Comparison with other heaters e.g. night storage heaters

According to the Department of Energy and Climate Change (DECC) website, the average energy consumption cost per household in the UK is about £1300.

60% of this covers gas usage (£780) and the rest of the 40% (£520) covers electricity. The DECC's statistics assume that any average household will have mains gas and therefore uses electricity only for lighting and home appliances but not heating. So £780 for home heating using gas is clearly higher than what it'll cost to use Suka heaters.

Now, for those who don't have gas, consider the cost of equivalent night storage heaters using the Economy 7 so-called cheap tariff:

Expected running cost of night storage heaters during a 24 hour/day use at 16.73pence per kilowatt hour (peak time of 17hrs) and 5.49p per kilowatt hour (off-peak of 7hrs) on Economy 7 Tariff
This specification for a semi-detached house, a terrace house or any dwelling of average standard modern room sizes
Room	Night Store Heater (kW) recommended	Target Temperature (Degrees C)		Usage Length			Likely Highest Running Cost of 5 Night Storage heaters
		Day	Night	100% charge for every 60 minutes	Day (17hrs)	Night (7hrs)	Total Cost/24hrs usage (£)	Cost /winter of 180 days (yr)
Bathroom	2.0 kw fan heater HS2000N	18	18	1.00	3	7	£ 0.8862	£ 159.52
Hallway	1.70kw HSXDA18N	20	16	1.00	3	7	£ 0.7644	£ 137.59
Bedroom 1	2.55kw HSXDA12N	18	16	1.00	3	7	£ 1.0755	£ 193.58
Bedroom 2	2.55kw HSXDA18N	18	16	1.00	3	7	£ 1.0755	£ 193.58
Lounge/Living area	3.40kw HSXAF24N	21	18	1.00	3	7	£ 1.6487	£ 296.77
Total	12.200 kW heat load!!!						£ 5.45/day	£981.04/annum*

*Running cost = kWh used x electricity tariff rate x consumption in every 60 minutes x 50% running capacity assuming night store heaters are controllable

Stove heating	Convector heating	Oil/Liquid Gas Central heating

Much loss of heat Large differences of temperature between floor and ceiling Dry air which can cause problems for eyes and sinuses	Uneven distribution of heat Too much movement of dust Often noisy Draughty	Large amount of space required for tank High cost of installation

Sueka heating system
	Even distribution of healthy warmth from floor to ceiling NO draughts NO dust swirling in the air NO loss of energy NO extra space required for boilers and/or tanks Simple Installation NO Maintenance

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