September – Update

More than just a specialist distributor of Ground and Air Source heating products Go Geothermal through their partners can also offer other services.

One such service is in the field of design:

We can assist at the early stages of projects producing designs and calculations to ensure that the material selection is fit for purpose.  This service can involve turnkey and bespoke solutions to you the installer ranging from domestic through to large commercial installations.

Attention All Drillers!!

“Buy British”  

Where ever possible Go Geothermal source manufactured product from the UK.  Our Geothermal Grout offering is not only purchased in the UK but ALL the raw materials to produce the finished product are sourced in Britain.

Loop Feeder

Hydraulic loop feeder to assist with the safe and controlled installation of 40mm borehole probes (32mm made to order).  Comes with the following benefits over traditional hand pushing installation techniques:
 

• Allows the safe installation without staff standing on the drilling rig or other platforms on site (working at height).

• Saves labour by reducing the need for additional staff at the time of loop installation.

• Allows additional controlled pressure to be applied to probes when inserting into boreholes with a drilling fluid.

• Variable speed allows controlled insertion of probes where the weight of the probe wants to fall into an open borehole reducing probe tip damage.

• Can assist with the removal of a probe where the borehole collapsed at depth and the borehole will require re-drilling.  This protects the operative from strain.

• Can also install and remove grout lines when using a liquid grout to backfill boreholes.

• Compatible with most geothermal drilling rigs.

• Designed for drillers by drillers.

• Saves money.

• Fully adjustable.

• Hard wearing.

• More efficient than traditional hand pushing installation technique.

Filling Pump Stations

To complement our product offering we now have available from stock purpose built filling pump stations for GSHP.
Application:

Filling, flushing and venting large scale solar collectors, ground collectors, probes and Underfloor heating systems.

Features:

• Dry self-priming impeller pump, working pressure max. 5 bar

• 120 litre tank

• 90 L/min

• 2 x 3m supply and return hose 1“

• Sturdy cart with pneumatic tyres

• 2 multifunction valves

• Pressure relief valve

May Update

The importance of Sanitiser & Biocide

In adopting “best practice” it is clear that many still do not see the importance in cleaning & sanitising the “Collector & Header Pipes” prior to filling and commissioning the system with the Heat Transfer Fluid.

To re-emphasise the point our key UK Based specialist fluid supplier “Sentinel” have issued the following example which clearly illustrates the potential pitfalls in not adopting “best practice”

When contacting Go Geothermal insist on R700 Sanitiser & Biocide!

Manifold Chamber System

To complement our already extensive Ground Source product range we now stock Circular Manifold Chamber Systems.

These come complete with isolation valves & flow meters on every flow/return port, 40mm spigot outlets for Collector Pipe and 63mm spigot outlets for the Header Pipe.

This product is becoming increasingly popular and will reduce installation time.

Simply place the Chamber in the pre-dug pit and join the Collector and Header pipes to the chamber by means of compression or electrofusion couplers.

Available from stock in 2 to 12 port configurations (Other options available on request)

Underfloor Heating

As an “Authorised Partner” of Rehau we have access to their Underfloor Heating product range which includes the popular universal “Everloc” fittings range.

We can even provide a full design service for the underfloor heating required for your building. This means for customers we can now offer a material solution for both outside and inside the building. All we need is the building plans and leave Go Geothermal to do the rest!

We also provide the Sanitiser & Heat Transfer Fluid for the UFH system.

Come and meet Go Geothermal Ltd

At the Lincolnshire Show in the “Greenhouse Marquee” Row C, 7th & 8th Avenue

 

January Update

To help reduce demand on our ever decreasing Fossil Fuels and continually looking to utilise Renewable Energy resources Go Geothermal Ltd can offer a viable and economical alternative or supplement to conventional Central Heating or Air Conditioning systems "AWADUKT".

Utilising the Earth’s near constant subterranean temperature ventilation air is simply drawn through an underground system of pipes which pre-heat the air in the winter and pre-cool the air in the summer.

These Ground-air heat exchangers offer a simple and efficient method to reducing heating and cooling loads in both domestic and commercial applications.

Awadukt

GROUND-AIR HEAT EXCHANGER SYSTEM FOR CONTROLLED VENTILATION

Ever improving insulation and air tight construction of buildings means that controlled ventilation is becoming ever more important. The ground-air heat exchanger makes a considerable contribution to this, especially when used in conjunction with a heat recovery unit.

As well as increasing the quality of life within the building, this also provides significant energy savings by using the embodied ground energy to pre-condition the incoming ventilation air.

The ground-air heat exchanger takes advantage of the fact that the temperature of the ground, 1.5 to 2m deep, remains a relative constant temperature between 7°C -12°C throughout the year.

The incoming air passes through an underground pipe system to pre-heat it in winter and to pre-cool in summer. Experience shows that a ground-air heat exchanger makes it possible to raise the temperature of air taken in by up to 9°K in winter, and to reduce it by up to 14°K.






AWADUKT Thermo Features and Benefits:

- Antimicrobial inner layer
AWADUKT Thermo pipes feature an inner layer unique amongst ground-sir heat exchanger pipes. This is achieved by a specialist process that incorporates silver particles into the inner layer of the base polymer. The result is that the fresh air inside the system is hygienic, containing virtually no germs.

- Solid Wall Polypropylene (PP) pipe
The optimised PP pipe with enhanced conductivity provides excellent heat transfer between the ground and the air, thereby ensuring a high degree of thermal efficiency.

- Radon-Proof
Radon is a natural, colourless, odourless radioactive inert gas encountered in rocks and in the ground. Radon diffuses through the ground, dissolves in water and escapes to the atmosphere at the ground surface.

- High longitudinal rigidity
The high longitudinal rigidity of AWADUKT Thermo pipes prevents sagging, so that condensation is safely discharged instead of forming puddles at the lowest points. Pipes with inadequate longitudinal rigidity are not to be recommended for ground-air heat exchangers.



- Inlet Units
Inlet units are also available, the air is passed into the ground-air heat exchanger through an air inlet tower. The air is filtered by either a course of fine filter to BS EN 779, eliminating dust and pollen.

Domestic Applications

1) Air Inlet Tower
With a range of filters (G4 or F6) for hygienic, dust and pollen free air supply.


2) AWADUKT Thermo Pipe System
- Solid walled PP pipe for optimised heat conductivity
- Antimicrobial inner layer to prevent microbial growth
- High longitudinal rigidity for reliable condensation discharge
- Radon-proof by virtue of special sealing system
- Wide range of fittings

3) Condensation discharge
This is installed towards the end of the system to remove any condensation formed during the heat transfer

4) Heat recovery unit

5) Distribution of fresh filtered air

6) Extraction of warm, stale air

7) Ring Seal


For a typical domestic application, a minimum of 40m of pipework is required. This is either with a loop around the building or by a meander pattern. The optimum pipe diameter for air flow rates of up to 300m3/h is 200mm. For air flow rates up to 450m3/h, DN250 pipe is used.

Commercial Applications

AWADUKT Thermo is also well suited to commercial applications, in particular in the health and education sectors. These buildings require a constant source of fresh, filtered air due to the high occupancy levels. Otherwise carbon dioxide build up can be a problem.

The cooling effects of the ground-air heat exchangers are of particular benefit to large buildings in summer. It is possible to achieve significant air conditioning energy savings and, in some cases, even remove the need for air-conditioning completely. A ground-air heat exchanger can in some cases supply 10% of a commercials building’s energy demand from on-site renewable sources. Pre-heating the ventilation air also provides significant cost savings on the heat recovery unit.

A large open area is normally required for commercial applications (e.g. a sports pitch is ideal). However, sometimes it may be beneficial to put the pipes under the foundations. It must be noted that this method does not allow for solar gain, which favourably increases the temperature of the ground, but still provides an effective solution and saves costs.

On commercial applications, it is usual to use a Tichelmann layout. This is a self-balancing system: whichever path the air flows, it travels the same distance, reducing the pressure losses.

Usually DN200-250 pipe is used for the heat transfer and DN 500, 800, 1000 or 1200 is used for the distribution pipe. The required air flow dictates the optimum pipe diameters.

For a downloadable copy of our brochure please click here.

December Update

To complement our “Renewable Energy” offering Go Geothermal have added the following products to our stock portfolio:-       


SOLAR

Sentinel Solar Cleanser & Heat Transfer Fluid

      
  R100 – Solar Heat Transfer Fluid

• Delivery within 24 hours
• Ready to use solutions -  no need to dilute onsite removing any contamination risks
• Non Toxic & Biodegradable
• Produced by a market leading brand
• Effective frost protection down to minus 25 Deg.C
• Chemically & thermally stable
• Best multi metal corrosion protection
• Formulated for extended fluid life
• Improved operation costs

        R200 – Solar Cleanser

• Cleans with only 20 minutes circulation
• Effective at low or room temperature
• Improves operational efficiency & reduces costs

   
Solar Flushing Unit

The easy, safe & quick way to clean solar systems

Easy to manoeuvre on pneumatic wheels, the SolarFlush unit is the quickest, most efficient way to flush, vent and fill solar collector circuits to exactly the right pressure. The large tank is easily cleaned and allows users to observe the progress of the operation.

•   -40°C to 60°C temperature resistant hose.
•   Dry self priming pump.
•   Cast iron housing.
•   Integral strainer.
•   Manual drain valve.
  
  
  

Stainless Steel Insulated Solar Hose

Designed to keep thermal leakage to an absolute minimum and assuring resistance to chemical & atmospheric agents this pipe system takes heat transfer fluid from the solar panels to the cylinder.

 
Buffer Tanks

“Improving our existing product range we have partnered with a new supplier to offer a more competitive priced product on our stocked range of Buffer Tanks”

Example: Our 210L Direct Buffer Tanks are now priced at just £345.00

Please contact us for prices on our other sizes of Buffer Tanks 

• Available from stock, delivery within 24 hours
• Our Buffer Tanks are made from the High Grade Duplex Stainless Steel LDX 2101
• Industry low standing heat loss
• Sizes from 90 Litre through to 400 Litres in Direct and Indirect Models
• 25 years warranty
• 28mm/1” Flow and Return Connections
  
  
  

October Update

At Go Geothermal we are continually striving to encourage “best practice” in the supply & installation of Ground Source products.  One of the many questions we are often asked is there a requirement for Marker Tape & Sanitizer/Biocides in Ground Source installations.   Outlined below are extracts from installation documents and manufacturers giving clear guidance advocating the use of these products.

Marker Tapes for use in Ground Source Applications

VDI4640 Document Extracts

Part 2 - Use of the shallow underground using horizontal ground heat exchangers (horizontal loops)

Part 4.2.2 – Earthworks – the use of Marker Tape

The loops can be arranged in individual trenches, in order to avoid a widespread destruction of the natural soil.  A further possibility is the widespread stripping of the underground for the loops.  To ensure that the pipes are not damaged they should be installed in a sand layer.  A warning tape must be laid approx. 30cm above the pipes.  Dependent upon the type of later surface area usage, the underground should be compacted in accordance with the general guidelines.

Adopting “best practice” the GSHPA will be issuing a document later this year detailing installation practice in which it will state that the use of Marker Tapes must be adopted in all horizontal ground loop installations.

Is £0.06 per metre worth compromising yourself and your clients...??

Go Geothermal stock both traceable and standard marker tapes

 
Sanitizer & Biocide for Heat Pump Systems

Although the life expectancy of a ground source heat pump is typically 20-25 years - without the correct water treatment the system will be liable to problems leading to costly call backs for the installer and householder.

For example, for new build applications, ground source arrays are installed during the ground work period when the foundations are laid.  These arrays are often filled with water or left while construction continues.  In these conditions, the water is stagnant and bacterial contamination or microbiological growth can quickly develop, having a negative effect on the efficiency of the system.  In the worst cases, this can lead to failure of the ground source heat pump within a few months if the bacteria contaminate the heat transfer fluid.  

Protection is vital and Sanitizers/Biocides have been developed to clean and disinfect ground arrays from the potential damaging effects of bacterial slime and other contaminants before commissioning.

In addition, many installers are unaware of the danger of not dissolving heat pump fluids properly. If the heat transfer fluid isn't sufficiently dissolved, sections of water can be left unprotected, leading to corrosion, damaged pipe work and even pump failure if these sections of water, with no frost protection, come into contact with the heat pump.

Rather than just pouring the heat transfer fluid into the water it is mixed in accordance with the manufacturer’s instructions into a mixing machine and pumped through the system at the same time as the system water.

Installers can ensure the heat transfer fluid has been fully dissolved by using a Refractometer, which can determine the concentration levels. Easy to use, the installer simply opens the illuminator plate and places a drop or two of sample water onto the prism. One the plate is closed; the installer looks through the circular eyepiece to take a visual reading of the level of frost protection within the system. This reading can then be cross-referenced with manufacturer’s recommendations to ensure the system is fully protected.

The benefits of cleaning and protecting renewable technologies are likely to be further recognised in the revisions to Part L of the Building Regulations in 2010. In the proposed changes to the regulations when it comes to heat pumps, it states 'ground loops should be cleaned with a cleaning fluid and biocide as part of the commissioning process.'  So it is advisable that installers ensure best practice sooner rather than later.

Is £0.10 per metre worth compromising yourself and your clients...??  (based on 40mm SDR11 collector pipe)

Go Geothermal stock Sanitizers, Heat Transfer Fluids, (Air & Ground Source) Test Kits & Refractometers

RC Pipe

Further to our newsletter in July where we introduced the benefits of PE100-RC pipes (Resistance to crack)   Go Geothermal can now confirm we have stock available in 40mm SDR11 PE100 x 100 metre coils.

July Update

PE100 RC Pipe (Resistance to Crack)

A fundamental and critical component of any efficient performing Ground Source Heat Pump System are the collector pipes where pipe protection and longevity are paramount.

It's widely accepted in terms of good pipe laying practice that sand should be employed both below and above the pipe to protect from sharps as even PE100 Pipe Material is vulnerable to rapid creep if point load damage occurs.

Whilst sand does offer the potential for improved thermal conductivity in poor soils it has become the default position on most installs to lay a sand bedding as traditionally pipe needed protection from the variants of “as dug material” thereby always adding that cost into the job in material and significant labour time.

Go Geothermal Limited can offer you a solution, PE100 RC.  Offering low notch sensitivity and superior resistance to point loading and slow crack growth (SCG), the RC material avoids the potential for pipe tears even when point loads caused by rocks occur.

By utilising this pipe in the correct soil conditions NO sand back fill is required!  This reduces capital outlay and significant labour time and plant on site.

Go Geothermal are pleased to offer this product as yet another step in the improvement of the technical quality of Ground Source materials.


40mm Pipe coils up to 500m in length

Just in case you're not aware, we now stock 40mm coils right the way up to 400m in length (500m are available direct from the factory).  Coils of 300m and greater are the thinner walled variety (SDR17, 2.35mm, 10 bar rated).


Heat Transfer Fluids – Solar & Air Source

The fluids utilised in your Ground or Air Source unit are critical in the efficient operation of the system here at GG we not only stock the leading manufacturers we can advise of the benefits of the different brands including which brands are recommended by the respective HP manufacturers.

Solar fluid is also a product we are able to supply as more installs are integrating the different technologies using buffer tanks. This way the installer can be sure of the high quality that they already enjoy from GG on the solar fluid as well.

Chambers

With every GSHP installation criteria can be different on site; not all houses and gardens are the same.  Likewise commercial & public installs have their different challenges.

It's why when GG looked at housing the essential manifolds which are key to any efficient GSHP install we knew one solution would not suffice.  The Pre formed sealed Manifold Chamber has many functions and lends itself to a quicker install (time on site reduced) but it is restrictive in terms of options and height adjustment  for example.

Our quick assembly chamber has been very popular for over two years but as we are always listening to feedback from the market our products adapt accordingly.  To this end we are now stocking 2 chamber sizes which can be assembled simply without all the disadvantages of traditional brick & block.

The beauty of this method is that the chambers are built up in 150mm sections so can accommodate variable heights & multiple entry points for the collectors if needed. The design is also capable of far greater loadings if required as they are already proven in the M.O.D and Highway applications.

The two sizes stocked accommodate most installs but bespoke sizes are available on request.
Please click here for more details.


SENTINEL have long been synonymous with innovation in the world of fluids and their range of energy efficient fluids is no exception.

GG stock a full range of their fluids including the Air Source R600 as recommended by leading OEM Manufacturers and we are happy to offer a sentinel engineer on any project for advice and training where required.

Pre insulated pipe is available in both PEXA and Polybutylene and can be supplied to site within 3-5 days with no minimum order charge!

Look out for more market leading solutions next month from GG the source in Ground,Water & Air Source.

April Update

New for April we now stock Rehau Everloc pipe and fittings upti 50mm ideal for any internal plumbing where the reliability of PEXA and certainty of jointing is paramount.

Go Sustain thermal transfer fluid the truly green option when it comes to fluid for your closed loop system. A derivative of Corn in the form of Bio Glycol this product now offers the choice to go fully sustainable.  Its low viscosity means it can even offer improved flow characteristics in certain applications.

15 & 22mm pre insulated PEXA pipe now available through GG designed for hot and cold water applications. It boasts a CFC free and HCFC free closed cell polyethylene insulation. It will improve the energy rating (SAP) of any building!

New Innovations from Go Geothermal

Pre insulated Pipe

Air Source Preinsulated Pipe Kits

Air-source heat pumps are often situated away from the building and the heated water must be efficiently transported back to the building.  The thermal insulation on our Air Source  is provided by a closed cell polyurethane foam which provides optimum heat insulation and even remains water-tight if outer jacket is damaged.

Your Requirements

Here are the advantages of the RAUTHERMEX ASHP Kit:
•     Flexible installation in the soil under the  frost limit level
•     Flow/Return together in a pre-insulated pipe
•     Straight length max. 25m, leaving with a 90° angle upwards of 1.2m
•     Staggered, 32mm straight lengths of 5m, 10m, 15m, 20m, 25m
•     Optional wall duct into the house
•     No cutting or insulation joint necessary, saving approx 2-4 hours on site
 
The Solution

We offer a unique system package on the market that is exactly coherent to your needs with the following advantages:
•     Unique, mounted complete package
•     All articles included for the connection between the heat pump and the heating system in your house
•     Individually tailored to the needs of the customer  

12 steps for 2010 we at Go Geothermal would like you to consider!

Genuine one stop shop for all your Geothermal needs from stock with delivery next day for orders received by 2:30pm.

Obvious choice when the need to deal with a specialist supplier and not a general merchant with a bolt on renewable business is paramount.

Great diversity of range from PEX Probes ideal for heat dumping and unrivalled resistance to temperature and notch damage of vertical and horizontal collectors to 40mm sdr17 coils up to 500m available in 48hrs typically to site!

Even offer Thermal transfer fluid which carries a 5 year guarantee on service life for ground and air source when used with our Pre treatment Steriliser.

Offer advice and experience from a truly independent perspective always striving to offer service levels far above the industry standard.

The only UK distributor of both vertical pe100 16bar probes and PEX probes.  PE probes come with a service life of >25 years, Factory Welded & Tested.  PEX probes are so superior they come with a £10,000 guarantee per borehole!

Having one supplier of all your Geothermal Needs alleviates multiple carriage charges, reduces administration costs and saves time when talking with contacts that understand your requirements first time.

Ensuring new technologies and innovations are always added to the range such as our coil dispensing trailers and Pre-Insulated PB pipe.

Rigorously searching the market to source within the UK wherever possible in line with our carbon reduction aims such as never ever using New Box packaging only recycled boxes from day one!

M aking sure we listen to our customer’s future needs we now offer Air to Air and Air to Water Heat Pumps including the latest CO2 refrigerants coping with up to minus 25deg outside air temperature.  We also offer a Pre Insulated pipe for the Biomass Market and Electrically conductive plastic pipe for blown pellet delivery.

All your tooling needs can be catered for whether you require our bespoke Electrofusion control unit complete with full data retrieval via USB and light pen, or full mechanical jointing method electric PEX tooling featuring Everloc fittings 500 Million joints plus - No Failures!

Last but most importantly we are committed to listening to our lifeblood you the customer if we are not meeting your expectations if something is missing from our range let us know either via the website or give us a call.