--- title: The Swegon Blog | www.swegon.com | Stefan Lay description: Stefan Lay is the Product Manager for Cooling and Heating at Swegon UK&I. Boasting over 20 years of experience within the HVAC industry Stefan offers a great level of technical knowledge. image: https://blog.swegon.com/hubfs/linkedinhubspot.png --- [![](https://www.swegon.com/Static/img/logo.svg?v=3)](https://www.swegon.com/) Menu - [Solutions & services](https://www.swegon.com/solutions-and-services/) - [Products](https://www.swegon.com/products/) - [References & Insights](https://www.swegon.com/references-and-insights/) - [Support & software](https://www.swegon.com/support/) - [Sustainability](https://www.swegon.com/sustainability/) - [Why Swegon?](https://www.swegon.com/why-swegon/) - [Product Search](https://www.swegon.com/product-search-result/) - [Document Search](https://www.swegon.com/support/find-documents/) - [Career](https://www.swegon.com/career/) - Global - [Contact](https://www.swegon.com/contact/) ## Choose a market [Or visit our global site](https://www.swegon.com) - [Belgium - French](https://www.swegon.com/fr-be/) - [Belgium - Dutch](https://www.swegon.com/nl-be/) - 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[Energy Efficiency (23)](https://blog.swegon.com/en/tag/energy-efficiency) - [Room Units (21)](https://blog.swegon.com/en/tag/room-units) - [Heat Pumps (12)](https://blog.swegon.com/en/tag/heat-pumps) - [Acoustics (9)](https://blog.swegon.com/en/tag/acoustics) - [Optimisation Systems (9)](https://blog.swegon.com/en/tag/optimisation-systems) - [Services & Connectivity (8)](https://blog.swegon.com/en/tag/services-connectivity) - [Humidity (7)](https://blog.swegon.com/en/tag/humidity) - [Renovation (6)](https://blog.swegon.com/en/tag/renovation) - [Schools (4)](https://blog.swegon.com/en/tag/schools) - [Software (4)](https://blog.swegon.com/en/tag/software) - [BIM (3)](https://blog.swegon.com/en/tag/bim) - [Gender Equality (3)](https://blog.swegon.com/en/tag/gender-equality) - [Air Quality (2)](https://blog.swegon.com/en/tag/air-quality) - [Residential (1)](https://blog.swegon.com/en/tag/residential) \> Fler ### By authors - [![Alberto Ferrandi](https://blog.swegon.com/hs-fs/hubfs/Bild%20alberto.png?width=75&name=Bild%20alberto.png) Alberto Ferrandi 6](https://blog.swegon.com/en/author/alberto-ferrandi) - [![Alberto Frison](https://blog.swegon.com/hs-fs/hubfs/alberto.jpg?width=75&name=alberto.jpg) Alberto Frison 2](https://blog.swegon.com/en/author/alberto-frison) - [![Alessandro Lora](https://blog.swegon.com/hs-fs/hubfs/lora.webp?width=75&name=lora.webp) Alessandro Lora 3](https://blog.swegon.com/en/author/alessandro-lora) - [![Alessandro Pinato](https://blog.swegon.com/hs-fs/hubfs/alessandro.webp?width=75&name=alessandro.webp) Alessandro Pinato 9](https://blog.swegon.com/en/author/alessandro-pinato) - [![Anders Jakobsson](https://blog.swegon.com/hs-fs/hubfs/Anders%20Jacobsson_4.jpg?width=75&name=Anders%20Jacobsson_4.jpg) Anders Jakobsson 3](https://blog.swegon.com/en/author/anders-jakobsson) - [![Andreas Söderholm](https://blog.swegon.com/hs-fs/hubfs/andreassoderholm.webp?width=75&name=andreassoderholm.webp) Andreas Söderholm 1](https://blog.swegon.com/en/author/andreas-söderholm) - [![Andreas Örje Wellstam](https://blog.swegon.com/hs-fs/hubfs/andreas-orje-wellstam.webp?width=75&name=andreas-orje-wellstam.webp) Andreas Örje Wellstam 5](https://blog.swegon.com/en/author/andreas-örje-wellstam) - [![Anna Sundell](https://blog.swegon.com/hs-fs/hubfs/Anna.jpg?width=75&name=Anna.jpg) Anna Sundell 1](https://blog.swegon.com/en/author/anna-sundell) - [![Bastien Stocq](https://blog.swegon.com/hs-fs/hubfs/Bastien.png?width=75&name=Bastien.png) Bastien Stocq 1](https://blog.swegon.com/en/author/bastien-stocq) - [![Björn Erlingsson](https://blog.swegon.com/hs-fs/hubfs/bjornerling.png?width=75&name=bjornerling.png) Björn Erlingsson 1](https://blog.swegon.com/en/author/björn-erlingsson) - [![Börje Lehrman](https://blog.swegon.com/hs-fs/hubfs/Blog%20Authors/SE-SV%20-%20PRO%20-%20BACV/B%C3%B6rje_Lehrman.jpg?width=75&name=B%C3%B6rje_Lehrman.jpg) Börje Lehrman 3](https://blog.swegon.com/en/author/börje-lehrman) - [![Caroline Jacobsson](https://blog.swegon.com/hs-fs/hubfs/Blog%20Authors/Caroline%20Jacobsson.jpg?width=75&name=Caroline%20Jacobsson.jpg) Caroline Jacobsson 9](https://blog.swegon.com/en/author/caroline-jacobsson) - [![Elvis Kokot](https://blog.swegon.com/hs-fs/hubfs/elviskokot.png?width=75&name=elviskokot.png) Elvis Kokot 1](https://blog.swegon.com/en/author/elvis-kokot) - [![Fabio Polo](https://blog.swegon.com/hs-fs/hubfs/Fabio%20Polo-1.jpg?width=75&name=Fabio%20Polo-1.jpg) Fabio Polo 9](https://blog.swegon.com/en/author/fabio-polo) - [![Francesco Artusi](https://blog.swegon.com/hs-fs/hubfs/Francesco%20Artusi%20CUT.jpg?width=75&name=Francesco%20Artusi%20CUT.jpg) Francesco Artusi 1](https://blog.swegon.com/en/author/francesco-artusi) - [![François Jouvray](https://blog.swegon.com/hs-fs/hubfs/francois%20Jouvray2.jpg?width=75&name=francois%20Jouvray2.jpg) François Jouvray 1](https://blog.swegon.com/en/author/françois-jouvray) - [![Fredrik Truedson](https://blog.swegon.com/hs-fs/hubfs/Swegon%20SE%20-%20Nyheter/Fredrik%20Truedson_hs.jpg?width=75&name=Fredrik%20Truedson_hs.jpg) Fredrik Truedson 1](https://blog.swegon.com/en/author/fredrik-truedson) - [![Jan Scheuring](https://blog.swegon.com/hs-fs/hubfs/Photo_Jan-1.jpeg?width=75&name=Photo_Jan-1.jpeg) Jan Scheuring 3](https://blog.swegon.com/en/author/jan-scheuring) - [![John Wibrand](https://blog.swegon.com/hs-fs/hubfs/John%20Wibrand.jpg?width=75&name=John%20Wibrand.jpg) John Wibrand 2](https://blog.swegon.com/en/author/john-wibrand) - [![Josh Emerson](https://blog.swegon.com/hs-fs/hubfs/Josh_Emerson_Headshot.jpg?width=75&name=Josh_Emerson_Headshot.jpg) Josh Emerson 1](https://blog.swegon.com/en/author/josh-emerson) - [![Lars Norrdal](https://blog.swegon.com/hs-fs/hubfs/Blog%20Authors/SWEGON%20henkilo%E2%95%A0%C3%AAsto%E2%95%A0%C3%AAkuvat%2020190786.jpg?width=75&name=SWEGON%20henkilo%E2%95%A0%C3%AAsto%E2%95%A0%C3%AAkuvat%2020190786.jpg) Lars Norrdal 1](https://blog.swegon.com/en/author/lars-norrdal) - [![Luca Filippetto](https://blog.swegon.com/hs-fs/hubfs/Luca%20Filippetto%20Hubspot.jpg?width=75&name=Luca%20Filippetto%20Hubspot.jpg) Luca Filippetto 4](https://blog.swegon.com/en/author/luca-filippetto) - [![Luca Zordan](https://blog.swegon.com/hs-fs/hubfs/lucazordan.png?width=75&name=lucazordan.png) Luca Zordan 1](https://blog.swegon.com/en/author/luca-zordan) - [![Magnus Andersson](https://blog.swegon.com/hs-fs/hubfs/magnus%20andersson_550x550%20(1).jpg?width=75&name=magnus%20andersson_550x550%20(1).jpg) Magnus Andersson 1](https://blog.swegon.com/en/author/magnus-andersson) - [![Malin Höij](https://blog.swegon.com/hs-fs/hubfs/malinh.webp?width=75&name=malinh.webp) Malin Höij 5](https://blog.swegon.com/en/author/malin-höij) - [![Markus Schomaker](https://blog.swegon.com/hs-fs/hubfs/Dr.-Ing.%20Markus%20Schomaker_Quadratisch.jpg?width=75&name=Dr.-Ing.%20Markus%20Schomaker_Quadratisch.jpg) Markus Schomaker 2](https://blog.swegon.com/en/author/markus) - [![Martin Ottersten](https://blog.swegon.com/hs-fs/hubfs/Blog%20Authors/Martin_Ottersten.jpg?width=75&name=Martin_Ottersten.jpg) Martin Ottersten 4](https://blog.swegon.com/en/author/martin-ottersten) - [![Mike Ward](https://blog.swegon.com/hs-fs/hubfs/Michael_Ward_photo.jpg?width=75&name=Michael_Ward_photo.jpg) Mike Ward 5](https://blog.swegon.com/en/author/michael-ward) - [![Mikael Börjesson](https://blog.swegon.com/hs-fs/hubfs/Blog%20Authors/Mikael%20B%C3%B6rjesson.jpg?width=75&name=Mikael%20B%C3%B6rjesson.jpg) Mikael Börjesson 30](https://blog.swegon.com/en/author/mikael-börjesson) - [![Mirko Sauvan](https://blog.swegon.com/hs-fs/hubfs/Swegon_Mirko%20Sauvan_web_3.jpg?width=75&name=Swegon_Mirko%20Sauvan_web_3.jpg) Mirko Sauvan 2](https://blog.swegon.com/en/author/mirko-sauvan-1) - [![Nicklas Svensson](https://blog.swegon.com/hs-fs/hubfs/NicklasSvenssonClose.png?width=75&name=NicklasSvenssonClose.png) Nicklas Svensson 1](https://blog.swegon.com/en/author/nicklas-svensson) - [![Niklas Jacobsson](https://blog.swegon.com/hs-fs/hubfs/authorniklas.png?width=75&name=authorniklas.png) Niklas Jacobsson 2](https://blog.swegon.com/en/author/niklas-jacobsson) - [![Paola Moschini](https://blog.swegon.com/hs-fs/hubfs/forfattare.webp?width=75&name=forfattare.webp) Paola Moschini 1](https://blog.swegon.com/en/author/paola-moschini) - [![Philip Wikström](https://blog.swegon.com/hs-fs/hubfs/Philip_Andersson_pressbild_small_webb.jpg?width=75&name=Philip_Andersson_pressbild_small_webb.jpg) Philip Wikström 4](https://blog.swegon.com/en/author/philip-wikstrom) - [![Robert Siverby](https://blog.swegon.com/hs-fs/hubfs/MicrosoftTeams-image%20(3)-4.png?width=75&name=MicrosoftTeams-image%20(3)-4.png) Robert Siverby 1](https://blog.swegon.com/en/author/robert-siverby) - [![Stefan Lay](https://blog.swegon.com/hs-fs/hubfs/1517033472060.jpg?width=75&name=1517033472060.jpg) Stefan Lay 1](https://blog.swegon.com/en/author/stefan-lay) - [![Swegon](https://blog.swegon.com/hs-fs/hubfs/swegsw-1.png?width=75&name=swegsw-1.png) Swegon 3](https://blog.swegon.com/en/author/swegon) - [![Timo Schreck](https://blog.swegon.com/hs-fs/hubfs/Timo%20Schreck.jpg?width=75&name=Timo%20Schreck.jpg) Timo Schreck 2](https://blog.swegon.com/en/author/timo-schreck) - [![Tobias Nordström](https://blog.swegon.com/hs-fs/hubfs/TobiasNordstromPHOTO.jpg?width=75&name=TobiasNordstromPHOTO.jpg) Tobias Nordström 5](https://blog.swegon.com/en/author/tobias-nordström) - [![Tomi Laakso](https://blog.swegon.com/hs-fs/hubfs/Blog%20Authors/TomiLaakso.jpg?width=75&name=TomiLaakso.jpg) Tomi Laakso 1](https://blog.swegon.com/en/author/tomi-laakso) - [![Tony Olsson](https://blog.swegon.com/hs-fs/hubfs/Tony%20Olsson.webp?width=75&name=Tony%20Olsson.webp) Tony Olsson 6](https://blog.swegon.com/en/author/tony-olsson) - [![Tony Pettersson](https://blog.swegon.com/hs-fs/hubfs/tonyp.jpg?width=75&name=tonyp.jpg) Tony Pettersson 1](https://blog.swegon.com/en/author/tony-pettersson) - [![Welat Han](https://blog.swegon.com/hs-fs/hubfs/Welat%20Han.jpg?width=75&name=Welat%20Han.jpg) Welat Han 3](https://blog.swegon.com/en/author/welat-han) - [![William Lawrance](https://blog.swegon.com/hs-fs/hubfs/William2.jpg?width=75&name=William2.jpg) William Lawrance 12](https://blog.swegon.com/en/author/william-lawrance) - [![Åsa Norén-Lundh](https://blog.swegon.com/hs-fs/hubfs/A%CC%8Asa%20Nore%CC%81n-Lundh.webp?width=75&name=A%CC%8Asa%20Nore%CC%81n-Lundh.webp) Åsa Norén-Lundh 6](https://blog.swegon.com/en/author/åsa-norén-lundh) - [![Åse Esselius](https://blog.swegon.com/hs-fs/hubfs/%C3%85seEsseliusClose.png?width=75&name=%C3%85seEsseliusClose.png) Åse Esselius 1](https://blog.swegon.com/en/author/åse-esselius) Explore - - - [The Swegon Blog](https://blog.swegon.com/en) Subscribe Explore Share Subscribe # The Swegon blog – Everything about indoor climate Our experts at Swegon have for years shared their knowledge and skills in the format of enlightening blog posts about ventilation, heating and cooling. With different angles of approach, a wide variety of indoor climate related topics have been presented and explained with sincere engagement and broadmindedness. Below you find more than 100 blog posts, and we are constantly adding new ones, in our aspiration to build knowledge about indoor climate – within, as well as outside, the building industry. Click on the pre-set tags, or use the filter function under "Explore" to narrow down the number of posts to a selection that is relevant to your interest or that will give you new and useful insights. [![Stefan Lay](https://blog.swegon.com/hs-fs/hubfs/1517033472060.jpg?width=200&height=200&name=1517033472060.jpg)](https://blog.swegon.com/en/author/stefan-lay) [Stefan Lay](https://blog.swegon.com/en/author/stefan-lay) Stefan Lay is the Product Manager for Cooling and Heating at Swegon UK&I. Boasting over 20 years of experience within the HVAC industry Stefan offers a great level of technical knowledge. ### By topics - [Indoor Climate Knowledge (56)](https://blog.swegon.com/en/tag/indoor-climate-knowledge) - [Cooling & Heating (27)](https://blog.swegon.com/en/tag/cooling-heating) - [Air Handling Units (26)](https://blog.swegon.com/en/tag/air-handling-units) - [Sustainability (24)](https://blog.swegon.com/en/tag/sustainability) - [Energy Efficiency (23)](https://blog.swegon.com/en/tag/energy-efficiency) - [Room Units (21)](https://blog.swegon.com/en/tag/room-units) - [Heat Pumps (12)](https://blog.swegon.com/en/tag/heat-pumps) - [Acoustics (9)](https://blog.swegon.com/en/tag/acoustics) - [Optimisation Systems (9)](https://blog.swegon.com/en/tag/optimisation-systems) - [Services & Connectivity (8)](https://blog.swegon.com/en/tag/services-connectivity) - [Humidity (7)](https://blog.swegon.com/en/tag/humidity) - [Renovation (6)](https://blog.swegon.com/en/tag/renovation) - [Schools (4)](https://blog.swegon.com/en/tag/schools) - [Software (4)](https://blog.swegon.com/en/tag/software) - [BIM (3)](https://blog.swegon.com/en/tag/bim) - [Gender Equality (3)](https://blog.swegon.com/en/tag/gender-equality) - [Air Quality (2)](https://blog.swegon.com/en/tag/air-quality) - [Residential (1)](https://blog.swegon.com/en/tag/residential) \+ More X Close - [Cooling & Heating](https://blog.swegon.com/en/tag/cooling-heating) ### [Stefan Lay](https://blog.swegon.com/en/author/stefan-lay) ## [We share five things worth knowing about decarbonising retail stores](https://blog.swegon.com/en/we-share-five-things-worth-to-know-about-decarbonising-retail-stores) A majority of the world's buildings face an increasing pressure to reduce its carbon footprint. The key priority in a decarbonisation strategy differs between countries and regions, and depends on various building characteristics and use scenarios. Stefan Lay, Product Manager Cooling & Heating, … By topics Get updates from the blog directly to your inbox. #### Get to know us - [Why Swegon?](https://www.swegon.com/why-swegon/) - [Solutions & services](https://www.swegon.com/solutions-and-services/) - [Products](https://www.swegon.com/products/) - [References & Insights](https://www.swegon.com/references-and-insights/) - [Support & Software](https://www.swegon.com/support/) - [Sustainability](https://www.swegon.com/sustainability/) #### More Swegon - [About us](https://www.swegon.com/about-swegon/) - [Our Brands](https://www.swegon.com/about-swegon/our-brands/) - [News](https://blog.swegon.com/en/news) - [For suppliers](https://www.swegon.com/for-suppliers/) - [The Swegon Blog](https://blog.swegon.com/en) - [Swegon Air Academy](https://www.swegonairacademy.com/en/) #### Subscribe to The Swegon Blog [![](https://www.swegon.com/siteassets/logos/logo.svg?v=1620107735)](https://www.swegon.com/) Swegon Group AB, JA Wettergrens gata 7, SE-421 30 Västra Frölunda, Tel +46 (0)31-89 58 00, Fax +46 (0)31-89 94 69, info@swegon.com - [Privacy statement](https://www.swegon.com/privacy-policy/) - [Cookies](https://www.swegon.com/cookies/) - [Processing personal data](https://www.swegon.com/privacy-policy/processing-personal-data/) - [![Youtube](https://www.swegon.com/Static/img/youtube.svg)](https://www.youtube.com/user/SwegonAB) - [![Linkedin](https://www.swegon.com/Static/img/linkedin.svg)](https://www.linkedin.com/company/swegon-ab/) - [![Facebook](https://www.swegon.com/Static/img/facebook.svg)](https://www.facebook.com/swegongroup)