Domestic hot water

Calculation of domestic hot water tank, required domestic hot water power, energy to heat water

This program guide is an indispensable resource for those involved in the design and installation of domestic hot water (DHW) production systems. This document was created by Itieffe with the aim of providing a complete and detailed overview of the essential calculations needed to correctly size a DHW system, including calculations for the storage tank, the required power and the required energy.

Domestic hot water is a crucial element for comfort and safety in every building, from our apartments to commercial and industrial facilities. The accurate design of a DHW system is essential to ensure a reliable and adequate supply of hot water, avoiding energy waste and excessive costs.

We will explore in detail the key calculations needed to design an efficient and economical DHW system. We will start with the analysis of domestic hot water needs, taking into account the number of users, their habits and peak factors. Next, we will tackle the calculation of the capacity of the storage tank, considering the volume necessary to meet daily needs and the efficiency of the system.

We will continue by examining the calculation of the power required to heat water to the desired temperature in a timely and efficient manner. This aspect is essential to select the type of water heating system best suited to the specifics of the application.

In the final

Finally, we will tackle the calculation of the energy required for the entire water heating process, taking into account heat losses and the overall efficiency of the system. These calculations are key to determining long-term operating costs and ensuring a sustainable and economical ACS system.

DHW system design requires an in-depth understanding of thermal and hydraulic principles, but with the correct guidance, you can tackle this challenge effectively.

I hope this guide will be a valuable resource for you, helping to improve the design and efficiency of ACS systems.

◄ Back