Helping Engineers, Contractors, and Facility Owners Find the Right HVAC Equipment Since 1994
Grease Duct & Chimney Systems
Engineered Venting Solutions for Commercial Kitchen & Heating Applications
Proper venting is critical to the safety, efficiency, and performance of commercial buildings. Whether exhausting grease-laden vapors from a commercial kitchen or venting boilers, water heaters, and generators, high-quality venting systems are essential for protecting equipment and meeting building code requirements.
VHF Sales represents DuraVent and Security Chimneys, providing engineered venting solutions for commercial kitchens, HVAC equipment, and industrial applications. Our team helps engineers, contractors, and building owners select the appropriate venting system for each project.
Commercial Grease
Duct Systems
DuraVent grease duct systems are engineered to safely convey grease-laden vapors from commercial cooking equipment to the outdoors. Factory-built grease duct systems offer a reliable alternative to field-fabricated ductwork while helping simplify installation and support code compliance.​ Designed for demanding commercial kitchen environments, DuraVent systems provide durable construction and are available in a variety of sizes and configurations.
​
Common Applications:
-
Restaurants
-
Commercial kitchens
-
Schools and universities
-
Hospitals
-
Hotels
-
Food processing facilities
​​
Benefits:​
-
Factory-built insulated grease duct systems
-
Designed for grease-laden exhaust
-
Supports simplified installation
-
Durable stainless steel construction
-
Helps meet commercial kitchen ventilation requirements
Boiler, Water Heater & Generator Venting
DuraVent manufactures venting systems for a wide range of fuel-fired equipment, including boilers, water heaters, generators, and other commercial heating equipment.
Their venting products are designed to safely remove combustion gases while supporting efficient equipment operation.
​
Applications Include:
-
Commercial boilers
-
Water heaters
-
Unit heaters
-
Emergency generators
-
Industrial heating equipment
​
Available Venting Solutions:
-
Double-wall vent systems
-
Special gas vent systems
-
Category II, III & IV appliance venting
-
Positive pressure vent systems
Commercial Chimney Systems
Security Chimneys offers factory-built chimney systems engineered for commercial, industrial, and institutional applications. Their products are designed to safely vent combustion gases from a variety of heating appliances while providing long-term durability.
Security Chimneys are commonly specified for projects requiring high-performance chimney systems with dependable operation and code compliance.
​
Common Applications:
-
Boiler plants
-
Mechanical rooms
-
Commercial water heaters
-
Industrial facilities
-
Institutional buildings
-
Emergency generators
​
Benefits:
-
Factory-built chimney systems
-
Designed for commercial applications
-
Durable, corrosion-resistant construction
-
Supports safe venting of combustion products
-
Multiple system configurations available
