Chilled Water Coils

Chilled Water Coils

Chilled water coils are available in the same or opposite end designs with a wide choice of the tube, fin, and material options along with multiple circuitry availability. All chilled water coils are constructed with plate fins and seamless tube construction. Optional Sentry Guard™ freeze-resistant available.

USA Coil & Air has an extensive library of OEM designs. It can help with the replacement of all major OEM manufactured chilled water coils, including but not limited to Carrier, Trane, McQuay, York, Heatcraft, Aerofin, American-Standard, Bohn, Colmac, Marlo and more.


The equipment USA Coil & Air builds is specially made to order to meet your exact engineering requirements, but we also understand time-critical projects require a quick turn around. Our expedited production program allows us to offer coil shipments in as little as 10, 5, 3, and 1 working days guaranteed.

Shipping Option


20 Business Days
Standard Shipment
10 Business Days
Added Premium
5 Business Days
Added Premium
3, 2, & 1 Business Days
Call for pricing and availability

See our Shipping Schedule for all other HVAC equipment offered.

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Please note: Commercial equipment only – no residential products

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Chilled Water Coils Materials and Specifications

Coil Fins

Secondary surface (fins) shall be of the plate-fin design using aluminum or copper, with die-formed collars. The Fin design is to be flat, waffle, or sine-wave in a staggered tube pattern to meet performance requirements. Collars will hold fin spacing at specified density, and cover the entire tube surface. Fins are to be free of oils and oxidation.

Chilled Water Coils

Seamless copper tubes shall be mechanically expanded into plate aluminum or copper fins to form an everlasting bond between primary and secondary surfaces. Tubes are to be mechanically expanded into fins (secondary surface) for maximum heat transfer.

Chilled Water Coils

Headers (manifolds), if required, shall be constructed of a minimum .060” wall seamless copper. Die-formed copper end caps are brazed on the inside of the headers and rounded to prevent excessive pressure drop. (Unless spun-closed — for sizes up to 1-3/8”) All coils will be equipped with 1/4” vents and drains.

Chilled Water Coils Connections

The connection is to be sweat type (SWT), MPT, or FPT Grooved or flanged as required.

Chilled Water Coils

Chilled water coil casing material shall be galvanized steel at a 16 gauge minimum. More sturdy materials such as stainless steel, copper, or aluminum casings are available as required.

Intermediate supports are required every 42” of finned length and shall be bolted to top and bottom casing channels. Coil casings on top and bottom of coils are to have double-flange construction, allowing for vertical stacking of coils.

Pressure Testing Gauge

Chilled water coils shall be tested at 550 psig using dry nitrogen, submerged underwater. Dual-operator verification shall determine that all coils are leak-free.

Fluid coils are guaranteed up to a maximum 300° F operating temp, and 250 psig maximum operating pressure.


All fluid coils designed with 1/2” or 5/8” tubes are to have ARI Standard 410 certification and shall bear the ARI symbol. Coils outside the scope of ARI’s standard rating conditions or certification program will be acceptable to ARI since USA Coil is a current member of the ARI coil certification program, and coils will be rated in accordance with the ARI Standard 410.

Standard/Base in Bold Below

Standard/Base in Bold Below

Tube O.D.Tube ThickOptional TubeFin Thick.Optional Fin

Standard/Base in Bold Below

Standard / Optional

Fin MaterialAluminumCopper; Stainless Steel
Casing MaterialGalv. Steel 16 gaugeGalv. Steel 14 gauge
Stainless Steel 16 gauge
Tube MaterialCopperSteel • Red Brass
Connection MaterialCopperStainless Steel • Cupro Nickel • Carbon Steel
Header Material CopperSS Tube will have SS HDR(s) • Cupro Nickel Tubes will have Cupro Nickel HDR(s) • Carbon Steel Tubes will have Carbon Steel HDR(s)

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