Sentences with phrase «water heating demands»

Not exact matches

And it's a large share of demand: Moving, treating and heating water account for nearly 20 percent of all energy consumed in the state, according to the California Energy Commission.

When demand for electricity is again high, the system is reversed: The weight of the water forces the air back to the surface, where it collects the stored heat and drives an expander, reproducing approximately 70 per cent of the input electricity and releasing the air back into the environment.

The two companies worked together to design a tankless natural gas - powered water heating system for use in the high - demand environment of a fast service restaurant.

«Restaurants can't survive without sufficient hot water and this project proved it's possible to have plenty of hot water on demand using less energy than required by a traditional water heating system.»

UPDATED, 12:04 p.m., March 23: The city Department of Buildings ordered Joseph Chetrit to stop work at the Hotel Chelsea late Friday night, in response to a construction incident that knocked out gas, heat and hot water at the property — and a day after City Council Speaker Christine Quinn demanded an immediate shutdown of construction.

It would need about 200 exabytes (about 200 million terabytes) of data to heat a gram of water by just a single degree Celsius — an overwhelming demand for data storage.

These have resulted in a high market demand for eco-friendly sorbents which have greater absorbency and water repellent properties, as well as effective heat insulation materials that are less costly to install.

When demand is high, the salt's heat turns water into steam to drive a turbine, making electricity.

However, more 90 °F + (32 °C +) days will also 1) increase evapotranspiration and water demand for most crops; 2) limit grain development from pollination to seed (i.e., grain fill); and 3) elevate heat stress on livestock.

If the loads are large, the wires may not be big enough to handle the current demanded and they will start to heat up and they will also «fail to deliver» — the resistance of the wire will hold down the current that is available to the load, much the way a small hose will not be able to deliver as much water as a larger hose could.

Some of those elements include: - Light - colored roofing that reflects heat and saves energy; - 70 percent ENERGY STAR ® certified appliances including refrigerators, TVs, computers and kitchen equipment; - Water - efficient toilets and aerated bathroom faucets; - 10 percent of the building materials used contain recycled content; - «On Demand» ventilation that provides fresh air for occupied spaces without wasting energy on unoccupied areas of the property; - LED lighting - controls that turn off the lights; - Incorporates high - tech daylight sensors to reduce electrical lighting with natural sunlight and - Uses renewable energy sources such as solar or wind.

Through appropriate building design, behavioural change and demand management (this does not mean living like a cave - man, just using resources efficiently) and appropriate matching of energy source with demand (i.e using solar radiation, not brown coal fired electricity for water heating), it is possible to eliminate these emissions completely.

These allow the integration of a range of options, including coupling with the electricity sector through heat pumps and power to heat, using the generation from variable renewable power sources at times of low demand to heat water for the district heating system.

I am on a cistern with hauled water that I pay for (also in CO) and it does take some time for the heated water from my propane on - demand heater to reach the source, wasting that cold water.

The thermal inertia of buildings and hot - water storage allows electricity demand from heating and cooling equipment to be shifted in time to suit the needs of the grid at low cost without compromising user comfort.

But over 75 % of the global potential in demand - side response lies in buildings, with space heating, water heating and air conditioning loads contributing the most.

Hot water and hydronic heating are to be provided by a Baxi Luna tankless, on demand, high efficiency propane fired hot water heater.

In conventional methods of energy balancing, only the energy demand for heating, potable water, lighting and cooling is considered.

Tankless on - demand systems provide another approach to efficient water heating.

Reduced demand for fossil fuels will improve the environment by reducing air and water pollution as well as the heat - trapping gases that cause global warming.

6kw to cover heating & hot water (higher hot water demand as housing for the elderly).

Due to an increase in demand for natural gas for space and water heating, and limitations imposed by natural gas pipeline constraints, electricity generation from gas was unable to scale up, and the burden was transferred to oil as dual fuel generators switched over.

These actions mostly address sectoral interests, such as agricultural practices (e.g., altering sowing times, crop cultivars and species, and irrigation and fertilizer control), public health measures for heat - related risks (e.g., early warning systems and air pollution control), disaster risk reduction (e.g., early warning systems), and water resources (e.g., supply and demand management).

2: Our Changing Climate, Key Message 6).7 In the future, farmers may also face too little water in summer to meet increased crop water demand as summers become hotter and growing seasons lengthen.68, 61 Increased frequency of summer heat stress is also projected, which can negatively affect crop yields and milk production.64

These include solar gain for heating water, prevailing winds for ventilation, rain fall to offset potable water demand, and a climate suitable for gardening.

for government lists the many options for businesses choosing to participate in the scheme, such as shifting demand for water heating or industrial cooling.

(11/15/07) «Ban the Bulb: Worldwide Shift from Incandescents to Compact Fluorescents Could Close 270 Coal - Fired Power Plants» (5/9/07) «Massive Diversion of U.S. Grain to Fuel Cars is Raising World Food Prices» (3/21/07) «Distillery Demand for Grain to Fuel Cars Vastly Understated: World May Be Facing Highest Grain Prices in History» (1/4/07) «Santa Claus is Chinese OR Why China is Rising and the United States is Declining» (12/14/06) «Exploding U.S. Grain Demand for Automotive Fuel Threatens World Food Security and Political Stability» (11/3/06) «The Earth is Shrinking: Advancing Deserts and Rising Seas Squeezing Civilization» (11/15/06) «U.S. Population Reaches 300 Million, Heading for 400 Million: No Cause for Celebration» (10/4/06) «Supermarkets and Service Stations Now Competing for Grain» (7/13/06) «Let's Raise Gas Taxes and Lower Income Taxes» (5/12/06) «Wind Energy Demand Booming: Cost Dropping Below Conventional Sources Marks Key Milestone in U.S. Shift to Renewable Energy» (3/22/06) «Learning From China: Why the Western Economic Model Will not Work for the World» (3/9/05) «China Replacing the United States and World's Leading Consumer» (2/16/05)» Foreign Policy Damaging U.S. Economy» (10/27/04) «A Short Path to Oil Independence» (10/13/04) «World Food Security Deteriorating: Food Crunch In 2005 Now Likely» (05/05/04) «World Food Prices Rising: Decades of Environmental Neglect Shrinking Harvests in Key Countries» (04/28/04) «Saudis Have U.S. Over a Barrel: Shifting Terms of Trade Between Grain and Oil» (4/14/04) «Europe Leading World Into Age of Wind Energy» (4/8/04) «China's Shrinking Grain Harvest: How Its Growing Grain Imports Will Affect World Food Prices» (3/10/04) «U.S. Leading World Away From Cigarettes» (2/18/04) «Troubling New Flows of Environmental Refugees» (1/28/04) «Wakeup Call on the Food Front» (12/16/03) «Coal: U.S. Promotes While Canada and Europe Move Beyond» (12/3/03) «World Facing Fourth Consecutive Grain Harvest Shortfall» (9/17/03) «Record Temperatures Shrinking World Grain Harvest» (8/27/03) «China Losing War with Advancing Deserts» (8/4/03) «Wind Power Set to Become World's Leading Energy Source» (6/25/03) «World Creating Food Bubble Economy Based on Unsustainable Use of Water» (3/13/03) «Global Temperature Near Record for 2002: Takes Toll in Deadly Heat Waves, Withered Harvests, & Melting Ice» (12/11/02) «Rising Temperatures & Falling Water Tables Raising Food Prices» (8/21/02) «Water Deficits Growing in Many Countries» (8/6/02) «World Turning to Bicycle for Mobility and Exercise» (7/17/02) «New York: Garbage Capital of the World» (4/17/02) «Earth's Ice Melting Faster Than Projected» (3/12/02) «World's Rangelands Deteriorating Under Mounting Pressure» (2/5/02) «World Wind Generating Capacity Jumps 31 Percent in 2001» (1/8/02) «This Year May be Second Warmest on Record» (12/18/01) «World Grain Harvest Falling Short by 54 Million Tons: Water Shortages Contributing to Shortfall» (11/21/01) «Rising Sea Level Forcing Evacuation of Island Country» (11/15/01) «Worsening Water Shortages Threaten China's Food Security» (10/4/01) «Wind Power: The Missing Link in the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for Land» (2/14/01) «Obesity Epidemic Threatens Health in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of page

There is one glaringly obvious reason why the Beehive might have such high primary energy demand: the hot water is heated solely by an electric immersion, and with thermostatic control, meaning the tank is constantly kept hot in spite of Clare and Oscar's apparently parsimonious hot water use.

Granted, things like off - peak water heating fall into that category, but there's still going to be plenty of demand from (say) 5 pm — 10 pm most nights, and that can't come from solar in winter.

At Rochestown House, the calculated space heating demand of 25 kWh / m2 / yr is accompanied with a domestic hot water demand of 32 kWh / m2 / yr.

With the drought and heat waves that have beset Texas, the increasing demand for electricity for cooling and fresh water for irrigation and livestock has created serious challenges for these power plants.

Altered agricultural conditions, including extreme heat, expanded water demands, and increased severe weather events, will affect food availability and cost, particularly in vulnerable regions in which child undernutrition is already a major threat.43 The decreased protein, iron, and zinc content of certain major crops has been demonstrated for plants grown under increased CO2 conditions, 44,45 carrying significant implications for child nutrition.

Another troubling area for me was when we designed a hydronic heating system using the Life Breath Clean Air Furnace that made its hot water with a combination of solar thermal backed up by an on - demand water heater, the calculation for energy consumption was based soley on the AFUE of the back - up water - heater.

Across the country, water demand from power plants is combining with pressure from growing populations and other needs, and is straining our water resources — especially during droughts and heat waves.

Last but not least, an electric on - demand water heater can boost the water temperature if the combination of waste - water heat recovery and solar thermal pre-heating do not make it hot enough.

An energy - saving demand tankless / instantaneous water heating system reduces energy output [sic; reduces energy input] and costs.

It is in winter when electricity demand is highest in Victoria, for home and water heating; winds tend to be strongest and most consistant in winter, so wind power would be well suited to at least partly take the place of gas in that state.

Building type: 1950s solid wall brick house, east - west orientation, detached (91sqm extended to 125sqm) Location: Nottingham Budget: Approx # 200k including extensions, full refurbishment, full and internal fit - out, garage rebuild, landscaping Space heating demand Before: 458 kWh / m2 / yr according to EPC at time of purchase After: 24kWh / m2 / yr (PHPP) Heat load Before: not known After: 10 W / m2 Primary energy demand (PHPP) Before: not known After: 81 kWh / m2 / yr Primary energy demand (measured) Before: 330 kWh / m2 / yr After: 81 kWh / m2 / yr Energy performance certificate (EPC) Before: E 39 After: B90 (predicting space and water heating total of over 13,000 kWh / yr compared with actual value of 5,345 kWh in 2013) Measured total energy consumption Before: 275 kWh / m2 / yr (Apr 2010 - Mar 2011) After: 56 kWh / m2 / yr (Jan - Dec 2013), not including PV use or generation.

District heating — centralized heating systems and distribution of generated heat to the buildings of a defined community, through a network of buried piped, to satisfy the demand for space and water heating.

During periods of high hot water demand, HPWHs actually switch to standard electric resistance heat — which is why they are often referred to as «hybrid» electric water heaters.

Comparing the operational costs associated with heating the same water volume using electricity or natural gas allows your Realtor to demand a higher price for your home.

On demand hot water systems are designed to take very little space, and to heat water at time of demand, only when the hot water tap is on.

Tankless designs that attach to a plumbing system work on demand, heating water only when needed and paring energy consumption.

«It's truly an on - demand hot water heater,» says Kyle Whelpley, operations manager for J.F. Denney Plumbing and Heating Inc. in Leavenworth, Kan. «It does nothing until you turn on your hot water.

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