Library

Standard providing guidance on how to select, size, and locate the supply air diffusers, grilles and registers, and the return grilles.

View the APSP/ANSI Standards and codes below to get information about ANSI specifications for pools, spa and hot tubs.

You can save energy and maintain a comfortable swimming pool temperature by using a smaller, higher efficiency pump and by operating it less.

Calculator to help homeowner's calculate the size of pool pump they need.

Factsheet with information on energy efficient pool pumps.

Table of criteria for pool pumps to achieve ENERGY STAR certification.

This CASE report proposes updates and revisions to the standards for residential swimming pool filtration pumps, new and replacement single phase pump motors under 5 horsepower (HP), controllers, portable electric spas as well as expanding the scope of the current standards to include light emitting...

This report discusses proposed updates to the pool pumps and motors, and portable electric spas standards in the Appliance Efficiency Regulations (California Code of Regulations, Title 20, Sections 1601 to 1609). These proposed updates are part of the 2012 Appliance Efficiency Rulemaking, Phase I...

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

Guide addressing troubleshooting and frequently asked questions about water pressure.

Website providing a searchable list of products that meet the EPA WaterSense criteria for water savings.

Webpage describing specification requirements including checklist that establishes the criteria for water-efficient homes under the U.S. Environmental Protection Agency's (EPA's) WaterSense program.