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The Ecocent MEV System Simply Explained
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The Ecocent MEV-EAHP Hot Water and Ventilation System is a unique product that has been tested and approved by the Building Research Establishment for inclusion in the Government Approved SAP Software (PCDB Listing) which is the mandatory system used to calculate property SAP Ratings and Energy Performance Certificates (EPCS) In recent years, developers have often resorted to installing PV and Solar Hot Water Panels to achieve compliant SAP ratings on new build properties, the ECOCENT MEV-EAHP can help achieve a compliant SAP RATING without the need for either of these systems, which often upset the cosmetics of the property exterior and which rely on a suitable property orientation. The use of an Ecocent MEV-EAHP Hot Water and Ventilation System will help new build properties achieve compliance of both Part Land F of the Building Regulations, but its use is not limited to new build properties, it is a system that can easily be incorporated in most properties new or old and can dramatically improve energy efficiency and the living environment.
Complete Range of Heat Recovery Systems
Multi-award winning Ecocent system recovers heat from used air and provides hot water at 60°C.
You can now heat your property efficiently with an Earth Save Products underfloor heating system.
Our range of Air Source Heat Pumps deliver low cost heating solutions and reduced energy bills.
Air ventilation normally leads to loss of heat in a property. Our MVHR system recovers heat in your property.
Unit 6 & 7 Henderson House Hithercroft Road Oxfordshire OX10 9DG
01865 598 158
EarthSave Products can now supply the popular range of Heliotherm Ground Source Heat Pumps (GSHP).
Telford Copper & Stainless Cylinders is a family run business which began trading in 1989 from the premises it still occupies today. From the beginning, they set out to manufacture a broad range of copper cylinders. Their copper division has developed from manufacturing traditional vented cylinders to now include commercial calorifiers and advanced thermal store units.
In 2002, they began production of a full range of unvented, stainless steel cylinders. Their flagship Tempest and Tornado range of cylinders are manufactured to the highest standards, using Duplex 2304 Stainless Steel and come with a lifetime guarantee on these cylinders. Whilst other manufacturers offer cylinders with a lighter type of steel, Telford have refused to follow this trend as their focus has been to never compromise the quality and reputation of their brand. The traditional vented cylinder has recently undergone a major change. The building regulations (Part L in England and Wales, Part J in Scotland) have been altered to ensure that domestic hot water system design is more energy efficient than in the past. This was linked to a revision to the British standards covering indirect and direct copper cylinders. The standards now call for thicker material to resist corrosion better and larger coils to take advantage of higher efficiency condensing boilers now available.
We have been selected as the UK’s Best Renewable Energy Product Designer 2018 in the annual LUX Awards. We are also a finalist in the category Best Heating Product (HIUS, Heat Pumps and Heat Recovery) in this year’s H&V News Awards 2018.
Offsite building provider installs new eco-building at premium holiday resort in Kent, utilizing the ESP Ecocent MEV.
Oxfordshire based Green Unit installs their ARC™ eco-building at environmentally-conscious, self-catering holiday resort, Great Field Farm near Canterbury. The premium eco-building, known as the Green Unit ARC™, was manufactured offsite in modular sections and delivered to the Great Field Farm site virtually complete.
The building’s unique curved design mimics the natural environment, and the use of sustainable materials creates a calm and relaxing getaway for holiday goers in the heart of the Kent Downs. It's positioned on a prime spot overlooking green vistas; well placed to benefit from stunning sunsets and the night’s sky.
The 90 sqm building is equipped with environmentally-friendly features such as a green roof, a heat exchange system, infra-red underfloor heating, and smart sensors to regulate pollen, CO₂ levels, ventilation, heating and lighting. The Ecocent Ambient MEV which is installed in the ARC™ is a combined heat pump and unvented water cylinder. This heat pump can draw air internally or externally and is equipped with the latest EC fan motor. The tank is constructed from Duplex SS-2205. ESP Ecocent units are industry leading, innovative hot water supply systems which use a built-in Air Source Heat Pump to scavenge waste heat and make domestic hot water production highly efficient offering a saving of up 70%.
The building’s three bedrooms comfortably sleep six people, and it boasts a westerly facing glazed end where guests can enjoy stunning sunsets within the state-of-the-art kitchen and a beautiful living space.
Mr and Mrs Castle, the owner-managers of Great Field Farm, are looking forward to welcoming guests into their ARC™ - fondly named the Bumble Barn - at the end of May. The new accommodation offers Mr and Mrs Castle a unique opportunity to expand their environmentally-conscious business, allowing the couple to cater to the demand for larger families and groups.
Lewana Castle said that she and her husband “just fell in love with the concept and design of the ARC™ as soon as they saw it.”
“We chose the Green Unit ARC as we liked the idea that it can be built under cover in the winter, is delivered practically complete, and that disruption on our site is minimal, so not affecting our other holiday guests."
"We pride our business on offering guests the space and freedom of the outdoors, but with the warmth and comfort of a house. The new ARC building offers exactly that. Our guests will love the new experience of living in the round of the curved building, and I think they’ll be interested in the ARC’s sustainable features and clever technology. We’re looking forward to welcoming guests into our new ARC accommodation, and we’re sure that it’s an excellent investment for our business."
Jonathan Finnerty, Managing Director of Green Unit, said “the Great Field Farm project marks an important milestone for Green Unit as we deliver the ARC into what we expect to be the first of many businesses within the UK tourism sector.”
Earth Save Products can now supply Microflex Pre-insulated Pipes – The Perfect Solution for your energy distribution system – Ideal for a variety of hydronic, heating, cooling, sanitary and potable water applications.
New installation of Ecocent Air and Ecocent Ambient units to provide hot water, underfloor heating and mechanical ventilation in a new build in Malvern, Worcestershire..
We’re pleased to announce that UK sales of the Heliotherm range of air source & ground source heat pumps has exceeded all expectations. Not that we were in any doubt that once we demonstrated the capabilities of these high quality units to deliver maximum performance with minimal effort for renewable cost effective energy that there wouldn’t be a huge demand. The uptake has been impressive, from self-builders and developers alike, with interest shown from one local authority whose environment officer visited our showroom to check out the noise level.
“OK. You can switch it on now…” she said. I think the appropriate phrase to describe her reaction when we told her it was already on is ‘gobsmacked’.
A leading air source heat pump manufacturer is currently ‘shouting’ about their ultra-quiet 8.5 kW unit with a quoted sound output of 58db(A). Our Heliotherm 8kW has an even lower output at 29.4db(A).
By allowing digital information to be distributed but not copied, blockchain technology created the backbone of a new type of internet. Originally devised for the digital currency, Bitcoin, the tech community is now finding other potential uses for the technology.
Bitcoin has been called “digital gold,” and for a good reason. To date, the total value of the currency is close to $9 billion US. And blockchains can make other types of digital value. Like the internet (or your car), you don’t need to know how the blockchain works to use it.
Relational databases are today’s gold standard. They depend on a few trusted entities to store and update entries in tables—and to control the data’s security. Blockchain technology changes the way data is managed. Blockchains are replicated across a peer-to-peer network, making their data hard to corrupt. They don’t rely on trusted entities. Instead, strangers work together to store, curate, and secure a growing data set.
Public blockchains typically work well because the miners, who add new data to the blockchain, are paid (for example Bitcoin and Ethereum). Public blockchains are excellent if you want to avoid censorship and provide universal access. However, they are slower and less private than databases. The costs to import data are unpredictable. So is the software, because no one entity updates it.
ESP directors Nick Hale and Dave Clarke recently spent a day on Guernsey looking at three projects using Heliotherm 80kW air source heat pump, MVHR, UFH and swimming pool heat pump. All installations are being carried out by AFG Guernsey.
Earth Save Products can now supply the BetterAir Enviro-Biotics™ line of probiotics that improves air quality and prolongs the cleanliness of hard surfaces. Enviro-Biotics create an indoor microbial balance, combating Sick Building Syndrome by replenishing the necessary load of beneficial bacteria. These BetterAir Probiotic Purifiers offer an automatic solution for a range of public and private spaces—from 200 square feet to up to 45,000 square feet—including households, offices, gyms, spas, health care facilities, hotels, schools and transportation.
Earth Save Products will be providing our ESP Heliotherm Sensor Comfort Compact (8kW at -7°) underfloor heating system along with our 300 ltr Ecocent built into an MHVR system. The house will also have a 4kW PV array installed and will utilise a Tesla PV Power Storage battery.
Earth Save Products have provided our ESP Heliotherm Sensor Comfort Compact (8kW at -7°) underfloor heating system along with our 300 ltr Ecocent built into an MHVR system. The house has a 4kW PV array installed which will utilize a Tesla PV Power Storage battery. The underfloor heating installation is completed and the MVHR pipework is underway.
SAP Input Instructions for entering hot water from an Ecocent Cylinder and MEV
Because of the number of enquiries we get about using the Ecocent as an MEV system in SAP software, we have devised this guide using the PCDB database numbers and highlight the various sections into which they must be entered: (Elmhurst ref)
PCDB Database numbers:
Section 19 (MEV) – Specify MEV – Centralised, MV reference number as above serving the relevant number of wet rooms.
Section 25 (Main Heating 2) – Specify reference as above (190001 etc as appropriate).
Section 28 (Water Heating) – Specify from Main Heating 2
This should allow the correct entry of the Ecocent as an MEV/EAHP System.
SAP Technical Note from BRE: Exhaust Air Source Heat Pumps producing hot water only
Earth Save Products are pleased to announce that GreenUnit Modular Eco Buildings are using the Ecocent #MEV System integrated into a Loxone total house management system. http://bit.ly/2X9PZCJ
The Tigh Grian development was completed in August 2017. These social homes were designed and manufactured off site using a new method of construction said to speed up the whole build process by 25%. The homes conform to The Scottish Building Standards Sustainability Gold Level; the package that ESP delivered could not be equalled by any other supplier. They all have an Ecocent Hot Water System installed.
This new housing development for Link Group Ltd and Paragon Housing Association at Queen Street, Alva has now been officially opened by the Minister for Local Government and Housing, Kevin Stewart. The £5.3 million construction of 48 homes for social rent began in February 2016, and was supported by a grant of £3,076,916 from the Scottish Government’s Greener Homes Initiative scheme.
The Ecocent isn’t just a combination of a mains pressure hot water cylinder and MEV fan; it’s the only unit of its type which is in the SAP data base. The Ecocent also has a built in Micro High Temp Air Source Heat Pump combined with a built in MEV ventilation Fan System which means that whenever the unit is in hot water production mode, the waste heat/air which would normally be lost to the outside via the MEV part of the system has the heat/energy extracted from it, up-scaled in temperature and recovered into the hot water via the built-in ASHP.
This means the Ecocent, depending on air flow rates, can potentially achieve an efficiency of up to 400%.
The Earth Save Products Team recently completed a new installation of a Mitsubishi Q-ton CO2 R744 heat pump for a glamping site in Rutland. This will produce all of the direct hot water (DHW) for the site saving them thousands of pounds per annum.
Earth Save Products will be providing our ESP Heliotherm Sensor Comfort Compact (8kW at -7°) underfloor heating system along with our 300 ltr Ecocent built into an MHVR system. The house now has a 4kW PV array installed which will utilise a Tesla PV Power Storage battery. The underfloor heating piping we supplied is now being fitted.