Greenwood | Low Energy Bathroom Fan, Heat Recovery System, Whole House Ventilation


Positive pressure unit
The PP1LOFTEP/H models are positive pressure units designed to provide whole house ventilation and eliminate mould and condensation. The PP1LOFTEP is an energy plus model which utilises free solar gain from the loft area to boost airflow. The PP1LOFTH has an integral heater to ensure comfort all year round.
Features & Benefits
Models & Control Options
Download Documents
Features and Benefits


The PP1LOFTEP/H is a discreet ventilation unit designed to be installed out of sight in the loft – no nuisance running noise in the home.


  • Low running costs for occupants – as low as 0.16 W/l/s performance


  • Ideal for properties that suffer consistent problems with mould and condensation in relation to Environmental Protection Act 1990 (section 82)


  • Utilises free solar energy generated from natural solar gain in the loft – once activated the airflow is boosted helping reduce draughts and temper ventilation air effectively


  • Energy Plus model (PP1LOFTEP) offers SMARTer use of solar energy by boosting airflow whenever the loft temperature exceeds that of the dwelling


  • Integral Heater model (PP1LOFTH) ensures all round comfort, especially beneficial in the coldest months, by further pre-heating the fresh filtered air entering the property


  • Grade GU4 filter s ensure fresh filtered air and provision of good indoor air quality – largest filter surface area offers a five year replacement cycle


  • Simple to install and very low ongoing maintenance


  • Centrally mounted ceiling diffuser for discreet installed aesthetics


  • Five programmable temperatures and six air volume controls for complete flexibility


  • Can be used for Radon Control where required in the UK
CE MARKED5 Year Gaurentee

Models & Control Options


Physical Specification

Quick Quote

Take a few moments to try out our quote form

Copy Specs

Click here to copy this product's specification


Click here to register for our latest promotions


Facebook Twitter Pinterest Google Plus Linked In

Zehnder Group