Proven High-Quality Fan Coils - The sound of ongoing ventilation can become annoying, especially if a great number of hours is spent within that room.

The key to low noise, trouble-free performance lies in Isotherm’s exceptionally quiet fan/ motor specification combined with an acoustically-lined integral inlet plenum section. 

Benefits

• Top quality construction & finish
• Individual direct drive fans
• Energy efficient
• Cased or chassis option

Isotherm provides a double-inlet, double-width centrifugal fans incorporate built-indirect drive motors with advanced anti-vibration mountings and “sealed for life” bearings capable of more than 40,000 running hours.

All units are acoustically and thermally lined to further enhance their smooth and quiet operation.

Header RAL 9010

With Isotherm, Biddle has laid down new standards in robust construction and finish quality. All unit casings are fabricated from high strength zinc plated steel to a unique Biddle design specifically to eliminate the risk of deformation and vibration. Both chassis and cased versions are finished to the highest standard using controlled electrostatic powder coating techniques (RAL 9010).

The full spectrum of performance and application requirements is met with four chassis and four cased unit sizes, all available in horizontal and vertical configurations.

Fresh Air Damper

Isotherm incorporates its own integral fresh air damper that efficiently provides more control of the recirculation and fresh air volumes.

Standard Control Package

• Valves
• Actuators
• Controllers
• Six step/branch transformer and sensor

Customer Specific Control Package