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Lennox Manuals & User Guides

Lennox is a leading global provider of innovative climate control solutions, including high-efficiency furnaces, air conditioners, heat pumps, and indoor air quality systems.

Tip: include the full model number printed on your Lennox label for the best match.

About Lennox manuals on Manuals.plus

Lennox Industries is a premier provider of climate control products for the heating, ventilation, air conditioning (HVAC), and refrigeration markets. Founded in 1895 by Dave Lennox, the company has built a legacy of innovation and quality, delivering energy-efficient solutions for both residential and commercial applications.

Lennox offers a wide range of products designed to deliver precise comfort, including variable-capacity air conditioners, communicating smart thermostats like the S40, and advanced heat pumps capable of operating in extreme cold climates.

With a focus on sustainability and technological advancement, Lennox systems are engineered to improve indoor air quality and reduce energy consumption. The company supports its products with a robust warranty program and a vast network of professional dealers. Whether for a single-family home or a large commercial facility, Lennox provides reliable, high-performance HVAC equipment designed to maintain optimal environments efficiently.

Lennox manuals

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Lennox ML16KP2 Central Heat Pump Merit Instruction Manual

La 30 Pulungoana 2025
Lennox ML16KP2 Central Heat Pump Merit Specifications Model: ML16KP2 Type: Heat Pump Coil Material: All-aluminum Refrigerant: R454B Installation Date: 9/2025 Product Usage Instructions Installation The ML16KP2 outdoor heat pump must…

LENNOX ML17KC2-060-233A01 Merit Series Air Conditioner Taelo

La 29 Pulungoana 2025
LENNOX ML17KC2-060-233A01 Merit Series Air Conditioner SPECIFICATIONS Size 036 048 060 Nominal Tonnage 3 4 5 Sound Rating Number                                                      dBA 73 74 75 Connections                                            Liquid line (OD) - in.(Sweat)                                                  Suction…

LENNOX ELITE Series Gas Furnaces Installation Guide

La 23 Pulungoana 2025
LENNOX ELITE Series Gas Furnaces Specifications AFUE: 97% Input: 44,000 to 110,000 Btuh Nominal Add-on Cooling: 2 to 5 Tons Product Usage Instructions Features Overview The EL297DFV(K) gas furnace is a…

Lennox Equipment Basic Limited Warranty - US & Canada

Setifikeiti sa Tiisetso
This document outlines the Lennox Basic Limited Warranty for residential and non-residential HVAC equipment sold in the United States and Canada. It details warranty coverage, periods, exclusions, claim procedures, and…

Lennox LRP14/LRP16 Series Packaged Units Service Manual

Bukana ea Tšebeletso
Comprehensive installation, maintenance, and service manual for Lennox LRP14 and LRP16 series packaged air conditioner and heat pump units. Covers specifications, operation, wiring, and troubleshooting for residential HVAC systems.

Lennox manuals from online retailers

Lennox S40 (22V24) Smart Thermostat User Manual

S40 • La 2 Tšitoe, 2025
Comprehensive instruction manual for the Lennox S40 (22V24) Smart Thermostat, covering installation, operation, features, specifications, and warranty information.

Lennox support FAQ

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  • Where can I find manuals for my Lennox products?

    You can find manuals in the directory on this page, or visit the Lennox Owners Resource area on their official website for a comprehensive library of product literature.

  • How do I register my Lennox product?

    Lennox products can be registered online via the Product Registration page on the Lennox website. Registration helps keep you up to date on product information and warranty offers.

  • What is the customer support phone number for Lennox?

    You can contact Lennox customer support at 1-800-453-6669.

  • What type of refrigerant do new Lennox systems use?

    Many newer Lennox systems, such as the Merit Series ML16KP2 and EL22KCV, utilize R-454B refrigerant, which has a lower Global Warming Potential (GWP).

  • Where can I look up warranty information for my unit?

    Warranty coverage details can be found using the Warranty Lookup tool on the Lennox website, or by reviewing the warranty certificate included with your unit.