Ever wonder who owns whom — or what happened to the company that built your old furnace? Look it up here and see who owns the name today, and who might still make parts for it. HVAC brands change hands constantly as bigger companies buy up smaller ones; this page keeps score.
Evolved from John Zink / Sunbeam; makes packaged rooftop equipment.
Purchased by Heat Controller in 1995, by Fedders in 2005.
Old Lennox tradename revived for use on the economy line sold by Lennox dealers.
Name used by International Comfort Products.
Started by carmaker Walter P. Chrysler in 1934; became a subsidiary of Fedders Corp. in 1976. See Fedders.
Division of Lennox containing Air Ease, Armstrong, Concord & Ducane.
Formerly a division of Raytheon, now part of Goodman Manufacturing.
Became part of the climate-control division of the Singer Co. in 1968; became Singer American Furnace in 1970. See Singer.
Became Tappan Air Conditioning division in 1972. American-Standard purchased the Trane Company in 1984; the name was revived in 1988. In 2007 the corporate name changed to Trane. See Trane.
Acquired by SnyderGeneral in 1984 from Atlantic Richfield; added to the Climate Control unit as Arcoaire. In 1991 became part of Inter-City Products (later International Comfort Products) with brandmate Comfortmaker. ICP was purchased by Carrier in 1999.
Division sold to Preway, Inc. Preway sold Servel gas air conditioning to Dometic Corp; high-efficiency furnace technology sold to Trane. The Servel name is now sold by Robur.
Founded by Lennox in 1928; became a division of the Johnson Corp. in 1976 (see Magic Chef). Name revived as Armstrong Air in 1988 after Lennox purchased the climate-control line from Magic Chef.
Bard Manufacturing — still independent.
A subsidiary of Lennox International.
Founded by Charles Bryant in 1904; now a division of Carrier Corp / United Technologies.
A wholly owned subsidiary of United Technologies.
Century Engineering Corp of Cedar Rapids, purchased by Heat Controller in 1975. The Century name is still used by Heat Controller on OEM-made products.
Formed from the "marriage" of several brands, among them Friedrich Climate Master and California Heat Pump.
Heating division started in 1958. Bought by MacAndrews & Forbes Group in 1989, by Beacon International (as Evcon Industries) in 1990, and by York International in 1994.
A tradename of Heat Controller.
Old AFCO name revived at the founding of SnyderGeneral. Later owned by Inter-City Products; ICP was purchased by Carrier in 1999.
Water-source heat pump maker now owned by American-Standard.
Out of business in the late 1990s; remaining assets and furnace designs purchased by Texas Furnace Co. Was also sold as Premier.
Last shown making HVAC products in 1978.
Stopped making HVAC products in 1968; furnace technology sold to Amana.
A brand name used by American-Standard / Trane.
Japanese manufacturer of commercial products and mini-splits. Now owns McQuay.
Started in 1909 as a solar water-heater maker, later part of the BDP Co. division of Carrier Corp / United Technologies. Name dropped in late 1997, then revived in 2007 on ICP residential products and Carrier light-commercial products. This is the professional-grade line we install today → see the equipment.
Old GM appliance division, last listed in 1964.
Purchased by Lennox in 1999.
Most divisions sold to Topgroup Holdings Berhad of Malaysia.
Canadian maker; changed name to DMO Industries with Olsen & Airco as brand names.
North American brands include Airco, Dunkirk, Hyundai, EMI, Olsen, Oneida Royal, Pennco, Retroaire and Utica.
Now known as EFM Company, making boilers & furnaces.
Purchased by Fedders.
Last A/C units manufactured in 1962.
Stopped making HVAC products in 1983.
Left the unitary market around 1980; returned in the early 2000s with Chinese-made outdoor units.
Became part of Westinghouse; name dropped in 1978 with the end of Westinghouse HVAC. Name now used by York International.
Residential HVAC acquired by ARCO in the early '80s; became Friedrich Climate Master Inc. in 1985 selling water-source heat pumps. Products evolved into Arcoaire. The Friedrich name is still used on window units & mini-splits.
GM appliance brand name now owned by Electrolux, licensed by Nordyne.
Became a subsidiary of Magic Chef in 1969. Name no longer used.
HVAC division purchased by the Trane Company in 1982.
Name used by Nordyne under license.
Arizona manufacturer of residential & light-commercial equipment and contractor; left the manufacturing side of the business.
Started by contractor Harold Goodman in 1982; purchased from the Goodman family in 2004 by Apollo Management, now owned by Goodman Global.
Des Moines company; stopped making HVAC products in 1975.
Indianapolis company, last listed in 1966.
Last listed in 1964; now manufactures unit & duct heaters.
Purchased by Inter City Gas (Toronto) from Whirlpool Corp; Tempstar name added to replace Whirlpool. The HVAC division became part of International Comfort Products; ICP was purchased by Carrier in 1999.
Purchased by Luxaire, Inc. Now part of York International.
Became the Home Furnace division of Lear-Siegler Inc., then Miller Heating & Air Conditioning in 1986 after acquisition by Nortek Inc. Now listed as Nordyne. See Intertherm.
See Heil-Quaker. Purchased by Carrier in 1999 — parent of today's Day & Night brand.
Controlling interest acquired by Weil-McLain in 1965; last listed in 1974. Weil-McLain now owned by United Dominion.
Founded in St. Louis in 1919; became Intertherm in 1969.
Became a Nordyne company in 1987, brandmate Miller. In 1998 Nordyne began marketing under Electrolux brands Frigidaire, Philco, Tappan, Kelvinator & Gibson, plus Maytag under license. Parent company is Nortek.
Now owned by Vapor Power, making power burners.
Stopped making HVAC products in 1983.
Division of Surface Combustion Co.; became a Midland-Ross division in 1960 and a Tappan division in 1977. The Janitrol name was sold to Goodman Mfg. in 1982, now dropped.
Founded in 1958 by C.A. Olsen (who started Luxaire) and brother-in-law Johnson. Part of Magic Chef in 1972; now owned by Lennox — Air Ease is part of Lennox's Allied Air division.
One of the ICP brands.
Name used by Nordyne under license.
Manufacturer of portable cooling equipment.
Lennox Industries — still independent.
Founded in 1939, purchased by Westinghouse in 1955, then by York in 1981.
Acquired by the Maytag Co. in 1986; the air-conditioning division was sold to Lennox in 1988 and renamed Armstrong Air. See Johnson.
Ceased making HVAC equipment in 1966.
Formerly owned by Lear-Siegler, now owned by Nortek. Sister companies include Governaire, Broan-NuTone, Nordyne and Venmar.
St. Paul furnace company, last listed in 1962.
Name used by Nordyne under license.
Formerly a division of SnyderGeneral, later owned by Hong Leong Group Malaysia. Now owned by Daikin.
Was Miller the Home Furnace Company, started in 1916. Now part of Nordyne.
Last listed in 1958.
Division of York International. See Henry Furnace.
Became Climatrol Div., Worthington Air Conditioning in 1964; eventually bought out by Fedders. See Worthington and Fedders.
Acquired by Crane in 1960.
Acquired by ITT in 1963, divested in 1979, bankruptcy in 1980. Now a tradename of Mechanical Specialties, Inc.
Acquired by Rybolt in 1961.
Became Luxaire, Inc. in 1965 with brand names Luxaire & Moncrief. Acquired by Westinghouse, then sold to the York division of Borg-Warner in 1981. The Olsen name is no longer used by York.
Purchased by Utica Boilers Inc. in 1990. See ECR.
Started by D.W. Payne in 1914, later part of BDP with Bryant and Day & Night. Now a Carrier brand name.
Became Peerless Division, Space Conditioning Systems in 1964; eventually acquired by Dunham-Bush with the name dropped in the mid-1970s.
Boiler manufacturer since 1908.
Became Perfection Division, Hupp Industries in 1964; name dropped in 1965. Hupp went bankrupt in 1991; Perfection Industries was purchased by Schwank in 1981, now operating as Schwank Inc. making radiant heaters.
Name used by Nordyne under license.
Rheem Manufacturing is owned by Japanese water-heater manufacturer Paloma.
Last listed in 1963. See Peerless.
Part of Rheem Manufacturing. See Rheem.
Last listed in 1973.
Last listed in 1961. See Iron Fireman.
Became the climate-control unit of SnyderGeneral Corp in 1982 with the name dropped. By 1984 SnyderGeneral included Arcoaire, Comfortmaker and McQuay; in 1991 it sold Arcoaire & Comfortmaker to Inter-City Products.
Became Heatwave International in 1984, later bankrupt.
Became a Dunham-Bush division in 1968.
Production resumed as Sun Dial Manufacturing, then stopped in the 1980s.
Last listed in 1976.
Became SJC Corp. in 1979 as Frigiking Tappan. SJC sold the Janitrol line to Goodman Mfg. in 1982. The Tappan name was revived by Nordyne in 1998 under license from Electrolux.
Name used to replace the Whirlpool name when Inter City Gas purchased Heil-Quaker. See Heil.
Indiana manufacturer of ThermoPride furnaces & air conditioners, now owned by Burnham Corporation.
Purchased GE's climate-control division in 1982; purchased by American-Standard in 1984. In 2007 American-Standard spun off its non-HVAC lines and changed the corporate name to Trane. Now owned by Bermuda-based Ingersoll Rand.
Last listed in 1972.
Last listed in 1962.
Fort Wayne, Indiana manufacturer of water-source heat pumps.
Former trade name of Addison Products, sold to Rheem in 1989.
Sold to Borg-Warner (York) in 1981 — sale rights included the names Moncrief, Luxaire and Fraser-Johnston, all now used by York International. The Westinghouse name is now used by Nordyne under license.
Became the Whirlpool Division of Heil-Quaker in 1972. The Tempstar name replaced Whirlpool after Inter-City Gas bought Heil-Quaker in 1986. In 2002 the Whirlpool name was used by Tradewinds Distributing on a line designed by and made by Armstrong.
Last listed in 1972.
Purchased by Hupp Industries (bankrupt 1991). The Williamson name was purchased by Metzger Machine (Milwaukee Thermoflo) and used on a furnace line; purchased in late 1999 by United Dominion (Weil-McLain's parent).
Became Mueller Climatrol in 1970 after being acquired by Fedders.
Formerly a division of Borg-Warner, York International was spun off. York also makes Fraser-Johnston, Luxaire, Moncrief, Winchester, Coleman-Evcon, AirPro and Red T. Purchased by Johnson Controls in 2005.
Whatever the nameplate says, odds are we've worked on one. Not sure what you have? Snap a photo of the data plate and send it over.
We service every brand on this list — and the ones too obscure to make it.