Lennox 42,000 BTU 17 SEER2 Air Conditioners

Lennox 3.5 ton (42,000 BTU) air conditioners in the 17 SEER2 class: the EL16KC1 and ML14KC1, listed at 17 SEER2 on their product pages.

Lennox 42,000 BTU 17 SEER2 Air Conditioners

Choosing a 3.5 ton Lennox air conditioner

The Merit ML14KC1 is from Lennox's entry line, and the Elite EL16KC1 sits a step above. Every unit here is single-stage, so it runs at full output whenever it's on.

Pair it with a Lennox furnace and evaporator coil, or a Lennox air handler. To widen the search, see all Lennox 42,000 BTU air conditioners and Lennox 17 SEER2 air conditioners.

Call (913) 364-0070, Monday to Friday, 9am to 5pm CST, and we'll help you confirm sizing and an AHRI-matched pairing before you order. Free shipping on major equipment from our Kansas City warehouse to every state and D.C. except Alaska, Hawaii, Washington, Oregon, and Idaho, where you pay the shipping rate shown at checkout. Each product page shows whether an item qualifies. HVAC USA is an authorized Lennox reseller, and everything we sell is new factory equipment. Your full Lennox warranty applies when a licensed, manufacturer-certified contractor installs your system and registers it within 60 days.

Get Expert Help

Not sure which of these systems is right for your application? Our team can help you compare models, sizes, and configurations to ensure the best fit for your climate and space.

Reach out to us at (913) 364-0070 or info@hvacusa.store. Reach out to find the right system to help you experience the long-term reliability and performance that Lennox 42,000 BTU 17 SEER2 Air Conditioners are known for.