{"title":"dMEV Extractor Fans – Continuous Running, Low-Noise Ventilation","description":"\u003cp\u003e\u003cstrong\u003edMEV extractor fans\u003c\/strong\u003e (Decentralized Mechanical Extract Ventilation) provide continuous background ventilation at low speed with automatic boost when humidity rises or rooms are occupied, exceeding basic Part F Building Regulations requirements for superior indoor air quality management. Increasingly specified for new builds, refurbishments, and social housing projects, dMEV systems like the \u003ca href=\"\/collections\/envirovent-extractor-fans\" title=\"Envirovent Extractor Fans\"\u003eEnvirovent Quro LC dMEV range\u003c\/a\u003e and \u003ca href=\"\/collections\/vent-axia-extractor-fans\" title=\"Vent-Axia Extractor Fans\"\u003eVent-Axia Revive series\u003c\/a\u003e deliver 24\/7 air quality control that prevents condensation, mould growth, and poor indoor air quality. Whether you're an installer specifying for airtight properties, a housing association upgrading social housing stock, or an architect targeting enhanced ventilation standards, ACAS Electrical stocks the complete dMEV range at competitive trade prices with fast UK delivery.\u003c\/p\u003e\n\n\u003ch2\u003eHow dMEV Extractor Fans Work\u003c\/h2\u003e\n\n\u003cp\u003edMEV fans run continuously at low trickle speed (typically 8 litres per second for bathrooms) to provide constant background ventilation, removing stale air and moisture before it accumulates. When humidity levels rise above a preset threshold (typically 60-80% relative humidity) or when the room is occupied, the fan automatically boosts to higher extraction rates (15+ l\/s) to manage peak moisture loads from showering or bathing. This intelligent operation ensures optimal air quality while minimizing energy consumption and noise.\u003c\/p\u003e\n\n\u003cp\u003eUnlike intermittent extract fans that only operate when manually activated or triggered by humidity, dMEV systems maintain constant air circulation that prevents condensation and mould growth even when bathrooms aren't in active use. This continuous approach is particularly effective in airtight modern properties where natural ventilation through gaps and cracks is minimal.\u003c\/p\u003e\n\n\u003ch2\u003eBenefits of dMEV Continuous Extract Ventilation\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior air quality\u003c\/strong\u003e – 24\/7 background ventilation removes stale air, odours, and moisture continuously rather than intermittently\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents condensation and mould\u003c\/strong\u003e – constant air circulation eliminates moisture accumulation that causes mould growth and building fabric damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceeds Part F requirements\u003c\/strong\u003e – continuous extract at 8 l\/s with boost to 15+ l\/s surpasses basic intermittent ventilation standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy efficient\u003c\/strong\u003e – EC motor technology consumes only 2-5 watts on trickle speed, costing under £5 per year to run continuously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic operation\u003c\/strong\u003e – humidity sensors and occupancy detection eliminate reliance on occupant behaviour\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhisper-quiet trickle speed\u003c\/strong\u003e – virtually inaudible during continuous operation, ideal for noise-sensitive applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for airtight properties\u003c\/strong\u003e – essential for modern builds with minimal natural ventilation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces tenant complaints\u003c\/strong\u003e – automatic moisture management prevents condensation issues in rental properties\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003edMEV vs Intermittent Extract Fans\u003c\/h2\u003e\n\n\u003cp\u003eIntermittent extract fans (standard \u003ca href=\"\/collections\/timer-extractor-fans\" title=\"Timer Extractor Fans\"\u003etimer\u003c\/a\u003e or humidity-activated models) only operate when triggered, leaving bathrooms unventilated between uses. This allows moisture and stale air to accumulate, particularly problematic in airtight properties or where occupants forget to activate the fan. dMEV systems provide constant ventilation that maintains optimal air quality regardless of occupant behaviour, making them superior for rental properties, social housing, and high-specification new builds.\u003c\/p\u003e\n\n\u003cp\u003eWhile intermittent fans meet basic Part F compliance (15 l\/s when operating), dMEV systems exceed this standard by providing continuous extract (8 l\/s) plus boost (15+ l\/s), delivering better overall air quality and building fabric protection.\u003c\/p\u003e\n\n\u003ch2\u003eApplications for dMEV Extractor Fans\u003c\/h2\u003e\n\n\u003cp\u003edMEV systems are increasingly specified for new build properties targeting enhanced ventilation standards beyond basic Part F compliance, airtight properties with minimal natural ventilation (Passivhaus, BREEAM Excellent), social housing and housing association projects prioritizing tenant health and building fabric protection, rental properties and HMOs where automatic operation eliminates reliance on tenant behaviour, properties with chronic condensation or mould issues requiring superior moisture management, and refurbishments upgrading from inadequate intermittent ventilation to continuous extract.\u003c\/p\u003e\n\n\u003ch2\u003eLeading dMEV Systems at ACAS Electrical\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eEnvirovent Quro LC dMEV Range\u003c\/strong\u003e combines continuous background ventilation with whisper-quiet operation (19dB(A) on trickle speed), intelligent humidity sensing, and ultra-low energy consumption. The Quro LC dMEV Humidistat Timer model offers the most advanced control, combining continuous extract, humidity-activated boost, and timer backup for maximum flexibility.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVent-Axia Revive Series\u003c\/strong\u003e provides robust, reliable continuous extract with proven performance across thousands of UK installations. The Revive range is particularly popular for social housing and volume new-build projects where dependable 24\/7 operation is essential.\u003c\/p\u003e\n\n\u003ch2\u003eEnergy Efficiency and Running Costs\u003c\/h2\u003e\n\n\u003cp\u003eModern dMEV fans use EC (electronically commutated) motors that consume only 2-5 watts on trickle speed and 8-15 watts on boost. Running continuously, a dMEV fan costs approximately £3-5 per year in electricity, making the energy cost negligible compared to the benefits of superior air quality and condensation prevention. This addresses concerns about continuous operation while maintaining constant ventilation that protects tenant health and building fabric.\u003c\/p\u003e\n\n\u003ch2\u003ePart F Compliance and Building Regulations\u003c\/h2\u003e\n\n\u003cp\u003edMEV systems meet and exceed Part F Building Regulations by providing continuous extract at 8 l\/s (minimum requirement for continuous systems) with automatic boost to 15+ l\/s when required. This dual-mode operation ensures compliance while delivering superior air quality compared to intermittent extract fans. All dMEV fans at ACAS Electrical are fully Part F compliant when installed correctly according to manufacturer specifications.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation and Commissioning\u003c\/h2\u003e\n\n\u003cp\u003edMEV fans require professional installation by qualified electricians to ensure correct electrical connections, humidity sensor calibration, and commissioning of trickle and boost speeds. Installers must verify trickle speed achieves minimum 8 l\/s continuous extract and boost function activates correctly via humidity sensor or manual override. Commissioning documentation should be provided to Building Control and the building owner, including extraction rates achieved at both trickle and boost speeds.\u003c\/p\u003e\n\n\u003cp\u003eShop the complete range of dMEV extractor fans at ACAS Electrical, with models from \u003ca href=\"\/collections\/envirovent-extractor-fans\" title=\"Envirovent\"\u003eEnvirovent\u003c\/a\u003e and \u003ca href=\"\/collections\/vent-axia-extractor-fans\" title=\"Vent-Axia\"\u003eVent-Axia\u003c\/a\u003e at competitive trade prices with fast UK delivery. For technical advice on dMEV specification for your project, contact our team for expert support.\u003c\/p\u003e","products":[{"product_id":"envirovent-eco-dmev-ht-adjustable-timer-humidity-sensor","title":"Envirovent ECO DMEV+HT Extractor Fan Adjustable Timer \u0026 Humidity Sensor","description":"\u003cp\u003eThe ECO dMEV+ has been designed and developed to offer the market a constant volume, continuously running decentralised extract fan to achieve the lowest power consumption, the lowest noise and the lowest life-cycle costs. \u003c\/p\u003e\n\u003cp\u003eThe low energy fan is supplied in a 230V format with 6 adjustable trickle speed settings from 4l\/s to a maximum speed of 18\/ls. The fan shall also come supplied with four interchangeable front panel trims.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"product-background-white\"\u003e\n\u003cdiv class=\"ap-container ap-container-center p-t-25 p-b-25\"\u003e\n\u003cdiv class=\"statement\"\u003e\n\u003cdiv class=\"ap-grid ap-grid-match m-l-0\" data-ap-grid-match=\"{target:'.ap-panel'}\"\u003e\n\u003cdiv class=\"ap-width-1-1 ap-width-medium-1-1   content\"\u003e\n\u003cdiv class=\"ap-panel\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2\u003eSAP 10 \u0026amp; Building Regulation Compliant\u003c\/h2\u003e\n\u003cp\u003eSAP PCDB Listed achieving a low Specific Fan Power of 0.23 W\/l\/s and complies with local building regulations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-background-white\"\u003e\n\u003cdiv class=\"ap-container ap-container-center p-t-25 p-b-25\"\u003e\n\u003cdiv class=\"statement\"\u003e\n\u003cdiv class=\"ap-grid ap-grid-match m-l-0\" data-ap-grid-match=\"{target:'.ap-panel'}\"\u003e\n\u003cdiv class=\"ap-width-1-1 ap-width-medium-1-1   content\"\u003e\n\u003cdiv class=\"ap-panel\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2\u003eOne Fan For All Situations\u003c\/h2\u003e\n\u003cp\u003eBuilding on the principles of the hugely successful and award-winning EnviroVent Filterless Extract Fan the ECO dMEV+ is ideal for all domestic applications, WCs, bathrooms, utility rooms and kitchens. It is a 100mm constant volume, continuously running extract fan, which can be fitted in wall or ceiling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-background-white\"\u003e\n\u003cdiv class=\"ap-container ap-container-center p-t-25 p-b-25\"\u003e\n\u003cdiv class=\"statement\"\u003e\n\u003cdiv class=\"ap-grid ap-grid-match m-l-0\" data-ap-grid-match=\"{target:'.ap-panel'}\"\u003e\n\u003cdiv class=\"ap-width-1-1 ap-width-medium-1-1   content\"\u003e\n\u003cdiv class=\"ap-panel\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2\u003eECO friendly \u0026amp; Ultra Quiet\u003c\/h2\u003e\n\u003cp\u003eFitted with a DC motor mounted on silent elastic blocks, the fan delivers incredibly silent running below 20 dB(A) with exceptional performance and stylish features. Fully complying with Building Regulations and SAP PCDB Listed, the ECO dMEV+ ensures a significant contribution to maximising the reward in SAP for ventilation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-background-white\"\u003e\n\u003cdiv class=\"ap-container ap-container-center p-t-25 p-b-25\"\u003e\n\u003cdiv class=\"statement\"\u003e\n\u003cdiv class=\"ap-grid ap-grid-match m-l-0\" data-ap-grid-match=\"{target:'.ap-panel'}\"\u003e\n\u003cdiv class=\"ap-width-1-1 ap-width-medium-1-1   content\"\u003e\n\u003cdiv class=\"ap-panel\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2\u003eEasy Commissioning\u003c\/h2\u003e\n\u003cdiv class=\"page\" title=\"Page 2\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cp\u003eThe fan is easily commissioned at installation to be set at one of variable trickle speed settings ranging from 4l\/s to a maximum speed of 18\/ls, to exactly meet the airflow requirements for specific applications and ensure the lowest energy consumption down to 1 Watt.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-background-white\"\u003e\n\u003cdiv class=\"ap-container ap-container-center p-t-25 p-b-25\"\u003e\n\u003cdiv class=\"statement\"\u003e\n\u003cdiv class=\"ap-grid ap-grid-match m-l-0\" data-ap-grid-match=\"{target:'.ap-panel'}\"\u003e\n\u003cdiv class=\"ap-width-1-1 ap-width-medium-1-1   content\"\u003e\n\u003cdiv class=\"ap-panel\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2\u003e‘Sensorless’ Technology\u003c\/h2\u003e\n\u003cp\u003eThe EnviroVent ECO dMEV+ incorporates a unique “sensorless” constant volume technology. Using intelligent microprocessor controls and software, the in-duct centrifugal fan works in direct correlation with any resistance in the ductwork. When it senses any resistance it automatically adjusts itself to ensure that the commissioned airflow is delivered and maintained. This means the fan is also self-commissioning - all the installer needs to do is set the unit to the required airflow, screw it to the wall and connect it up! It will commission itself automatically and perform over and above building regulations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-background-white\"\u003e\n\u003cdiv class=\"ap-container ap-container-center p-t-25 p-b-25\"\u003e\n\u003cdiv class=\"statement\"\u003e\n\u003cdiv class=\"ap-grid ap-grid-match m-l-0\" data-ap-grid-match=\"{target:'.ap-panel'}\"\u003e\n\u003cdiv class=\"ap-width-1-1 ap-width-medium-1-1   content\"\u003e\n\u003cdiv class=\"ap-panel\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2\u003eStylish Design\u003c\/h2\u003e\n\u003cp\u003eDesigned with style in mind, the ECO dMEV+ adds a touch of elegance to the modern bathroom or kitchen without compromising on performance or quality. The fan is supplied with smart interchangeable front panel trims in four colours.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-background-white\"\u003e\n\u003cdiv class=\"ap-container ap-container-center p-t-25 p-b-25\"\u003e\n\u003cdiv class=\"statement\"\u003e\n\u003cdiv class=\"ap-grid ap-grid-match m-l-0\" data-ap-grid-match=\"{target:'.ap-panel'}\"\u003e\n\u003cdiv class=\"ap-width-1-1 ap-width-medium-1-1   content\"\u003e\n\u003cdiv class=\"ap-panel\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2\u003eLowest Life-Cycle Costs\u003c\/h2\u003e\n\u003cp\u003eThe ECO dMEV+ has been designed for ease of maintenance, achieving the lowest life-cycle costs. The motor compartment can be easily removed to be cleaned or replaced.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-background-white\"\u003e\n\u003cdiv class=\"ap-container ap-container-center p-t-25 p-b-25\"\u003e\n\u003cdiv class=\"statement\"\u003e\n\u003cdiv class=\"ap-grid ap-grid-match m-l-0\" data-ap-grid-match=\"{target:'.ap-panel'}\"\u003e\n\u003cdiv class=\"ap-width-1-1 ap-width-medium-1-1   content\"\u003e\n\u003cdiv class=\"ap-panel\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2\u003eLow Voltage Bathroom Fan\u003c\/h2\u003e\n\u003cp\u003eFor extra safety, the ECO dMEV+ is also available in a low voltage 17V version. In addition to the standard ECO dMEV+ 17V, which can be boosted by an external switch, there are two other models available the ECO dMEV+ 17V timer option and humidity sensor option with timer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-background-white\"\u003e\n\u003cdiv class=\"ap-container ap-container-center p-t-25 p-b-25\"\u003e\n\u003cdiv class=\"statement\"\u003e\n\u003cdiv class=\"ap-grid ap-grid-match m-l-0\" data-ap-grid-match=\"{target:'.ap-panel'}\"\u003e\n\u003cdiv class=\"ap-width-1-1 ap-width-medium-1-1   content\"\u003e\n\u003cdiv class=\"ap-panel\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2\u003eBi-material Injection Moulding\u003c\/h2\u003e\n\u003cp\u003eThe result of bi-material injection moulding is a high quality moulded plastic with a permanently attached rubber seal to safely house away all electrical components from any contaminants or humidity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-background-white\"\u003e\n\u003cdiv class=\"ap-container ap-container-center p-t-25 p-b-25\"\u003e\n\u003cdiv class=\"statement\"\u003e\n\u003cdiv class=\"ap-grid ap-grid-match m-l-0\" data-ap-grid-match=\"{target:'.ap-panel'}\"\u003e\n\u003cdiv class=\"ap-width-1-1 ap-width-medium-1-1   content\"\u003e\n\u003cdiv class=\"ap-panel\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003ch2\u003ePowerful Centrifugal Performance\u003c\/h2\u003e\n\u003cp\u003eMeticulous research and development has gone into the design of the ECO dMEV+ to be able to incorporate a high powered, forward curved, “sensorless” constant volume centrifugal fan into the smallest of spaces. Most small dMEV’s this size use an axial impeller. Axial fans can perform well if they encounter no resistance, however by adding any amount of pressure, they can struggle to perform and become noisy.\u003c\/p\u003e\n\u003cp\u003eAs the inlet of the ECO dMEV+ is oval and not round like other fans, this creates space for the dual inlet centrifugal motor 2 assembly, meaning we can fit a centrifugal fan inside a tiny footprint. This has never been achieved before in a dMEV making it the first fan of its size in the world to incorporate centrifugal technology. Following significant investment in the latest injection moulding machinery and tooling, EnviroVent are one of the only ventilation companies to be able to mould plastic and rubber in the same process.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!----\u003e","brand":"Envirovent","offers":[{"title":"Default Title","offer_id":50335523209376,"sku":"ECO DMEV+","price":104.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5275\/7152\/files\/eco-dmev-t-lc_2_600x600_a82092cf-d8b5-413e-a180-3e52e8e2478e.webp?v=1752677912"},{"product_id":"greenwood-cv2gip-unity-dmev-extractor-fan-humidistat-timer","title":"Greenwood CV2GIP Unity DMEV Extractor Fan Humidistat Timer","description":"\u003cdiv class=\"MW5IWV\" data-motion-part=\"BG_LAYER\" data-hook=\"bgLayers\" id=\"bgLayers_comp-lfieeck0\"\u003e\n\u003cdiv class=\"VgO9Yg\" data-motion-part=\"BG_MEDIA\" id=\"bgMedia_comp-lfieeck0\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" data-testid=\"inline-content\" data-mesh-id=\"comp-lfieeck0inlineContent\"\u003e\n\u003cdiv data-testid=\"mesh-container-content\" data-mesh-id=\"comp-lfieeck0inlineContent-gridContainer\"\u003e\n\u003cdiv data-testid=\"richTextElement\" class=\"HcOXKn c9GqVL QxJLC3 lq2cno comp-lfqwil5c5 wixui-rich-text\" id=\"comp-lfqwil5c5\"\u003e\n\u003cp class=\"font_7\"\u003eThe Unity CV2GIP is a DMEV (decentralised Mechanical Extract Ventilation) extract fan with an ultra-low energy DC motor and mixed flow impellor. It complies with System 3 of the Building Regulations and can be used in all wet rooms such as kitchens, bathrooms, utility rooms, and WCs. This one product concept simplifies the installation process and guarantees quality performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan class=\"ECOlE\"\u003e\u003cstrong\u003e\u003cspan\u003ePerformance Not Power - \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eUnity CV2GIP delivers the correct airflow performance with the lowest possible energy requirement for Building Regulation compliance\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"ECOlE\"\u003e\u003cspan\u003eA Greenwood GIP product - 100% adjustable on-site for easy compliance\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"ECOlE\"\u003e\u003cspan\u003eIt complies with System 3 (dMEV), removing the need for high background ventilation rates (window vents)\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"ECOlE\"\u003e\u003cspan\u003eEST Best Practice compliance with a Specific Fan Power as low as 0.16 W\/l\/s\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"ECOlE\"\u003e\u003cspan\u003eIncludes Greenwood SMART Technology for even better ventilation in the home\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"ECOlE\"\u003e\u003cspan\u003eAvailable in a CV2GIP SELV extra low voltage option for bathrooms: CV2SVGIP\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"ECOlE\"\u003e\u003cspan\u003eUltra quiet running noise as low as 10dB on trickle speed\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"ECOlE\"\u003e\u003cspan\u003eComplies with system 3\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"ECOlE\"\u003e\u003cspan\u003eComplies to: low voltage directive \u0026amp; EMC compatibility directive\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"ECOlE\"\u003e\u003cspan\u003eIPX5 rated wall\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"ECOlE\"\u003e\u003cspan\u003eIPX4 rated ceiling\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"ECOlE\"\u003e\u003cspan\u003e3 year warranty\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"ECOlE\"\u003e\u003cspan\u003eCE UKCA marked\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"ECOlE\"\u003e\u003cspan\u003eUKAS accreditation\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Greenwood","offers":[{"title":"Default Title","offer_id":51871485886624,"sku":"CV2GIP","price":63.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5275\/7152\/files\/greenwood-cv2gip-continuous-running-dmev-fan-smart-humidistat-timer.webp?v=1752681778"},{"product_id":"envirovent-quro-dmev-timer-fan-low-noise-continuous-extract-ventilation-qrst-lc","title":"Envirovent Quro dMEV Timer Fan – Low Noise Continuous Extract Ventilation - QRST-LC","description":"\u003cp\u003eThe \u003cstrong\u003eEnvirovent Quro LC dMEV Timer\u003c\/strong\u003e is a low-cost, SAP PCDB Listed, decentralised mechanical extract ventilation unit designed for continuous background ventilation with trickle and boost modes. Ideal for bathrooms, utility rooms, and small kitchens in domestic properties, this timer-controlled fan ensures compliance with Building Regulations Part F while delivering quiet, energy-efficient performance and a flexible, market-leading ventilation solution.\u003c\/p\u003e\n\n\u003ch2\u003eTimer-Controlled Extract Ventilation\u003c\/h2\u003e\n\n\u003cp\u003eThe Quro LC dMEV features a built-in timer function that allows the fan to run for a set period after activation, providing flexible ventilation control. With low power consumption, low noise operation, and a compact design, it's perfect for retrofit installations and new builds where reliable, code-compliant ventilation is essential. The Envirovent Quro LC dMEV Timer offers dependable air extraction with minimal noise disruption.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eSAP PCDB Listed for compliance and performance verification\u003c\/li\u003e\n\u003cli\u003eTimer-controlled operation for flexible ventilation scheduling\u003c\/li\u003e\n\u003cli\u003eLow noise design suitable for bathrooms and utility rooms\u003c\/li\u003e\n\u003cli\u003eLow-cost dMEV solution for domestic applications\u003c\/li\u003e\n\u003cli\u003eEnergy-efficient motor with continuous and boost modes\u003c\/li\u003e\n\u003cli\u003eCompliant with UK Building Regulations Part F\u003c\/li\u003e\n\u003cli\u003eCompact design for easy installation in tight spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eA reliable, cost-effective, market-leading ventilation solution for landlords, installers, and homeowners seeking compliant air extraction with timer functionality.\u003c\/p\u003e","brand":"Envirovent","offers":[{"title":"Default Title","offer_id":57468948644224,"sku":"QRST-LC","price":78.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5275\/7152\/files\/Envirovent-Quro-dMEV-Timer-Fan-_-Low-Noise-Continuous-Extract-Ventilation-QRST-LC-Envirovent-216438410.jpg?v=1771945540"},{"product_id":"envirovent-quro-lc-dmev-humidistat-timer-fan-low-noise-extract-ventilation-qrht-lc","title":"Envirovent Quro LC dMEV Humidistat Timer Fan – Low Noise Extract Ventilation - QRHT-LC","description":"\u003cp\u003eThe \u003cstrong\u003eEnvirovent Quro LC dMEV Humidistat Timer\u003c\/strong\u003e is a low-cost, SAP PCDB Listed, decentralised mechanical extract ventilation unit with integrated humidistat and timer controls. This low-profile, quiet-running, powerful ventilation unit features multiple speed settings and can meet the requirements of all wet rooms in a property including kitchens, bathrooms, utilities, en-suites and WCs, ensuring compliance with Building Regulations Part F while delivering a flexible, market-leading ventilation solution.\u003c\/p\u003e\n\n\u003ch2\u003eHumidistat and Timer-Controlled Extract Ventilation\u003c\/h2\u003e\n\n\u003cp\u003eThe Quro LC dMEV offers sound levels below 9 dB(A) with a maximum airflow of 30 l\/s (108m³\/hr) and achieves a market-leading low SFP of down to 0.08 W\/l\/s. With its low-watt DC motor, the Quro LC provides reduced energy consumption and increased efficiency. The unit features automatic intelligent timer mode that varies the over-run period based on how long the fan has been in boost operation, plus automatic intelligent humidity control that enables the fan speed to be varied based upon the relative humidity level identified.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eSAP PCDB Listed achieving market-leading low SFP down to 0.08 W\/l\/s\u003c\/li\u003e\n\u003cli\u003eQuiet running with noise levels below 9 dB(A) at 3m\u003c\/li\u003e\n\u003cli\u003eAutomatic intelligent timer varying over-run period based on boost operation\u003c\/li\u003e\n\u003cli\u003eAutomatic intelligent humidity sensor varying fan speed based on humidity levels\u003c\/li\u003e\n\u003cli\u003eMaximum airflow of 30 l\/s (108m³\/hr) for high performance\u003c\/li\u003e\n\u003cli\u003eUser-friendly side-fitted digital display with timer, humidity, run time and error code functions\u003c\/li\u003e\n\u003cli\u003eBack pressure detection with two installation configurations (through-wall or ducted)\u003c\/li\u003e\n\u003cli\u003eMultiple selectable trickle speeds from 5l\/s to 19l\/s (factory set at 8l\/s)\u003c\/li\u003e\n\u003cli\u003eSelectable boost speeds between 20-28l\/s (factory set at 25l\/s)\u003c\/li\u003e\n\u003cli\u003eLow-watt DC motor for reduced energy consumption and increased efficiency\u003c\/li\u003e\n\u003cli\u003eFuss-free maintenance with no filter requirement\u003c\/li\u003e\n\u003cli\u003e3 year warranty for peace of mind\u003c\/li\u003e\n\u003cli\u003eCompliant with UK Building Regulations Part F\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eA reliable, high-performance, market-leading ventilation solution for landlords, installers, and homeowners seeking compliant, moisture-responsive air extraction with intelligent dual control functionality.\u003c\/p\u003e","brand":"Envirovent","offers":[{"title":"Default Title","offer_id":57469024567680,"sku":"QRHT-LC","price":82.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5275\/7152\/files\/Envirovent-Quro-LC-dMEV-Humidistat-Timer-Fan-_-Low-Noise-Extract-Ventilation-QRHT-LC-Envirovent-216439683.png?v=1771946101"}],"url":"https:\/\/acaselectrical.co.uk\/collections\/dmev-extractor-fans.oembed","provider":"ACAS Electrical","version":"1.0","type":"link"}