How to SAVE on Heating

On all of our installations we have energy conservation in mind. Due to changes in the Building Regulations, Part L specifically, a few changes have to be made when designing and installing a system. It requires new boilers to have a SEDBUK efficiency of at least 82% if fuelled by natural gas.

SEDBUK is the seasonal measure of a boiler installed in a normal property in the UK. The SEDBUK percentage of the boiler puts it in a certain band, Band A being the most energy efficient, down the least efficient Band G. The percentage relates to pence per pound of gas, so Band A boilers offer 90p+ of energy from £1 of gas. Most condensing boilers are in the Band A category. If you don’t have the need to install a new system, you can enhance your existing by a few methods below:
  • Thermostatic radiator valves (TRV's) - The valves are set to the required number, which relates to heat, 1 being the lowest, 5 the highest. When the room gets up to the correct temperature the liquid, wax or gas within the TRV expands, closing the valve so the boiler is not heating a room that does not need to be heated, saving energy. We fit TRV valves on every single radiator we install, apart from where a room stat is positioned as per regulations. Heating unoccupied rooms is a great way to waste energy!

  • Room thermostat - Fitted in a room without a TRV on the radiator, normally the hallway. This controls the boiler to the whole heating system basically, when the hallway is up to temperature the thermostat electronically switches the boiler off.  The thermostat is normally set to around 21°c. Use a room thermostat in conjunction with a programmer to achieve greater savings, a programmer enables you to run your central heating on/off times according to a clock, so you can set your system to be off when you are not in the house. We offer a programmable wireless room stat on all new installations.

  • Motorised valves - Used in conjunction with a system boiler and cylinder. Prevents the boiler overworking, the motorised valves are controlled by the cylinder thermostat and room thermostats. They shut off so the boiler does not keep heating water to supply the hot water cylinder and central heating circuit.

  • Correct radiator sizing - as mentioned in the heating section, a smaller volume radiator which puts out the same heat as a larger, older, higher volume radiator saves the central heating circuit having a higher amount of water in for the boiler to heat up. Changing older radiators for newer, more efficient radiators can make a big difference. Sizing a radiator can be done in our tips and advice section.
  • Boiler control interlock - this is when all devices such as room thermostat, programmer, cylinder thermostats and motorised valves are connected electronically into one wiring centre. It is designed to ensure the boiler does not fire up when there is no demand for heat. Boiler control interlock is not an actual product; it is a method of wiring up the controls.

  • Power Flushing - The sludge going around you central heating system gets baked onto the heat exchanger in your boiler; this slows the water from leaving the boiler. This causes the boiler to heat the water that has already been heated and start to overheat. The sludge and lime scale in your system, are good insulators of heat, therefore the boiler has to overwork again heating these two useless products in your system. Over time this is going to get worse and waste a lot of energy! Simple solution is to flush it out and inhibit the systems with the correct chemical to stop it happening again.

  • Lime scale reducers and water softeners - These products change the makeup of water to reduce scale. Water softeners are the better method of the two. Both products are a good idea in hard water areas, they help reduce or eliminate scale build-up in your whole water system. Reducing scale in the hot water and heating systems is the main benefit. It enables your system to transfer heat better to the softened water and can help increase the lifetime of your boiler, radiators, cylinders and all valves.

  •  Central Heating protectors – Items such as Adey's Magnaclean and Fernox's TF-1 are great at stopping harmfull sludge and sediment get into your boilers internals, greatly improving reliability and efficiency. These type of devices are easy to retrofit onto existing systems and are always recommended paying the extra for if you are getting a brand new boiler fitted. Using these devices along with correct system chemicals greatly improves the lifespan and performance of your new and existing boiler and central heating system.

Southern Counties
Heating & Plumbing

Copyright © 2015

Office Telephone: 02392 640883
Fax: 02392 361700
Email: lloyd.emery@sc-hp.co.uk

41 Brecon Avenue
Portsmouth
Hampshire
PO6 2AN

Measures taken to ensure quality in our services:

  • Gas Safe registered No. 179300
  • Plumbing NVQ to Level 3 City and Guilds
  • ACS Gas Certificate completed
  • Green Energy qualifications
  • General Knowledge of Plumbing, Heating and Gas installations
  • Public Liability Insurance to £2million

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