Library

Website for consumers describing heat pump water heater technology and linking to retailers and installers.

A starting point for ballparking and comparing the cost of different siding materials and a brief overview of the pros and cons of different siding materials.

Article describing considerations for choosing a room-level air cleaner to improve indoor air quality.

Article describing how omission of two small but critical wall details, a kick-out flashing and a weep screed, lead to extensive water damage to a wall.

Article describing how to use radiator inlet orifices optimize two-pipe steam heating systems.

Factsheet describing how to partially install a heat pump in a manufactured home in the manufactured home factory.

Factsheet describing proper methods for installing vinyl siding and soffit coverings in high wind and coastal areas.

Checklist for verifying FORTIFIED levels and documentation needed.

A structural insulated panel (SIP) roof has no embedded lumber in the structure, and therefore nothing substantial for attaching PV array and solar hot water mounts. Single or double lumber splines could be put into the panels, or I-joists at 4-foot intervals could be added.

Report providing the results of an analysis of humidity control and variable refrigerant flow (VRF) system efficiency in three new multifamily buildings in New York, NY.

Webpage providing curriculum with links to presentations and problem sets for teaching an understanding of sizing cold climate heat pumps.

Report providing information about energy-efficient heating, ventilation, and cooling (HVAC) equipment options to help homeowners cut their energy use, reduce their carbon footprint, and increase their homes comfort, health, and safety.

Paper providing a comprehensive overview of HVAC system design considerations and challenges specific to multifamily residential buildings, focusing on optimizing performance and addressing common issues.

Software tool available free online that can help calculate heating and cooling requirements to accurately size HVAC equipment in as little as 15 minutes.

Correcting pressure imbalances in your HVAC system can result in a healthier, more efficient home.

Report evaluating the relative effectiveness of various control and distribution strategies to improve hydronic space heating performance in existing low-rise multifamily buildings

Wildfire guidance for homes located in the wildland urban interface, focused on site design and individual pieces of the home.

Ignition resistant residential construction and landscaping guidelines from FireSafe Montana.

An impact test report from projectile missile tests against brick veneer, verifying that brick veneers perform well to resisting hurricane force wind driven debris.

Report presenting improved air conditioner (AC) and heat pump (HP) modeling methods in the context of whole-building simulation tools.

Presentation on Improving Air-Conditioner and Heat Pump Modeling.

Report examining the impacts that common installation practices and age- induced equipment degradation may have on the installed performance of natural gas furnaces, as measured by steady-state efficiency and AFUE.

Site showing flame spread ratings and definitions for common building materials.

Article from Building Science Corporation explaining 'wash and wear buildings' that are designed to be flooded and washed out afterwards.

PDF detailing the inspection and verification guidance for WaterSense labeled new homes including indoor and outdoor efficiency requirements, and homeowner and building management education.

Report providing general guidelines for the installation of rolled erosion control products.

Fact sheet describing the newly developed Ventilation-Integrated Comfort System (VICS) that reduces space requirements and eliminates costly ductwork for separate heating, cooling, and ventilation systems, all while enhancing performance, addressing the demand for energy-efficient homes, and...

Report describing the objective evaluation of space conditioning interactions between heat pump water heaters and home heating systems during winter 2016-2017, revealing a smaller than anticipated impact on space conditioning loads.

Report describing the results of a 21-home field study investigating the effectiveness and failure rates of whole-house mechanical ventilation systems installed in Florida homes over the last 15 years.

Research report discussing the reduction of HVAC energy consumption to meet U.S. greenhouse gas targets and DOE's energy-efficient building goals. It introduces iComfort, an IoT-based system for optimizing home comfort and energy savings.

Report on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.

Guidance on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.

Report presenting lab evaluation of five heat pump water heaters available in the US market today.

Report proposing mini-split heat pumps as a new retrofit option to replace resistance heating in the Pacific Northwest.

EPA’s 2008 Lead-Based Paint Renovation, Repair and Painting (RRP) Rule (as amended in 2010 and 2011), aims to protect the public from lead-based paint hazards associated with renovation, repair and painting activities.

Report identifying the target market for solar water heaters and potential pathways and cost/performance targets that must be met for these systems to realize large energy savings.

Webpage featuring hundreds of illustrations of masonry construction details for brick, congrete, stone, tile, stucco, etc.

Project discussing buried or encapsulated ducts and their pros and cons.

Report describing the installation and operation of forced-air heating and domestic hot water combi systems in residential homes.

Document intended for designers and installers of hydronic heating systems interested in maximizing the overall system efficiency of condensing boilers when coupled with baseboard convectors. It is applicable to new and retrofit projects.

Report providing step-by-step instructions for heating contractors and hydronic designers for selecting the proper control settings to maximize system performance and improve response time when using a thermostat setback.

Document with evaluation of 14 heat pump water heaters (including three recently released HPWH products) installed in existing homes in the northeast region of the United States.

Document covering installation of high efficiency gas furnaces, including when to install a high efficiency gas furnace as a retrofit measure, how to identify and address risks, and steps to follow for the selection and installation process.

Report describing the most cost-effective ventilation and indoor air quality solutions for multifamily homes that meet ASHRAE 62.2-2016.

Research study outlining results of monitoring a low temperature heat pump.

This report investigates whether mini-split heat pumps can live up to their potential for one market segment: multifamily retrofits.

Website describing Minnesota Power’s New Construction Energy Efficiency program that promotes building practices and technologies that enhance new residential construction.

FEMA mitigation assessment team report following Hurricane Charley in Florida including observations, recommendations, and technical guidance for retrofitting hurricane-damaged homes.

FEMA mitigation assessment team report following Hurricane Ivan in Florida and Alabama including observations, recommendations, and technical guidance.

EPA guidance document providing information on moisture control in buildings.