The Bottom Line Luxaire excel when it comes to high-efficiency furnaces, with some of the highest AFUE ratings you will find in today’s market. They keep improving their models every year, and they’re a reliable choice for your home.Click to see full answer. Similarly, how long does a LuxAire furnace last?A: If you have a qualified technician perform regular preventive maintenance and service suggested for your unit, industry averages suggest that an air conditioner should last 12-15 years (sea coast applications may be less) and a gas furnace should last as many as 20-25 years.Beside above, what is the most reliable furnace brand? Most and Least Reliable Ruud, Trane, and American Standard are among the more reliable natural gas furnace brands, whereas Goodman, Lennox, and Amana are among the less reliable brands. Similarly one may ask, who manufactures LuxAire furnaces? York, Coleman, and LuxAire Central Air Conditioning is Made by Johnson Controls Along with Many Other Brands.What are the 10 best furnaces? To Review – The Top 10 Furnace Brands Daiken. Bryant. Rheem. Ruud. American Standard. Trane. Carrier. Lennox.