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"We’re proud of the company we keep"

In the wake of the Coronavirus, we’ve got a few more ideas and products to add to your toolbox.  Try these solutions from Nu-Calgon.

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Heating and Cooling

Investing in new heating and cooling equipment is the best way to ensure optimal energy-efficiency and low energy bills at your residential or commercial property. When searching for the right brands to meet your budget and your needs, there is no better place to turn than William E. Kingswell. Our skilled staff can help guide you through all of your options, even if what you end up choosing is not available from us. We know that you’ll love experiencing the William E. Kingswell, Inc. difference firsthand.

Heating Equipment

William E. Kingswell stocks reputable manufacturers at numerous price points to meet the diverse needs of our contractors, engineers, and customers. From electrical heating equipment for multi-family units to traditional boilers, we have the heating equipment that you need at competitive prices you’ll love.

Cooling Equipment

Whether you’re looking for a heat pump that offers both heating and cooling capabilities or a traditional central air conditioning unit, William E. Kingswell can help! Our staff members can help you find the right air conditioning solution for your home, commercial building, or apartment building.

Our Brands

Electrical Heating Equipment and Heat Pump Brands

Coil Brands and Controls

Control Brands

  • Columbus Electric
  • Honeywell
  • Robertshaw
  • Johnson
  • Kreuter
  • Siemens

Water Heater Brands

  • Bock
  • MOR-FLO American

Boiler, Furnace, and Convector Brands

Unit and Duct Heater Brands

Cooling Brands

We Are Proud of the Company We Keep

William E. Kingswell has remained a distinguished provider of commercial and residential heating and cooling services since 1937. We have provided an unmatched level of customer service to all of our clients, and we enjoy being the preferred HVAC equipment distributor of countless customers. We offer a comprehensive range of high-quality heat pumps, boilers, unit heaters, HVAC accessories, and more. William E. Kingswell works with businesses and homeowners throughout Maryland, Washington, D.C., and Virginia, including Baltimore, Frederick, Annapolis, Fairfax, Manassas, Richmond, Fredericksburg, Virginia Beach, and Leesburg. To learn more about our extensive range of SpacePak, Concord, Allied Commercial, and Bard HVAC equipment, contact us today!