Library

Federal statistics about national energy consumption in residential homes in 2020

Performance rating standards for unitary air-conditioners and unitary air-source heat pumps, including definitions, classifications, testing, rating, and operating requirements, as well as minimum data requirements for published ratings and markings.

Guidebook covering basic principles and data used in the HVAC&R industry. This is the 2023 edition of the handbook, which can be purchased physically or digitally at the reference link in versions using either I-P units of measurement or SI units of measurement.

Article describing utility rates, net metering policies, installation costs, financial incentives, and other info for both consumers who are interested in installing renewable energy systems and for energy justice and clean energy advocates.

Website containing commercial information related to air conditioning and heating.

Website homepage for the Air Conditioning Contractors of America (ACCA).

Standard covering equipment sizing loads for single-family-detached homes, small multi-unit structures, condo­miniums, town houses and manufactured homes.

Standard covering sizing strategies for all types of cooling and heating equipment, as well as how to use comprehensive manufacturer’s performance data on sensible, latent, or heating capacity for various operating conditions.

Standard providing nationally recognized, manufacturer-endorsed set of inspection tasks for HVAC maintenance.

Standard providing a universally accepted definition for quality installation for residential and commercial heating, ventilating, and air conditioning applications.

Document detailing the requirements, roles, and obligations for participants in an organized effort, ensuring that HVAC installations comply with the ANSI/ACCA 5 QI – 2010 (HVAC Quality Installation Specification) QI Standard.

Fact sheet describing best strategies to bring ductwork on single-story homes with a slab-on-grade foundation in hot, dry climates into the conditioned envelope of the home intending to highlight the pros and cons of multiple ductwork integration strategies, including traditional duct systems in...

The research report outlines a practical and cost-effective strategy utilizing central HVAC systems to optimize humidity control and ventilation in energy-efficient homes located in hot-humid climates, demonstrating significant improvements without requiring complex equipment upgrades.

Article describing recessed lighting, which if installed incorrectly may contribute to air leakage and compromise building envelope efficiency.

This is a federal tax credit for complying air source heat pumpe. Units located in the "North" must meet ENERGY STAR's cold climate heat pump criteria.

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

Webpage describing the functionality and benefits of switching to Air Source Heat Pumps, as well as linking to sets of products, rebates, most efficient ASHPs, and providing consumer aid for purchasing an ASHP.

Fact sheet describing the research on energy-efficient strategies for small single-story homes, including manufactured and Habitat for Humanity-built homes, utilizing mini split ductless heat pumps and through-wall transfer fans to achieve a 50% reduction in energy consumption compared to the 2009...

Technical report describing the integration of mini split ductless heat pumps and through-wall transfer fans in small single-story homes, to achieve a 50% reduction in space conditioning energy consumption compared to the 2009 International Energy Conservation Code, while ensuring affordability and...

Report about two test home evaluations that provided valuable data about the true in-field performance of various building mechanical systems and LAMELs.

Technical report describing how the FSEC Energy Research Center explores low-cost space-conditioning upgrades for existing homes by integrating centrally located, high-efficiency ductless mini split heat pumps with older but functional central space conditioning systems, aiming to achieve energy...

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

Report covering moisture and leakage issues associated with spray foam insulation application to the underside of roof sheathing.

Report about a building project in the marine climate.

Report describing a field investigation of failure rates of whole-house mechanical ventilation systems installed in Florida homes.

Report describing the business case of hosting a Level 2 electric vehicle (EV) charging station in New York, including analysis of real-world data on equipment use, costs, revenue, and assumptions derived from industry reports and original research.

This report outlines research activities that are expected to facilitate the adoption of energy retrofits by remodeling contractors and roofing contractors using retrofit panels which applicable to many existing house designs in most climates and markets.

DOE report characterizing market and technical barriers impeding broader utilization of fault detection technology for residential HVAC energy efficiency applications.

Report describing approaches to insulating basements in homes built to meet Energy Star levels of performance of heat loss reduction.

Report describing the best practices for the safe, efficient, and compliant installation of residential air source heat pump water heaters (HPWH) in California, aligning with the state's climate goals and providing guidance for educators, installers, and industry stakeholders.

Article describing the common ventilation system types, issues, and solutions in New York City's multifamily residential buildings to improve indoor air quality, occupant health, and building durability.

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.

Code establishing the rules of safety relating only to pressure integrity for the design, fabrication, and inspection of boilers and pressure vessels during construction which was published in the year 2017 and is available to order at the referenced link.

Code establishing the rules of safety relating only to pressure integrity for the design, fabrication, and inspection of boilers and pressure vessels during construction which was published in the year 2021 and is available to order at the referenced link.

Information sheet about insulating slabs.

Information sheet offering general recommendations on supplemental humidity control and outlines viable system configurations.

Report describing the recommended best practices to achieve energy savings without compromising health or safety.

Document describing the Building America research benchmark for the residential building program.

Report summarizing research results for the 30% energy savings level and demonstrates that lead builders can successfully provide 30% homes in the Marine Climate Region on a cost-neutral basis.

This report will review, and summarize the current state of understanding and research into enclosures with higher thermal resistance, so-called “High-R Enclosures.” Recommendations are provided for further research.

Web report explaining how correct filter sizing is an issue that applies to all new and existing homes that use ducted HVAC systems.

Reference investigating the strategy of using buried and/or encapsulated ducts to reduce duct thermal losses in residential buildings.

Webpage containing California Energy Commission's HVAC design information, including mandatory and prescriptive HVAC requirements for residential and nonresidential buildings following the California Energy Commission's Building Energy Efficiency Standards.

AHRI-hosted directory of residential products meeting CEE's highest tier

Report describing ventilation system design, including a central fan integrated supply (CFIS) system, made up of a 6-inch outdoor air intake duct connected to the return side of the air handler with a fan cycling control to make sure the fan runs a programmed minimum amount of time.

Part 2 of an article discussing how to maximize two-pipe steam systems for resident space heating.

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.

Installation manual for installing metal panel siding.

Specification defining performance and reporting requirements to meet the voluntary “Cold Climate Air Source Heat Pump Specification” (ccASHP Specification) for air source heat pumps suited to heat efficiently in cold climates (IECC cz 4 and higher).

Webpage outlining how to optimize the installations and performance of mini-split heat pump systems. As well, it discusses a set of design considerations for multi-level homes, low load homes, and heat distribution to rooms without a heat source.