Skip Navigation

"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.

View Here

Furnaces and Convectors

Furnaces and convectors are popular heating choices for many home and business owners. Many of our furnaces come along with best-in-class manufacturer warranties so that you can feel good about the investment you’re making. William E. Kingswell is a prominent HVAC wholesaler of furnaces and convectors, and our staff would love to work with you to find the right heating solution for your property.


We stock both electric and gas furnaces to meet your needs, from modern and energy-efficient electric furnaces to gas furnaces that offer powerful heat for an impressively low price. How can you choose the right furnace for your property?

Energy Efficiency Ratings

Furnace efficiency is measured in AFUE (Annualized Fuel Utilization Efficiency). Average ratings range from 78-98%, with higher ratings meaning higher energy efficiency.

Motor Type

Furnaces that are designed with variable speed motors are adept at adjusting to humidity levels. Constant torque motors decrease operating costs and boost overall system performance.


William E. Kingswell also offers a variety of residential and commercial convectors to complement your heating system.

Our Brands

Boiler, Furnace, and Convector Brands