Century is a brand of residential gas- and oil-fired hot air furnaces. The Century brand is owned by MARS, a family-owned company headquartered in Hauppauge, NY.
The Century brand was part of Heat Controller Inc. beginning in 1975. Heat Controller was acquired by MARS in 2013. MARS (Motors & Armatures, Inc.) was founded in 1946 and is a family-run HVAC company which distributes products under the Comfort-Aire and Century brand names. Along with its Hauppauge, NY headquarters, the company operates a 200,000 square foot distribution facility in Earth City, MO and another facility in Mississauga, Canada.
Century furnaces are only available for sale online through Home Depot. There are 24 models available, 17 gas furnaces and 7 oil-fired units. Gas furnaces are available in single- and two-stage units, with efficiency ratings of 80%, 92%, and 95% AFUE. Oil-fired Century furnaces come in highboy and lowboy designs and have an efficiency of 84% AFUE.
Century oil furnaces are covered by a 20-year warranty on the primary and secondary heat exchanger and a 5-year parts warranty.
Gas furnaces are covered by a 20-year heat exchanger warranty and a standard 5-year parts warranty. If the unit is registered within 90 days of purchase, the part warranty extends to 7 years.
Labor costs are not covered by the warranties.