Armstrong Gas Furnace Reviews | Consumer Ratings
Armstrong Gas Furnace Reviews Armstrong offers a full line of gas furnaces from 80% AFUE all the way up to 97% AFUE. They also offer a high-efficiency line of gas furnaces models. Their furnace uses staging to increase efficiency and staging range from 75% for low-fire to 100% for high-fire. A modulating gas furnace is also available.
The Armstrong brand also uses variable-speed motors in their higher efficiency gas furnaces premium brand models. For a lower-end economical model, Armstrong offers economy model gas furnaces. Furthermore, Armstrong uses single staging with an aluminized heat exchanger that has a 20-year limited warranty. (more…)
