How durable is the CompleteHeat system?
Lennox’s award-winning quality controls procedures and ISO 9000 international standards ensure unsurpassed attention to detail. The use of highest quality materials and most advanced processes for fabricating and joining materials, together with extensive durability and field testing, make it possible to offer one of the best warranties in the industry. Both the heat exchanger and the storage tank in the CompleteHeat are backed by a 15-year limited warranty while most other components are backed by a five year-limited warranty.