energy efficiency', Tag

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.

Convection directly effects the cost of keeping your house warm in winter. This article explains what convention is and some practical tips on how to battle convection.

Increase of 2% last year driven by plant expansion in China and slowdown in US and Europe closures

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts

Experts say ‘bare minimum’ building codes and a lack of interest from builders are making Australian bathrooms less energy-efficient

Recent $74m investment made alongside assessment that 10% of electricity could be generated by geothermal by 2050

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts

Fears of overcharging on bill grows after jump from 2.7m machines is blamed on reporting errors from energy providers

Installations must speed up 11-fold as advisers say latest changes to scheme likely to make 2028 target even harder

Analysis finds 58 people have died due to cold homes every winter day since 2013 Tory pledge to ‘cut the green crap’

PM says he will not gamble on energy security, in move likely to be seen as backwards step in decarbonising network

Study finds ‘systematic progress’ achieved in 2010s with some states reaching targets a decade early

Sales fell 5% over 14 countries for which data exists, according to the European Heat Pump Association

Mike McClelland proposes a 1p charge for messages in response to an article on the downside of Ireland’s datacentre boom. Plus a letter from Sue Stephenson

Cash injection in Great British Energy should be increased to £30bn, thinktank says after Keir Starmer U-turn

Housebuilders and campaigners warn of cold, damp homes and UK missing legally binding targets

Party officials confirm it might not spend £6bn promised if it breaks fiscal rules, while government claims it will cost twice that

There are ways of keeping a house or property comfortable without spending a fortune on electricity. Listed here are ways to do that.

Using an energy efficient appliance is an important decision to make, as often the appliance is left running 24x7 so if you choose the right appliance it could significantly reduce your ongoing energy costs.

Lighting is usually the second highest energy consumer in a property (after heating and cooling); therefore using energy efficient lighting can do a lot to reduce energy consumption...

Home automation can help reduce the energy demands of a building whilst making it more comfortable to work or live in.

Green or Eco Architects are architects who specialize in designing buildings that are energy efficient, sustainable and kind to the environment. This is achieved by: reducing the environmental impact of building; designing...

Been efficient in our energy usage not only helps reduce the demands placed on the planet it can also save money. There are various ways in which you can reduce your energy usage ranging from energy efficient light bulbs...

Work out how much power your devices and appliances use with the total cost. Also shows how much standby/phantom power costs you. Helps you save money.

This solar panel calculator will, given the Watt rating of a solar panel, its dimensions and number of units calculate the total power you can expect and roof space taken up...

Interactive calculator to help work out the savings from installing a solar power system and when it breaks even. Can factor in Feed in Tariffs, rising electrical bill costs and comparative investment returns.

Works out the ideal Eave depth for a given height of window and world location; so the Sun comes in in Winter but not Summer, maximizing the passive solar effect.

R-value to U-value conversion calculator

R-Value calculator to work out the total R-Value of a set of materials, say in a wall, ceiling or floor. Great for working out rate of heat loss or gain.