Library

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

Factsheet outlining the advantages of using heat pumps, which are an efficient way to heat and cool a home.

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.

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 describing how to conserve heat or find alternative heat sources during a power outage to keep one room warm.

Web article describing two options for sizing ductless minisplit heat pumps, including a free HVAC sizing tool.

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

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.

Measure Guideline describing how to assess and carry out the isolation of natural draft combustion appliances from the conditioned spaces of low-rise residential buildings.

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

Information sheet with nail withdrawl capacities in OSB.

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

A website providing information on the purpose of burners and the components used in burners.

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

Article from Williams College on the key elements of passive solar design for homes.

Article investigating how a linear input/output relationship can be used as a simple model of the performance of a combination hydronic heating system over heating only, DHW only, and combined loads.

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

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.

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.

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

A research paper exploring the design, installation, repair and maintenance of solar water and pool heating technologies.

A research paper discussing the use of foundation heat exchangers for ground source heat pump systems in European climates.

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

DOE-sponsored report describing the experimental design and results of testing the energy performance of Hunter Douglas double-cell cellular shades under various control schemes in the Pacific Northwest National Laboratory’s Lab Homes.

Report describing use of the Energy in Modular (EMOD) method to design, produce, and deliver affordable, net-zero energy, low-carbon, and healthier buildings through industrialized (factory) construction of modular buildings; modeling of whole buildings and subassemblies of components, pods, panels...

Conference paper summarizing the relative performance of currently available Heat Pump Water Heaters (HPWH) models, the energy implications of different installation locations (garage, basement, or conditioned space) and ducting configurations (exhaust ducting, full ducting, or no ducting), as well...

Guide from Energy Star on smart thermostats and offering some guidance for choosing one.

This report describes the results of a multiyear research project that investigated the energy savings attributable to thermostatic radiator valves (TRVs) installed on one-pipe steam distribution systems.

Presentation report detailing Heat Pump Water Heater (HPWH) interaction with space conditioning systems in real-life test scenarios that explains some of the problems arising from these interaction and information that can be used to make the system more efficient.

This study uses a computer simulation approach to examine the energy and indoor air quality implications of passive and hybrid ventilation systems.

Fact sheet providing information on window attachments and their potential for improving energy efficiency.