Ventis HEI240 Wood Fireplace Insert — Efficient Heating with Modern Elegance | 2.4 ft³ Firebox | Up to 2,100 ft² Coverage
Upgrade your existing masonry fireplace with the HEI240 — a powerful, stylish, and EPA-certified wood-burning insert from Ventis. With a large 2.4 ft³ firebox, this unit is engineered to heat areas up to 2,100 square feet, making it ideal for medium to large living spaces. Enjoy longer, more efficient burns with a maximum heat output of 75,000 BTU/h and burn times of up to 8 hours.
This fireplace insert comes equipped with a heavy-duty cast iron door and large ceramic glass window (16 7/8" x 10 1/4") that offers a stunning view of the flames, while the integrated 144 CFM blower circulates warm air throughout your room for consistent comfort.
What’s Included
HEI240 Wood Insert
High-quality Cast Iron Door
Integrated 144 CFM Variable-Speed Blower
Note: The following essential components are sold separately:
Faceplate Kit (Choose: 29" x 44" or 34" x 50")
5"Ø Fresh Air Intake Kit
Rigid Firescreen
Hook-Up Liner System
Offset Liner Adaptor
Key Features
Large Firebox: 2.4 ft³ capacity allows burn times up to 8 hours
High Heating Capacity: Effectively warms 500 to 2,100 ft²
Cast Iron Door: Elegant and durable with a panoramic ceramic glass view
Powerful Blower: 144 CFM built-in fan ensures even heat distribution
Non-Catalytic Combustion: Reliable and easy to maintain
Clean Burning: Low emissions at just 2.3 g/h
Premium Build: Refractory brick-lined firebox, stainless steel heat shield
EPA 2020 Certified: Also CSA B415.1-10, UL 1482 / UL 737, ULC S628 approved
Montreal Approved: Suitable for stricter environmental zones
Tax Credit Eligible: 75%+ HHV makes it eligible for 30% federal tax credit
Technical Specifications
Heating Performance:
Fuel Type: Dry cordwood (16" recommended)
Recommended Heating Area: 500 – 2,100 ft²
Firebox Volume: 2.4 ft³
EPA Loading Volume: 1.95 ft³
Max Burn Time: 8 hours
Max Heat Output: 75,000 BTU/h
Heat Output Range: 14,200 – 44,500 BTU/h
Average Efficiency: 72% (HHV), 77% (LHV)
Optimum Efficiency: 79%
Average Particulate Emissions: 2.3 g/h
Average CO Emissions: 69 g/h
Door & Glass:
Door Frame: Single, cast iron
Glass Type: Ceramic for heat resistance
Glass Size: 16 7/8" W x 10 1/4" H
Dimensions
Component |
Width |
Height |
Depth |
Overall Unit |
28" |
23" |
27" |
Firebox Interior |
21" |
12" |
14" |
Minimum Fireplace Opening |
29" |
23" |
16" |
Door Opening |
17" |
9" |
N/A |
Shipping Weight: 399 lb (181 kg)
Warranty Details
Component |
Parts |
Labor |
Combustion chamber, castings |
Lifetime** |
4 yrs |
Ceramic glass (thermal break only) |
Lifetime** |
N/A |
Stainless/vermiculite parts |
5 yrs** |
3 yrs |
Surrounds, trim, pedestal |
5 yrs |
N/A |
Carbon steel firebox parts |
3 yrs |
2 yrs |
Blowers, sensors, wiring |
2 yrs |
1 yr |
Paint, gaskets, and refractory bricks |
1 yr |
N/A |
Replacement parts (warranty) |
90 days |
N/A |
30% Federal Tax Credit Eligibility
The HEI240 meets the criteria for a 30% U.S. federal tax credit (up to $2,000) under the Residential Energy Efficient Property Credit. This includes the total cost of purchase and installation, valid through 2032.


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