RSF – 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”)
Technical Details
PERFORMANCE Firebox Size

2.1 cu ft

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

Firewood Length EPA tested with 12″ & 16″ logs, can accept up to 18″ logs Glass Viewing Area 241 in2
20 ½” W x 11 ¾” H EPA Certification 1.49g/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

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      PERFORMANCE Firebox Size

      2.1 cu ft

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

      Firewood Length EPA tested with 12″ & 16″ logs, can accept up to 18″ logs Glass Viewing Area 241 in2
      20 ½” W x 11 ¾” H EPA Certification 1.49g/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

      Additional information

      Brand

      RSF

      Product Type

      Insert

      Fuel Type

      Wood

      Design Style

      Contemporary