HVAC Know It All Podcast

HVAC Heat Recovery Systems for Buildings That Replace Boilers and Reduce Costs with David Kim Part 2

July 30, 2026·20 min
Episode Description from the Publisher

In this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with David Kim, Engineering Manager at LG Electronics, about advanced VRF technology and new heating and cooling solutions. David explains how LG's Hydro Kit works for hydronic heating and domestic hot water, along with water communication kits for larger systems. The discussion also covers chiller applications, data center cooling, cold climate residential heat pumps, dual fuel systems, smart thermostat controls, and AI features that improve system performance and energy efficiency. Gary and David discuss LG's latest VRF solutions and how they can improve heating, cooling, and hot water applications. David explains how the Hydro Kit and water communication kit support hydronic systems, along with their use in boiler replacement projects. The conversation also covers chiller solutions for larger applications, residential cold climate heat pumps, dual fuel systems, smart thermostat controls, and AI features that help improve efficiency and overall system performance. Expect to Learn: How LG's Hydro Kit supports hydronic heating and domestic hot water applications. How water communication kits expand VRF capacity for small and large projects. Why chillers are a better choice for large data center cooling applications. How LG cold climate heat pumps and dual fuel systems improve residential heating. How LG's smart controls, ThinkQ app, and AI features help improve system performance and efficiency.   Episode Highlights:  [00:00] - Sponsor: Factory Direct Filters ad [00:42] - Intro to David Kim in Part 02  [02:06] - Hydro kit explained: air-to-water, mid-temp vs high-temp (up to 176°F) [03:45] - Replacing boilers & water communication kit (1 to 32 ton capacity) [06:49] - LG chiller lineup for data centres & large applications [11:07] - Residential cold climate heat pumps: Deluxe unit works at -35°C [15:03] - Dual fuel systems: 24V control vs LG thermostat with EIM for true variable speed [18:11] - AI snow removal feature using AccuWeather data   This Episode is Kindly Sponsored by: Cintas: https://www.cintas.com/hvacknowitall Cool Air Products: https://www.coolairproducts.net/ Factory Direct Filters: https://www.factorydirectfilters.com/ SupplyHouse: https://www.supplyhouse.com/tm Use promo code HKIA5 to get 5% off your first order at Supplyhouse!   Follow the Guest David Kim on: LinkedIn Profile: https://www.linkedin.com/in/david-kim-156b9878/  LinkedIn - LG Electronics: https://www.linkedin.com/company/lg-electronics    Follow the Host on: LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/  LinkedIn - HVAC Know It All Inc.: https://www.linkedin.com/company/hvac-know-it-all-inc Website: https://www.hvacknowitall.com Facebook: <a href= "https://www.facebook.com/people/HVAC-Know-It-

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