VAT. Hybrid versions of these products provide part natural/part mechanical ventilation and operate in three modes – mixing, boost and passive. RRP from £2. The product is specifically designed for “Through Profile” PVC-U applications using a 10 mm routered slot, and is available in two. Aluminum canopy. Although this vent supports compliance, we would urge you to read our handy guide before you purchase which summarises the new requirements. People feel the draught and close the vent or think the room loses its heat. Duco Acoustic Ventilators. Trickle vents built into the frame will allow noise to seep into the room even when the window is shut tight. By buying this product you can collect up to. Choice of slot size. These trickle vents are screwed to the frame and can be operated by simple finger control. Substantial sound reduction of up to 39dB Dn,e,w. hello@brookvent. Acoustic energy saver humidity sensitive ventFramevent PVCu Ventilator. Four intermediate settings. 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. Features a slim line design with two stage opening with the benefits of sound insulation. D n,e,w (C;Ctr) – Open position. They are commonly operated by opening or closing a flap depending on the need for ventilation. Your Price Apply / Login. The vent has one of the highest decibel ratings on the market for a non-acoustic vent. Window vents let the heat out. This can cause health issues through humidity, such as dust mites and mould, or even impact on the long-term. Glazed In: The trickle vent is fitted into the glazed area along the. Hi All, Moved into a new build back in a September and by law the windows have to have trickle vents. Trickle vents also add enhanced sightlines, which is a key priority to customers. Schüco decentralised ventilation systems stand out from. 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. Available in 2500EA or 5000EA with the option of 1 or 2 Acoustic External Modules fabricators have a variety of solutions to achieve their required specifications. Ventilation levels 47% RH - 2500mm ventilation area 65% RH - 3815mm 2 v entil ao r ENERGy SAVER, HUMIdITy SENSITIVEBuilding regulation changes from 15th June 2022 – trickle vents. Through Frame Design: This is where the trickle vent it often positioned through the head of the frame. Customers have expressed concern about acoustic insulation, but a home can be ventilated without the window being opened. £9. Trickle Vents by Greenwood are available in various styles & Sizes Starting from 4. VAT)*. Configurations and results. Trickle Vents allow you to have a small aperture in a window for a controlled amount of ventilation. Glidevale TVUG25 External Canopy Grille – BIM Object. Promote a healthy airflow. Our acoustic window ventilation range features a comprehensive selection of acoustic solutions. . View Product. Acoustic Vents. The Freshvent has 2700 mm² equivalent area. Qty BPD Store. However all future homes will require continuous mechanical extract to circulate air and even CMEV. Greenwood Acoustic 2500EAW. The basic versions of this surface mounted aluminium slot ventilator are the shortest available capable of providing 5,000mm2 EA – while being equally suitable for domestic or non-domestic applications. Add to basket. 99. Titon is pleased to announce the promotion of Carolyn Isom to the Titon Holdings Board as Chief Financial Officer. Glidevale Protect TVES4dB Acoustic Energy Saver Humidity Sensitive Trickle Vent - Trickle Vent . Colour. The Trickle Vent, Schüco VentoLife is an air purification device with a multistage filter which removes from the air up to 99. Manufacturers and suppliers of ventilation and euro hardware products; trickle ventilators to window handles, locking and hinge systems to mechanical ventilation products. Hit & Miss: 271mm L x 95mm H. Acoustic trickle vents often involve totally different window frames or bolt on additional sections, I'd be surprised if you can find direct replacements. 1. The SM 1000 Trickle Vent is a slim, unobtrusive trickle vent. The noise the current ones let in . 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. All new and replacement windows will need to meet these regulations or will fail the FENSA inspection, and will therefore not be eligible. The glass thickness. The. Acoustic performance of 33 Db and an EA rating of 4600, the V4000 is great value and available from stock for next day delivery. The best acoustic attenuation reached so far by a trickle vent is the effect of combining our reliable Ventair TRDn controller with a two-stage acoustic attenuator installed in our Ventair Akustik air intake. You would also need trickle vents to meet the permanent ventilation requirement as per the building regulations. 16 ex. A surface mounted aluminium slot ventilator, the Titon SF Xtra Flat Fit Vent is ideal for new-builds or to be retro-fitted. RRP from £34. TV90 TV250 Internal Trickle Ventilator: TA660GT:. W. Optional internal acoustic extension. New higher equivalent area confirmed by the BRE. In addition, we also offer our own trickle vents within Total Hardware’s exclusive range, Quantum. 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. Glidevale TVES4dB Acoustic Energy Saver Humidity Sensitive Trickle Vent – BIM Object Download. You must have some form of ventilation, either trickle vents in the windows, acoustic trickle vents in the walls, or a heat recovery system. Bathrooms (with or without a toilet): 4000mm2 EA. Wasn't sure where to post this ! We moved into a new house in June2010, when it started getting colder we closed the trickle vents on all the windows but still have a draught coming through them. Lockmaster. Trickle Vents are designed to provide fresh air ventilation for improved in-home air quality while the window remains closed and secure. Contact our team today. Brookvent offers a range of acoustic window vents that reduce the noise pollution from external sources and improve the indoor air quality. Adjustable flap aluminium ventilator with acoustic attenuation, for glazing-in to windows, overframe or wall mounting. These are areas such as kitchens, bathrooms, utility rooms etc, where appliances, showers and baths produce large amounts of moist, damp air which needs to be expelled from the room. 5% of substances and particles that are hazardous to health. Schüco Ventilation Vents AWS VV are available as opaque side-hung vents with face widths of 300 mm, 250 mm and 170 mm. Enquire now, call 01805 623721. Through Frame Trickle Ventilators, Acoustic Trickle Ventilators and Vent-A-Matic provide options to suit a range of needs. Using Our Jig. Unfortunately, moisture in the air is common in everyday living and it needs to go somewhere and we need changes of air too. 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 13/16” dimensions are always constant; therefore the body length is always 1-5/8” shorter than the overall length. . Suitable for use in wall depths up to 360mm. These pared-down pieces of kit (measuring between 412mm and 250mm) are the smallest acoustic window vents on the market, yet they offer unbeatable noise-reduction (up to 45dB) and impressive. £3. If you still think opening a window is the best way. Acoustic window vents are the answer! Our range of high-performing acoustic trickle vents for windows block out noise and help to soundproof, along with allowing fresh air in to create a comfortable, well-ventilated environment that combats condensation. However, thanks to ECOSlide’s ingenious design, this isn’t an issue. 89. Trickle vents provide effective background ventilation in a home, which may help to minimise the severity of health problems like. Then simply cut a space in the foam to glue each panel in. TAL4H&M- '9x3' Acoustic AirLiner® Set with Hit & Miss Ventilator (Up to 39dB Dn,e,w) Controllable air vent for background room ventilation. They may be an excellent solution to cope with the current regulations but if the issue is noise, they can also. 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. RW Simons Ltd PVCu Trickle Vents range is called Framevent and is the latest addition to our extensive range of window ventilators. 6300mm². Retro-fitted core ventilator with external cowl for background room ventilation. The SF Xtra is a high performance, surface mounted aluminium slot ventilator. The SF Xtra Sound Attenuator vent is a compact and cost-effective acoustic slot ventilator that provides high levels of sound attenuation for PVCu, aluminium and timber windows. VAT)*. Acoustic Information (31) User Guides (47) Fault Finding (13) Calculators (1) Test Results (36). Keep your trickle vents open. 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. 'usually' trickle vents in upvc/alu are 'in frame' as shown below (its the horizontal bar on the top of the frame)Passivent’s Soundscoop acoustic air transfer unit also combines crossflow ventilation with exceptional acoustic attenuation. Trickle vents provide effective background ventilation in a home, which may help to minimise the severity of health problems like. Inc. 5. It is the shortest vent available to provide 5000mm² EA. Slot Size: 2no x 13-17 x 135mm. Internal hit & miss grille manually adjusted with an easy sliding. Minimize condensation and safeguard your windows and frames from potential damage. 39 (0;-2) dB. The purpose of trickle ventilators is providing a consistent flow of fresh air. Air Brick: Terracotta, buff/sand, white, grey, blue/black, black, brown. Mantis 3. Acoustic trickle vent. Spend £250+ to Get an Extra 5% off. Available in 2 sizes: This vent 2500EA - 250mm (L) x 25mm (H) x 70mm (D) Internal/86mm (D) External. WHITE 400mm Trickle vents from just £3. Low Voltage Powered Foundation Vents and Radon Powered Foundation Vents. The fans run 24 hours per day (usually 22 hours on trickle and 2 hours on boost) but this is directly related to occupancy in homes. Acoustic; Window Vents; Ancillaries & Ducting; Controls; Discontinued Products; Outlet;. External cup handle for external fitting. uk info@titon. With the inclusion of high efficiency acoustic foam the product reaches an acoustic attenuation of up to 42. Will help to reduce condensation. For example, the SSH 2500EA Acoustic Trickle Ventilator from AW Louvers has a slot height of just 11mm, and can provide a sound reduction of 46Dnew in one acoustic model in open position, and. Trickle ventilators provide ventilation to the room without the need to open the main window, reducing noise levels as a consequence. Glidevale ALDB Acoustic Trickle Ventilator 4500mm - White. I spoke to a window company about their acoustic glazing range. 63cm². The SF Xtra is factory-made to standard sizes. TTF Slimline Ventilator. The Amendment Regulations and accompanying Approved Documents F: Volumes 1 and 2 come into force on 15 June 2022. Unique tilting T-bar variable opening. Yeah, it might be the same mechanism as what they use for mufflers (in which you have a. The SF Xtra Sound Attenuator vent is a compact and cost-effective acoustic slot ventilator that provides high levels of sound attenuation for PVCu, aluminium and timber windows. For effective ventilation, our Rose Collection sash windows are available with trickle vents fitted to the top of the sash. Core drilled – suitable for retrofit installations. Core drilled – suitable for retrofit installations. Surface mounted noise reducing acoustic trickle vent. We are official stockists of Rytons Vents. Glass-fitting Ventilators. SlimVent is available in 2500mm² and 4000mm² EA ratings. W x H x D: 260 x 90 x 7mm. AAC125HPCWL. Is it OK to cover air vents? You could mess with the air flow. View. Manual override open and close option. Granada can install an acoustic trickle vent which has been specifically designed to aid air circulation whilst preventing noise waves passing through it. View. Said to be bulky and unsightly . Titon SF Xtra Flat Fit Vent (surface mounted). The acoustic vent is installed into a timber packer, which is fitted and sealed on site and can achieve a sound reduction value of Dn,e,w (C; Ctr) = 40 (-1; -2) dB, and an equivalent free opening of. 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. Trickle vents built into the frame will allow noise to seep into the room even when the window is shut tight. In the closed position the slot trickle option provides upward defl ecting, draught free, ventilation up to 2500mm2/m (Open Area) Geometric Modular Sizes Geometric Equivalent Overall Overall Overall Open Area Area Slot Size Vent Length Hood Length 2000mm2 1705mm2 13mm x 160mm 240mm 205mm 3000mm2 2384mm2 13mm x 235mm 315mm. The easiest and cheapest option seems to be replacing my basic trickle vents with acoustic vents. BIM object . We also offer the acoustic window trickle vent range in a selection of anodised finishes. The Simon Framevent HF & HF + tricklevent range have been designed to help comply with. 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. This can cause health issues through humidity, such as dust mites and mould, or even impact on the long-term. Yale SlimVent Trickle Vent Set (White, 4000EA) Brand: SD Hardware. Developed in 2 sizes the vents performance will be 5000. About this product. Ventilation building regulations are changing in England from 15th June 2022. Please make any allowances for fittings beads, gaskets etc, or for manufacturing tolerances. Trickle Vents are designed to provide fresh air ventilation for improved in. More information enquiries@titon. A trickle vent is a very small [quantify] opening in a window or other building envelope component to allow small amounts of ventilation in spaces intended to be naturally. The room must achieve an internal noise level of 35 dB(A) over the duration of the measurement period. 99. 2) Are they straightforward to retrofit, ie do i just unscrew my existing vent, slide in the new one and screw in to place or is there more to it. Performance required. They are there for a reason taping them up will only cause issues elsewhere. By installing trickle vents into your doors, you can ef. You’ll need to cut a section off the top to allow the air to pass through; 25-30% should be right. Acoustic lining reduces. 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. Snap on cover panel. Ex. £395. By installing trickle vents into your doors, you can ef. 79 inc VAT. Available in 3 standard sizes and six standard colours, the unit. The glass thickness. These new rules feature in Approved Document F, which provides guidance on adequate ventilation in properties, and will impact both new and existing homes, along with extensions and self. The latest addition to the Simon acoustic range. It features a thermal foam seal, rod control operation and also comes with a 10 year guarantee. It is the shortest vent available to provide 5000mm² EA. Habitable rooms and kitchens: 8000mm2 EA. I discuss sound mazes in more detail in the article linked above, but watch this video for steps on how to build a sound maze. Simon Air Management have been manufacturing and supplying ventilation and air management systems to the glazing and construction industries for over 50 years. Rytons are the leaders in vents for all applications and their acoustic performance is second to none. EAQ42W is an acoustic window vent suitable for new build and refurbishment and can be applied to most window profiles with add on sections. 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 acoustic Trickle Vents can also be powder coated to any standard RAL colour. Sound reduction up to 50db D n,e,w. The SM ULTIMA is a high quality, ABS acoustic window vent offering 2600mm2 EA airflow and providing a 40 db Dne W sound reduction in the. Trickle Vents - Flush Fit (Brown - 300mm) £ 5. 47 (-1;-2) dB. Free area (maximum): 26,670 mm²/m. if you have trickle vents in these rooms then they should be acoustic, otherwise you are circumventing the expensive windows you have just specified/fitted. Flush fit | Brown ABS Plastic | 300mm long x 20mm wide x 10mm deep (2,700 mm2 free area). It can be fitted with an XC13 canopy or GS22 grille. The EAQ42W is one of the best performing acoustic window ventilators available in the UK. 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. Water sewerage refund: £170. Background - usually provided by trickle vents installed within a window frame ; Purge - either natural (by opening a door or window) or mechanical . If you receive an email from our parent company Building Product Design Ltd, please check that the email address from the sender ends in '@buildingproductdesign. With its built in updraught and various operating modes the TTF Slimline is suitable for all types of windows. A range of ventilation rates available. These trickle vents are screwed to the frame and can be operated by simple finger control. also available as 5000EA - 412mm (L) x 25mm (H) x 70mm (D) Internal/86mm (D) External. Trickle ventilators. Google has come up with various options including, foam around window frame, acoustic glass etc. Contact one of our experts. Free next day delivery available. 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. Passivent’s Litevent is a controllable roof ventilation. Acoustic lining reduces sound by 45 dB with internal panel fully open and 50 dB when closed (Dn,e,w). VAT) Plastic trickle vents with fingertip vent adjustment. Continuous Ventilation offers an all round low energy, low noise solution for tenants - and it protects the building effectively. 57 Ex. Performance for the various elements is as follows; Table 2 - Facade element example performance Element Octave Band Frequency (Hz) Noise Level 125 250 500 1000 2000 4000 (dBA) Trickle Vent 373635 34. Surface mounted slot. '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. Share. € 39. Resources. 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. Obviously I would want to not fill the mains ones such as kitchen or the. Fast retrofit design only requiring a core drill of correct. • Maintains the integrity of the rooms soundproofing. Simon Air Management have been manufacturing and supplying ventilation and air management systems to the glazing and construction industries for over 50 years. EN. 2060 (1) 2200 (1) 2500 (2) 4000 (2) 4300 (1)Acoustic laminated glass; Sash Horns. I am in a new build house (4 years old) and I am looking to improve the soundporoofing to the front of the house. The stylish design of the EHA² air inlet enables perfect integration on most windows or rolling shutter casings. 50 a set, conform to Building regulations. Automated control of differential pressure provides your house with a proper volume of air and, in addition, considerably reduces thermal. The major design criteria of Trickle Vents are ventilation capacity, controllability, actuation, thermal insulation, air permeability, water tightness, climatic adaptation, security, and acoustic. Trickle Vents - Flush Fit (White - 300mm) £ 5. The first stage of the acoustic assessment described by ProPG is to. Acoustic SL (Slimline). You can get acoustic trickle vents that are supposed to reduce sound from outside. Our trickle ventilator products are available for delivery as. Ventilation systems. UK Manufacturer of home mechanical ventilation systems and hardware for windows and doors, including handles, hinges, trickle vents and extract fans. W. redeem. Use code 500Save 💵 Links. V. A factor of 40 would be 10,000 times below ambient. Installing a background ventilator through a wall that provides the equivalent areas described in Approved Document F, volume 1 can be an. • Night vents do not count and cannot be used as a method to provide background ventilation. 4. Free postage. We are Closed 23rd - 26th December & 30th December - 1st January (Open as usual 27th 28th 29th December Back to normal Hours 2nd January 2024). Contact Us. 29 Inc Vat. Additionally, they help remove stale air from the property, which is very helpful if there are any odours lingering in your home. 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. Buy Now. Trickle vents ruin any acoustic performance gains. 96, Prolific: to 31/8/23 £663. Non-electric acoustic though wall vent, provides controlled background ventilation and noise attenuation up to 50dB Dn,e,w. Acoustic vents are now available. Just because you cover the vent. Available in 3 standard sizes and six standard colours, the unit. By allowing a controlled amount of fresh air to enter the room, window vents help to reduce condensation, dampness, and mould growth. Restrictor with ventilation position. They are controllable, to give the option of having them open or closed. Acoustic lining reduces sound by 38dB with internal grille fully open and 39dB when closed. This makes the vent even easier to use. Where high acoustic performance is required trickle vents should be avoided as they will have a detrimental effect. The purpose of trickle ventilators is providing a consistent flow of fresh air. Wind noise blowing across the vents if ours are anything to go by. Available in 3 external cowling colours. Enquire now, call 01805 623721. Designed to be a functional part of a window that lets air circulate through your home, according to Building Regulations, trickle vents come highly recommended. This is a type of acoustic soundproofing. We are Closed 23rd - 26th December & 30th December - 1st January (Open as usual 27th 28th 29th December Back to normal Hours 2nd January 2024). Flush fit | White ABS Plastic | 430mm long x 20mm wide x 10mm deep (4,000 mm 2 free area). One of the best performing acoustic window ventilators available in the UK. View. Enquire now, call 01805 623721New rules (after 15 June, 2022) In line with the new rules, all windows and doors must be fitted with trickle vents, unless there is an alternative, dedicated ventilation system fitted. BV, BV - TV. Proposal It has been proposed to redevelop the former Maybloom Club site, Bostall Hill, London, SE2 0RA, toSlimline vent design has clever two stage opening. Smallest acoustic window vents on the market. View Product. Download. ACOUSTIDRAIN. Aereco develops innovative ventilation solutions for residential and office buildings with a key concept: the modulation of airflow rates according to. 5 year old house has trickle vents on every window, which let in a huge amount of cold air even when closed. *much* quieter than the master bed. Iv been quoted £90 each ! for acoustic. 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. Burglar-proof performance is desired in some cases. through the frame trickle vents for all window types. VAT) Plastic trickle vents with fingertip vent adjustment. Aluminium Trickle Vents. Roofing ventilation. Our largest vent, the TVALdB800, is capable of sound reduction up to 42dB Dn,e,w. Equivalent area: 14,427–34,032 mm²/m. 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. Acoustic window vents are the answer! Our range of high-performing acoustic trickle vents for windows block out noise and help to soundproof, along with allowing fresh air in to create a comfortable, well-ventilated. airvent SM 1000+ Trickle Ventilation. The short answer is no, you do not need trickle vents if you have a full mechanical ventilation and heat recovery system. Bathrooms (with or without a toilet): 4000mm2 EA. One of the most popular choices for passive ventilation. FREE DELIVERY on orders over £600 (£500 ex. Ventilating buildings is about more than just the exchange of air. Trimvent® Select Xtra S13 FOR USE ON PVCU, TIMBER OR ALUMINIUM WINDOWS. Most types of vent are available in a choice of colours to best suit the window frame and be as unobtrusive as possible. Suffix product code with:-020 (white), -001 (SAA. Dimensions. This includes windows and doors in newly built homes, windows and doors in newly built extensions, as well as all replacement windows and doors, regardless of. g. As ventilation specialists, we are also proud to supply. Trickle vents ruin any acoustic performance gains. Automated control of differential pressure provides your house with a proper volume of air and, in addition, considerably reduces thermal. Through Frame Trickle Ventilators, Acoustic Trickle Ventilators and Vent-A-Matic provide options to suit a range of needs. Slot Size: 2no x 13-17 x 135mm. Trickle vents are activated with a single finger and provides passive. An alternative is to install acoustic trickle vents. 55,000mm² equivalent area and space on the window profiles can sometimes be an issue. 125 months. Airflow, acoustic properties and test standards. View. High performance acoustic vents such as Titon’s SF Xtra Sound Attenuator, are also said to offer vastly improved levels of sound attenuation. Ventilation is routed over the frame or head of the window. The Acoustic Energy Saver Humidity Sensitive (TVES4dB) and the Acoustic Low Profile (TVALdB450 and (TVALdB800) reduce sound travelling through the vent, whilst allowing ventilation into the property. As one of the market leaders in tile ventilator manufacture in the UK, Glidevale Protect’s range has been collated for over 35 years and includes hundreds of dedicated profiled tile ventilators matching almost. If you’re interested in noise reduction glass, consider our Comfort and Comfort Plus ranges from Planitherm. Acoustic lining reduces sound by 38dB with internal grille fully open and 39dB when closed. View. Ones which are. Tel:. It can be installed over a 13mm. Helps to prevent mould and mildew. This includes products such as the surface mountable SM Acoustic window vent, which offers an acoustic reduction of up to 40dB while open. 0800 970 4190. Decentralised Mechanical Ventilation Unit (dMEV) View. AtomicRitual · 07/12/2022 18:18. | sales@windowware. Our cutting-edge technology is used to assist people in their needs to curb noise pollution and to enjoy peace and quiet. Our 3. The Acoustic Energy Saver Humidity Sensitive Trickle Ventilator (TVES4dB) is perfect for use in built up areas nearby busy roads and motorways. A trickle vent is a device usually fitted at the top of a window that allows fresh air to circulate naturally through a room, and allows polluted air out. 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. Product face sheet. TTF Slimline Ventilator. Features & benefits. Ventsys Trickle Vents – Free Shipping. 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. Reattach the air vent covers and you. Trickle Vents - Flush Fit (White - 300mm) £ 5. The units are logarithmic, decibels (dB), so a factor of 30 would be 1,000 times below ambient acoustic noise (over some assumed frequency range). The comprehensive range of window ventilators provide solutions for all types of application. Durable, easy to fit and fully tested. Learn More . 2 Acoustic Modules. BPD Store stocks Passivent’s range of window tricklevents.