https://www.openthermalai.com/articles.html Weekly industry briefings and engineering insights from Open Thermal AI en Wed, 05 Aug 2026 13:34:44 GMT https://www.openthermalai.com/briefings/2026-w31.html https://www.openthermalai.com/briefings/2026-w31.html Sun, 02 Aug 2026 00:00:00 GMT EPA TT final rule effective 27 Jul (legacy R-410A install to depletion); grocers RLC/FMI/AFFI/NGA intervene to defend delays; Bosch closes $8bn JCI Home Comfort deal 31 Jul; China FAS 2026/550 + GB 26969 solar DHW labels from 1 Aug; Samsung DVM S2 R32; Mitsubishi Mason OH IT cooling; China 1 Jul ODS week five https://www.openthermalai.com/briefings/2026-w30.html https://www.openthermalai.com/briefings/2026-w30.html Sun, 26 Jul 2026 00:00:00 GMT 19 US states + NYC sue EPA TT rollback (21 Jul); Carrier acquires 75F; Systemair buys Temspec; Keyter R1234ze HTHP to 87°C; Spain ASEDAS vs EIA on F-Gas delay; China 1 Jul cluster week four; EPA TT final rule ~1 day to 27 Jul https://www.openthermalai.com/briefings/2026-w29.html https://www.openthermalai.com/briefings/2026-w29.html Sun, 19 Jul 2026 00:00:00 GMT Daikin NEXIO Max R32 rooftop HP (NA); AHRI May shipments +6.7%; France Qlima R290 monobloc recall (install height); MHI 10 MW data-centre chiller; China 1 Jul cluster week three; EPA TT final rule ~8 days to 27 Jul https://www.openthermalai.com/briefings/2026-w28.html https://www.openthermalai.com/briefings/2026-w28.html Sun, 12 Jul 2026 00:00:00 GMT LG 7/8 108°C industrial heat pump at Ajin P&P; Haier/Swegon/Daikin R290 launches 7/8–10; Mitsubishi UK high-temp policy white paper 7/10; China 1 Jul cluster week two; EPA TT final rule ~15 days to 27 Jul https://www.openthermalai.com/briefings/2026-w27.html https://www.openthermalai.com/briefings/2026-w27.html Sun, 05 Jul 2026 00:00:00 GMT China 1 Jul ODS cluster enters first enforcement week; Supreme Court upholds AIM Act cap-and-trade (22 Jun); HARDI/ACCA/PHCC sue EPA over commercial refrigeration GWP extensions (25 Jun); Systemair Geniox HP DFN R290 AHU (1 Jul); LG Therma V R290 monobloc in Europe https://www.openthermalai.com/briefings/2026-w26.html https://www.openthermalai.com/briefings/2026-w26.html Sun, 28 Jun 2026 00:00:00 GMT Intersolar Europe closes with hybrid PV–storage–heat focus (23–25 Jun); EcoFlow Munich launch: OASIS 3.0 & PowerHeat R290 (22 Jun); World Refrigeration Day Cool Intelligence (26 Jun); China 1 Jul regulatory cluster three-day countdown; MEE 2027 ODS/HFC quota draft still in comment https://www.openthermalai.com/briefings/2026-w25.html https://www.openthermalai.com/briefings/2026-w25.html Sun, 21 Jun 2026 00:00:00 GMT AIM Act CEO sentencing in R-410A import case (17 Jun); HCFC-141b spray ban ten-day countdown (1 Jul); Intersolar Europe opens 23 Jun with GoodWe & Differ Power; EPA Technology Transitions reconsideration commentary (mid-Jun); ASHRAE announces WRD 2026 Cool Intelligence theme (18 Jun) https://www.openthermalai.com/briefings/2026-w24.html https://www.openthermalai.com/briefings/2026-w24.html Sun, 14 Jun 2026 00:00:00 GMT IRN 2026 closes with ammonia vs CO₂ TCO debate (10–11 Jun); MEE 2027 ODS/HFC quota draft zero growth (10 Jun); IEA: heat pumps competitive in 16 EU countries (12 Jun); GoodWe PV-driven heat pumps at SNEC (11 Jun); Differ Power 9-in-1 R290 hub preview (12 Jun) https://www.openthermalai.com/briefings/2026-w23.html https://www.openthermalai.com/briefings/2026-w23.html Sun, 07 Jun 2026 00:00:00 GMT China FAS 2026/550 label rules enter first enforcement week (1 Jun); US DOE ends HEEHR/HOMES fuel-switching rebates (29 May); Danfoss €10M Reyrieux expansion at Choose France (1 Jun); HFC quota tight balance (4 Jun); AHRI CEO Yurek to retire 2027 (4 Jun) https://www.openthermalai.com/briefings/2026-w22.html https://www.openthermalai.com/briefings/2026-w22.html Sun, 31 May 2026 00:00:00 GMT 15th IEA HPC Vienna closes with 800+ delegates; EHPA re-elects Crombez & Rittinger Award; China FAS 2026/550 in force 1 Jun; US EPA relaxes AIM Act HFC transitions (26 May); Singapore NEA GWP≤150 from Jul 2027 https://www.openthermalai.com/briefings/2026-w21.html https://www.openthermalai.com/briefings/2026-w21.html Sun, 24 May 2026 00:00:00 GMT EU IF25 Heat Auction ~€400M awards; EHPA Q1 2026 Europe heat-pump rebound; China energy-label catalog 2026 from 1 Jun; Vienna IEA HPC opens 26 May; site standards quick reference updated 22 May https://www.openthermalai.com/insights/extreme-testing-moat.html https://www.openthermalai.com/insights/extreme-testing-moat.html Mon, 01 Sep 2025 00:00:00 GMT Claim: Everyone claims 160°C capability, but few can prove it. Reality: The future belongs to those who build CNAS-level infrastructure to verify R744/Steam systems under extreme load boundaries. Prin https://www.openthermalai.com/insights/screw-seizure-tolerance.html https://www.openthermalai.com/insights/screw-seizure-tolerance.html Sat, 01 Jun 2024 00:00:00 GMT Misconception: Normal oil level (60%+) ≠ effective lubrication. Simply replacing bearings cannot solve "critical friction". Truth: Deep disassembly revealed that a certain series of heavy-duty models https://www.openthermalai.com/insights/liquid-trap-45c.html https://www.openthermalai.com/insights/liquid-trap-45c.html Sun, 01 Oct 2023 00:00:00 GMT Initial Diagnosis: Multiple large compressors seized and were initially blamed on manufacturing defects. Root Cause: After 5 site inspections, I traced the root cause not to the machine, but to the sy