{"product_id":"tornado-stpivlh-heated-positive-input-ventilation-piv-system","title":"Tornado STPIVLH Heated Positive Input Ventilation PIV System","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe Tornado STPIVLH Positive Input Ventilation Unit is designed to create a fresher, healthier home by delivering a continuous supply of filtered air from your loft space into the property.\u003cbr\u003eAir is gently introduced through a ceiling-mounted diffuser, typically installed in a hallway or landing, helping to improve indoor air quality while tackling persistent condensation and mould issues.\u003c\/p\u003e\u003cp\u003eTo maintain comfort throughout the year, the unit features an intelligent temperature control system. When loft temperatures fall below 10°C, an internal heating element activates to gently warm the incoming air. As temperatures rise above 10°C, the heater automatically switches off. For added flexibility, an optional Heater Enable Switch is available, allowing you to manually enable or disable the automatic heater function.\u003c\/p\u003e\u003cp\u003eThe unit also responds to seasonal temperature changes. Between 19°C and 25°C, airflow is increased by 10% to optimise ventilation performance. During very warm conditions above 25°C, the system will temporarily pause to prevent hot loft air being introduced into the home.\u003c\/p\u003e\u003cp\u003eThe STPIVLH comes complete with a 200mm ceiling diffuser and all components required for a straightforward installation in the loft above a hallway or landing area.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eContinuous supply of fresh, filtered air to improve indoor air quality\u003c\/li\u003e\n\u003cli\u003eSuitable for 1  5 bedroom houses\u003c\/li\u003e\n\u003cli\u003eFour speed settings for all ventilation needs\u003c\/li\u003e\n\u003cli\u003eEffectively combats condensation and mould growth\u003c\/li\u003e\n\u003cli\u003eLoft Unit Whole House Ventilation\u003c\/li\u003e\n\u003cli\u003eEliminates Condensation \u0026amp; Prevents Mould\u003c\/li\u003e\n\u003cli\u003eSupplied with everything you need to install including ducting and stylish white square diffuser\u003c\/li\u003e\n\u003cli\u003eBuilt-in Heater - Auto-boost airflow by 10% between 19°C25°C\u003c\/li\u003e\n\u003cli\u003eSummer Bypass - Temperature protection shuts unit off above 25°C to prevent overheating indoors\u003c\/li\u003e\n\u003cli\u003eQuiet Operation\u003c\/li\u003e\n\u003cli\u003eLow Running Costs\u003c\/li\u003e\n\u003cli\u003eDimensions - 400 × 450 × 380mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tornado","offers":[{"title":"Default Title","offer_id":58037870133512,"sku":"TOR STPIVLH","price":241.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/2362\/0872\/files\/tornado-stpivlh-heated-positive-input-ventilation-piv-system-7702-p.jpg?v=1784050358","url":"https:\/\/www.extractorfanworld.co.uk\/products\/tornado-stpivlh-heated-positive-input-ventilation-piv-system","provider":"Extractor Fan World","version":"1.0","type":"link"}