HRV1 Q Plus, Hawkhurst, Kent

Development:  Residential

Site:  Hawkhurst, Kent

Builder / Developer:  Denne Construction for Town & Country Housing Group

Designed by: Cowan Architects

Specialist constultancy and energy assessment:  calfordseaden

Code for Sustainable Homes Level:  Five

Completion Date:  August 2010

Titon Products Used:

Titon’s HRV1 Q Plus ultra-efficient whole house ventilation system is at the heart of a new low carbon home in Hawkhurst, Kent. Built with the latest green technologies the house, which achieves Level 5 under the Code for Sustainable Homes, is expected to slash energy bills by as much as 75%.

Town & Country Housing Group, which owns more than 8,000 affordable homes in the South East, is using the two-bedroom house to trial new building techniques and low carbon technologies. Designed to be in keeping with the existing homes in the area, the low carbon home will give an important insight into future construction methods.

The new house incorporates a variety of innovative and energy saving features including solar collectors to provide electricity and hot water as well as high levels of insulation and triple glazed windows, low energy light fittings and a rainwater harvesting system. A ground source heat pump provides heating and additional hot water.

The home’s ventilation is provided by Titon’s HRV1 Q Plus which is designed and manufactured in the UK and is one of the most efficient whole house ventilation (with heat recovery) units of its size in the UK. It has been independently tested by the Building Research Establishment (BRE) and is Energy Saving Trust (EST) Best Practice compliant. With a discreet but revolutionary design, the unit offers a performance that until now has only been available from larger and more costly products.

Measuring just 600mm x 430mm x 285mm the unit’s size belies its performance – the HRV1 Q Plus is suitable for properties with a kitchen and up to five additional wet rooms, but is predominantly aimed at applications such as apartment developments where space is at a premium. The combination of very low power consumption and a highly efficient heat exchanger (up to 91%) is specifically designed and manufactured to enhance standard assessment procedure (SAP) performance via Appendix Q of Part L.

Town & Country’s acting development director Colin Lissenden said: “As a responsible landlord, we have built this house as a demonstration of renewable energy technologies which will help to reduce the impact of the fuel price rises that would affect people on lower incomes significantly in the future.”

Akin Durowoju, Head of area at the Homes and Communities Agency which gave a grant of £100,000 towards the project said: “Town & Country Housing Group have developed an outstanding scheme, demonstrating what can be achieved in designing and building low carbon sustainable homes.”

The house was designed by Cowan Architects, and built by Denne Construction with specialist consultancy and energy assessment from calfordseaden.

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