HSI supply and install Heat Recovery Ventilation Systems. It provides an ideal ventilation solution. They are highly energy efficient and reliable and score an A on the energy rating index. A Heat recovery ventilation system (MVHR takes contaminated stale air and continuously replaces it with warmed, fresh, filtered air.

This provides relief for allergy sufferers, as it removes pollen from the air and improves air quality for those troubled by asthma. Reports also suggest improved cognitive functions and concentration! HSI install a highly efficient heat exchanger which is used to recover between 85% and 98% of the stale air’s heat and transfers it to the incoming air to warm it up. The actual air is not mixed within the unit. The units we install will lower your carbon footprint by saving energy, lower your bills, control condensation (saving you on redecoration) and controls cooking smells.

​We can adapt this system to incorporate a cooker hood taking stale hot air from the kitchen and turning it into warm fresh air pumped back into your house. Depending on budget, filters can also be machine washable! Other benefits include no draughts from open windows. HSI being building warrant certified ensure these fixtures comply with building regulations.