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For over 100 years, Williams has designed and manufactured quality heating, ventilation, and air conditioning products for both the home and business. It all started in 1916, when Jesse Williams began building gas steam radiators in Los Angeles under the banner Williams Radiator Company. Williams’ commitment to quality was clear from the start, and the company’s product line expanded over the next few decades to include gas-fired heating, gravity wall heating and counterflow furnaces. By 1954, Williams had expanded to a nationwide player, with a distribution and sales network that reached customers throughout the United States.
Williams reputation for quality products only increased, and in 1958 they were acquired by Continental Materials Corporation, an AMEX-listed company whose notoriety brought new levels of prestige to the firm, now called Williams Furnace Company. The company acquired Hydro-Aire/LANCO in 1986, a major manufacturer of fan coils and air handlers. As a result, Williams now offers more fan coil sizes and configurations than any other HVAC company in all of the United States. Finally, the product line was expanded in 1996 to include room console heaters.
Jesse Williams understood that his company had to adapt to grow, and so do we. Today, numerically controlled machinery is used to ensure both precision and quality. All Williams products are tested to the highest standards according to specifications set by the National Bureau of Standards. Engineering, R&D, testing and manufacturing take place at our factory in Colton, California.
Above all, we aim to treat the customer with respect and integrity to ensure that our customers come to expect the same quality from us that they will from our fine line of products.
For nearly 100 years, Williams has offered a wide range of safety-tested, cost-efficient heating solutions to fit any home. From a studio apartment to a palatial estate, we’ve got you covered with a complete line of heating products, including both gas and electric furnaces. Come inside, and let Williams warm you up.
The AC2030T decides the amount of heat required and gives you 24,600 BTU's and adapt as necessary with its dynamic Response. IT will give you jus t enough heat for your desired environment for energy savings and a comfortable, consistent temperature. It is a great solution for spaces up to 1,000 sq.ft. The AC2030T comes with a newly designed programmable thermostat. This new furnace is also very efficient offering 28% AFUE and Ultra low NOx emissions. The AC2030T will work to safely distribute heat throughout any indoor space at minimal cost.
Easily installed as a recessed or as a surface-mount unit, this single-side furnace is great for use in homes, schools, cabins, apartments, and shops, for ample heat and comfort wherever it is required. This unit does not have a standing pilot so there is no need to relight it when your heating season begins. This helps to save energy as well as eliminate methane gas emissions
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Williams Furnace Free Standing Accessory , 102 Maximum Height ![]() This Freestanding Kit allows single-sided furnace to be surface mounted instead of recessed. Ideal for remodeling in existing masonry wall construction or when studding is substandard.
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Williams Furnace Face Panel for AC2030T and Monterey Furnaces ![]() Now you can replace the worn face panel on your Monterrey furnace. With this replacement face panel your Monterey Plus Top Vent Furnace will look like new. Use on Monterey SRO Furnaces. This face panel is for use with Monterey Top Vent Models:
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Williams Furnace Rear Outlet Register Motorized for 2509/3509 Series Surface Mounted (AC Models only) ![]() This motorized rear outlet register is to be used on your Monterey Plus Top Vent Furnace when it is surface mounted on a wall. It adjusts the amount of heat delivered through rear register. Motorized for increased airflow.
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Williams Furnace M116874 Installation Kit with Thermostat ![]()
Important
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Williams Furnace 9902 Vent Adapter (Freestanding Installations) without a Blower Installed

This vent adapter is to be used only in a surface mounted/freestanding installation of a Monterey and Forsaire Single Sided Heater. To be used when there is no blower installed.
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Oval Vent Starter Kit (includes hold-down plate) US
![]() Convert from an oval to round vent with this easy-to-use conversion kit. Includes:
For use with Forsaire 3508, 5008, 5508, and 6508 Top Vent Furnaces.
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Oval Vent Starter Kit (includes hold-down plate) Canada ![]() Convert from an oval to round vent with this easy-to-use conversion kit. Includes:
For use with Forsaire 3508, 5008, 5508, and 6508 Top Vent Furnaces.
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Safety Information : CA Prop 65 Warning
Safety Information : CA Prop 65 Warning
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