--- title: The Swegon Blog | www.swegon.com/uk | Stefan Lay description: Stefan Lay is the Product Manager for Cooling and Heating at Swegon UK&I. Boasting over 20 years of experience in a range of roles within the HVAC industry, Stefan looks after our cooling and heating product ranges and system solutions, offering technical knowledge and a great level of industry insight. image: https://blog.swegon.com/hubfs/Assets/img/sharing_image_swegon.png --- [![](https://www.swegon.com/Static/img/logo.svg?v=3)](https://www.swegon.com/uk/) Menu - [Solutions & services](https://www.swegon.com/uk/solutions-and-services/) - [Products\>](https://www.swegon.com/uk/products/) - [References & Insights](https://www.swegon.com/uk/references-and-insights/) - [Support & Software](https://www.swegon.com/uk/support/) - [Sustainability](https://www.swegon.com/uk/sustainability/) - [Why Swegon?](https://www.swegon.com/uk/why-swegon/) - [Product Search](https://www.swegon.com/uk/product-search-result/) - [Document Search](https://www.swegon.com/uk/support/find-documents/) - [Careers](https://www.swegon.com/uk/careers/) - United Kingdom - [Contact](https://www.swegon.com/uk/contact/) ## Choose a market [Or visit our global site](https://www.swegon.com) - 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- - [All About Indoor Climate](https://blog.swegon.com/uk) 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/uk/author/stefan-lay) [Stefan Lay](https://blog.swegon.com/uk/author/stefan-lay) Stefan Lay is the Product Manager for Cooling and Heating at Swegon UK&I. Boasting over 20 years of experience in a range of roles within the HVAC industry, Stefan looks after our cooling and heating product ranges and system solutions, offering technical knowledge and a great level of industry insight. ### By topics - [Cooling & Heating (39)](https://blog.swegon.com/uk/tag/cooling-heating) - [Indoor Climate Knowledge (25)](https://blog.swegon.com/uk/tag/indoor-climate-knowledge) - [Air Handling Units (22)](https://blog.swegon.com/uk/tag/air-handling-units) - [Smoke and Fire Dampers (19)](https://blog.swegon.com/uk/tag/smoke-and-fire-dampers) - [Room Units (18)](https://blog.swegon.com/uk/tag/room-units) - [Indoor Climate Knowledge (15)](https://blog.swegon.com/uk/tag/indoor-climate-knowledge) - [sustainability (14)](https://blog.swegon.com/uk/tag/sustainability) - [Energy Efficiency (13)](https://blog.swegon.com/uk/tag/energy-efficiency) - [News (13)](https://blog.swegon.com/uk/tag/news) - [Knowledge (11)](https://blog.swegon.com/uk/tag/knowledge) - [Tips and Advice (11)](https://blog.swegon.com/uk/tag/tips-and-advice) - [Ventilation (10)](https://blog.swegon.com/uk/tag/ventilation) - [Energy Efficiency (8)](https://blog.swegon.com/uk/tag/energy-efficiency) - [Service (6)](https://blog.swegon.com/uk/tag/service) - [Guide (5)](https://blog.swegon.com/uk/tag/guide) - [Humidity (5)](https://blog.swegon.com/uk/tag/humidity) - [Heat pumps (3)](https://blog.swegon.com/uk/tag/heat-pumps) - [Services & Connectivity (3)](https://blog.swegon.com/uk/tag/services-connectivity) - [acoustics (3)](https://blog.swegon.com/uk/tag/acoustics) - [BIM (2)](https://blog.swegon.com/uk/tag/bim) - [Diffusion (2)](https://blog.swegon.com/uk/tag/diffusion) \+ More X Close - [Cooling & Heating](https://blog.swegon.com/uk/tag/cooling-heating) ### [Stefan Lay](https://blog.swegon.com/uk/author/stefan-lay) ## [Free Cooling Potential in UK Climate: Strategies and Pitfalls](https://blog.swegon.com/uk/free-cooling-potential-in-uk-climate-strategies-and-pitfalls) Free cooling isn’t a new concept, but it’s often underutilised, especially in sectors where cooling demands are ever-growing, such as industrial and datacentre cooling. The UK’s cooler average temperatures provide an excellent opportunity to implement free cooling systems, which can significantly … - [Cooling & Heating](https://blog.swegon.com/uk/tag/cooling-heating) ### [Stefan Lay](https://blog.swegon.com/uk/author/stefan-lay) ## [Hydraulic Circuit Requirements – Part 2: A Closer Look at Optimisation and Efficiency](https://blog.swegon.com/uk/hydraulic-circuit-requirements-part-2-a-closer-look-at-optimisation-and-efficiency) In the second instalment of this two-part blog series, we take a closer look at how hydraulic systems can be fine-tuned for greater efficiency and long-term performance. With insights from Stefan Lay, UK Cooling and Heating Product Manager at Swegon, this post explores how temperature differences … - [Cooling & Heating](https://blog.swegon.com/uk/tag/cooling-heating) ### [Stefan Lay](https://blog.swegon.com/uk/author/stefan-lay) ## [Hydraulic Circuit Requirements – Part 1: What You Need to Know](https://blog.swegon.com/uk/hydraulic-circuit-requirements-part-1-what-you-need-to-know) In this two-part blog series, we will take a deep dive into the world of hydraulic circuit requirements. The first blog, presented here, looks at the minimum water volume, how to protect your circuit, installation methods, techniques, tips and tricks, and finally, considering multiple machines. Our … - [Cooling & Heating](https://blog.swegon.com/uk/tag/cooling-heating) ### [Stefan Lay](https://blog.swegon.com/uk/author/stefan-lay) ## [We share five things worth knowing about decarbonising retail stores](https://blog.swegon.com/uk/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, … - [News](https://blog.swegon.com/uk/tag/news) - [Cooling & Heating](https://blog.swegon.com/uk/tag/cooling-heating) ### [Stefan Lay](https://blog.swegon.com/uk/author/stefan-lay) ## [Three wins in a row for Swegon's heat pumps!](https://blog.swegon.com/uk/swegons-heat-pumps-win-acr-news-award-for-third-year-running) For the third consecutive year, Swegon celebrates a win at the ACR News Awards as the OMICRON ZERO is titled Commercial Air Source Heat Pump of the Year. This latest victory adds to Swegon's winning streak, following wins for GEYSER SKY in 2023 and TITAN SKY in 2022. - [Cooling & Heating](https://blog.swegon.com/uk/tag/cooling-heating) ### [Stefan Lay](https://blog.swegon.com/uk/author/stefan-lay) ## [Cutting Carbon With Natural Refrigerants](https://blog.swegon.com/uk/natural-refrigerants-help-cut-carbon-without-compromising-on-occupant-wellbeing) The need to cut carbon emissions in line with government targets, but without compromising on comfort conditions and occupant health & well-being has presented our sector with considerable technical challenges. 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