Verticle Closed Loop System

RHI Energies has the in-house capability to design and engineer a complete turnkey package from the design of the bore field, using the latest design software package, through to the supply and installation of the complete bore field pipework including the heat pumps. Upon completion of the installation RHI Energies then flushes and commissions the system ready for operation.

Starting with the initial client consultations and feasibility reviews RHI Energies models a geothermal system based on the parameters available for site specific needs.

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RHI Energies offers

Non fee early evaluations by project providing key information such as geological information, bore field sizes and costs of vertical systems to its clients
Assistance with C02 and energy assessment for planning
Thermal conductivity testing to evaluate ground conditions prior to finalising the overall system design
Confirmation of specification of system requirements and fully detailed modelled designs
Drilling of the vertical bore holes and installation of the geothermal looping
Installation of all external geothermal pipe work so as to connect the bore field to the internal systems
Supply and installation of the ground source heat pump hydraulic circuit including valved header arrangements, heat pumps, geo circulation pumps, pressurisation sets, dosing systems, expansion vessels etc
Final testing and flushing of the complete geothermal circuit
Filling, dosing and verifying the % of glycol within the system
Final commissioning of the system for client use
Dedicated installed IOMs
Training of the client and its representatives in the operation of the system and equipment

Key Benefits

Suitable for residential, commercial and retail applications
Design for building loads anywhere from 10kw to 5000kw
Highest possible energy efficiency
Highly flexible system solution due to the modular design
Suitable for projects in the UK and abroad
Extremely low maintenance
Efficiency of system can be guaranteed all year round as the temperature underground is constant compared to air cooled systems that have variable ambient temperatures
Low payback periods in life cycle
No fumes, no flues, no fuel stores
No building structural requirements (or structural costs) to support geothermal systems as these are all installed below ground and there is no requirement for large internal plant spaces or roof plant areas
System has no visible or noise impact as it is installed below ground. There are no line of sight or acoustic screens and planning is simplified
50 years lifecycle on bore field pipework
Systems qualify for the Renewable Heat Incentive
Closed loop systems do not have the Environmental Agency regulatory controls that open loop systems do. Therefore the closed loop systems are generally faster in both design and installation

System Options

Simultaneous heating and cooling heat pumps
Water to direct expansion (VRF) solutions
Heat recovery heat pumps
Passive and active free cooling options
Single or double closed loop systems
Loop depths to 200 meters so as to limit footprint of bore field
60 degree C domestic hot water supply
Solar water pre heat for ground loop optimisation.
Hybrid systems optimising dry coolers
Integrated ice storage cooling capabilities to reduce peak loads