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If there is such a thing as low-demand energy, when is it available? To answer that question, think about how electricity consumption varies throughout the day. In the morning, the meters at a power station fly upwards as everyone wakes up to make breakfast. In the evening, the consumption figures drop, well, they do until a commercial break occurs during a favorite television show, then they peak again.

Finally, into the night hours, everyone goes back to bed.


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Consumption figures drop. As a consequence, the cost of electricity also drops. This, in a nutshell, is Off-Peak energy. Common sense says we can spend less money on our electricity bills when we consume electricity at night. Therefore, they can be two to three times more energy efficient than conventional electric resistance water heaters.

To move the heat, heat pumps work like a refrigerator in reverse. You can purchase a stand-alone heat pump water heating system as an integrated unit with a built-in water storage tank and back-up resistance heating elements. Cool exhaust air can be exhausted to the room or outdoors.

Install them in a space with excess heat, such as a furnace room. Heat pump water heaters will not operate efficiently in a cold space.

Heating and Hot Water | Energy Saving Trust

They tend to cool the spaces they are in. You can also install an air-source heat pump system that combines heating, cooling, and water heating.

HOT WATER HEATING: How to Use a Tank-Style Water Heater

These combination systems pull their heat indoors from the outdoor air in the winter and from the indoor air in the summer. Because they remove heat from the air, any type of air-source heat pump system works more efficiently in a warm climate.

Heating and hot water

A desuperheater is a small, auxiliary heat exchanger that uses superheated gases from the heat pump's compressor to heat water. This hot water then circulates through a pipe to the home's storage water heater tank. These boilers are also compatible with solar water heating systems, which deliver environmental benefits as well as lower energy bills.

Regular boilers sometimes known as traditional, conventional or heat only boilers are ideally suited to homes that already have a traditional heating and hot water system which is linked to a separate hot water cylinder. These boilers also need a cold water storage tank in the loft to feed the hot water cylinder as well as a tank that maintains the water level of the central heating system. A regular boiler may be the best option for replacing an existing boiler if the property has an older radiator system, as it might not be able to cope with the higher water pressure that is delivered by system or combi boilers.

Stored Hot Water

Changes to government legislation and technology advances in boiler design has driven boiler designs to condense to ensure as much heat as possible is converted into useful heat for your home. Along with heat, when gas or oil is burned within your boiler condensation is also created. This can be seen in the gases which plume out from the boiler, something that is especially noticeable in cold weather.

However in addition to this condensate being discharged in the air, condensate also collects inside the boiler and is drained away either inside or outside your home.


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  7. This is safe and nothing to worry about. However if your condensate pipe has not been terminated according to our installation guidelines, there is a chance it could freeze in severe weather conditions. The ErP Rating is a new requirement set by the European Union which is designed to drive improvements in the efficiency and performance of heating and hot water products. ErP labels are already a common sight on washing machines, televisions and other appliances within electrical retailers.

    The flue is the part of the boiler which allows exhaust gases to exit the boiler. The flue is typically situated directly behind the boiler enabling waste gases to exit safely straight out of the external wall of your home. Quoted for Combi boilers, a flow rate represents how many litres of hot water comes out of the tap in a minute.

    Your flow rate is determined by the amount and pressure of water that is entering your property from the water main and the ability of the boiler to heat that water to the temperature you have set. The more powerful a boiler is represented in kW , the faster the boiler will be able to heat the water coming into your home.

    https://postkingmemi.tk However it is important to recognise a high kW output will not always increase your flow rate. If you have 10 litres per minute coming into your property, you will only be able to receive 10 litres per min of hot water. For example having a boiler that has a maximum flow rate of 14 litres per min will not increase the amount of hot water you receive, if you only have 10 litres per min coming into your boiler. Gas Safe Accreditation is the hallmark for gas safety in the UK.

    An installer must be on the Gas Safe Register to be legally allowed to work on your boiler or any other gas appliances in your home. Greenstar is the name given to all of the Worcester Gas fired boiler range, and signifies high energy efficiency, reliability and comfort.