Tjernlund

Tjernlund Products

Pressure Switches

Tjernlund PS1503 Positive Air Flow Pressure Switch

The Tjernlund Duct Airstat senses positive pressure in a forced air heating and/or cooling system. Single pole, single throw, snap-acting switch. Typically used to activate boosting fans.

Inline Air Booster Fans

Tjernlund DB2 Duct Booster for Rectangular/Round Ducts

The DB-2 DUCT BOOSTER is designed to increase the flow of heated air in warm air heating systems, or cooled air in central air conditioning systems. For round or rectangular ducts.

Room-to-Room and Register Boosters

Tjernlund AireShare Level-to-Level Ventilator

The AireShare Level to Level Ventilators distribute air from one conditioned space to another such as from one level of the house to a room on another level of the house.

Tjernlund Room to Room Ventilator

Make hot and cold rooms more comfortable. This room to room ventilator is installed in a wall cavity and pulls air from one room to transfer to another.

Crawlspace Ventilation

Tjernlund Crawlspace Ventilators

UnderAire crawlspace ventilators are used to help reduce excess moisture that causes mold, mildew and wood rot. Help vent radon, off-gassing, and odors that might otherwise migrate into living areas. 1 fan model will ventilate up to 1650 cubic feet. For larger spaces use multiple units or multiple fan model. 1 and 2 fan models available.

Dryer booster fans

Tjernlund Dryer Booster

*** 5 year no clog, no maintenance guarantee. *** The Dryer Duct Booster maintains proper exhaust velocities in duct runs up to 100 equivalent feet, optimizing dryer performance.

Draft Inducers and Chimney Fans

Tjernlund AD-1 Auto Draft Fan for Wood Burning Stoves

With the AD-1 Auto-Draft your hard starting stove draws immediately. No smoky back up even with moist or hard to ignite types of wood!

Tjernlund RT750H/RT1500H Rooftop Inducer Fans for Solid Fuel Applications

The solution for maintaining negative pressure in the entire chimney or stack system. Use with SOLID FUEL fireplaces, stoves, ovens, BBQs, boilers.

why buy from us?

We're engineers passionate about home ventilation and serious about customer service – so you can count on us for carefully-selected equipment and expert advice to ensure your project is a success from specification to installation.

Your call is answered by qualified people who will gladly discuss your project in detail, advise you professionally and never sell you inappropriate products.