thermal mass, definition of

Thermal lag describes a material's thermal mass in terms of time. A material with high thermal mass (high heat capacity and low conductivity) will have a high thermal lag. In effect the addition of (or removal of) energy from one side of the mass 'lags' with respect to the other side.

• What is R-Value, U-Value and how do they relate to insulation?
  How the R-value of a buildings insulation or home is calculated and the factors that effect the final R value, and how to use it.
• What is a Trombe Wall and how can you use one?
  Trombe Walls can provide free heating, cooling and ventilation. We explain how Trombe Walls work; how to build a Trombe Wall and how such a wall saves money by reducing energy usage.
• The importance of building orientation
  Building orientation to the Sun is important to reduce energy consumption, keeping comfortable and saving money. This article explains how best to get building orientation correct. Through a combination of benefits and opportunities the correct building orientation could save you thousands.
• What is Passive Solar?
  Passive solar building design is explained and how passive solar principals are used to design green homes and buildings, and save you money.
• Green Home Building and Ecology in Australia
  Info and sites that help with building a sustainable and green home in Australia and useful government agencies to be aware of. Also advice on dealing with architects and builders.
• Keeping your home Cool in Summer or Warm in Winter for free!
  How to keep cool or warm in your home by design, either in Summer or Winter, whilst reducing costs to you and the Earth..

Related Tags: architecture, passive solar