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Phone:  1-(888)-522-9947
Fax:  1-(888)-522-9947 (press send)
3708 Eaglewood St.
Valrico, FL 33596

About Fantech

For more than 3 decades Fantech has been researching, designing and bringing to market “Ventilation Solutions” that ensure better indoor air quality in the buildings where we work and live.

Core products include:


  • Inline fans for bathroom exhaust, dryer boosting and radon mitigation.

  • A full line of indoor air quality equipment such as Heat Recovery and Energy Recovery Ventilators and Whole House Hepa Filtration.

  • Larger CFM fans for commercial applications such as Inline Centrifugal Fans for Round, Square and Rectangular Duct, Exterior Mounted Centrifugal Fans for Wall and Roof, Multi-Port Centrifugal Fans and Air Curtains.


Since its founding in 1981, Fantech has focused on becoming a leader in the air movement/ventilation industry.

Fantech’s two North American manufacturing plants include a 155,000 sq. ft. facility in Lenexa, Kansas, USA as well as a 130,000 sq. ft. manufacturing plant located in Bouctouche, New Brunswick, Canada.  Fantech’s strength and stability comes from its alliance with its parent company, Systemair, Sweden. Systemair’s global network of 58 subsidiaries on four continents makes the Systemair Group one of the largest air movement companies in the world.

The Fantech Makeup Air System is the only solution 


A home builder could actually satisfy a home's makeup air requirement by leaving a relatively large hole (or several) in the exterior wall. Although, a hole in the wall might satisfy the makeup air requirement in the code, most would agree that such a solution is hardly ideal, especially during peak seasonal weather conditions. 

The "passive" solution is similar to the hole in the wall. This solution has no fan supplying air into the home, so the home MUST be depressurized for air to flow in. This results in a very large opening (or multiple ones) in order to keep the level of depressurization below the backdrafting threshold. The passive solution does not accommodate direct filtering and tempering, since it is not fan-forced. 


The Fantech's Makeup Air System (MUAS) is a "powered" or "fan-forced" system.


The MUAS is triggered when the compensated exhaust system is energized. The MUAS damper opens and the MUAS fan is powered on. The fan is speed-controlled relative to the speed of the compensated exhaust system's fan speed. In other words, as you speed up the exhaust fan, the MUAS fan speeds up too, and vice versa. 

Fantech Makeup Air System advantages at glance: 

• Automatic, infinitely modulating air flow in proportion to the exhaust
• Particulate matter is filtered from the outdoor air before it is delivered to 

the home 

• Since it is fan-forced, makeup air can be ducted to where it can be most suitably delivered to the home 

• Cold outdoor air can be tempered with optional MUAH heater kits
• MUAS can be set up by the installer for a variety of pressure schemes: 

slightly negative, slightly positive, or balanced
• MUAS provides the EXACT amount of air needed - no more, no less 

• Complies with the building code

The patent-pending FMAC is the brains of the makeup air system. While the compensated exhaust system is operating, the makeup air fan supplies air at a rate necessary to maintain the desired building pressure scheme as set up by the installer. The makeup air flow rate automatically and infinitely varies proportionally with the speed at which the exhaust is operated by the homeowner. A neutral (balanced) pressure scheme is common, but the installer can also employ a slightly positive or negative pressure scheme should he desire. 

The FMAC includes a current transducer, system controller, transformer, and a NEMA electrical enclosure.

Fantech True Make Up Air System #1 Overview

Fantech True Make Up Air System #2 Installation

Fantech True Make Up Air System #3 Wiring & Commissioning

Fantech Products and Specifications

Links open on the Fantech Website

For more information on how to become a Fantech dealer

For more information on Fantech, visit their website here.