WHO WE SERVE
ENGINEERS
When precision, performance and reliability matter most, you need products and a partner you can trust.
Lennox delivers industry-leading commercial HVAC solutions designed for engineers—providing advanced equipment, intelligent controls, and expert resources to help you specify the optimal system quickly and meet exact performance requirements with certainty.
The Direct Effect
We provide the tools and support you need to ensure peak efficiency in every system you specify.
Commercial Solutions at Your Scale
Configure the best spec quickly with the leading-edge HVAC equipment and controls you need to meet performance objectives with confidence.
The Speed of Direct Access
Connect directly with the source to get the fast, accurate information you need to make informed decisions and meet demanding timelines.
With You Every Step of the Way
Be better prepared and more competitive with decision tools and personalized support from a trusted partner.
Customized Control
Achieve the ideal balance of efficiency, cost and environmental impact with commercial HVAC solutions engineered for whole-building performance. Get precise control across multiple zones, advanced indoor air quality management, and a reduced carbon footprint—all tailored to your project’s requirements.
Streamline your design process with turnkey solutions and specialized expertise in major commercial applications, backed by the latest innovations, technical insights, and proven best practices.
Stay Connected
Get personalized guidance on complex design challenges from your dedicated Lennox team, with direct access to deep product knowledge and tailored commercial HVAC solutions for engineers—all in a single call.
Plan with precision using real-time lead times and stocking information to keep projects on schedule and specifications on track.
Info At Your Fingertips
Be better prepared and more competitive with decision-making tools and a supportive partner by your side.
Make decisions quickly with easy-to-use online tools and navigate a changing industry with the specialized training and practical insights you need to stay efficient, compliant and future ready.
RESOURCES
Product Documentation
Find and download Lennox commercial engineering documents, product brochures, technical files and warranty info with ease.
Revit BIM
Download Revit Building Information Modeling (BIM) files for Lennox rooftop units, split systems, and Lennox VRF products.
AutoCAD Templates
Access plan and elevation views, products and clearance dimensions and instructions for all Lennox commercial equipment.
Let's Get Direct
Connect with expert support to configure the best spec quickly.