Nailor offers a large selection of linear bar grille diffuser products for use in raised access floor air distribution systems. The linear bar grille models include constant and variable air volume models as well as perimeter styles which including a convection heater model.

Nailor’s Floor "Swirl" Diffusers are designed for use in raised access floor air distribution systems, where the floor cavity is used as a pressurized supply air plenum. The core design produces a low velocity helical "swirl" discharge air pattern. The design achieves high induction rates of room air which optimizes mixing for maximum comfort conditions. An architecturally appealing face design compliments any contemporary decor and is available as standard in a gray or black finish as well as a wide variety of custom colors. Allowing extreme flexibility in space planning, the diffuser, once installed in the access floor panel, can be quickly relocated to accommodate changing conditions and floor layouts.

The Nailor UPT is for use in raised access floor air distribution (UFAD) systems and provides a means for measuring the relative pressure between the pressurized underfloor plenum and the room. The UPT is commonly used to send a modulating output signal to a digital controller (by others) to modulate one or more dampers to control pressure set-point in response to a thermostat demand which is located in the room. The digital controller may alternatively be used to control a variable frequency drive (VFD) on a vertical air column that is pressurizing the underfloor plenum.

Model Series 38F Underfloor Fan Coil Units are specially engineered to meet the requirements of the most demanding underfloor applications where premium quality design and performance characteristics are desired. These compact low profile units feature excellent sound performance, independently tested and certified. Heavy gauge unit casings, designed to accommodate the floor pedestal layout, feature convenient access to all components. Designed to optimize energy efficiency the standard units feature ultra-high efficiency EPIC™/ECM motor technology. Additional options include two or four pipe water coils, electric heating coils, and various ' IAQ' linings including a solid metal liner.

Model Series 38S Underfloor Fan Powered Terminal Units are specially engineered to meet the requirements of the most demanding underfloor applications where premium quality design and performance characteristics are desired. Features include an inclined opposed blade damper and our multi-point averaging 'Diamond Flow' sensor to provide precise airflow control and excellent sound performance. Compact, low profile unit casings, designed to accommodate the floor pedestal layout, feature convenient access to all components. Designed to optimize energy efficiency the standard units feature ultra-high efficiency EPIC™/ECM motor technology. Additional options include electric or hot water supplementary heat, and various 'IAQ' linings including a solid metal liner.