{"product_id":"envirovent-evl-h-loftvent-mk2-whole-house-piv-unit-with-heating","title":"Envirovent EVL-H LoftVent MK2 Whole House PIV Unit, with Heating","description":"\u003ch4\u003e\u003cstrong\u003eEnviroVent EVL-H LoftVent MK2 Whole House PIV Ventilation Unit with Integral Heater\u003c\/strong\u003e\u003c\/h4\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe EnviroVent EVL-H LoftVent MK2 is an energy-efficient, loft-mounted Positive Input Ventilation (PIV) system designed to improve indoor air quality, control condensation and help prevent damp and mould in homes with a loft space. Featuring an integral intelligent comfort heater, this whole house ventilation unit delivers a continuous supply of fresh, filtered air while helping to maintain a comfortable indoor environment.\u003c\/p\u003e\n\n\u003cp\u003eIdeal for houses and bungalows, the LoftVent MK2 introduces filtered air through a centrally positioned ceiling diffuser, typically installed on a landing or in a hallway. This gentle airflow dilutes and displaces stale, moisture-laden air, helping to reduce condensation on windows and walls while creating a fresher, healthier living environment.\u003c\/p\u003e\n\n\u003cp\u003ePowered by an ultra-low-wattage brushless DC motor, the EVL-H combines quiet operation with low energy consumption. Its intelligent comfort heater automatically tempers incoming air during colder conditions, while the integrated hours run meter allows operating time to be monitored.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhole House PIV Ventilation:\u003c\/strong\u003e Provides continuous filtered airflow to improve indoor air quality throughout the property.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegral Intelligent Comfort Heater:\u003c\/strong\u003e Helps temper incoming air during colder weather for improved comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondensation Control:\u003c\/strong\u003e Reduces excess indoor moisture and helps minimise condensation on windows, walls and other surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMould Prevention:\u003c\/strong\u003e Helps create conditions less favourable to damp and mould growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low-Wattage DC Motor:\u003c\/strong\u003e Energy-efficient brushless motor technology designed for reliable, long-term operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet Performance:\u003c\/strong\u003e Designed to provide effective whole house ventilation with minimal noise disturbance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Life Filters:\u003c\/strong\u003e High-quality filtration helps remove airborne particles from the incoming air supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Hours Run Meter:\u003c\/strong\u003e Enables monitoring of the unit's operating time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Heater Control:\u003c\/strong\u003e Temperature-sensitive operation adjusts heater output according to incoming air conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent Heater Switch:\u003c\/strong\u003e Allows the comfort heater to be enabled or disabled separately from the ventilation fan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeater Safety Protection:\u003c\/strong\u003e Incorporates independent safety cut-out devices for additional protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoft-Mounted Installation:\u003c\/strong\u003e Suitable for properties with accessible loft spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Year Warranty:\u003c\/strong\u003e Manufacturer warranty for additional peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eEnergy-Saving Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Running Costs:\u003c\/strong\u003e The efficient brushless DC motor minimises electricity consumption during continuous operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar Gain Utilisation:\u003c\/strong\u003e Makes use of naturally warmed air within the loft space when conditions allow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Heat Distribution:\u003c\/strong\u003e Helps circulate air throughout the property and distribute warmth more evenly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Need for Window Ventilation:\u003c\/strong\u003e Provides a continuous supply of filtered air without relying solely on opening windows during colder months.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntelligent Air Tempering:\u003c\/strong\u003e The integrated heater operates when required to help maintain comfortable supply air temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Term Efficiency:\u003c\/strong\u003e Durable motor technology and long-life filters support dependable operation and manageable maintenance costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCondensation Control \u0026amp; Indoor Air Quality\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eModern homes with double glazing, insulation and effective draught-proofing can experience reduced natural ventilation. Without sufficient airflow, moisture from everyday activities such as cooking, showering and drying clothes can accumulate indoors, contributing to condensation, musty odours and mould growth.\u003c\/p\u003e\n\n\u003cp\u003eThe EnviroVent LoftVent MK2 EVL-H helps address these problems by continuously introducing filtered air into the living space. This positive air pressure encourages stale, humid air to escape through existing ventilation routes, helping maintain a more balanced indoor environment.\u003c\/p\u003e\n\n\u003cp\u003eBy reducing excess humidity and supporting better ventilation, the system can help limit conditions that encourage mould growth and improve overall indoor air freshness.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIntegral Intelligent Comfort Heater\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe EVL-H model includes a built-in intelligent comfort heater designed to temper the incoming air supply during periods of low external temperatures. An integrated temperature sensor monitors the supply air and automatically regulates heater operation to maintain preset minimum temperature levels.\u003c\/p\u003e\n\n\u003cp\u003eThe heater features two independent safety cut-out devices and can be switched on or off separately from the fan, allowing ventilation to continue when additional air tempering is not required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e EnviroVent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Range:\u003c\/strong\u003e LoftVent MK2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Code:\u003c\/strong\u003e EVL-H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVentilation Type:\u003c\/strong\u003e Positive Input Ventilation (PIV)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Type:\u003c\/strong\u003e Loft Mounted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Whole House Ventilation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Technology:\u003c\/strong\u003e Ultra-Low-Wattage Brushless DC Motor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort Heater:\u003c\/strong\u003e Integral Intelligent Heater\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiltration:\u003c\/strong\u003e Long-Life Air Filters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHours Run Meter:\u003c\/strong\u003e Integrated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeater Control:\u003c\/strong\u003e Automatic Temperature Control with Independent Enable\/Disable Switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSuitable Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHouses and bungalows with accessible loft spaces\u003c\/li\u003e\n\u003cli\u003eProperties experiencing persistent window condensation\u003c\/li\u003e\n\u003cli\u003eHomes affected by excess humidity, damp or mould\u003c\/li\u003e\n\u003cli\u003eEnergy-efficient residential ventilation upgrades\u003c\/li\u003e\n\u003cli\u003eProperties requiring continuous whole house ventilation\u003c\/li\u003e\n\u003cli\u003eRetrofit and refurbishment projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eData Sheet:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.envirovent.com\/media\/blidcau5\/env1129_distribution-piv-loft-technical-data-sheet_v7.pdf\" title=\"EnviroVent EVL-H LoftVent MK2 Technical Data Sheet\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload EVL-H Technical Data Sheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstruction Manual:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.envirovent.com\/media\/tofjgldg\/env1128-disribution-piv_install-guide_v7.pdf\" title=\"EnviroVent EVL-H LoftVent MK2 Installation Instructions\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload EVL-H Installation Manual\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Brochure:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.envirovent.com\/media\/unibwpoa\/env1127-loftvent-mk2-brochure-v7.pdf\" title=\"EnviroVent LoftVent MK2 Product Brochure\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload LoftVent MK2 Product Brochure\u003c\/a\u003e\u003c\/p\u003e","brand":"Envirovent","offers":[{"title":"Default Title","offer_id":59002372424061,"sku":"EVL-H","price":318.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/1693\/9618\/files\/black_loftmountedunit_new_noshadow_1_121e9a52-60dd-4a36-b3d8-a2c495b9bc76.jpg?v=1793252091","url":"https:\/\/b2belectrical.com\/products\/envirovent-evl-h-loftvent-mk2-whole-house-piv-unit-with-heating","provider":"B2Belectrical.com","version":"1.0","type":"link"}