Library

Companion document to the Indoor airPLUS Construction Specifications, providing guidance on identifying compliant products, including industry databases and examples of product labeling.

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.

Checklist for verifying FORTIFIED levels and documentation needed.

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.

Standards criteria supporting ICC HVAC duct support standards.

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.

Publication specifying HVI’s prescriptive procedures for testing and rating airflow of residential ventilation products in accordance with ANSI consensus standards.

Publication describing the requirements and procedures for the certified performance ratings program for residential ventilation products administered by the Home Ventilating Institute.

Website providing an online directory of more than 3,600 residential ventilation products lisiting flowrates, sones, watts, and other performance metrics; all listed products have been tested by the Home Ventilating Institute.

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

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.

Standard supporting indoor air quality performance by producers, purchasers and policy makers to improve the environmental performance of products and services.

Document outlining specifications that were developed by the U.S. Environmental Protection Agency (EPA) to recognize new homes equipped with a comprehensive set of indoor air quality (IAQ) features.

Website providing the technical specifications and related documents for home builders, subcontractors, architects, and other housing professionals interested in certifying a home to the EPA's Indoor airPLUS program requirements.

Website providing builders with information about meeting RESNET Grade 1 criteria when installing insulation.

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.

Webpage providing all versions of the International Building Code (IBC) which is code for commercial buildings that brings together all structural, plumbing, mechanical, fuel gas, energy and electrical provisions for all buildings except detached one- and two-family residences and townhouses up to...

List of acceptance criteria for the ICC.

Webpage describing current and past versions of the International Energy Conservation Code (IECC), establishing a baseline for energy efficiency with performance standards for building envelopes, mechanical systems, lighting systems and service water heating systems in homes and commercial...

Webpage with all versions of the International Fire Code (IFC), code establishing regulations involving life and property safety from fires and explosion hazards, including emergency planning, fire department access and water supply, automatic sprinkler systems, fire alarms, and hazardous materials...

Website with all versions of the International Plumbing Code (IPC), code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

Webpage providing the latest versions of the International Wildland-Urban Interface Code (IWUIC), code establishing regulations to safeguard life and property from the intrusion of wildland fire and to prevent structure fires from spreading to wildland fuels; regulates defensible space and provides...

Website providing a probabilistic map of the expected number of damaging earthquakes around the U.S.

Report describing as-found interior platform return plenums, the magnitude of their contribution to the total amount of duct leakage, and techniques and results of retrofits executed by the HVAC trade during equipment replacement.

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.

Federal Trade Commission (FTC) Regulation 16 CFR Part 460: Federal regulation on labeling of home insulation products.

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.

Website describing the wildland-urban interface code and providing links to resources.

2017 version of a standard covering requirements for single- and dual-pane windows, glazed side-hinged door systems, sliding doors, tubular daylighting devices, and unit skylights developed jointly by the American Architectural Manufacturers Association (AAMA), the Canadian Standards Association...

Website describing the EPA Lead Renovation, Repair, and Painting Rule that establishes requirements to reduce lead exposure for firms and individuals performing renovations that might disturb painted surfaces in buildings and homes built pre 1978 that might be occupied by children.

Guide describing sound mitigation measures to lower building natural disaster vulnerability to assist local officials and community decision makers in coastal areas.

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.

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.