The Challenge Thermal Efficiency & Ventilation Air Vents (air bricks) Opened = 10-15% heat loss Blocked = condensation Damp problem: 15.9% UK’s home £3k cost to repair damp damage Low-cost measures: saturated market Deep retrofit products: stagnant market

IMPROVE THERMAL COMFORT ENSURE GOOD AIR QUALITY The Solution Airex – Smart Ventilation Control Temperature Its smart algorithms automatically regulate the air flow Humidity Air-quality REDUCE ENERGY BILLS IMPROVE THERMAL COMFORT ENSURE GOOD AIR QUALITY

Product benefits Airex – Interactive Dashboard High speed yet low power wireless communication No need to connect to the mains  long lasting battery power Quick, non-disruptive installation Interactive dashboard for Facility Management Teams, Landlords  enabling preventative maintenance (e.g. flagging up indicators of mould)

Independent academic validation First validation - University of Sheffield (2017) 5x pilot homes installed 40-50% U-value improvement of ground floor 10-20% airtightness improvement 2 degC thermal comfort improvement Second validation – University of Salford (2018) Salford Energy House simulation chamber 14% U-value improvement of ground floor 12% airtightness improvement 10-15% Heat demand reduction 2- 4 yrs Payback

Comparison with alternative solutions

Business model – 3 revenue streams ECO (Energy Company Obligation - Utilities) 2018-2022: £600m/yr is spent by energy companies 20% of this is spent on innovation; via demonstration pilots, paid by utilities Social Landlords Able-to-pay “PULL” Paid trials (25x Landlords in the sales pipeline, owning 50,000 properties each) Install price + subscription fee Online purchase through installer partner’s website (1,000 calls / month) c. 30% higher price point Low CAPEX/CO2 ECO certified Maintenance cost reduction Damp mitigation / health impact Thermal comfort Health impact Energy saving VALUE PROPOSITION

Value proposition for ECO – £/CO2

Partners Research partners Supplier partners Distributor partners Utilities (ECO) Government bodies Social Landlords

Projections Financial Forecasts 2018 2019 2020

Milestones completed up to date June 2016 Concept developed within Survey Company May 2017 Independent validation (5x field trials) Nov 2017 £100k equity Investment Feb 2018 Pilot trials with ESC & Salford Uni June 2018 Commercial trials agreed (big 6 utilities) May 2018 Certification partners secured First prototypes Nov 2016 Sep 2017 £180k R&D grant Dec 2017 Cleantech Startup of the Year April 2018 £75k equity investment June 2018 Outsourced manufacturing contract signed; production batch delivered

Further milestones to achieve Feb 2020 2000+ homes installed, paid by customer Feb 2019 ECO certification (1st phase completed) July 2019 Production unit cost reduced from £45 > £35 Oct Nov 2018 Production unit cost reduced from £70 > £45 March 2019 50x homes installed, paid by customer Dec 2019 Full ECO certification achieved; SAP certification in progress Seed round (first tranche £150k) Seed round (second tranche £350k) Series A (£1.5M) Deliver winter paid trials, drive unit cost reduction and achieve 1st phase ECO certification Seed round (2nd tranche - 350k) to enable further unit cost reduction, secure certification and grow sales

TECHNICAL ADVISORY BOARD The Team TECHNICAL ADVISORY BOARD