Tag: energy-efficiency

21 What form of electrical lighting has the smallest energy-footprint? 2013-05-06T22:22:23.983

19 Leaving the oven door open for heat - bad idea? 2013-03-16T15:12:19.950

14 Shall I boil water with a water boiler (cooker) or with a pot? 2013-04-25T11:06:25.740

14 Are plastic cups more environmental friendly than ceramic mugs? 2016-04-03T05:49:03.637

13 Propane vs. Electric vs. Heat Pump 2013-02-23T19:13:04.460

13 Is it practical to use an infrared space heater along with a heat pump system? 2013-09-18T12:50:25.280

12 What is the relationship between energy efficiency and sustainability? 2013-02-13T09:14:57.143

11 Co-firing fossil fuels use in waste incineration 2015-10-19T07:20:53.433

10 Options to suggest to landlord for cost savings via renewable energy? 2013-12-03T01:03:25.807

10 Does it matter where I charge my device? 2014-05-29T15:09:22.247

10 What are the sustainability issues in moving house? 2014-06-20T12:53:15.837

10 Lowering the heating thermostat at night: is it really worth it? 2014-06-26T10:04:07.573

10 Do switchable sockets left "on" use electricity if there's nothing plugged in? 2014-10-25T16:05:34.480

10 Should I worry about the minimum mark on our kettle? 2015-12-08T00:07:34.920

9 Olive oil versus sunflower oil 2013-05-20T04:11:49.303

9 How to measure the energy output of a thermal solar hot water system? 2013-06-29T05:35:28.297

9 Should I take advantage of the higher heat pump COP during the warmest part of the day and "bank" heat in the house? 2013-12-02T01:59:21.820

9 How can I use my own body as an energy source for greater environmental sustainability? 2014-08-14T05:15:08.223

9 Are building certificates under EU Directive 2002/91/EC, such as EPC, Energieausweis, DPE, directly comparable between EU countries? 2016-11-29T19:10:11.387

8 What can a smart thermostats and meters tell me about how to reduce my home energy consumption? 2013-05-07T19:37:27.133

8 What would be the most sustainable biomass source for (100%) ethanol production? 2014-07-16T01:05:21.490

8 Does repeatedly turning on and off an appliance tend to damage it? 2014-08-26T08:38:48.533

8 Use waste heat of electrical appliances in place of traditional heating? 2014-12-07T00:20:58.597

8 How much gas does it take to heat water from 15 to 60 degrees C? 2017-02-17T20:50:05.353

7 What is the relationship between permaculture and sustainability? 2013-03-03T01:43:40.993

7 How can I measure the moisture content of my firewood to ensure good efficiency and clean burning? 2013-05-23T03:24:36.537

7 Have spray-on solar cells hit the market yet? What other lightweight cell can I use for unusual shapes? 2014-10-03T22:33:18.910

7 Practical and cheap ways to get warm at home this winter? 2014-10-08T13:57:46.237

7 Most fuel efficient way to run AC in my car? 2015-07-13T21:29:15.200

7 How much energy would U.S save if all public illumination use LED? 2015-09-06T01:36:20.313

7 Does it make any difference to charge my electronic devices using an USB port? 2016-02-23T22:14:54.603

7 Why isn't STES (Seasonal thermal energy storage) more popular? 2016-03-29T14:01:45.013

7 Anything similar to GravityLight that can be readily purchased? 2016-08-10T16:50:28.120

7 What are the incentives for energy companies promoting energy efficiency? 2016-08-16T17:27:55.337

6 How can I estimate the gas usage of a pilot light? 2013-11-24T14:50:23.337

6 Which is more "meter" efficient? I would like my utility bill to significantly cheaper 2014-02-03T12:27:58.653

6 MVHR no longer the ventilation of choice in some Nordic countries? 2014-05-03T10:52:16.020

6 Is the energy used to manufacture and install solar panels in proper balance with the energy output from them? 2014-08-25T01:06:27.880

6 cost of energy for old crt vs new flatscreen 2015-07-03T04:48:10.897

6 Which is more energy efficient? Heating ten 1L water separately or one 10L water directly 2015-11-26T16:56:37.677

6 Water heater vs stovetop: most efficient way to heat water using natural gas? 2017-03-03T03:06:04.390

6 More sustainable pick-me-up: can of coke or cup of tea/coffee? 2018-01-23T23:31:24.897

5 How much power does an Electric Airpot use while on standby? 2013-12-10T15:53:03.067

5 What's the most energy-efficient temperature to use when cooking? 2015-06-08T19:03:38.620

5 Best way to store vegetables in the fridge 2015-07-20T18:19:11.860

5 Is the production of hydrogen fuel more efficient than storing the excess solar energy in a battery? 2015-08-10T06:42:39.750

5 Electrical usage data logging with wireless data transfer 2016-01-02T12:19:21.613

5 Is it possible to calculate energy efficiency of a flat by knowing how much energy was consumed for heating? 2016-01-26T13:21:22.560

4 Which US university has done the most to reduce GHG? 2013-04-07T20:36:24.353

4 What is investment/outcome ratio for wind energy in terms of energy (EROEI)? 2014-02-05T20:21:04.060

4 Which one is more sustainable: central A/C or window A/C? 2014-02-26T20:20:42.653

4 How much energy costs do portable solar panels save in a house? 2015-02-24T08:52:15.070

4 How much firewood does it take to produce the equivalent of 1kWh of electrical heating? 2015-07-11T23:15:14.337

4 How can I more effectively cool my house by managing windows with outdoor temperature changes? 2015-08-15T00:00:35.740

4 What exactly is Potential Induced Degradation in PV panels? 2016-06-01T13:00:05.467

4 Energy Efficiency vs. Reduced Consumption 2016-06-10T05:44:34.553

4 Newer heat pump vs new space heaters in Seattle winter 2018-01-08T05:35:27.533

3 Photo voltaic windows Pro - Cons. Where to get them? 2013-06-02T14:02:50.843

3 How to cover an open-top shower, to make it feel warmer while showering 2015-04-16T10:46:46.100

3 Home owner doesn't care about house having insulation 2015-07-26T23:29:24.713

3 Which is more energy efficient, a washing machine express wash, or normal? 2015-10-06T16:41:11.400

3 Can artificial lighting compete with horizontal agriculture? 2015-10-13T22:56:25.570

3 Energy requirements for sustainable food production system 2015-11-14T01:17:03.440

3 How to regulate temperature at home with windows and blinds? 2016-11-24T12:08:27.217

3 How much energy would it cost to stabilize 2 tons of water at 70 degrees? 2017-01-17T13:38:35.967

3 How much energy am I harvesting? 2017-08-30T00:12:10.733

3 How much, if any, does resolution effect the net power consumption of watching online video? 2018-01-10T19:30:49.763

3 Are all Peltier-type stove fans the same? 2018-02-28T14:49:21.440

2 Less energy consumption when we stop using fossil fuels? 2015-02-03T06:07:30.047

2 How feasible would a gas-powered electric-engine based car be? 2015-09-30T15:06:53.277

2 Permaculture Urban Transition 2016-06-02T14:31:49.810

2 Is 3 phase electrical generation more efficient to utilize than single phase? 2016-12-06T22:53:39.540

1 Energy saving lamps suggestion 2015-03-12T19:52:15.470

1 Fuel efficiency when decelerating on a hill 2015-11-04T02:04:08.757

1 Model for sustainable, free food distribution 2016-03-02T23:14:40.320

1 Most cost effective heated flooring? 2017-09-14T11:43:23.580

1 Mindset change in developing countries 2017-12-06T22:21:41.090

-1 Cookware thermal isolation 2016-05-01T15:26:42.270