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Available for order!
FOCUS 3600i Insert

Introducing a new chapter for the RSF brand. The Focus 3600i is the very first fireplace insert developed by RSF. Its quality construction, low emissions, and high efficiency embody over 30 years of quality fireplace construction and experience.

  • Clean, modern styling
  • Easy to install
  • Certified to NSPS 2020 at 1.49 g/hr
  • Detachable flue collar with pull handle
  • Optional heat activated internal blower
  • Optional oversized backing plate (42” x 30”)

Documents and Specs

Focus 3600i Insert

Note: The installation manual should always be used for the precise planning and accurate installation of your fireplace.

PERFORMANCE
Firebox Size

2.1 cu ft

Based on overall firebox dimensions, EPA firebox volume per certification testing is 1.6 cubic feet.

Firewood LengthEPA tested with 12″ & 16″ logs, can accept up to 18″ logs
Glass Viewing Area241 in2
20 ½” W x 11 ¾” H
EPA Certification1.49g/h
BTU Output

44,135 BTU/h

Based on EPA certification testing using cordwood and calculations from CSA B415.1-10

BTU Maximum

50,000 BTU/h

Based on engineering calculations using firebox volume, efficiency, loading density (12lb/cu ft for hardwood), average humidity, reloading interval, type of installation, etc.

Heating Capacity

800 to 1,500 ft2

Depends primarily on wood quality, ambient air temperature and building heat loss.

Optimal Efficiency

79%

Low Heating Value (LHV) using CSA B415.1-10 calculations.

EPA Average Efficiency

74%

High Heating Value (HHV) using CSA B415.1-10 calculations.

EPA Average CO

1.29 g/min

Carbon Monoxide (CO), using data from EPA crib wood testing

CATALOGS AND BROCHURES
OWNER’S MANUALS
U.S. EPA Certificate
exploded view

A RELIABLE PRODUCT

an exceptional warranty

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WHERE 
TO BUY

Find a dealer near you.

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FAQ

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