# Event Details - **Event Name**: Build your own airtightness in-window fan: Supercharge your retrofit! - **Event Start and End Date**: Sat, 28 Mar, 2026 at 02:30 pm – Sat, 28 Mar, 2026 at 05:30 pm - **Event Description**: We supply all the PAT tested, CE rated components and tools plus the support to help you make and use your own airtightness measurement toolAbout this EventFunded by Cambridge City Council.Join this practical workshop to make your own airtightness in-window fan which does the basic job of a Blower Door test at a fraction of the cost. You will leave with your own measurement tool and the skills and confidence to use it to find the hidden leaks in your property and make your home more airtight.We also offer FREE observer places for this workshop for people to gain information and understanding of airtightness and how to test for it.We supply all the PAT tested, CE rated components and tools plus the training support to help you make and use your own airtightness measurement tool.Cost to fan build attendee: £200 (this fee covers the cost of components to make the fan)This workshop is great for the DIYer or teaching your builder to build airtight on the job. Commercial in-window airtightness fans are available to buy, for around £1400. Why not build your own and learn how to use it in our workshop for £200.So what is this fan and why is it useful. Watch this 2 minute video to find out: https://www.youtube.com/watch?v=iIM7KVAIAM8 - **Event URL**: https://allevents.in/cambridge/build-your-own-airtightness-in-window-fan-supercharge-your-retrofit/100001976715706891 - **Event Categories**: workshops - **Interested Audience**: - total_interested_count: 0 ## Ticket Details - **Ticket Price Range**: min: 0, max: 200, currency: GBP ## Event venue details - **city**: Cambridge - **state**: EN - **country**: United Kingdom - **location**: 28th Cambridge Scout Hut - **lat**: 52.1898665 - **long**: 0.141671 - **full address**: 28th Cambridge Scout Hut, Flamsteed Road, Cambridge, United Kingdom ## Event gallery - **Alt text**: Build your own airtightness in-window fan: Supercharge your retrofit! - **Image URL**: https://cdn-az.allevents.in/events9/banners/58565875b4246fe0a469ce9a93a0695a3956f04b384916661c6c86a353eec2b7-rimg-w1127-h632-dcfffffe-gmir.jpg?v=1770403697 ## FAQs - **Q**: When and where is Build your own airtightness in-window fan: Supercharge your retrofit! being held? - **A:** Build your own airtightness in-window fan: Supercharge your retrofit! takes place on Sat, 28 Mar, 2026 at 02:30 pm to Sat, 28 Mar, 2026 at 05:30 pm at 28th Cambridge Scout Hut, Flamsteed Road, Cambridge, United Kingdom. - **Q**: How much do tickets cost for Build your own airtightness in-window fan: Supercharge your retrofit!? - **A:** Tickets for Build your own airtightness in-window fan: Supercharge your retrofit! are priced at GBP 200 per person. Here's a full breakdown of available ticket types:Ticket TypePriceAvailabilityFan Build AdmissionGBP 200AvailableObserver AdmissionFreeAvailable - **Q**: Who is organizing Build your own airtightness in-window fan: Supercharge your retrofit!? - **A:** Build your own airtightness in-window fan: Supercharge your retrofit! is organized by Cambridge Retrofit Hub, community benefit society. - **Q**: Who is this event for? Is it right for me? - **A:** Build your own airtightness in-window fan: Supercharge your retrofit! is ideal for learners, working professionals, and skill-builders looking to gain hands-on knowledge and practical expertise in a focused, interactive setting. Whether you're a first-time attendee or a longtime enthusiast in Cambridge, this event is thoughtfully curated to deliver a standout experience worth every moment. If Build your own airtightness in-window fan: Supercharge your retrofit! sounds like your kind of event, don't wait - spots fill up fast. ## Structured Data (JSON-LD) ```json [ { "@context": "https://schema.org", "@type": "Event", "name": "Build your own airtightness in-window fan: Supercharge your retrofit!", "image": "https://cdn-az.allevents.in/events9/banners/58565875b4246fe0a469ce9a93a0695a3956f04b384916661c6c86a353eec2b7-rimg-w1127-h632-dcfffffe-gmir.jpg?v=1770403697", "startDate": "2026-03-28", "endDate": "2026-03-28", "url": "https://allevents.in/cambridge/build-your-own-airtightness-in-window-fan-supercharge-your-retrofit/100001976715706891", "location": { "@type": "Place", "name": "28th Cambridge Scout Hut", "address": { "@type": "PostalAddress", "streetAddress": "Flamsteed Road", "postalCode": "CB1 3QU", "addressLocality": "Cambridge", "addressRegion": "EN", "addressCountry": "GB" }, "geo": { "@type": "GeoCoordinates", "latitude": "52.1898665", "longitude": "0.141671" } }, "eventAttendanceMode": "https://schema.org/OfflineEventAttendanceMode", "description": "We supply all the PAT tested, CE rated components and tools plus the support to help you make and use your own airtightness measurement tool", "offers": [ { "@type": "AggregateOffer", "availability": "https://schema.org/InStock", "priceCurrency": "GBP", "availabilityStarts": "2026-04-08", "availabilityEnds": "2026-03-28", "validFrom": "2026-04-08", "lowPrice": "0.00", "highPrice": "200.00", "price": "0.00", "url": "https://allevents.in/cambridge/build-your-own-airtightness-in-window-fan-supercharge-your-retrofit/100001976715706891" }, { "@type": "Offer", "availability": "https://schema.org/InStock", "priceCurrency": "GBP", "availabilityStarts": "2026-04-08", "availabilityEnds": "", "validFrom": "2026-04-08", "url": "https://allevents.in/cambridge/build-your-own-airtightness-in-window-fan-supercharge-your-retrofit/100001976715706891", "price": "200.00", "name": "Fan Build Admission" }, { "@type": "Offer", "availability": "https://schema.org/InStock", "priceCurrency": "GBP", "availabilityStarts": "2026-04-08", "availabilityEnds": "", "validFrom": "2026-04-08", "url": "https://allevents.in/cambridge/build-your-own-airtightness-in-window-fan-supercharge-your-retrofit/100001976715706891", "price": 0, "name": "Observer Admission" } ], "organizer": [ { "@type": "Organization", "name": "Cambridge Retrofit Hub community benefit society", "url": "https://allevents.in/org/cambridge-retrofit-hub-community-benefit-society/27237058", "description": "Cambridge Retrofit Hub is a community benefit society, not-for-profit. We offer a One Stop Shop which looks after all the key stages of a home energy retrofit, from retrofit design through to project completion. We engage leading contractors and experienced retrofit specialists to offer you expert guidance through an often complex process. Our retrofit specialists aim to provide homeowners with peace of mind, quality assurance, and, when the retrofit is complete, the best home possible. We believe that the best way to achieve a comfortable, healthy and low-carbon home is through a whole house retrofit powered by a renewable energy heat pump. In an energy efficient home, insulation, air-tightness, advanced ventilation and a retrofit specialist designed heating system work perfectly together to deliver the best possible energy system for your home.Cambridge Retrofit Hub also works in the community providing training and home energy advice to tenants and landlords as well as homeowners. We offer training and support to anyone who wants to become a home energy advisor and community energy champion. We are committed to enabling everyone to live in comfortable, healthy and energy efficient homes and reducing our load on planetary resources.You can find us at our Repair Cafe with The Cambridge Room, in Cambridge's Grafton Centre, the first Saturday morning of the month where our qualified Home Energy Advisors can support you with initial advice.(Please note that we are closed from 20th December to 4th January)" } ] } ] ```