ADP

ADP (Advanced Distributor Products, LLC) is a manufacturer of residential and light commercial evaporator coils, air handlers, and gas unit heaters with its primary manufacturing facility in Grenada, Mississippi. Self-described as the #1 producer of residential evaporator coils made in the USA. Serves 500+ HVAC distributors at 4,000+ distribution points. AHRI-certified coils cover Carrier/Bryant/Payne, Lennox, and Trane/American Standard. HE Series coils feature the HydroTEC drain pan with Microban antimicrobial (exclusive North American HVAC licensee). All air handlers 100% factory run-tested.

Product Lines

ADP HE Series Multi-Position Evaporator Coils

Upflow/downflow/horizontal L&R, multi-position. Copper tubing; HydroTEC polymer drain pan with Microban; 4-screw access; 500 psi air-tested + helium leak-tested; dry nitrogen charged. Cabinet suffixes: C (Carrier/Bryant/Payne), L (Lennox), T (Trane/American Standard). Sample: HE35948D210B2522AP, HE37260D210B250193.

ADP Service Coils

Replacement-market coils for 10–12 SEER nominal tonnage applications; R-410A and R-22 compatible. S36H145 (1.5–3T horizontal, 14.5"H x 21.0"D x 26.5"L); S48L175 (3–4T upflow, 17.5"W x 20.5"D x 20.5"H).

ADP FlexCoil

Dual-refrigerant certified — one coil SKU covers R-410A + A2L (pre-1/31/2025 production) or R-32 + R-454B (post-1/31/2025). Patent-pending dual-refrigerant sensor. UL 60335-2-40. Simplifies distributor inventory during refrigerant transition.

ADP Air Handlers

F Series: Low-profile multipoise, up to 12" shorter than OEM, PSC or 5-speed ECM, 5–20 kW heat kits, 100% run-tested. B Series: Multipoise + hydronic, electric or hot water heat, variable-speed or standard motor. MX Series: Modular blower, 208/240V ECM or 120V PSC/ECM, electric or hot water heat. CP Series: Ceiling-mount, replacement/multi-family. All air handlers 100% factory run-tested.

ADP SEP Series Commercial Gas Unit Heaters

100,000–400,000 BTUH input, up to 80.5% thermal efficiency, power exhaust, conventional or sidewall venting to 35 ft. SEP-115 (115K BTU/92K output), SEP-145 (145K/116K, SKU 78006201), SEP-230 (230K/184K), SEP-250, SEP-300. Applications: warehouses, garages, commercial buildings. Also: UHCM, UHRS, UHSC residential unit heaters; 30K/45K/75K BTU residential gas models.

Why Contractors Specify ADP

AHRI-certified coils covering Carrier, Lennox, and Trane from one brand. Microban HydroTEC drain pan is homeowner-facing IAQ differentiator (exclusive North American HVAC Microban licensee). FlexCoil single-SKU covers R-410A + A2L during refrigerant transition. F Series up to 12" shorter for tight installs. 100% run-tested air handlers. Ratings2Go generates AHRI matchup data online. Made in USA (Grenada, MS).

How to Choose an ADP Product

Coils: match tonnage, brand (C/L/T suffix), and position. Use Ratings2Go for AHRI matchup ratings. FlexCoil for dual-refrigerant stocking flexibility. S-series for replacement-market nominal tonnage. Air handlers: match voltage, heat kit kW, motor type (PSC/ECM), and configuration. B Series for hydronic northern climate. CP Series for ceiling mount. SEP gas unit heaters: calculate space heat loss, select BTUH, verify venting (conventional or sidewall, max 35 ft).

FAQs

Where are ADP products manufactured?
Primary manufacturing facility in Grenada, Mississippi. Described as made in the USA.

What does AHRI certification mean for an ADP coil?
The ADP coil has been tested with specific outdoor units and verified to meet rated efficiency (SEER, EER, HSPF) at published conditions. Matchup certificates available via Ratings2Go at the ADP website.

What is the HydroTEC drain pan?
UV-resistant polymer drain pan with Microban antimicrobial protection on ADP HE Series coils. Microban inhibits mold, mildew, and bacteria growth. ADP is the exclusive North American HVAC licensee for Microban — not available from other coil manufacturers using standard ABS pans.

What is ADP FlexCoil?
Dual-refrigerant certified coil covering R-410A + A2L (pre-1/31/2025) or R-32 + R-454B (post-1/31/2025) from a single SKU. For distributors/contractors stocking for both current R-410A equipment and new A2L equipment without maintaining separate coil SKUs per refrigerant.

Are ADP air handlers run-tested?
Yes. All ADP air handlers and gas unit heaters are 100% run-tested at the factory before shipment.