Security Chimneys International Limited keeps the home fires burning in safety and security with a complete line of residential hearth and home-venting and air-conditioning (HVAC) products.

Each of our insulated chimneys, built for wood-burning, oil-fired and gas-fired appliances, gives you the peace of mind of knowing that they're made from high-quality stainless steel, feature 2" safety clearance from all combustibles and come with a lifetime limited warranty against chimney fires and corrosion.

Each of our high-tech HVAC products is engineered to provide efficient, economical ways to vent oil-burning and gas-burning appliances.

Whether for hearth or for HVAC, each Security product is engineered for safety and simple installation, and each comes complete with an easy-to-follow instruction manual.

Secure Temp™ ASHT+:
High-temperature, stainless steel, factory-built chimney tested to UL103HT for use with all fuel-burning appliances (wood, oil, gas).

SM Large-Diameter Chimney:
Chimney System for Custom Masonry Fireplace Installations and Masonry Flue Extensions.

DL:
Double-wall black stove connector.

Secure Vent:
Direct Vent System, air-tight leak-proof vent system for direct-vent, gas-burning fireplaces and stoves.

Tubinox:
Rigid stainless steel liner.

SPX Pellet Vent
Vent system for pellet-, wood- or corn-burning appliances.

Secure Temp™ ASHT+:
High-temperature, stainless steel, factory-built chimney for use with all fuel-burning appliances (wood, oil, and gas).

CG - Gas Vent Type B
A quality engineered vent system for Category I gas appliances made with an AM-1 aluminum flue and a galvalume casing for strength and durability.