Overview
Introducing the Ventis HEI90 Wood Fireplace Insert, where innovation meets compact design. Its tapered top allows it to effortlessly fit into smaller fireplaces, transforming any space into a warm and cozy haven. Equipped with a 90 CFM premium blower, this insert guarantees efficient heat distribution throughout your living area. Powered by non-catalytic combustion technology, the HEI90 boasts an impressive 7-hour maximum burn time and an optimum efficiency of 82%, ensuring sustained warmth and fuel savings. Its versatility is matched by convenience – accommodating logs up to 17 inches, flue size of 6 inches, and a minimum flue height of 12 ft.
The Ventis HEI90 qualifies for a biomass stove tax credit! What does that mean? How do you take advantage of this credit? Please see our blog explaining the process.
Wood-burning inserts must only be installed inside an existing masonry fireplace and never in a wooden or combustible structure.
Features:
- Small-sized wood insert suitable for tighter spaces
- Tapered shape (top and sides) that simplifies installation in small masonry hearths
- Glass air wash system for a cleaner view of the flames
- EPA certified
- Best-in-class performance with an efficiency rate of 75%
- C-Cast heat shield added to the firestop
- Non-catalytic combustion technology
- Cast iron door
- 90 CFM blower with right/left power cord
Specifications:
- Overall Dimensions: 27 7/8" W x 20 1/8" H x 20" D
- Minimum fireplace opening: 19" H x 25" W x 15 1/2" D
- Firebox Dimensions: 16 3/4" W x 8 7/8" H x 12 3/8" D
- Door Opening: 18 1/4" W x 7 7/8" H
- 45,000 BTUs
- 1.1 cu. ft. firebox
- 250 - 1,200 sq. ft. heating capacity
- Optimum efficiency: 82%
- Emissions: 1.5 g/h
- Maximum log length: 17''
- Flue diameter: 6''

Product Resources
Introducing the Ventis HEI90 Wood Fireplace Insert, where innovation meets compact design. Its tapered top allows it to effortlessly fit into smaller fireplaces, transforming any space into a warm and cozy haven. Equipped with a 90 CFM premium blower, this insert guarantees efficient heat distribution throughout your living area. Powered by non-catalytic combustion technology, the HEI90 boasts an impressive 7-hour maximum burn time and an optimum efficiency of 82%, ensuring sustained warmth and fuel savings. Its versatility is matched by convenience – accommodating logs up to 17 inches, flue size of 6 inches, and a minimum flue height of 12 ft.
The Ventis HEI90 qualifies for a biomass stove tax credit! What does that mean? How do you take advantage of this credit? Please see our blog explaining the process.
Wood-burning inserts must only be installed inside an existing masonry fireplace and never in a wooden or combustible structure.
Features:
- Small-sized wood insert suitable for tighter spaces
- Tapered shape (top and sides) that simplifies installation in small masonry hearths
- Glass air wash system for a cleaner view of the flames
- EPA certified
- Best-in-class performance with an efficiency rate of 75%
- C-Cast heat shield added to the firestop
- Non-catalytic combustion technology
- Cast iron door
- 90 CFM blower with right/left power cord
Specifications:
- Overall Dimensions: 27 7/8" W x 20 1/8" H x 20" D
- Minimum fireplace opening: 19" H x 25" W x 15 1/2" D
- Firebox Dimensions: 16 3/4" W x 8 7/8" H x 12 3/8" D
- Door Opening: 18 1/4" W x 7 7/8" H
- 45,000 BTUs
- 1.1 cu. ft. firebox
- 250 - 1,200 sq. ft. heating capacity
- Optimum efficiency: 82%
- Emissions: 1.5 g/h
- Maximum log length: 17''
- Flue diameter: 6''

Education
Introducing the Ventis HEI90 Wood Fireplace Insert, where innovation meets compact design. Its tapered top allows it to effortlessly fit into smaller fireplaces, transforming any space into a warm and cozy haven. Equipped with a 90 CFM premium blower, this insert guarantees efficient heat distribution throughout your living area. Powered by non-catalytic combustion technology, the HEI90 boasts an impressive 7-hour maximum burn time and an optimum efficiency of 82%, ensuring sustained warmth and fuel savings. Its versatility is matched by convenience – accommodating logs up to 17 inches, flue size of 6 inches, and a minimum flue height of 12 ft.
The Ventis HEI90 qualifies for a biomass stove tax credit! What does that mean? How do you take advantage of this credit? Please see our blog explaining the process.
Wood-burning inserts must only be installed inside an existing masonry fireplace and never in a wooden or combustible structure.
Features:
- Small-sized wood insert suitable for tighter spaces
- Tapered shape (top and sides) that simplifies installation in small masonry hearths
- Glass air wash system for a cleaner view of the flames
- EPA certified
- Best-in-class performance with an efficiency rate of 75%
- C-Cast heat shield added to the firestop
- Non-catalytic combustion technology
- Cast iron door
- 90 CFM blower with right/left power cord
Specifications:
- Overall Dimensions: 27 7/8" W x 20 1/8" H x 20" D
- Minimum fireplace opening: 19" H x 25" W x 15 1/2" D
- Firebox Dimensions: 16 3/4" W x 8 7/8" H x 12 3/8" D
- Door Opening: 18 1/4" W x 7 7/8" H
- 45,000 BTUs
- 1.1 cu. ft. firebox
- 250 - 1,200 sq. ft. heating capacity
- Optimum efficiency: 82%
- Emissions: 1.5 g/h
- Maximum log length: 17''
- Flue diameter: 6''






