Report Number

FSEC-CR-2025-16

URL

http://publications.energyresearch.ucf.edu/wp-content/uploads/2018/06/FSEC-CR-2025-16.pdf

Keywords

Buildings

Abstract

EnergyGauge® USA v.5.1 is used to simulate the energy use of one-story, three-bedroom, 2000 ft2 , single-family, frame homes in sixteen representative U.S. climates comprising all eight IECC climate zones. The energy use of the Section R406.2 minimum efficiency home (the Baseline Home) is compared against the energy use of homes complying with the prescriptive requirements of Section R402 of the 2015 IECC and against homes complying with the Section R406 Energy Rating Index (ERI) Compliance Alternative. The improvement cost and energy savings of the improved homes relative to the Baseline Home are then used to determine the cost effectiveness of the home improvements.

The Baseline Home is compared against four improved home scenarios, as follows.

  1. 2015 IECC prescriptive compliance case
  2. Baseline Home + PV case
  3. 2015 IECC prescriptive compliance + PV case
  4. Energy efficiency only case

Results from the analysis are useful in comparing the cost effectiveness of achieving compliance with Section R406 of the 2015 IECC using the Energy Rating Index (ERI) and particularly for comparing the cost effectiveness of on-site photovoltaic power generation with the cost effectiveness of improved home efficiency measures.

Date Published

7-29-2016

Subjects

Buildings

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Rights Statement

In Copyright