Rooftop model number decoder.

Paste the model number off the nameplate to get the tonnage, heat, controls and voltage, plus the factory filter sizes.

18 commercial rooftop families from 7 manufacturers. Every code is cited to the manufacturer’s own documents.

How old is it? Date a unit from its serial number →

Rooftop families

AAON

AAON RN Series

Packaged rooftop unit, heat pump or outdoor air unit · 6–70 tons

Carrier

Carrier WeatherMaker 48TC

Gas heat / electric cooling packaged rooftop · 3–15 tons

Carrier WeatherMaker 50TC

Electric cooling packaged rooftop, optional field-installed electric heat · 3–15 tons

Carrier WeatherMaster 48HC

Gas heat / electric cooling packaged rooftop · 3–12.5 tons

Carrier WeatherMaster 50HC

Electric cooling packaged rooftop, optional factory electric heat · 3–12.5 tons

Daikin Applied

Daikin Rebel DPS

Packaged rooftop unit or heat pump with inverter compressor · 3–28 tons

Lennox

Lennox Energence LGH/LCH

Gas/electric and electric/electric packaged rooftop · 3–25 tons

Lennox Landmark

KGA, KGB, KCA, KCB, KHA, KHB

Gas/electric, electric/electric and heat pump packaged rooftop · 2–12.5 tons

Lennox Model L LCM

Electric cooling packaged rooftop, optional factory electric heat · 3–25 tons

Lennox Model L LGM

Gas heat / electric cooling packaged rooftop · 3–25 tons

Rheem

Rheem / Ruud RKNL and RKPL (R-410A)

Gas heat / electric cooling packaged rooftop · 3–25 tons

Rheem Renaissance RGEC / RGED gas/electric

Gas heat / electric cooling packaged rooftop · 3–12.5 tons

Trane

Trane Precedent YSC/YHC/TSC/THC

TSC, THC, YSC, YHC

Packaged rooftop, cooling only or gas/electric · 3–10 tons

Trane Precedent YSK/YHK/TSK/THK (R-454B)

TSK, THK, YSK, YHK

Packaged rooftop, cooling only or gas/electric · 3–25 tons

Trane Voyager 12.5–25 ton

TSD, TSH, THD, THH, YSD, YSH, YHD, YHH

Packaged rooftop, cooling only or gas/electric · 12.5–25 tons

York (Johnson Controls)

York Predator ZF (Sun Pro)

Gas heat / electric cooling packaged rooftop · 6.5–12.5 tons

York Predator ZH, ZJ and ZR (Sun Pro)

Packaged rooftop: cooling only, gas heat or electric heat, with a reheat version · 3–12.5 tons

York ZF, ZJ and ZR Series 20 (15–25 ton)

ZF180, ZF210, ZF240, ZF300, ZJ180, ZJ210, ZJ240, ZJ300, ZR180, ZR240, ZR300

Gas heat / electric cooling packaged rooftop, with cooling-only and reheat versions · 15–25 tons

Not on the list yet?

We add families as we verify them against the manufacturer’s documents. The free report builder takes any model, decoded or not.

Build a service report →

BoltWright put this library together from the manufacturers’ published documents, and we aren’t affiliated with any of them. The source links go to each document on the manufacturer’s own site. Checked 2026-10-16.

How old is the unit? Serial number dates · Keeping equipment history · Explore BoltWright