Masonry Heaters & Custom Fireplaces: LRV Emission Limits, VKF 24-15, and EN 15544 Sizing
Practical guide for Swiss stove fitters, fireplace builders, and masonry heating contractors: site-built masonry heaters and bespoke fireplaces per VKF Fire Safety Guideline 24-15, Clean Air Ordinance (LRV) emission limits, thermodynamic sizing per EN 15544, feusuisse/VFFK standards, BKP 247, and NPK 382.