Library

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 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.

A website explaining how to properly dispose of old refrigeration and air-conditioning equipment.

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...

Expert meeting held to discuss simplified space conditioning systems in low load homes, including the relationship between advanced thermal enclosures, space conditioning systems and comfort.

Information sheet with an analysis of mini split heat pump systems.

Report on field monitoring of inverter-driven ASHPs in cold-climate homes.

Factsheet describing the uses and benefits of ground-source heat pumps for affordable housing, assisted living, dorms and hotels.

Article discussing the advantages of using heat pumps and/or hydronic forced air heat instead of furnaces in high-performance homes.

Report providing information about energy-efficient heating, ventilation, and cooling (HVAC) equipment options to help homeowners cut their energy use, reduce their carbon footprint, and increase their homes comfort, health, and safety.

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 performance of current diagnostics as well as a draft test method for use in future air flow evaluations.

Report presenting lab evaluation of five heat pump water heaters available in the US market today.

Report proposing mini-split heat pumps as a new retrofit option to replace resistance heating in the Pacific Northwest.

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.

Report about proper water heater selection developed to provide step-by-step procedures for evaluating preferred cost-effective options for energy efficient water heater alternatives based on local utility rates, climate, and anticipated loads.

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...