – PDF

Indianapolis Restored Home Gets LEED Platinum & Sells Fast!

Elm St. PICThis home located on Elm St. in Indianapolis, IN was an abandoned space, built in 1910, that was bid on for redevelopment through the Southeast Neighborhood Development (SEND) organization’s Transfer and Transform program, which seeks to reinvigorate the community

Elm St. B4 INT

Interior before

 

“William Wagnon of Green Path Homes  had been looking for an opportunity to do a LEED Platinum certified redevelopment on a house that could serve as an example of green building for contractors, home owners and a city in need of sustainability.” The house on Elm presented a perfect opportunity to showcase the economic viability of a green project as well as its added health and enjoyment benefits.

 

No subsidies or donations were taken to help the project along. “We wanted to do it as a market-rate project so that nobody could make an excuse for not doing it. That’s the point I wanted to make,” Wagnon said.

Elm St. B4

Exterior before

“The house now features around $7,000 worth of insulation, putting the home’s heating efficiency well-above most standards. The floor plan was changed to allow for a contemporary living style. Raised ceilings and other space improvements provide for maximum storage in the home. A rain garden now sits at the front of the house fed by a drain pipe from the roof. The backyard deck looks out onto a single-car garage, raised planters for growing vegetables and a patch of lawn.” Additionally, 100% of installed plants were drought tolerant further reducing irrigation needs. In total, the outdoor water savings plus the water savings due to the indoor installation of highly efficient faucets, showers, and toilets etc. results in a monthly water savings of 69% based on total water use. We were able to utilize the V4 Homes Workbook: Water Reduction Calculator to derive this number. A copy of the information is attached to the project profile at the bottom of this post.

Elm St. INT PICThe small 960 sq ft. 2 bedroom 1 bath home is located in an area with outstanding access to community resources such as public transportation. This well sealed home uses energy efficient appliances and  is expected to save 47% on energy bills. Insulated piping adds to the efficiency of this home. 

A central HVAC system equipped with an additional dehumidification mode adds to the health of the home along with the use of hardwood with a preference for FSC certified woods.

So much care was put into this home on Williams blog he writes … “Walter, who has does the exterior sheathing, rigid foam insulation and now the siding work is putting flashing tabs behind each butt joint on the siding.  These joints will all be caulked, but it’s just a fact that caulk fails in a couple of years.  But with the flashing tabs, any water that penetrates is redirected right back to the outside.LEED Label Elm

Brad nailed every shingle of the roof by hand.  Yes, it takes much longer, but he knows each one is set.  In building the soffit end caps, he cut fairly complex pieces so it could be 1 piece of solid wood, instead of having multiple joints that would require caulking.”

This project was the first residential home in the area to achieve the prestigious LEED Platinum certification.

Certificate(Final)

News Post Featuring this Project

http://www.nuvo.net/indianapolis/redeveloped-home-is-template-for-green-building/Content?oid=2567639#.UyCC7_ldWPM

Green Path Home Website and Blog

 

Download and share the project profile – PDF (Includes V4 water reduction calculator and EPA WaterSense Info)

South east MI home scores LEED silver and is a top energy performer

This newly constructed LEED Silver Home is located on the north side of Ann Arbor, on a 5 acre lot.  The home is 4,500 square feet with 6 bedrooms, 2 ½ baths, and has a walk-out basement.

Warren rd. PIC1(2) The project team wanted to build a very energy efficient, comfortable home for the family to raise their children in.  Throughout the project, the team emphasized purchasing sustainable materials including adhesives and sealants with zero Volatile Organic Compounds (VOC’s) to attain a higher air quality. They worked with a HERS rater to hone in on their energy efficiency strategies. Northern Michigan Oak hardwood flooring was used throughout the first floor of the home because of its close proximity to the project.  All carpeting and underlayment were Green Label Plus certified by the GreenGuard Certification Institute. Blown-in cellulose insulation, which is made up of 100% recycled newspaper fiber, was used instead of fiberglass.  The fitness room boasts a 100% recycled rubber flooring and the TREX deck had a high percentage of recycled materials as well. A drought resistant turf grass mix limited irrigation requirements, as well as a wildflower mix on the perimeter of the turfed-in area.  Additionally, only native species of bushes and trees were installed.  The system is controlled by a RainBird Sensor that automatically adjusts the irrigation schedules if it senses rainfall.

LEED Nutrition LabelA Home Energy Rating Standard (HERS) Score of 44 was achieved for this house, which makes it in the top 10% of MI homes.  The score means that the home is 56% more efficient than a conventionally built new home, and 42% more efficient than Energy Star’s standard for homes.  To give you an understanding of what this equates to, the energy bill for this 4,500 sq. ft home during the month of July, was $110 for both electric and gas. The project team chose to focus on the Energy & Atmosphere and Indoor Environmental Quality (IEQ) credit areas to compensate for the sacrifice of Location & Linkages credits due to the projects distance from an urban setting. The high rating of LEED Silver was achieved by taking a whole systems design approach to building, and eliminating any weak points in the house.

  Download and share the project profile – PDF

WI Platinum 2.5k Square foot Home averages $30 energy bills

Thanks to Jetson Green for sharing this awesome post! (Article written by Christine Walsh on Nov. 28, 2013)

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Architect Virge Temme of Sturgeon Bay, Wisconsin recently received the LEED Platinum for Homes certification for a private residence she designed near Gills Rock. The home was built by Bay Lakes Builders, and the plans were based on the collaboration of all members of the construction and design team so as to ensure proper integration of all systems. The electric and fuel bills for this 2,600-square-foot house were less than $30 per month on average during its first year. This is only the seventh home in Wisconsin to receive the LEED Platinum certification.

The building process started with the excavation of the meadow where the house stands, while the top soil was stockpiled and used for final grading later. Once the foundation was complete, the foundation forms were stripped and the below-slab plumbing and electrical runs installed. The builders continued with laying thermal tarp to protect the home from freezing rains. This was followed by the installing of under-slab insulation. All the joints were staggered and sealed in this process to prevent air movement between layers. Furthermore, all the penetrations through insulation were foam sealed, which protects against cold seepage and potential Radon gasses.

The roof was then installed, using 16″ I-joists to reduce thermal transmission and to provide additional insulation depth. The I-joists were placed directly over the studs below and the framed walls with studs at 24″ on center to reduce redundant top plate, which also reduced the overall framing materials need. The rafters were then screwed and strapped to studs to provide additional protection from wind. All the intersections were then foam-sealed.

To provide a continuous envelope 3/8″ OSB was added to the under side of rafters. Double 2-4 plates were screwed below the rafters to provide an electrical chase, eliminating the need for roof penetrations. The builders also used ladder framing, which greatly reduced the amount of redundant materials at wall-to-wall connections. Double-wall construction also eliminated thermal bridging and provided space for additional insulation.

construction

foamsealing

The house has insulation values of R-45 for walls, R-60 for the roof, and R-30 for ground insulation. Together with passive solar orientation and specially-coated windows to introduce solar warming, and which also feature overhangs to protect from summer over-heating, there is no need for a furnace or a boiler for space heating.

Other sustainable features of the home include:

– Sustainably-harvested framing materials
– Recycled/recyclable metal siding, roofing and insulation
– Drought-tolerant plants replanted around the home
– Rain gardens for roof runoff
– Only low- or no-VOC paints, adhesives and insulation were used to ensure better air quality
– Floors are made of concrete and sustainably harvested bamboo
– Only highly efficient appliances, lighting fixtures, and plumbing were installed
– The building process resulted in almost no construction waste

View LEED project Profile Here 

roof

siding

bambooflooring

concrete-flooring

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Glenn Retreat LEED Home has Innovative Blackwater Design Feature

The “Glenn Retreat” project exemplifies water use reduction both outdoor and indoor, with a 72% reduction in irrigation due in part by
photothe AdvanTex(R) Wastewater Treatment Systems manufactured by Orenco (R) that is a environmentally sustainable wastewater treatment technology that treats blackwater and greywater so well that the treated effluent can be re-used for subsurface irrigation (We achieved a additional LEED innovation point with this system). Along with Infiltrating Rain Gardens, Edible Forest Gardens, Extensive use of Native Drought Tolerant Plants and Eco Turf Grass on the outside and with low flow WaterSense certified toilet and fixture on the inside this project achieved almost every point under Water Efficiency in the LEED for Homes checklist. Our approach to handling waste water and storm water turned a negative attribute into a positive one; and created a drought tolerant and low maintenance landscape.

glenn label

The site’s soil composition has high clay content, and coupled with a high water table makes for a less desirable building site. Fill dirt and sand were added to the center of the site to elevate the house a few feet above grade. Drain tiles and French drains were installed around the house to channel water into swales and rain gardens which we developed along the north, east and west property lines. This watering system has proven sufficient to support the wide variety of plant life added to the property. Our system eliminated the painstaking task of cleaning rain gutters too because we didn’t need to install any. The high water table also presented a challenge for the septic system. We selected an advanced system  that uses a smaller drain field, and generates effluent certified by NSF International for subsurface irrigation. A native wildflower and prairie grass landscape is being developed on the septic drain field. Key Features Fabral Metal Roof (Energy Star) Exterior Construction is Advanced Framing @ 24″ o.c. 8″ of Agri based Open Cell Foam Insulation in attic. (R40) 4″ Ridged Foam Insulation under the Slab. (R-20) 3″ of Agri based Open Cell Foam Insulation on interior crawl space foundation walls. Exterior walls are Air Sealed with 5″ Cellulose Insulation (R-22) with 1″ Dow Styrofoam SIS Sheathing (R-5.5). (stops Thermal Bridging) James Hardie cement board siding. (with recycled content) MiraTec trim. (formaldehyde free, SCS Certified) 93% of Construction waste was diverted fro the landfills.

Watch a two part video series where we go into the homes and interview the homeowner and architect. 

See more pictures & details on Houzz

PDF project profile 

Sketch up drawings 

 

 

West Michigan's first Energy Star Version 3 Certified Home

* correction – This is a new home and not a rehab.

The approach was a  LEED certified home that goes beyond most Habitat standards of just LEED silver and Energy Star Version 2.  The goal was to get a house to achieve the coveted Energy Star V. 3 certification and Indoor AirPlus certification by achieving higher standards for the HVAC.  The biggest hurdle for this house was installing a 95% efficient furnace coupled with an ERV mechanical ventilation system and flexible ducts in order to reduce energy costs and improve air quality throughout the 2-story house. The kitchen is outfitted with low VOC cabinets and a 100 CFM range hood which vents directly outside as opposed to in the attic or re-circulation.

The Indoor airPlus certification contributed largely to the Energy Star V3 Certifcation, as the higher quality HVAC system also covered many of the prerequisites. The biggest hurdle for this home was to find a credentialed HVAC installer who would work with the higher standards required for Indoor airPlus.   The water heater and furnace directly vent fumes outside and improve indoor air quality and efficiency of the equipment.  The HVAC also has LEED_TM_gold_13a MERV 10 rated filters and efficiently at 86 CFM, which fully circulates the air in the home approximately every 4 hours.  The furnace itself runs on a single speed PSC motor which runs at set intervals and uses the ERV to moderate the temperature.  The house also features a Superior Wall Foundation which contributes an R-Value of 5 to NuWool insulation installed on the walls for a total R-Value of 26.  To further increase the insulation of the house the rim joists were also insulated and earn an efficient .3 U-factor windows were installed to reduce air leakage.

The home appliances available in this house are Energy Star certified to accompany the Energy Star V3 certification on the house.  Outfitted with low formaldehyde pressed wood materials in flooring and cabinets, as well as low VOC paints and finishes on the cabinets and walls. .  Plumbing is outfitted using PEX piping as more flexible and reliable alternative to PVC or copper piping.

Habitat for Humanity Kent County is committed to 100% LEED Silver Construction and has saved homeowner’s $1,000 a year in utility costs as well as improved their indoor air quality compared to living situations they were previously in.

1831 Willard Profile Complete

Indoor airPLUS checklist

Updated HVAC contractor checklist

Metro Detroit's 1st LEED Platinum Gut Rehab Home

The Ferndale home is 45.6% more efficient in its energy use in comparison to an average 2,000 sq. ft. existing Michigan home.  The average is 3,948 kWh a month, while the Ferndale house used only 2,195 kWh. The overall cost for the electric use in the Ferndale residence is $74.56 a month, using 603 kWh, which is 34% less than the average, which costs $121 a month and uses 908 kWh. Heating for the Ferndale home uses 5.3 MCF and costs $23.85 a month, while the average uses 10.1 MCF and costs $127.46 a month. Altogether, the operation costs are 32% less than the average household to heat. 

*The project team attempted to get actual past utility bills to determine the success of the upgrades. However, they did not know who the previous homeowners were, and since, DTE and Consumers Energy have outdated privacy laws, they do not allow for the retrieval of data without homeowner permission.See full Ferndale Home Energy Report

The purpose of this project was to revitalize an abandoned home in disrepair, and through environmentally-friendly construction practices, to transform it into an energy-efficient home.  The house is 95 years old, had gone into foreclosure and had been vandalized while sitting empty, so it required a complete overhaul. Lee Purches, HP3 Group and project Green Rater helped ensure the quality and sustainability success of this home.   Lee connected the owner with Herzog Homes, which was willing to pursue LEED certification with some budgetary constraints. The goal of this project was to restore this old house, but also make it better through green building design and LEED certification.  The design team followed LEED protocol for local labor and materials, using renewable or sustainable products in aiming for Gold LEED certification.IMG_6158a

The result is an efficient, practical, and affordable home that is no longer an eyesore in an established neighborhood. This home is the first of its kind in metro Detroit, setting an example for others to invest in Green Homes and to restore existing homes rather than build new.    The home has been enlarged and now has a freestanding garage that also serves to capture water.  The house also has its own high-efficiency controlled irrigation system that evenly distributes water in the front and back yards.The backyard contains a 200 square foot vegetable garden, which includes fruit trees.  The garden benefits from the irrigation system and passive water collection to yield produce four to six months out of the year.  The indoor air quality 10 times better due to the ERV and high efficiency furnace.  The furnace is a two stage furnace that only runs at high capacity when necessary, and is 97% efficient.

The house is fully enclosed with open cell spray icynene insulation, from the basement wall all the way up through both floors to and the roof deck. The interior finishes, walls and trim contains almost no VOC other than the drywall glue and paint, which have low VOC ratings below 100.  New Jeld-Wen windows were also installed with a U-factor and solar heat gain of 31 for additional energy performance and reduced air leakage.

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Lewiston Checklist

 Project Details
Project Type               Single Family
Conditioned Space   2,027 sq ft.
Bedrooms                     3
Bathrooms                   2
Lot Type                       Infill
Construction Type   Gut Rehab

 Key Features
Air Filtration              MERV 13
Insulation                    R20
Window U-Value       31
HVAC Efficiency        97%
3.5 Air Leakage Rate in ACH50
Backyard Garden

 

Ferndale Project Profile

Herzog Homes
Check out the gallery for some before and after pictures of this LEED Platinum home.

It may be big but did you see the energy bills?

This home was cons015tructed with environmentally friendly materials and products.  The goal was to build a home that didn’t have a negative impact on the environment and would contribute to the home’s overall efficiency.

The result is beautiful home outfitted with natural bamboo hardwood floors, geothermal heating and cooling, superior insulation and Anderson Triple Pane Windows.   The house’s construction, due to its part being pre-fabricated offsite, diverted almost all waste from landfills.

The home  has greatly reduced utilities due to its design, costing $150 a  month or $1,700 a year due to temperature moderation, Energy Star certified ceiling fans in all rooms, water conserving (Water Sense) faucets,  and low flow 1.28GP toilets.

This home utilizes geothermal heating and cooling, which brings up 55 degree air from the earth’s crust, to effectively moderate the home’s temperature.  The house also has Structure insulated panels (SIP) installed for throughout the entire house, reducing the amount of onsite wastes and greatly increasing insulation.  The Kitchen, Foyer, and Great Room,  all have insulation with an R-value of 40, while all other rooms are at R24.  The attic, garage, and roof have an insulation of R40, but utilize spray foam insulation.

The Superior Wall Foundation was precast in Michigan with moisture resistant 5,000 psi concrete and placed on crushed stone footing to redirect water away from the foundation.  The foundation itself also includes R17 insulation to further reduce air leakage in the home.

Due the concrete foundation and sealing of cracks and joints in the foundation, the house has good protection against pests like termites.  The house also has a significantly reduced air leakage envelope, which is rated at 5.0 air changes per hour at 50 pascals (5.0 ACH50)   All ducts were installed in conditioned space, so there is no leakages withing duct work. The lawn consists of “No Mow Grass”  which does not require   fertilizer, mowing, or watering in its maintenance.

Projec2104 Greenviewt Details
Type                              Single Family
Conditioned Space     7,160 sq ft
Bedrooms                     6
Bathrooms                   4
Lot Type                       Infill
Construction Type    New

Key To Success
Air Filtration                     MERV 10
Roof Insulation Value      R40
Insulation                           SIP Channels: R24
HVAC                                  Geothermal
Reduced Envelope Leakage of 5.0 ACH50
Natural Bamboo Flooring

0010644179 Certificate

Greenview Project Profile

Photos courtesy of Ihab Riad, Green Park Construction, LLC.

Matchbox House LEED Platinum Certified – Ann Arbor

The project started out with an intent to design LEED certified which is reflected in its unconventional design.  The project was modeled after a matchbox and was designed to have four inner quadrants that slip past on another withing the out sleeve of the house, all on top of

2216 Hickman Ann Arbor, Michigan

a raised foundation.   The Matchbox’s compact design contributed to it’s LEED Platinum certification as there was less conditioned area to work on. The architect gathered information from other contractors experienced in green building practices in order to produce a home outside the norm. The result was distinctive, efficient, and compact home surrounded by natural, permeable turf minimizing the impact of the house on the surrounding environment.

The house has four bedrooms, 1,738 sf of conditioned space and a one car garage. It has received LEED Platinum Certification. It has a HERS rating of 47 and many notable features, including FSC wood, reclaimed trim from demolished Michigan barns in the region, no conventional turf (no irrigation) and low flow plumbing fixtures. The house has no attic or basement so upstairs rooms have dramatic ceilings that begin at 3’-0” and end at 16’-0” with an angle ceiling matching that angle of the roof.

No conventional turf or irrigation system was installed around the home, and all fixtures and fittings (toilet, faucets, and showers) are very high efficiency, reducing the site’s water demand by 78%. The wood used in the cabinets, stairs, closets, doors, and upstairs floors are all FSC certified. The house itself is much more compact than a standard house, so much that the LEED threshold dropped by 10 points. The kitchen counter tops and decking are constructed are composite from recycled materials.

The home’s unconventional design earned it 1st Place in Detroit Home Magazine Design Awards 2013 for Contemporary House under 4,000 sq ft.

Project Details:
Location: Ann Arbor, Michigan
Clients: Azar and Hormoz Alizadeh (the house currently is rented out to tenants, it is not currently occupied by the owners)
Project Type:                 Single Family
Conditioned Space:      1,738 sq ft.
Bedrooms:                      4
Bathroom:                     3
Lot Type:                        Infill
Construction Type:     Custom

HERS Rating of 46, expected savings of 54% with a 5 Star+ Energy Rating
44% of Construction Waste Diverted from Landfill

Key Features:

  • 2 kw Solar Panel on roof, reducing energy costs by 18%
  • Wall Insulation R-Value of 29
  • Air Filtration rate, MERV 15
  • Reduced water demand by 76%Hickman checklist
  • Compact home for minimal site impact
  • No irrigation system or conventional turf
  • FSC certified cabinetry, stairs, closets, doors, and upstairs flooring.
  • Energy Star certified appliances and light fixtures
  • 2 ton heat pump/ERV
  • Appropriately sized 40,000 Btu furnace
  • Low flow toilets, faucets and showerheads

Project Team:
Brian Halprin (Green Building Services, Pllc)
Naseem Alizadeh (Bureau for Architecture and Urbanism)
Tad Krear (Landscape architect)
Cory Johnston (Structural engineer)
Matt Snider (Mechanical Engineer)

Photo gallery containing before, after, and during construction pictures:
The Matchbox House: Bureau for Architecture and Urbanism

Feature in Architect Lab’s Online Magazine

2216 Hickman (Matchbox House) Project Profile

 

Matchbox House Certificate