Library

2009 edition of code establishing a baseline for the design and installation of fuel gas systems and gas fired appliances through performance requirements.

Document describing the air leakage provisions of Appendix RA of the 2015 IECC (prepared for the State of Georgia to assist with compliance with their 2019 Energy Code).

Performance rating standards for unitary air-conditioners and unitary air-source heat pumps, including definitions, classifications, testing, rating, and operating requirements, as well as minimum data requirements for published ratings and markings.

Report providing builders in marine climates with guidance for building homes that have whole-house energy savings of 40% over the Building America benchmark with no added overall costs for consumers.

Web page describing essential guidelines and recommendations for optimal installation of ductless heat pumps in cold climates, ensuring maximum heating performance and long-term satisfaction for homeowners, supported by research-backed insights and detailed resources.

Research study estimating potential energy savings relative to conventional ducted air distribution, and identifying equipment requirements, costs, and barriers.

Report describing how changing the air exchange rate of a home (the sum of the infiltration and mechanical ventilation airflow rates) affects the annual thermal conditioning energy.

Standard providing master specifications for closed cell, medium density spray polyurethane foam air barriers located in the non-accessible part of the wall.

Standard outlining materials and installation methods by using commercial building wraps.

Standard providing information about self-adhered sheet air barriers located in the non-accessible part of the wall and materials to bridge and seal air leakage pathways and gaps.

Standard outlining materials and installation methods for a liquid-applied vapor permeable air barrier systems located in the non-accessible part of the wall.

Document describing three methods for elevating a home out of the flood zone.

Vinyl siding estimating and installation guide for vinyl siding products.

A website explaining the process of sealing a home with Aeroseal & how the technology is used to seal holes in the air ducts and vents of the home.

Report examining the effectiveness of an aerosolized acrylic technique for air sealing existing homes to reduce air leakage and improve energy efficiency.

Technical report describing the research behind a new aerosol-based sealing method, utilizing pressurization and a dispersed sealant fog, facilitated by a standard blower door, to automatically measure, locate, and seal air leaks in new homes in the United States, providing an efficient solution to...

Fact sheet describing an innovative aerosol-based sealing technique for tightening building envelopes in new homes, involving pressurizing the structure and dispersing an aerosol sealant "fog" to autonomously identify and seal leaks, with real-time feedback through a standard blower door and laptop...

Brochure about creating an air barrier by sealing drywall assemblies.

Brochure about creating an air barrier at tub, shower and fireplace walls.

Information on the control of air flow across building enclosures to control moisture damage, reduce energy losses, and ensure occupant comfort and health. A continuous, strong, stiff, durable and air impermeable air barrier system is required between the exterior and conditioned space to control...

Document reporting results from a study done to evaluate effects of automotive emissions from attached garages on the indoor environment.

Article describing how an airtight home shell helps achieve a tight envelope that is energy efficient and cost effective.

This is a federal tax credit for complying air source heat pumpe. Units located in the "North" must meet ENERGY STAR's cold climate heat pump criteria.

Article describing how to stop air leaks around the windows and doors of a home.

Document providing step-by-step guidance to sizing air-source heat pumps for a cold climate.

Webpage describing the functionality and benefits of switching to Air Source Heat Pumps, as well as linking to sets of products, rebates, most efficient ASHPs, and providing consumer aid for purchasing an ASHP.

Website article interviewing the inventor of the Larsen truss, a history of its use, and a discussion of its advantages and disadvantages.

Article about different types of weather resistant barrier.

Report about two test home evaluations that provided valuable data about the true in-field performance of various building mechanical systems and LAMELs.

Technical report describing how the FSEC Energy Research Center explores low-cost space-conditioning upgrades for existing homes by integrating centrally located, high-efficiency ductless mini split heat pumps with older but functional central space conditioning systems, aiming to achieve energy...

ASHRAE Standard prescribing an field evaluation and test method to measure and score the performance of unitary HVAC systems.

Standard providing a methodology for evaluating the installation quality of unitary HVAC systems.

Report about a building project in the marine climate.

Article describing air sealing and air barriers in buildings.

Technical report describing the thermal performance of 40 common building envelope details for mid- and high-rise buildings, including analyses to optimize energy efficiency and reduce thermal bridging.

ASTM standard providing test methods for determining duct air leakage in low-rise residential and commercial buildings.

Webpage describing how to improve a variable capacity heat pump's efficiency by not programming a deep setback on the thermostat.

Report summarizing commissioning, short-term testing, utility bill data analysis, and results of on-site monitoring of a deep energy retrofit.

Report describing the best practices for the safe, efficient, and compliant installation of residential air source heat pump water heaters (HPWH) in California, aligning with the state's climate goals and providing guidance for educators, installers, and industry stakeholders.

This Best Practices Manual is the product of Hammer & Hand’s ongoing work to document and internally codify our standard operating procedures for construction practice.

Document focusing on the design and wall components that contribute to a pressure equalized rain screen wall, including the frequency of the weep holes and other brick masonry rain screen wall requirements.

Information sheet offering general recommendations on supplemental humidity control and outlines viable system configurations.

Document providing guidance to U.S. home builders who want to accept the challenge.

Guide describing measures that builders in the cold and very cold climates can take to build homes that have whole-house energy savings of 40% over the Building America benchmark with no added overall costs for consumers.

Guidance document providing BA research teams and partners with specific information and approaches to identifying and overcoming potential barriers to Building America (BA) innovations arising in and/or stemming from codes, standards, and rating methods.

Report summarizing research results for the 30% energy savings level and demonstrates that lead builders can successfully provide 30% homes in the Marine Climate Region on a cost-neutral basis.

Report comparing a variety of roof insulating strategies to present their advantages and disadvantages according to several comparison criteria.

Guide describing methodologies for assessing and mitigating thermal bridging in building envelopes, featuring detailed performance data, interface solutions, and assembly-specific strategies for energy-efficient construction.

Document detailing how to build radon-resistant homes.

Training module describing the operation, efficiency, consumer and seller benefits, and cost comparison of Heat Pump Water Heaters (HPWH) against conventional gas, oil, or electric water heaters.