Continued support for legacy Lennox
- 30-60% reduction in CAPEX spending.
- 10+ year EMS/BAS lifecycle extension.
- High-performance replacement sensors.
- Advance exchange for same-day parts.
- Asset recovery program (buy/sell/trade).
Your definitive solution for legacy Lennox RTU controllers.
If you operate commercial facilities relying on legacy Lennox RTUs, maintaining temperature control can be a constant challenge due to parts obsolescence. We provide component-level repair and exchange for essential Lennox M1, M2, and L Series control boards, stabilizing your maintenance budget and guaranteeing HVAC uptime.


Repair Solutions
Warrantied, expert component repair for control boards years past manufacturer support. Reduce your maintenance budget by 30-60% while eliminating e-waste.

Revolving Exchange
Immediate access to legacy parts for same-day shipping replacements. Guaranteed minimal facility downtime while your original unit is repaired and added into a managed inventory.

Replacement Sensors
Competitively priced sensors for all facility needs, including temperature, humidity, pressure, gas, and lighting. New and cross-compatible sensors essential for legacy system performance.

Asset Recovery Program
Turn surplus, salvaged, or unwanted controls equipment into capital. A reliable, responsible channel for end-of-life component management. Reduce your liability and costs associated with equipment disposal.