FOCUS 3600Bi Insert

The RSF Focus 3600Bi Wood Fireplace Insert marks a new chapter for RSF as the brand’s first-ever fireplace insert. Built on more than 30 years of fireplace manufacturing experience, the Focus 3600Bi combines modern styling, high efficiency, and low emissions to deliver reliable wood-burning performance. Its clean, contemporary design enhances both traditional and modern interiors, while its straightforward installation process makes it an excellent choice for upgrading an existing masonry fireplace.

Engineered for efficiency and comfort, the Focus 3600Bi is EPA certified at just 1.7 g/h of emissions and achieves up to 75.3% optimal efficiency. With heating capabilities ranging from 800 to 1,500 square feet and a maximum output of 50,000 BTU/h, it provides dependable warmth for a variety of living spaces. The insert features a spacious firebox that accommodates logs up to 18 inches in length, a large ceramic glass viewing area for an impressive fire display, and optional accessories such as a heat-activated internal blower and oversized backing plate for enhanced performance and installation flexibility.