Our Mission
"Our policy is to establish long-term customer relationships based on trust and a commitment in supplying high quality products. We know that our success depends on our customer saving energy and money!" Climate change
Over 40% of the UK's carbon dioxide emissions, the main greenhouse gas which causes climate change, actually come from the energy we use every day - at home and when we travel.
MCS Approved Products
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| Model | ESP 400 |
010-150L(D) | 010-200L (D) |
010-250L (D) |
010-300L (D) |
| Heating capacity |
kw | 2.6 | 2.6 | 2.6 | 2.6 |
| Water tank capacity |
L | 150 | 200 | 250 | 300 |
| Power input |
W | 810 | 810 | 810 | 810 |
| Running current |
A | 3.7 | 3.7 | 3.7 | 3.7 |
| Power supply |
V/PH/Hz | 220/1/50 | 220/1/50 | 220/1/50 | 220/1/50 |
| Compressor Number |
1 | 1 | 1 | 1 | |
| Compressor |
rotary | rotary | rotary | rotary | |
| Rated outlet water temperature |
°C | 55 | 55 | 55 | 55 |
| Max. Outlet water temperature |
°C | 60 | 60 | 60 | 60 |
| Air volume |
m³/h | 450 | 450 | 450 | 450 |
| Air pressure |
Pa | 60 | 60 | 60 | 60 |
| Duct diameter |
mm | Ø200 | Ø200 | Ø200 | Ø200 |
| Noise |
db(A) | 49 | 49 | 49 | 49 |
| Water inlet size / outlet size |
Inch | 3/4" | 3/4" | 3/4" | 3/4" |
| Auxiliary electrical heating capacity |
kw | 1.5 | 1.5 | 1.5 | 1.5 |
| Net dimensions |
mm | 470 x 1830 | 560 x 1700 |
560 x 1950 |
640 x 1750 |
| Net weight |
kg | 63 | 73 | 81 | 88 |
| Shipping weight |
kg | 68 | 78 | 86 | 93 |
Stylishly designed domestic units can also be widely used in commercial buildings.
The Earth Save products - Ecocent is relatively light, making transportation to and around the installation site much easier. This , in turn, makes installation easier.
| HOT WATER RECOVERY RATE | |||
| Ambient (°C) |
LITRES PER HOUR |
Ambient (°C) |
LITRES PER HOUR |
| 40 | 92 | 15 |
50 |
| 35 | 84 | 10 |
44 |
| 30 | 75 | 5 | 37 |
| 25 | 66 | 0 |
32 |
This unit provides:
- A Mains Pressure hot water cylinder for your home that can produce over 1000 litres. a day with energy savings of up to 75%.
- It always saves you money (even without sun) and no panels on your roof.
- Very competitive pricing and easy installation.
Please note that the Ecocent is also capable of delivering space heating for small houses or apartments. This can be done by using the secondary coil within the unit to deliver heat to a heating system. This extremely versatile unit will deliver savings of up to 70% when used for suitable space heating applications. ESP recommends that for space heating applications the Ecocent be used in conjunction with Smith's Ecovector radiators.
It does this as follows:
- Air is drawn in to the top of the unit, heat energy is extracted (even cold air has energy) and transferred to the water.
- Optional flexible ducts can lead to your roof space or any large indoor area, like a double garage, to maximize the use of latent heat sources.
- Cooler, dehumidified air is expelled and can be used to cool areas such as kitchens, bakeries etc. (or pushed outside or back in to the roof space).
- The process guarantees very low running costs.
- The unit can run during the daytime to take advantage of warmer air and has programmable functions and timers.
NOTE:
- The Unit is for indoor installation only (e.g. airing cupboard).
- It is installed in the same way, and just as easily, as a conventional mains pressure hot water cylinder, with additional ducts to your roof space or elsewhere (as appropriate).
- There is a 5 year warranty.
- It has up to a 15 year life expectancy with virtually no annual maintenance required.
- The Unit will produce substantial savings for the average family, making our heat pump a worthwhile investment with short payback time.
| Different performance under different conditions | ||||||
| For model: Ecocent (DHW unit) | ||||||
| Air Temperature °C |
Outlet hot water temp °C | |||||
| 45 | 55 |
45.0 | 55.0 | |||
| QH | NH | QH |
NH | COP | COP | |
| -2 | 1.2 | 0.75 | 0.9 | 0.84 | 1.60 | 1.07 |
| 2 | 1.7 | 0.77 | 1.4 | 0.86 | 2.21 | 1.63 |
| 6 | 2.1 | 0.785 | 1.8 | 0.875 | 2.68 | 2.06 |
| 10 | 2.4 | 0.8 | 2.1 | 0.89 | 3.00 | 2.36 |
| 15 | 2.6 | 0.81 | 2.3 | 0.9 | 3.21 | 2.56 |
| 18 | 2.75 | 0.83 | 2.48 | 0.93 | 3.31 | 2.67 |
| 22 | 2.93 | 0.85 | 2.68 | 0.97 | 3.45 | 2.76 |
| 26 | 3.15 | 0.875 | 2.92 | 1.015 | 3.60 | 2.88 |
| 30 | 3.43 | 0.9 | 3.21 | 1.06 | 3.81 | 3.03 |
| 34 | 3.75 | 0.93 | 3.53 | 1.09 | 4.03 | 3.24 |
| 38 | 4.1 | 0.962 | 3.9 | 1.112 |
4.26 | 3.51 |
| 43 | 4.49 | 0.997 | 4.29 | 1.117 | 4.50 | 3.84 |
| Re: QH: Heating capacity (kW), NH: Heating power input (kW) | ||||||

Note: Should be installed by a qualified fitter
ESP Ecocent Success
Another success for ESP and its unique Ecocent domestic hot water system!
This 12 house development in Winchester managed to reach the desired Code for Sustainable Homes rating (carried out by NHBC) target because the Ecocent provided a major boost for the green credentials of the development.
This is just another reason why the Ecocent is a must for any new development. Please feel free to call us for further details.



Domestic Hot Water Systems - Ecocent