For nearly 100 years, Williams has offered a wide range of safety-tested, cost-efficient heating solutions. Williams compact, space saving furnaces featuring simple, low-cost installation. Attractive and economical, Direct vent gas heaters are a popular choice for heating the home, garage, and backyard greenhouse. Williams direct vent gas heaters are made in the USA.

Williams DV Gas Heater Features

  • BTU Range: 14,000 to 30,000 BTUs
  • Heater Efficiency: 70% to 75%
  • No electricity required for operation
  • Sealed / Separated combustion (venting included)
  • Wall mount design takes up very little space in room
  • Can be automated with a thermostat

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Williams DV14 Direct Vent Gas Heaters  williams, direct, vent, gas, heater, furnace, wall, mount, dv, vented, greenhouse, sealed, 1403822, 1403821, 4100105, 4100100
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Price: $897.00
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Availability: In Stock - Usually ships in 1 to 2 days.

    Sealed Combustion & No Electricity Required!Williams direct vent wall heater draws outside air to the sealed combustion chamber and vents exhaust gases directly outside. This feature is highly recommended if you grow orchids. No electricity required, so heater will continue to operate normally even during an electrical power outage. Great heating option for greenhouses, garages, rooms in homes, and work shops.Williams Direct-Vent heaters are designed for quiet operation. Convenient, Piezo...

    Williams DV22 Direct Vent Gas Heaters  williams, direct, vent, gas, heater, furnace, wall, mount, dv, vented, greenhouse, sealed, 2203822, 2203821, 4100115, 4100110
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    Price: $1,229.00
    Availability: In Stock - Usually ships in 2 to 3 days.

      Sealed Combustion & No Electricity Required!Williams direct vent wall heater draws outside air to the sealed combustion chamber and vents exhaust gases directly outside. This feature is highly recommended if you grow orchids. No electricity required, so heater will continue to operate normally even during an electrical power outage. Great heating option for greenhouses, garages, rooms in homes, and work shops.Williams Direct-Vent heaters are designed for quiet operation. Convenient, Piezo...

      Williams DV30 Direct Vent Gas Heaters williams, direct, vent, gas, heater, furnace, wall, mount, dv, vented, greenhouse, sealed, 3003822, 3003821, 4100125, 4100120
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      Price: $1,297.00
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      Availability: In Stock - Usually ships in 2 to 3 days.

        Sealed Combustion & No Electricity Required!Williams direct vent wall heater draws outside air to the sealed combustion chamber and vents exhaust gases directly outside. This feature is highly recommended if you grow orchids. No electricity required, so heater will continue to operate normally even during an electrical power outage. Great heating option for greenhouses, garages, rooms in homes, and work shops.Williams Direct-Vent heaters are designed for quiet operation. Convenient, Piezo...

        Williams Model 2302 Blower for DV22 & DV30 Heaters
        Price: $239.00
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        Availability: In Stock - Usually ships in 1 to 2 days.
        Item #: 4100155 -

          Blower for Williams 22,000 & 30,000 BTU heatersThis 135 CFM blower is a recommended option which directs the hot air coming out of the top of the heater downward where you need it. It can be added at any time. Includes prewired 6 ft. power cord. Requires 110/120v electricity. Does not impede heater from running when power is off. This blower mounts inside the heater cover and has an On/Off switch with pull chain and adjustable thermostat. Thermostat range is 90° to 130°. ...

          Williams Model 2303 Blower for DV14 Heater
          Price: $229.00
          Availability: In Stock - Usually ships in 1 to 2 days.
          Item #: 4100150 -

            Blower for Williams 14,000 BTU heaterThis 125 CFM blower is a recommended option which directs the hot air coming out of the top of the heater downward where you need it. It can be added at any time. Includes prewired 6 ft. power cord. Requires 110/120v electricity. Does not impede heater from running when power is off. This blower sits on top of the heater and has an On/Auto/Off switch. Dimensions: 18" x 3.5" x 4.5" Setting FunctionsON - blower stays on continuouslyAUTO - blower comes on when...

            Williams Thin Wall Collar  williams, heater, thin, wall, collar, kit, dv, furnace, 9307, direct, vent, wall, mount
            Price: $45.00
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            Availability: In Stock - Usually ships in 1 to 2 days.
            Item #: 4100160 -

              This kit extends the vent cap away from the exterior wall which is needed when mounting the vent cap to vinyl siding or greenhouse coverings to prevent heated exhaust air from damaging those materials. The thin-wall collar is also used needed when venting through walls less than 4 1/2" thick. Williams Thin Wall Collar Installation Manual ...

              SureStat TS110 Waterproof Heating / Cooling Thermostat
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              Retail: $42.89
              Price: $35.95
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              Availability: In Stock - Usually ships in 1 to 2 days.
              Item #: 4820930 -

                SureSTAT TS110 thermostats have a watertight enclosure making them an excellent option for wet environments. The single stage thermostat can be used to automatically control ventilation fans or heaters. This thermostat was developed with the harsh greenhouse environment in mind. Temperature coil is stainless steel to prevent corrosion. SPDT switch. Wiring required. SureStat Thermostat Features Wide temperature range: 30° to 110° F Fixed 3 degree temperature differential Can be used with...

                Williams DV Heater Vent Extension Kit
                Price: $99 - $118
                Availability: In Stock - Usually ships in 1 to 2 days.
                Item #: 410017 -

                  Williams DV heater vent extensions allow the heaters to be vented through walls over 9" thick. Kits are availabe in 15" and 24" lengths. 24" is the maximum venting distance allowed for the DV heaters. Kit Specifications Model 9301 - 15" extension for DV22 & DV30 heatersModel 9302 - 24" extension for DV22 heaterModel 9303 - 24" extension for DV14 & DV30 heatersModel 9304 - 15" extension for DV14 heater Item # 410017, 4100170, 4100172, 4100174, 4100176 ...

                  RobertShaw Programmable Heating Thermostat thermostat, heating, low, voltage, programmable, digital, thermastat, best, heater, heat, 24, robertshaw, robert, shaw
                  Price: $34.95
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                  Availability: In Stock - Usually ships in 1 to 2 days.
                  Item #: 4820085 -

                    The Robertshaw programmable thermostat can control any of our gas heaters with ease. It is easy to program and helps you save money on energy costs by allowing you to set back the temperature during the night or when you’re away. Convenient 5/1/1 day programming lets you customize your weekday and weekend schedule based on your needs. Unit also allows an appliance to be cut off when you do not want it to be thermostatically controlled. Features a large easy-to-read LCD display with backlight....

                    White Rodgers Low Voltage Heating Thermostat heater, thermostat, low, voltage, 24, millivolt, gas, Lux, mechanical, control, modine, sterling, williams
                    Price: $25.95
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                    Availability: In Stock - Usually ships in 1 to 2 days.
                    Item #: 4820083 -

                      This simple heating thermostat can be used with any of the gas heaters that we offer. A useful feature in the summer and winter. Thermostat has a temperature range of 50° to 90° F, a separate thermometer display for determining room temperature, and requires wiring. Thermostat Features 50° to 90° F temperature rangeDisplays room temperatureFor use with 24 volt or millivolt single stage heaters