Archived Documents
Additional sources of information.
Find more information about Lennox® products by referring to the materials listed below. To view or download these files, you will need to have Acrobat Reader installed on your computer.
Installation and Operation Instructions
Air Conditioners
- 10 ACB Installation and Operation Instructions Manual
- 10 ACC Installation and Operation Instructions Manual
- 12 ACB Installation and Operation Instructions Manual
- 13 ACC Installation and Operation Instructions Manual
Heat Pumps
- 10 HPB Installation and Operation Instructions Manual
- 12 HPB Installation and Operation Instructions Manual
- HP14 Installation and Operation Instructions Manual
- HP16 Installation and Operation Instructions Manual
- HP18 Installation and Operation Instructions Manual
- HP19 Installation and Operation Instructions Manual
- HP20 Installation and Operation Instructions Manual
- HP22 Installation and Operation Instructions Manual
- HP23 Installation and Operation Instructions Manual
- HP24 Installation and Operation Instructions Manual
- HPXA19 Installation and Operation Instructions Manual
- HS14 Installation and Operation Instructions Manual
- HS18 Installation and Operation Instructions Manual
- HS19 Installation and Operation Instructions Manual
- HS20 Installation and Operation Instructions Manual
Homeowner's Manuals
Furnaces
- 78RGF Series Homeowner's Manual
- 78UGF Series Homeowner's Manual
- 80UHG Series Homeowner's Manual
- Efficiency Plus Series Homeowner's Manual
- F8AUH Series Homeowner's Manual
- G12 Series Homeowner's Manual
- G14 Series Homeowner's Manual
- G16(R) Series Homeowner's Manual
- G17 Series Homeowner's Manual
- G17RSeries Homeowner's Manual
- G20 Series Homeowner's Manual
- G20R Series Homeowner's Manual
- G21Q & G21V Series Homeowner's Manual
- G23 Series Homeowner's Manual
- G25MV Series Homeowner's Manual
- G27M Series Homeowner's Manual
- G41UF Series Homeowner's Manual
- GH19 Series Homeowner's Manual
- GSR14 Series Homeowner's Manual
- GSR21Q & GSR21V Series Homeowner's Manual