Library

2009 edition of code establishing a baseline for the design and installation of fuel gas systems and gas fired appliances through performance requirements.

Document providing step-by-step guidance to sizing air-source heat pumps for a cold climate.

ASHRAE Standard prescribing an field evaluation and test method to measure and score the performance of unitary HVAC systems.

Standard providing a methodology for evaluating the installation quality of unitary HVAC systems.

Free online tool for sizing central heat pump water heater systems.

Journal article detailing laboratory and simulation studies quantifying the impact that heat pump and air conditioner installation faults have on system capacity and efficiency.

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.

Study in which a central heat pump water heater system was monitored in detail and used to create a model for assessing similar systems in various climates.

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...

Conference paper presented at the 2020 Summer Study on Energy Efficiency in Buildings presenting the results of an evaluation of control strategies used when new mini-splits are installed in a home with an existing HVAC system.