Learn at low cost. Pass the quizzes and you’re eligible to purchase a certificate. Certificate prices are shown on each course’s page.
Energy Efficient Residential Hot Water System Course
Domestic hot water and water use account for a large percentage of residential energy usage. In commercial buildings, the proportion of energy usage is smaller. However, there may be opportunities to significantly reduce hot water energy usage and achieve valuable overall savings.
It might seem that domestic hot water systems are simple, but it requires a reasonably complex level of analysis and knowledge to maximize savings.
Without a detailed understanding of hot water systems, you could be missing out on additional savings.
What You’ll Learn
- The characteristics of different types of domestic hot water services.
- How to assess the efficiency of a hot water system.
- Ways of reducing energy and water usage.
- How to do calculations related to hot water – and be tested on your ability to do these calculations
- How to develop a robust business case for a domestic hot water system upgrade.
Fundamentals of Energy Efficient Domestic Hot Water & Water Description
In this Energy Efficient Residential Hot Water System Course, you’ll learn the fundamentals of domestic hot water systems and how to reduce water usage.
You’ll learn a systematic process for identifying hot water inefficiencies, how to use a Sankey diagram, and how to apply the energy efficiency hierarchy. The energy efficiency hierarchy helps you identify many opportunities, no matter what type of domestic hot water system.
This Fundamentals of Energy Efficient Domestic Hot Water & Water course elaborates on practical concerns and issues associated with domestic hot water upgrades. It then guides you in preparing the business case for a hot water upgrade.

CPD / CEU / PDH / CEP / CPC





Continuing Education (CE) or Continuing Professional Development (CPD) refers to additional formal learning activities that are required to maintain a professional certification or accreditation.
CE or CPD comes in many names but represents the same thing. Here are some of them that may be used in your country:
- CPD – Continuing Professional Development
- CEU – Continuing Education Units
- PDH – Professional Development Hours
- CEP – Continuing Education Programs
- CPC – Continuing Professional Competency
Many of our courses provide Continuing Professional Development credits, points, hours, or units. To learn more about Continuing Education and Continuing Professional Development, please read here.
This Course Is Perfect For:
Take this Energy Efficient Residential Hot Water System Course if you are new to energy auditing, are a facilities manager or energy manager looking to minimize energy wastage, or are a plumber or electrician wanting to provide your clients with the best possible service or advice.
This Energy Efficient Residential Hot Water System Course is for you if any of the following apply:
- You have little or no knowledge or experience with domestic hot water
- You have energy auditing experience but find it challenging to identify opportunities to save water with hot water systems
- You come from a plumbing trades background and are looking to understand more about domestic hot water fundamentals so that you can provide energy and water-saving upgrades and advice
- You want to learn how to maximize domestic hot water savings
As a production manager, facilities manager, environmental officer, sustainability manager, finance manager, general manager, or CEO of your business or organization, your time is important. This course provides procedures that you can follow to save time while ensuring that you get value from the energy audit. Lessons are to the point and can be applied immediately.
Become an Investment Grade Energy Auditor
If you want to further improve your energy systems management and optimization skills, we highly recommend completing our Investment Grade Energy Auditor (IGEA) certification.
By acquiring a IGEA certificate, you’ll be qualified to conduct professional energy audits for corporations, manufacturing plants, buildings, and other establishments in the industrial sector.
This Fundamentals of Energy Efficient Domestic Hot Water & Water course is the seventh part of the IGEA certification program (part seven of eight).
Certification
If you pass all the assessments in this Energy Efficient Residential Hot Water System Course you will be eligible to purchase a Certificate of Fundamentals of Energy Efficient Domestic Hot Water & Water. The assessment has been prepared by an expert, and is based on those key areas which demonstrate competence.
This course is accredited by ESTA (Energy Services and Technology Association).