Library

2012 edition of code establishing a baseline for the design and installation of fuel gas systems and gas fired appliances through performance requirements.

A supplement to the 2012 Florida Building Code on energy efficiency and conservation.

2015 edition of code establishing minimum regulations for mechanical systems, including heating, cooling, ventilation, exhaust, ducts, fireplaces, combustion and hydronic systems, using prescriptive and performance-related provisions.

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

The manual covers residential zoning issues - multiple, single-zone, and central multi-zone systems - and includes advice on working with homeowners to adapt the heating or cooling system design to meet modern home design features.

Report analyzing design heating load sizing methods for superinsulated homes in cold climates and comparing them to the actual energy usage to determine if the building load calculation methodology should be changed for calculating the design heating load of these homes.

Standard covering updates to the expected leakage rates for ductwork constructed to the SMACNA HVAC Duct Construction Standards—Metal & Flexible, duct leakage test procedures; includes recommendations on use of leakage testing, types of test apparatus, and test setup and sample leakage analysis.

This directory contains the I=B=R Ratings for cast-iron, steel, aluminum and copper boilers, baseboard and finned tube radiation, indirect-fired water heaters, effective as of the date of this publication.

Report about City of Meriden Housing Authority's (MHA) collaboration with Jonathon Rose Companies to complete a gut renovation of 126 residential units in the Chamberlain Heights retrofit project.

Report describing strategies to improve the aging steam heating systems in New York City to improve energy efficiency, reduce oil and gas usage, and cut maintenance costs.

Report on experiments comparing the cooling and heating seasonal and peak demand performance of different variable-capacity air conditioning and heat pump units.

Part of a larger LBNL report (Deep Energy Retrofit Guidance for the Building America Solutions Center), the Source Energy and Carbon Decisions chapter helps users carefully assess the impacts of switching from gas to electricity for heating end-uses, using source energy and/or carbon emissions...

Research study analyzing the effects a nonlinear enthalpy profile has on thermal performance and expected energy benefits for PCM-enhanced insulation.

Document reviewing four cold-climate northern Illinois energy efficiency retrofit programs to identify practices, tools, and approaches to streamline and reduce costs of comprehensive retrofits, and to improve the consistency of audit and retrofit delivery practices across different programs.

Expert meeting identifying installation practices that provide the best installed efficiency for residential gas furnaces, explain how AFUE and field efficiency can differ, and investigate the impact of installation practices on the efficiency and long-term durability of the furnace.

The New York State Energy Research and Development Authority (NYSERDA) is interested in finding cost-effective solutions for deep energy retrofits (DERs) related to exterior wall insulation in a cold climate, with targets of 50% peak load reduction and 50% space conditioning energy savings.

Report of a field evaluation of four novel roof designs to see how each design would reduce space-conditioned energy use so that the knowledge gained could be applied to the design of new manufactured homes.

Website blog with guidance about calculating heat-loss.

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

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.

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.

Report on the long-term performance of mini-split heat pumps.

Report focusing on managing the driving forces that move air and water vapor across the building envelope.

Document covering two fundamental retrofit strategies for air sealing around air handling systems that are located within the living space in an enclosed closet.

Report about evaporative condensers, to provide information on a cost-effective solution for energy and demand savings in homes with cooling loads.

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.

Guide describing proper application, design, and installation of mechanical ventilation cooling systems for homes located in hot-dry and cold-dry climates, as well as a means of understanding the benefits, costs, and tradeoffs of these systems.

Book with indepth information about hydronic systems for residential and commercial buildings.

This report is designed to meet ASHRAE 62.2-2010/2013 and ANSI/ACCA’s 5 QI-2015 protocol, thereby improving the performance of HVAC equipment in new homes when compared to homes built to minimum code.

Document on the development of two simple in-home efficiency test methods that can be used by technicians, researchers, or interested homeowners to verify the correct operation and energy efficiency of a homes air conditioning and heating equipment.

Document about development of recommendations to help residential HVAC designers select optimal supply inlet size and system operating conditions to maintain good thermal comfort in low heating and cooling load homes.

Report proposes high performance duct measures for inclusion in California Title 24 building energy efficiency standards for 2016.

IECC code note explaining new fan efficacy requirements, along with how to determine which fans are affected by the new fan requirements.

Report aimed at gaining a better understanding about benefits, challenges and technologies associated with natural gas feedback systems.

A quick-reference guide advising homeowners on how to elevate and protect outdoor HVAC equipment from high winds and floods.

Report describing procedures for increasing sensible efficiencies through increased flow rates across the air handling unit and increased indoor coil sizes.

Report describing construction of test homes in Atlanta, GA meeting Building America savings targets and serving as a basis of design for other homes Martin Dodson plans to build within the Serenbe community.

Report addressing barriers to information, contractor resources and cost savings associated with steam balancing multifamily buildings.

Report describing the equipment selection of a split system air conditioner and furnace for an example house in Chicago, Illinois, as well as a heat pump system for an example house in Orlando, Florida.

Report describing findings from research related to heating, ventilation, and air conditioning (HVAC) companies that have made the decision to transition to whole house performance contracting (WHPC).

This guide and workbook offers practitioners with the knowledge to properly implement the measurement and documentation procedures required in the ANSI/ACCA 5.

Report on a project conducted to better understand the current usage of thermostatic radiator valves by key market players in steam and hot water heating and to conduct limited experiments on the effectiveness of new and old thermostatic radiator valves as a means of controlling space temperatures...

Report summarizing NRELs efforts to develop diagnostic test cases to conduct accurate energy simulations when phase change materials (PCMs) are modeled in residential buildings.

Report outlining the features of a test house built in Silver Spring , Maryland, and discussing the implementation of the energy efficient design, and reports on the short-term testing results.