Page 52 - Green Builder Magazine March-April 2018 Issue
P. 52

Glass wise.
                                       Intus triple-pane glass
                                       helps maintain a HERS                                            Worthwhile walls.
                                       score of 28 and an ACH50                                         Blown cellulose insulation
                                       score of 0.34.                                                   made of newspaper helps
                                                                                                        prevent loss of temperature-
                                                                                                        treated air.


























                Stronger
                than stone.                                                                               Site specific.
                                                                                                          East and south
                Replacing crushed                                                                         siting give the home
                gravel with perlite                                                                       excellent access to
                increased the slab’s                                                                      free solar energy.
                R-value from 45 to 70.




                                                                           and mud rooms. The outside would feature a large porch—part of it
                   Simple, Sensible Tastes                                 screened—and an arbor. Plans also called for a neighboring garden shed.
                   In 2014, when owners Declan Mulhall and Christie Karpiak—  Such a basic floorplan simplified what needed to be done to meet
                   professors at the nearby University of Scranton—approached Pedranti   requirements for a certified passive house, according to Pedranti.
                   about replacing the destroyed Wheeler Avenue structure with an
                   actual house, they had a straightforward request: Make a home that   Trial and Air-or
                   was ultra-energy efficient and practical in terms of living space. At   Some energy goals were easier to attempt than others. The house
                   the time, Mulhall was adamant that he did not want a “McMansion”   faces south for maximum solar energy gain. The arbor provides shade
                   full of “useless space,” such as a formal dining area and sitting rooms.  during the summer to keep out unwanted heat. Solar panels on the
                     “Christie and Declan were very much about sustainability,”   shed northwest of the screened porch generate on-site energy that
                   Pedranti recalls. “They were definitely looking to lower their carbon   will help the home meet net-zero status.
                   footprint—build something that didn’t have a negative impact on the   A RenewAir EV200 heat recovery ventilator was installed to draw
                   environment and the natural resources. Beyond that, they wanted a   fresh air from outside, and pre-heated or cooled air from indoors.
                   very simple home to raise their family in.”             Blown cellulose insulation, made primarily of shredded newspaper,
                     Pedranti had achieved LEED certification years before, but had yet
                   to actually attempt anything in that venue. “[With this project, LEED]
                   was a very positive way to take my business, and it was exciting,” he   Project Stats
                   says. “I really liked that it is based on science. I have found over the   NAME: Scranton Passive House
                   years that a lot of the bad things in our industry are the result of an   ARCHITECT/DESIGNER: Richard Pedranti, Richard Pedranti Architect
                   overemphasis on pure aesthetics.”                         BUILDER: Rob Ciervo, Ciervo and Sons Renovations
                     The design was kept simple: two stories, with three bedrooms,   PHOTOGRAPHER: Rick Wright Photography
                   two-and-a-half baths, a den, a kitchen, and living, laundry, mechanical

                   50  GREEN BUILDER March/April 2018                                                     www.greenbuildermedia.com




          14-53 GB 0318 HOTY.indd   50                                                                                          4/11/18   3:03 PM
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