This is due to sound reduction levels being measured differently for trickle ventilators when compared to windows. The new regulations in regards to trickle vents just seems very backwards. Skip to content +44 (0) 1732 850770 projects@passivent. THIS AREA IS CURRENTLY BEING UPDATED – PLEASE FEEL FREE TO DOWNLOAD BROCHURE FOR FULL INFORMATION>. Manufacturers and suppliers of ventilation and euro hardware products; trickle ventilators to window handles, locking and hinge systems to mechanical ventilation products. Trickle ventilation system. (closed to trickle), max 40m 3/hr. Condensation reduction; If your home has a problem with. This is a type of acoustic soundproofing. Vent-Trex FOR USE ON PVCU, TIMBER OR ALUMINIUM WINDOWS. 78 (ex. 00 € 35. 4. If you live near a busy road or an airport, trickle vents can be designed with additional acoustic options to give even more noise reduction benefits. Said to be bulky and unsightly . If you already have pieces of egg crate pattern acoustic foam lying around, you can use them to plug your air vent. AirLiner: Extends from. V. Acoustic FV (Framevent) Supplied with a PVCu internal flap unit and aluminium external canopy. If the windows are modern double glazing with trickle vents, it may be beneficial to replace the vent covers with acoustic trickle vent covers. 99. • Maintains the. There are two width variants, one for use over a 13mm slot, the other for a 16mm slot. Equivalent area: 14,427–34,032 mm²/m. Sound proofing with triple glazing. Natural daylight, as well as natural ventilation, are recognised factors in improving the wellbeing of a building’s occupants. Add to Basket. New trickle vents are being launched to offer increased equivalent area air flow. sales@titon. The offer includes the following colour versions: white, anthracite, grey, chestnut and oak. When the vent was removed, leaving just the opening, thereGreenwood Acoustic Vents. Snap on cover panel. Passivent are specialists in delivering natural ventilation and daylight solutions and a leading UK company in the field of sustainable and energy efficient solutions. The more air that you allow through a ventilator, the worse the performance you will get with the acoustic performance. Having recently moved into a new build apartment, the noise through the trickle vents in the bedroom window is driving me mad. Our 3. Specifying one different pane thickness will increase sound insulation. If your property is near a busy road, railway or airport, trickle vents can be designed with a high-performance acoustic option to reduce noise. Durable, easy to fit and fully tested. a background ventilator such as a trickle vent. Surface mounted slot ventilator. Renson's window vents are no exception: they excel in their clever design. I spoke to the builders about the issue, who subsequently contacted the. The acoustic attenuators come in three sizes; 25mm, 50mm and 75mm, which provide different dB reductions. VAT) Plastic trickle vents with fingertip vent adjustment. Acoustic lining reduces sound by 38dB with internal grille fully open and 39dB when closed. As of the 15th of June 2022, new regulations were introduced, making it a legal requirement for windows in England to be equipped with trickle vents. Our largest vent, the TVALdB800, is capable of sound reduction up to 42dB Dn,e,w. Was the window firm aware that the windows were being fitted for noise reduction? We've just had some new windows in and asked them to quote for triple glazing for sound reduction. The smallest slotvent in the market 5000mm² Equivalent Area Performance from the smallest vent at 410mm long High levels of background ventilation are required when applying System 1 of the Building Regulations in new dwellings; Intermittent Extract Ventilation and Background vents e. Additional tips to help cut noise emissions from your MEV or MVHR systemAtomicRitual · 07/12/2022 18:18. Cleaning Products; Door & Window Repair Kits; Draught Excluders;. Acoustic trickle vents for windows. Hit & Miss: 271mm L x 95mm H. Surface mounted window vents are specifically designed to operate in conjunction with a routered airflow slot through the frame or sash. Add to basket. This can be fiddly so it may be easier to cover the whole inside with acoustic foam before you start adding in the panels. 00 Standard Delivery 2-3 Working Days inc. Take some 3M spray adhesive and apply it to the flat side of one of the acoustic foam pieces. Additionally, they help remove stale air from the property, which is very helpful if there are any odours lingering in your home. This includes products such as the surface mountable SM Acoustic window vent, which offers an acoustic reduction of up to 40dB while open. The 2500EA and the 5000EA equivalent area vents are the smallest acoustic window vents on the market and achieve the best acoustic performance for window ventilators in the UK – up to 45dB (A) It is a simple and adaptable solution for windows in residential dwellings that have external noise issues or planning restrictions. Yale® is a world leader in residential security and the huge range of products stocked at Window Ware include Lockmaster multipoint door locks, window locks, shootbolts, letterplates, door locks, nightlatches as well as security products like the Yale conexis with Z-wave technology. With the advent of the guidance in ProPG: Planning and Noise, there is an increased need for sound-attenuated natural ventilation to achieve reasonable internal conditions in dwellings, considering noise, ventilation, and overheating. hello@brookvent. Summary 1. Most importantly, it influences the health of those who live and work in the building. Using Trickle vent to reduce noise. Choice of unit size. com Learn about the acoustic performance and ordering information of the EAR42W acoustic vent, one of the best performing acoustic vents available in the UK. Sound reduction up to 50db D n,e,w. Available in white or brown. The first stage of the acoustic assessment described by ProPG is to. Condensation ventilation is available in a variety of sizes for new build and refurbishment and Rytons acoustic background vents for walls have BRE measured equivalent areas and acoustic (Dn. 5. 63cm². 73 £ 4. Please make any allowances for fittings beads, gaskets etc, or for manufacturing tolerances. Adjustable flap aluminium ventilator with acoustic attenuation, for glazing-in to windows, overframe or wall mounting. A trickle vent above a French door is small and narrow in comparison. W. Smallest acoustic window vents on the market. TTF Slimline Ventilator. All vents are supplied with pre-fitted. Secondary glazing does not need trickle vents which improves the acoustic performance. In reply to Lewis and Stevie, Builder can use better trickle vents and there are Acoustic Trickle Vents available, if Builder will not come back a local glazing company should be able to help. Rytons are the leaders in vents for all applications and their acoustic performance is second to none. Acoustic STC – TV425 Vent and Canopy – open 33dB – closed 46dB. Make £2023 in 2023. 1. The Glidevale range of trickle ventilators (tricklevents) can be used to provide background ventilation in all types of building. View. Resources. The comprehensive range of window ventilators provide solutions for all types of application. The acoustic Trickle Vents can also be powder coated to any standard RAL colour. Internal hit & miss grille manually adjusted with an easy sliding. White Window Trickle Vents Ventilation UPVC & Timber Windows (#182414592060) ob (361). Tools, Fixings & Consumables. The XS13 is a direct replacement for the S13 range, using the same slot measurements but offering a much. Trickle vents must be left in the ‘open’ position to provide ventilation; Bear in mind that with uncontrolled ventilation, moist air and odours are spread around the home, often condensing in, or on, the fabric of the building. VAT. co. Most types of vent are available in a choice of colours to best suit the window frame and be as unobtrusive as possible. An acoustic version is also available, developed to satisfy the ever increasing demands for noise reduction whilst providing the desired ventilation levels. Acoustic Ventilation is used in rooms which require ventilation but still a high level of soundproofing. We are official stockists of Rytons Vents. Replacement windows should be fitted with trickle vents regardless of whether the windows being replaced had vents in them or not if no background ventilation alternative is being installed. Many homeowners, architects and double-glazing companies prefer to avoid trickle vents as they can affect a property’s overall aesthetics, energy efficiency and acoustic performance. Greenwood Air Management are well-known for being first to market in the ventilation industry. Across our Rose Collection, we offer expertly designed, beautifully authentic sash horns. The main performance concerns of Trickle Vents are the ventilation rate, thermal insulation, acoustic resistance, water tightness, and air permeability. Lockmaster. Triton brand aluminium trickle vents give you a small amount of ventilation via the window frame or a door frame as controllable or permanent version to reduce condensation in the room and freshen the air with natural ventilation. Bi-Fold Folding Slide . Yale Lockmaster KeyTurn . Natural daylight. Free postage. redeem. Trickle vents provide ventilation to any room without needing to open the window, which reduces external noise levels. VAT. 'usually' trickle vents in upvc/alu are 'in frame' as shown below (its the horizontal bar on the top of the frame) Passivent’s range of natural ventilation products includes wall and window ventilators and roof mounted ventilation terminals, all of which can be linked to an intelligent or stand-alone control system. The RW Simon Ltd TTF Slimline window trickle ventilator is a through frame trickle ventilator that is a robust, yet stylish aluminium ventilator. The Trickle Vent brings you the Sonovent Acoustic Solution which was developed to meet the two aspects of living comfort: Physical Comfort – fresh and healthy air without draught; Acoustic Comfort – up to 56 dB noise reduction; There are also four types (S/M/L/XL) with four possible air gasps (10,15,20 or 25 mm). Bathrooms (with or without a toilet): 4000mm2 EA. If you live near a busy road or an airport, trickle vents can be designed with additional acoustic options to give even more noise reduction benefits. Trickle Vents Framevent Hi-Flow (Anthracite Grey - 415mm) An Anthracite Grey trickle vent designed to help comply with Approved Doc F 2021, whilst maintaining the aesthetic of the Framevent range | 415mm Length x 28mm wide. Resources. Acoustic; Window Vents; Ancillaries & Ducting; Controls; Discontinued Products; Outlet;. English - United Kingdom. Waves is the ideal solution if, for practical reasons, a centralised ventilation system is not possible. 2500EA. For use on timber and upvc windows and doors. For effective ventilation, our Rose Collection sash windows are available with trickle vents fitted to the top of the sash. Acoustic block ventilators are large, aesthetically unattractive and often cannot be accommodated. Greenwood Air Management are well-known for being first to market in the ventilation industry. Verified 3 months ago . 14. What are acoustic trickle vents? Acoustic window vents are the answer! Our range of high-performing acoustic trickle vents for windows block out noise but let fresh air in to create a comfortable, well-ventilated environment that combats condensation. The Amendment Regulations and accompanying Approved Documents F: Volumes 1 and 2 come into force on 15 June 2022. Complete with a thermal foam seal, a 10mm slot size and sleek rounded external hood it is the perfect slimline surface mounted vent solution. This SlimVent and Canopy set from Yale is a part of our comprehensive range of trickle vents that enables window and door manufacturers to meet the requirements of the latest revisions to Building. Enjoy fresh air indoors with window vents. Fixing holes in the frame and cover caps. stabilised. favorite_border. Flush fit | White ABS Plastic | 430mm long x 20mm wide x 10mm deep (4,000 mm 2 free area). What is the purpose of vent in an aircon unit?Brookvent™ is an award-winning manufacturer of high-performance window ventilation systems and market-leading MVHR systems. Adding an extra pane of glass with our triple glazing will only provide a small increase in sound insulation, if all three panes are of the same thickness. People feel the draught and close the vent or think the room loses its heat. Resources. They are controllable, to give the option of having them open or closed. It is the shortest ventilatior available on the market capable of provding an Equivalent Area (EA) of 5000mm 2 and can be fitted with a plastic or aluminium canopy. ACOUSTIDRAIN. A trickle vent is also included. Browse 10 free BIM objects and Revit families that are ready to use on your projects. This Video Is A HOW TO Guide on Fitting A Chlo Products Trickle Vent to A Window. Installing a background ventilator through a wall that provides the equivalent areas described in Approved Document F, volume 1 can be an. Rytons are the leaders in vents for all applications and their acoustic performance is second to none. Greenwood 5000EAW. Glidevale ALDB Acoustic Trickle Ventilator 4500mm - White. + VAT. Duco Acoustic Ventilators. £7. 15. Window vents, also known as trickle vents, are an effective way to improve indoor air quality in dwellings through passive ventilation. Airflow is demand based and controlled by the level of humidity in the. The RW Simon Ltd TTF Slimline window trickle ventilator is a through frame trickle ventilator that is a robust, yet stylish aluminium ventilator. Glidevale Protect offers a wide selection of roofing ventilation products suitable for all tile and slate roofs. Ventilating buildings is about more than just the exchange of air. Habitable rooms and kitchens: 8000mm2 EA. The kitchen has an extractor vent , also a vent for the boiler and trickle vents on the double glazed windows. Schüco decentralised ventilation systems stand out from. RW Simon are one of Europe's leading suppliers of domestic air management systems. Summary 1. Colour Name: White. Glazed-in window vents are specifically designed to fit along the top of the sealed glass unit, between it and the frame, by reducing the glass height. Size: 400mm (L) x 20mm (H) x 22mm (D) Achieves sound reduction of 40dB closed and 33dB open. The Slimline Ventilator will provide Trickle Ventilation in accordance with the Building Regulations 2000: Part F: Approved Document F1 October 2010 and Scottish Building Regulations October 2011 Standard 3. The inclusion of SoundOUT diffuser acheives an improvement in acoustic perfomance of 3 Rw. With Waves, you get to enjoy all the benefits of demand-driven ventilation, without major renovation works. Although it is important for modern homes to be well insulated, properties still require a certain amount of ventilation in order to avoid problems with condensation and damp. Single. You can get acoustic trickle vents that are supposed to reduce sound from outside. In addition, acoustic vents can also help to improve the overall acoustic quality of a room by absorbing excess sound waves. Mantis 4 . RW Simon Trickle Vents. The main performance concerns of Trickle Vents are the ventilation rate, thermal insulation, acoustic resistance, water tightness, and air permeability. Range includes: Standard through frame. By allowing a controlled amount of fresh air to enter the room, window vents help to reduce condensation, dampness, and mould growth. Advice on Trickle Vents on New House UPVC Windows. With window vents, you can ensure a constant and natural supply of fresh air into your home through dry rooms such as living rooms and bedrooms. Acoustic FV (Framevent) Supplied with a PVCu internal flap unit and aluminium external canopy. com' and any phone number given is. Ex. PAGE 1 OF 3. Trickle ventilators. Window Vents & Trickle Vents | Zehnder Group UK | Zehnder Group UK Ltd Window vents, also known as trickle vents, are an effective way to improve indoor air quality in. Ventilation building regulations are changing in England from 15th June 2022. 5. . Generally, to gain maximum performance, the size of the acoustic attenuator should be mirrored on the vent and canopy; and. stabilised UPVc. The trickle vent operates automatically. Are the trickle vents available in various colours? Product Type. Using Trickle vent to reduce noise. Acoustic performance of 33 Db and an EA rating of 4600, the V4000 is great value and available from stock for next day delivery. 16 ex. Free area (maximum): 26,670 mm²/m. Most doors and windows are available with trickle vents as an optional extra, and the vents can be opened and closed at the homeowners’ discretion. Titon SF Xtra Flat Fit Vent (surface mounted). Energy efficient, minimise heat loss. Extract fans in bathrooms and trickle vents in windows, to a central extract system, mechanical extract with fewer - sound attenuating – vents, or all the way to mechanical ventilation with The Freshvent has 2700 mm² equivalent area. You would have to research whether they would be suitable to retrofit to your windows. Acoustic Window Vent. Resources. Using trickle vents in every room to provide background ventilation is never a bad thing. 89. £5. From manufacturing the first dMEV classified product in the UK in 2007 to our latest release aligned to the 2021 UK Building Regulations, our approach has always been set on delivering a low-energy performance product which. Finish (inner and outer). Nat28 wrote: ». Keep your trickle vents open. VAT - Mainland UK Only (NB: Orders placed after 3pm Fri will be dispatched the. Suitable for bedrooms and other rooms where low noise levels are a priority. Glidevale Protect TVES4dB Acoustic Energy Saver Humidity Sensitive Trickle Vent - Trickle Vent . Enquire now, call 01805 623721. Adjustments to slot heights may be needed to achieve the EQA requirements. Trickle vents must be left in the ‘open’ position to provide ventilation; Bear in mind that with uncontrolled ventilation, moist air and odours are spread around the home, often condensing in, or on, the fabric of the building. Inc. The stylish design of the EHA² air inlet enables perfect integration on most windows or rolling shutter casings. VAT. 2500EA routing slot size: 192 x 13mm. 90, Haggling: £45, Wombling (Roadkill): £4. We also offer the acoustic window trickle vent range in a selection of anodised finishes. 78 (ex. TAL4H&M- '9x3' Acoustic AirLiner® Set with Hit & Miss Ventilator (Up to 39dB Dn,e,w) Controllable air vent for background room ventilation. Removable cover pannel conceals Ventient trickle ventilation unit. 5% of substances and particles that are hazardous to health. We do get asked how to cure damp and mould around windows and the first question we ask is "what ventilation do you have in the room". Recently organised window fittings at a relatives house. 37,. 6300mm². Read More. View. Established in 1958, R. Trickle Vents - Flush Fit (White - 300mm) £ 5. Ventilation in windows and doors must extract excess water vapour, air pollutants and condensation. Easy Installation: Our non-invasive installation process is window. Acoustic SL (Slimline). 75 (£14. Available in 3 standard sizes and six standard colours, the unit. BV, BV - TV. We explain what trickle vents are, why you need them, and how to choose products with a. Unique tilting T-bar variable opening. The SM 1000+ is a trickle vent with all the same great features of the SM 1000 – including slimline design, built-in insect grille and simple installation – but also comes with the added benefit of rod control operation. Inc. Hi All, Moved into a new build back in a September and by law the windows have to have trickle vents. Discover how acoustic ventilation can improve indoor air quality and reduce noise pollution with Greenwood, the leading air ventilation system manufacturers in the UK. Supplied with a removable protective cover. Finish (inner and outer). RW Simons Ltd PVCu Trickle Vents range is called Framevent and is the latest addition to our extensive range of window ventilators. 5 2 ratings. Matching the vent to various window colours is not a problem as SlimVent is available in combinations of White, Anthracite Grey, Black and RAL8022 Brown. . It is the shortest vent available to provide 5000mm² EA. Where high acoustic performance is required trickle vents should be avoided as they will have a detrimental effect. It can be locked in the minimum as well as maximum flow position. Designed to improve natural ventilation in the home, trickle vents have often proved unpopular with homeowners because they can spoil a window’s aesthetic appeal. As the name suggests, these are trickle vents with added insulation. Ventilation is routed over the frame or head of the window. Checkout Now. Designed and developed in the UK, Yales SlotVent allows an appropriate amount of air to pass through the window, helping to remove stale air and reduce condensation and mould, as well as enabling people in cities or near busy roads to benefit from ventilation without having to open their windows. Trickle Vents are designed to provide fresh air ventilation for improved in-home air quality while the window remains closed and secure. Size Name: 4000EA. 2060 (1) 2200 (1) 2500 (2) 4000 (2) 4300 (1)Acoustic laminated glass; Sash Horns. £2. Other finishes available depending on quantity. stabilised. The trickle vent is constatntly closed due to the noise, will an acoustic vent be a significant improvement on a closed vent or only compared to an open basic vent. Our trickle ventilator products are available for delivery as. UK Manufacturer of home mechanical ventilation systems and hardware for windows and doors, including handles, hinges, trickle vents and extract fans. Adding secondary glazing means sound must travel through another layer of glass and air space between, helping to diminish its energy and improve sound proofing. Hybrid versions of these products provide part natural/part mechanical ventilation and operate in three modes – mixing, boost and passive. Then simply cut a space in the foam to glue each panel in. Comes complete with Freshvent 100 db and Freshvent 100 Thermo db versions. Low Voltage Powered Foundation Vents and Radon Powered Foundation Vents. Inc. uk info@titon. The SlotVent range comes in three sizes – 2500EA, 4000EA and 5000EA, which means they can be used on their own or in combination to reach the 4000mm 2, 8000mm 2, or 1000mm 2 Minimum Equivalent Area thresholds now required for bathrooms, kitchens and habitable rooms in either multi-storey or single-storey dwellings. 85 +VAT. Although this vent supports compliance, we would urge you to read our handy guide before you purchase which summarises the new requirements. Enquire. Unfortunately moisture in the air is common of everyday living and it needs to go somewhere and we need changes of air too. Trickle ventilators. SM Ultima 5000 mm2 EA. New building regulations that come into effect from 15 th June 2022 have implications for any windows that are installed after this date. Manufactured from UV-stabalised HIPS. FREE DELIVERY on orders over £600 (£500 ex. £59. Suffix product code with:Our trickle vents have been tested for acoustic properties. Click & Collect. The self-regulating non-return valve prevents annoying chilly draughts, while the window vent itself is also designed for improved acoustic comfort. VAT. Automatic, no user input. Most importantly, it influences the health of those who live and work in the building. Please be vigilant of fraud/cyber crime. RW Simon Trickle Vents. Acoustic lining reduces sound by 38dB with internal grille fully open and 39dB when closed. It can be seen that the noise through the trickle vents dominates the overall levels, and a higher performance of the trickle vent would be required in the 500 Hz and 1 kHz octave bands if lower internal levels are sought. Special colours available on request for all trickle vents; Felted gasket for increased performance; When specified correctly complies with Building Regulations; Technical Information Close . The new 2500EA and 5000EA acoustic window ventilators from Greenwood Airvac make ‘sound’ new additions to the Window Ware range. Qty BPD Store. We also offer the acoustic window trickle vent range in a selection of anodised finishes. Ventilation can be provided through any appropriate means. Horizontal strip, aluminium ventilator for windows with internal adjustable flap for airflow control. Glue acoustic foam on all the sides of the ducting and wait for it to dry. each. test – a standard Titon slot vent and a so-called ‘acoustic’ slot vent. Acoustic trickle vents now make it possible to obtain planning permission for new developments that are situated near a busy road, train lines or an industrial site that would have been refused. Thanks to the use of sound-absorbing foam, they dampen external noise much more effectively than standard hoods. Surface mounted noise reducing acoustic trickle vent. Acoustic trickle vents: noise-reducing acoustic vents are also available for external windows, facilitating the flow of air in and out of a building, while helping to prevent the ingress of external noise. Nineteen different Trickle Vents are reviewed from some of the performance aspects in this paper. Window Vents & Wall Ventilation. Fast retrofit design only requiring a core drill of correct. through the frame trickle vents for all window types. 79. Although the vent can be closed, they. Buy Now. The acoustic range incorporates all the features of the standard Aircool® plus additional acoustic attenuation features. SlimVent is available in 2500mm² and 4000mm² EA ratings. 14/10/19 - 13:35 #7. View. External grille provides weather protection and insect ingress. Achieves Building Regulations’ EA requirements. Add to Wishlist. All new and replacement windows will need to meet these regulations or will fail the FENSA inspection, and will therefore not be eligible. Replacement Locks. The link vent is our latest and most advanced trickle vent and the instructions are provided for the shorter 2500 (EQA) vents and its big brother the 5000 (EQA). It is suitable for retrofit applications and has independent testing and certification. 1000 Pa. The main performance concerns of Trickle Vents are the ventilation rate, thermal insulation, acoustic resistance, water tightness, and air permeability. Add to Wishlist. Yeah, it might be the same mechanism as what they use for mufflers (in which you. co. Here, you can find the fitting instructions for the Glazpart range of trickle vents used to deliver the required provision of back ground ventilation in dwellings. Trickle Vents are designed to provide fresh air ventilation for improved in-home air quality while the window remains closed and secure. RW Simon FV Acoustic Vent 400mm 2500EA . FREE DELIVERY on orders over £600 (£500 ex. View Product. available, and can provide higher levels of attenuation, however. Passivent’s Acoustic Aircool range is available as both a window or wall ventilator. Glidevale Ultravent Trickle Ventilator External Canopy Grille. Humidity sensitive options available. Learn More . They offer a more durable and reliable solution for house builders and fabricators, with better weathering and acoustic properties, a positive closure, and a more straightforward. R. 250-368mm L with air brick fitted. Trickle Vents are designed to provide fresh air ventilation for improved in. 70 . . AtomicRitual · 07/12/2022 18:18. Any cooling of the internal temperature in winter from a trickle vent is marginal. Our ventilation hardware provides optimum levels of air ventilation, and have been designed with security and energy efficiency in mind. CLOSED. 4080mm² measured area 2500mm² Equivalent Area. VAT) Plastic trickle vents with fingertip vent adjustment. 400mm Tan and White Trickle Vents (internal and external fittings) £9. | sales@windowware. Natural Ventilation. The latest additions to our acoustic offering is the Tunal Range which represents a series of on the frame and. The products are made from high. Ex. favorite_border. Your SM 1000+ can be mounted on your existing windows and made to your exact. The Acoustic Energy Saver Humidity Sensitive (TVES4dB) and the Acoustic. stabilised PVCu, it reflects the growing. UPVC & Wooden Windows. You would also need trickle vents to meet the permanent ventilation requirement as per the building regulations. Trimvent® Select Xtra S13 FOR USE ON PVCU, TIMBER OR ALUMINIUM WINDOWS. Aquwall HY Products. Ventsys Trickle Vents – Free Shipping. Trickle Vents, known also as background ventilators, are natural ventilation devices which can be integrated into façades or window systems as an alternative to. Glidevale Acoustic Energy Saver Humidity Sensitive Trickle Ventilator is a humidity sensitive, acoustic through frame window vent. As the name suggests, these are trickle vents with added insulation. Price: £145. Nothing stopping you from. Aquwall HY are specifically designed to operate in conjunction with a routered airflow slot through the frame or sash. Ventilation helps you to protect the building fabric long-term, save energy and retain the value of your property. For example, if a window with a sound reduction of 35dB is used in conjunction with a background ventilator also giving a reduction of 35dB, the overall decrease will be somewhat less than 35dB. Acoustic Vents.