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.

Ground-source and air-source heat pumps are extremely efficient machines, writes, David Reynolds

Ministers pushed to reverse ‘policy madness’ of scrapping exemption on 5% tax rise for heat pumps, solar panels and batteries

The handover marks the end of a 13-year licence for Smart DCC, a subsidiary of Capita, after years of spiralling costs and delays

Exclusive: Some of £2bn savings needed from energy budget expected to come from boiler upgrade scheme, sources say

The Naylors’ four-bedroom home in Milton Keynes acts like a mini-power station after retrofitting solar panels, a battery and a heat pump

She says a lack of fairness can make ‘people turn inwards’

She says a lack of fairness can make ‘people turn inwards’

At Roland Garros airport on Réunion island, the ceiling design funnels a light tropical breeze into the terminal

As summers become hotter, air conditioner sales are booming. If you’re looking to invest, here’s what to consider

Government should fit solar panels to power air con units where vulnerable people live, say green advocates

National Audit Office says potential benefits are ‘considerable but uncertain’ while risks are ‘immediate and substantial’

With a summer glut on cards, customers are being urged to use more energy when renewables are abundant

More use of two-way charging will earn money for owners and could avoid the need to expand North Sea oil drilling

Homes built from March 2028 will produce 75% less greenhouse gas emissions than those built to 2013 standard

The war reveals Britain’s exposure to volatile fossil fuel prices. More North Sea drilling will not shield households, building domestic green energy will

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.