Thermal mass / Green Building & Sustainable Home Renovation Information & Advice

Phase change building materials (PCMs)
Walls and ceilings - interior surfaces

Phase Change Building Materials for High-Performance Homes - The Best Products and Where to Buy Them

...thermal battery, absorbing and releasing heat to bridge the gap between lightweight framing and traditional heavy thermal mass. Understanding phase change material technology Residential applications: Drywall, ceilings, and floors Commercially available products and manufacturers Regional variables and market availabi...

A home with solar panels, heat pump and EV charging
Renewable energy

Integrating Solar, Home Batteries and Heat Pumps: How to Master Net Metering

...thermal mass: passive and active heating synergies Heat pumps are the most efficient bridge between solar generation and home comfort. Because they move heat rather than creating it, they can deliver 3 to 4 units of heat for every unit of electricity consumed. When paired with thermal mass for heat storage such as a sl...

Hempcrete home Image via Ecolibrium Designs
Wall assemblies - new construction

Hempcrete Walls: a Homeowner's and Pro's Guide

...thermal mass, its breathability, and its ability to eliminate thermal bridging. Fibers from hemp stalk mixed with a lime-based binder form the structure of a hempcrete wall Image © Hempbud UA Thermal mass and  R-value Hempcrete is a low-density material with a relatively low R-value (a measure of thermal resistance)....

Wall assemblies - new construction

Rammed Earth Homes: A Sustainable and Beautiful Wall Assembly

...thermal mass: One of the most celebrated attributes of rammed earth is its exceptional thermal mass. Similar to concrete or brick, these dense walls absorb heat during the day and slowly release it at night. This moderates indoor temperatures and reduces the need for active heating and cooling. Durability and longevity...

Solar thermal collectors

All about solar thermal collectors

...thermal solar is useful, so we will outline the options. Evacuated tube solar thermal collectors: Solar thermal collector © Viessmann This is the most common type of solar thermal collector you will likely see on the roof of a home. The collector panel itself is most commonly made up of glass tubes that contain coppe...

How radiant floors work
Architecture and plan design

How to design for thermal comfort in a home

...thermal bridging, sealed against air leaks, triple-paned windows, humidity control and properly designed heating, cooling and ventilation equipment, to name a few.   Thermal comfort = efficiency and durability: The less heat that is lost through the building enclosure, the warmer it will be, and less heat will be lost...

Solar Air Heating Panels for Homes - How to Build DIY
Solar thermal collectors

All about solar air heaters - DIY or purchased

...thermal mass included for heat storage, you will likely need an additional heat source like high efficiency wood-burning stoves or fireplaces, or if off-grid an electric-free wood pellet stove. Storing solar heat (thermal batteries): If you incorporate thermal mass into a home to store and release heat, you can distrib...

Concrete floors and timber frame as thermal mass
Efficient home design

The pros and cons of thermal mass in buildings

...thermal mass in it, any such savings pretty much cease to exist because it might take the entire day to drop even a full degree. The disadvantages of thermal mass in homes: Let's speak to the potential downsides of thermal mass first - if a home is regularly left empty for several days at a time or if you keep a cottag...

Celsius Solar Igloo
Solar thermal collectors

Celsius: the solar heated igloo!

...thermal mass bench which then radiates heat at night. On the roof are photovoltaic cells that charge batteries which then powers interior lights and the outdoor LED display . © Raphaël Thibodeau Us: Is this shelter a first in Québec? L. McC: There are buildings that are heated with solar power in Quebec, but...

Phase change construction materials, energy storage for homes
Efficient home design

Phase Change Building Materials - Natural Heat Storage in Buildings

...Thermal bridges and thermal breaks: reducing heat loss through materials Which rigid foam insulation panels are best to use where - Polyiso v EPS v Styrofoam & alternatives How to design for thermal comfort - its more than just air temperature!  Balancing insulation levels: put insulation where it does the mo...

Efficient home design

Thermal batteries: how to passively store heat

...thermal battery? Thermal mass of any kind can by definition be called a thermal battery, as it has the ability to store heat. In the context of a house, that means dense materials like bricks, masonry and concrete. Even a jug of water sitting in a sunny window is a thermal battery of sorts as it captures and later rele...