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Marine

This Building America Optimized Solution describes a set of building practices necessary to achieve the next step in energy performance for new homes (approximately 30% energy savings above the B10 Benchmark - roughly consistent with the 2009 International Energy Conservation Code).   This package of measures meets and exceeds DOE’s Zero Energy Ready Home (ZERH) program requirements and was selected for its performance in the following areas:

  • Energy Savings
  • Affordability
  • Buildability
  • Durability
  • Healthy Indoor Environment

The high performance builders profiled in the case studies found below the interactive box show just a few examples of the hundreds of ways a builder can meet the premium levels of energy savings Building America strives for, while qualifying for the ZERH.  Print the Optimized Solution for the Marine Climate.

Marine Energy Savings
Measure Performance Options
High-R Ceiling

R-49

High-R Walls

R-20 Cavity and R-10 Continuous

High-R Foundation

R-19 Cavity or R-15 Continuous (Crawlspace)

High-R Window

U≤0.21 (R≥4.8), SHGC≥0.4

Air Tightness

ACH50≤2

Measure Performance Options
Water Heating

EF 0.8

Lighting

ENERGY STAR

Appliances

ENERGY STAR

Exhaust Fans

ENERGY STAR

Ceiling Fans

ENERGY STAR

Case Studies

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2013

Case study of a DOE Zero Energy Ready Home in Seattle, WA, that scored HERS 34 without PV. This 2,000 ft2 system home has R-45 double-stud walls, an unvented flat roof with 2 inches of spray foam plus 18 inches blown cellulose, R-42 XPS under slab, triple-pane windows, and a ductless mini-split heat pump.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2013

Case study about a Zero Energy Ready Home construction project in the marine climate.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2014

The home is the builder’s fi rst home certifi ed to the Passive House Institute standard and their fi rst certifi ed to the high energy performance standards of the U.S. Department of Energy’s Zero Energy Ready Home program.