Library

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

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.

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

Study evaluating opportunities for reducing cooling energy use in a hot dry climate through the use of shading and window options.

Article describing how air speed affects thermal comfort and how fans can provide energy savings.

Study using simulations to understand the impact that shading and natural ventilation would have had on the survivability of non-air-conditioned buildings during the 2021 heat wave in the Pacific Northwest.

Report detailing natural ventilation and passive airflow systems.

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 showing installers how to attach ducts, pipes, and associated equipment to buildings to minimize earthquake damage.

Fact sheet describing principles of insulating steam distribution and condensate return lines as an effective way to prevent energy loss.

Article discussing indoor water management.

News article describing the state of the residential battery storage market.

Study investigating measured cooling energy savings in homes across the U.S. from the installation of roofing with higher solar reflectance.

Study investigating measured cooling energy savings from the installation of wall finishes with higher solar reflectance.

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

DOE Energy Saver webpage providing a brief summary of natural ventilation for houses.

Database compiling extended capacity data for numerous cold climate heat pump manufacturers and models.

Report discussing the benefits of modern evaporative cooling systems for use in hot dry climate zones.

Document describing recommended modeling rules, potential compliance credits, and eligibility criteria for residential night ventilation cooling systems for California’s Title 24 energy efficiency standards.

Report describing the experimentally evaluated potential of a novel residential night cooling concept.

Webpage describing water treatment standards as related to residential drinking water filters.

Book describing passive cooling techniques from a technical and academic perspective.

This study evaluated 11 measures for passive cooling using four heat resilience metrics with and without grid power in Fresno CA and found the two most effective measures were installing solar-control window films and adding roof insulation; natural ventilation also helped reduce overheating in...

Website providing guidance on passive heating, cooling, and lighting methods.

Paper summarizing passive and low-energy cooling systems for buildings.

Blog article describing considerations for how to use trees for shading to reduce cooling energy demand.

Large scale simulation study investigating the effects of cool roofs and walls on buildings of various vintages across the U.S., with special attention given to California.

Table calculating friction losses of PVC pipe fittings.

Table calculating friction losses for PVC pipe by length.

Searchable database of over 3,000 roofing products that have undergone solar reflectance and thermal emittance testing.

Searchable database of wall cladding and coating products that have undergone solar reflectance and thermal emittance testing.

Document with important building science considerations, designed for members of the residential construction and remodeling industries, as well as owners and managers who work in affordable housing.

This study used an advanced airflow, energy and humidity modeling tool to evaluate the potential for residential mechanical pre-scooling strategies to reduce peak electriciy demand.

Field manual describing measures to reduce potential hazards and damages caused by and to nonstructural components of a building such as HVAC, appliances, lighting, windows, and furniture during an earthquake.

Report describing information from DOE about rules and standards for residential air conditioners and heat pumps.

Webpage describing a DOE Cold Climate Heat Pump Challenge. The challenge engages industry partners and focuses around the Cold Climate Heat Pumps, a more environmental and efficient heating alternative to traditional heating.

Paper covering a parametric study of foundation heat exchanger-based ground source heat pump systems for several house configurations in a range of European locations, with an emphasis on determining feasible combinations.

Website with information and research about residential hot water distribution systems.

Report evaluating mechanical AC precooling strategies in homes as a method for improving the load factor by shifting cooling operation from on-peak to off-peak hours.

DOE report characterizing the installed base of windows and window coverings, and how users operate window coverings in order to enable precise quantification of energy savings.

This project analyzed combined condensing water heaters or boilers and hydronic air coils to provide high efficiency domestic hot water (DHW) and forced air space heating. Called "combi" systems, they provided similar space and water heating performance less expensively than installing two...

Article from the Institute of Biological Engineering describing reverse osmosis water softeners.

Web page providing an overview of room-level air conditioning systems such as window units and mini-splits.

Webpage discussing the characteristics of sunlight and how cool roofs work to reduce solar heat gain.

Factsheet describing air-sealing.

Study conducted to help determine cost-effective solutions for heating and cooling houses that are designed to be energy efficient.

Spreadsheet tool that computes solar reflectance index (SRI) and roof surface temperature based on solar reflectance and thermal emittance using ASTM standard E 1980.

Information for properly sizing gas lines for use with tankless water heaters and other gas appliances.

Presentation on urban land use and sustainable building design.

The Technician's Guide equips practitioners with the knowledge to properly implement all of the measurement procedures required in the HVAC QI Specification.