Manuals and Resources
We’ve gathered trusted resources from the manufacturer to help you explore how this product performs, installs, and fits into your home.
The RSF Focus 3600Bi Wood Fireplace Insert is ideal for homeowners who:
- Have an existing masonry fireplace they want to convert into an efficient wood-heating system.
- Need approximately 800–1,500 sq. ft. of heating capacity.
- Want the warmth and independence of real wood heat while reducing the drafts associated with an open masonry fireplace.
- Value a large 241 sq. in. fire view in a clean, contemporary insert design.
- Want a non-catalytic, EPA/CSA-certified wood insert with low particulate emissions.
- Prefer an insert that accepts firewood up to 18" long.
- Want the option of a heat-activated internal blower for increased room-air circulation.
- Need optional backing plates to accommodate a larger existing fireplace opening.
- Value Canadian-made fireplace engineering and established RSF craftsmanship.
RSF Focus 3600Bi Features
- Heavy-Duty Welded Steel Firebox – Built for decades of dependable service using heavy-gauge steel construction designed to withstand years of high-temperature operation.
- Detachable Flue Collar with Pull Handle - Designed to simplify connection to the chimney liner during installation.
- EPA 2020 certified clean-burning technology
- Low emissions of approximately 1.7 g/hr
- Large arched viewing glass for an impressive fire view
- Accepts firewood up to 18" in length
- Certified for use with 6" ICC EXCEL chimney systems only
- Up to 75.3% optimal efficiency (LHV)
Specifications
Specifications outline how this appliance fits, performs, and operates in your home, helping ensure safe installation, efficient heating, and lasting comfort.
Available with:
- 6" Chimney Liner — Designed for use with ICC EXCELiner.
- Optional Heat-Activated Internal Blower — Increases heated-air circulation throughout the room and plugs into a nearby electrical outlet.
- 42" × 30⅝" Backing Plate
- 42" × 30⅝" × 1½" Deep Backing Plate
Heating Area
Max BTU
Output BTU
Viewing Area
Firebox Size
Maximum Firewood Length.
HHV EPA average
75.3% LHV
Optimal Efficiency
1.7 g/hr
EPA/CSA Particulate Emissions
*Consult manual for detailed dimensions & clearances.
*Minimum install depth may vary by chosen surround.
Specifications may vary based on selected options.
Not Sure if this is the Right Unit for You?
Buying the right hearth or sauna isn’t just about the product — it’s about understanding your space, your goals, and doing it right the first time.
How Nordic Can Help
Our Proven Process
Refined Choices
Using our expertise, we thoughtfully curate and present the best options tailored specifically to you.
Listen & Understand
We take the time to listen, ask the right questions, and fully understand your home, needs, and goals.
Verify On-Site
We confirm every detail through a technical site visit, ensuring the solution is correct, safe, and code-compliant.
Install With Care
Our experienced installers complete the work with precision, respect, and care for your home.
Service & Support
We provide ongoing service and support to keep your appliance running safely, efficiently and reliably for years to come.
The result? Absolute peace of mind and satisfaction.
Where Comfort Begins
Your home deserves care, craftsmanship, and attention to detail.
Warming hearts and homes, one fire at a time.





