MacFarlane Energy installs durable, high-efficiency furnaces from some of the industry's leading manufacturers. Here is a look at the manufacturers we represent and their products.


As a Dave Lennox Premier Dealer, MacFarlane Energy is a proud seller and installer of the complete line of Lennox’s state-of-the-art gas and oil furnaces. Variable capacity, variable speed and two-stage heating are just a few of the technological breakthroughs you will discover with Lennox furnaces. Realize unprecedented energy savings with annual fuel utilization efficiency (AFUE) ratings up to 98.7 percent, and take advantage of a number of valuable rebate opportunities.

Lennox Logo

Lennox Premier Dealer Logo

With a Lennox furnace, you will enjoy:

  • PreciseComfort® tech for consistent temperatures on even the coldest days
  • Unprecedented energy efficiency at up to 98.7 percent AFUE
  • Dual-fuel options (oil or gas and electric)
  • SilentComfort™ tech for whisper-quiet operations
  • Smart thermostat compatibility
  • Complete integration with Lennox A/C and IAQ systems
Two men working on a furnace


Williamson LogoMulti-speed, variable speed, low boy, high boy or packaged multi-position: Williamson furnaces come in a variety of sizes and configurations, with the power to heat any home efficiently and effectively. The product line’s versatility is matched only by the company’s reputation for building long-lasting, reliable equipment. Williamson has over 100 years of experience in the HVAC industry, and it shows every time you switch on one of their furnaces.

MacFarlane Energy also installs:

  • Rheem furnaces
  • ThermoPride furnaces
  • Hallmark furnaces
  • York gas furnaces
  • Trane gas furnaces
  • Carrier gas furnaces
  • Concord gas furnaces
  • American Standard gas and oil furnaces

To request a free evaluation of your furnace or inquire about a replacement, please contact us online or call our office.