Library

2009 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

2012 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

A colored map showing seismic zones across the United States, ranging from lowest to highest seismic hazards.

Report assessing and scoring code enforcement and administration and contractor licensing in the 18 states most vulnerable to catastrophic hurricanes along the Atlantic Coast and the Gulf of Mexico.

Code set from IAPMO explaining plumbing standards. 2018 publication.

State building code containing general building design and construction requirements relating to fire and life safety, structural safety, energy efficiency, and access compliance; based on the 2021 International Building Code.

Report assessing building codes for the 18 Atlantic and Gulf coast states which are most prone to hurricanes, as of 2018.

Webpage providing guidance on the 45L tax credit, assembling the most relevant information for Northwest builders to maximize their tax credit and build energy efficient homes.

Article describing utility rates, net metering policies, installation costs, financial incentives, and other info for both consumers who are interested in installing renewable energy systems and for energy justice and clean energy advocates.

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

Webpage listing ACCA Manual J and D calculation software that is approved by ACCA.

Technical manual from ACCA outlining correct methods for zoning of residential HVAC systems.

This Standard establishes the minimum requirements to evaluate a residence with regards to energy efficiency, water conservation, occupant comfort, and indoor air quality.

Report providing product manufacturers, fabricators, contractors and installers, design professionals, owners, and real estate developers with technical performance and cost guidance for scalable zero-carbon-aligned new construction pathways and retrofit packages to achieve zero carbon retrofits and...

The research report outlines a practical and cost-effective strategy utilizing central HVAC systems to optimize humidity control and ventilation in energy-efficient homes located in hot-humid climates, demonstrating significant improvements without requiring complex equipment upgrades.

Voluntary specification for residential, commercial/multifamily, and industrial water heaters and heating systems.

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

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.

Article describing air sealing and air barriers in buildings.

Web-based mapping tool offering a fast, reliable way to look up key design parameters specified in Standard ASCE 7-10, 7-16, or 7-22 for a specific address or location which is free to use and can look up data for eight different environmental hazard types: wind, tornado, seismic, ice, rain, flood...

Report covering interior energy retrofits of masonry buildings.

Article describing the building science implications of insulating vented or unvented attics.

Article describing the research into insulating vented versus unvented attics.

Information sheet from FEMA on preparation for extreme heat, including measures for keeping homes cool.

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.

Article describing the common ventilation system types, issues, and solutions in New York City's multifamily residential buildings to improve indoor air quality, occupant health, and building durability.

Report examining the cost differences between a typical home and a home constructed using wildfire-resistant materials and design features.

Website providing information about building plans for the ENERGY STAR thermal bypass checklist.

Subprogram of the California Statewide Codes and Standards Program designed to help cities and counties to adopt above-state-code ordinances.

You can save energy and maintain a comfortable swimming pool temperature by using a smaller, higher efficiency pump and by operating it less.

Website providing data indicating climate change.

Webpage outlining how to optimize the installations and performance of mini-split heat pump systems. As well, it discusses a set of design considerations for multi-level homes, low load homes, and heat distribution to rooms without a heat source.

The Cold Climate Heat Pump Decision Tool guides contractors and installers through the decision-making process for heat pump (HP) sizing, identifying personalized CCHP recommendations, and applicable tax credits, with a focus on retrofits in cold climates.

A website explaining the various shades of light, from warm to cool colors, with a visual diagram illustrating the various shades of light.

List of commercial heat pump water heater systems that comply with NEEA's Advanced Water Heating Specification.

List of multifamily commercial heat pump water heater products that meet the NEEA Advanced Water Heating Specification Requirements.

Website for CEE, the US and Canadian consortium of natural gas and electric efficiency program administrators.

Webpage with instructions for heat pump installers to choose the most suitable type of heat pump system, according to a project’s specific requirements.

Document for contractors detailing how to prioritize, control, and configure heat pumps in a residence that uses two heating systems.

Document for customers describing the benefits of two-system controls for homes, including information answering how, when, why, and how two-system controls with multiple heating sources are employed.

Article describing the use of whole-house fans to provide cooling in the region surrounding Sacramento, CA.

Tool developed by LBNL to calculate potential savings from increasing wall and roof solar reflectance.

Technical bulletin addressing surfacing options in regards to composite wood panels and their emission barrier capabilities.

Article describing the importance of air sealing, insulation, and roof ventilation in reducing the likelihood of ice dam formation on roofs in cold snowy climates.

Research report describing the development of standardized test methods for PM2.5 and CO2 sensors enabling reliable, low-cost indoor air quality monitoring and improvement.

ENERGY STAR Key product criteria for dishwashers.

Website providing information about the U.S. Department of Energy (DOE) Weatherization Assistance Program (WAP), which reduces energy costs for low-income households by increasing the energy efficiency of approximately 35,000 homes every year.

Information sheet with safety tips for home owners on proper maintenance of clothes dryers.

A quick guide from the California Division of the State Architect (DSA) explaining the three types of gas shutoff devices to stop the flow of natural gas into buildings in the event of an earthquake or rupture of the gas line.

Webpage describing the successes and ongoing efforts of the Northwest Energy Efficiency Alliance's Go Ductless ductless heat pump program which successfully encouraged the installation of more than 150,000 minisplit heat pumps in the Northwest between 2010 and 2021.