Maximum Efficiency

Maximum Efficiency Gas Furnaces – Saving Green for You and the Environment

Energy efficiency never felt so good. Literally. Our maximum efficiency gas furnaces will keep your house warm and comfortable, and they’ll do so with extreme energy efficiency. In fact, these products boast maximum efficiency for all gas furnaces we have. Find more details for each product below. After you’ve narrowed down your selections, give Donelson Air Service Experts Heating & Air Conditioning in Nashville a call at 615-953-9885. We’ll give you a free quote and answer all your furnace-related questions.

Lennox SLP98V Gas FurnaceSLP98V

If you only gave us one word to describe the SLP98V, we’d probably pick “perfect.” That’s pretty convincing in itself, but it doesn’t do justice to the benefits and features of this mighty gas furnace. First of all, this is one of the most energy-efficient furnaces you can get.1 With an AFUE rating of up to 98.2% and a Most Efficient designation by ENERGY STAR®, the SLP98V can save you more than $800 a year.2 That’s a lot of money. But it’s not the only outstanding part of this product. The SLP98V is built with many features, including:

  • Variable-capacity system – this means it automatically adjusts as necessary to run at maximum efficiency. Yes, we already talked about efficiency, but this system is simply too good.
  • SilentComfort™ technology and variable speed blower – lowers sound levels
  • Duralok Plus™ Heat Exchanger – ensures high reliability and efficiency
  • Self-calibrating variable speed inducer – for cleaner combustion
  • SureLight Control Board – controls all furnace operations and is iComfort™ compatible

All around, this unit has almost endless features to stay reliable and energy efficient. Call 615-953-9885 or schedule a free appointment online to learn more about gas furnaces in Nashville.

Lennox SL280V Gas FurnaceSL280V

Across North America, and in Nashville, there isn’t a gas furnace quieter than this one. The SL280V features a variable speed motor and special sound-absorbing materials to make it 4.5 times quieter than the competition. In fact, it’s the quietest in its class3 and helps you feel comfortable without being disrupted by the furnace’s operating sounds. We suppose we can make that sacrifice...

Discover more features of the SL280V, like its:

  • Two-stage gas valve – alters the amount of gas used for more accurate temperature control
  • SureLight® Ignitor – to ensure a long life and reliable operation
  • Sealed Blower Compartment – minimizes heat loss and maximizes efficiency
  • High efficiency variable speed motor – which may help decrease your energy bills

Lennox EL296E Gas FurnaceEL296E

The EL296E gas furnace is all about the numbers. We’ve selected three that make the biggest impact. First, the EL296E reached AFUE rating of up to 96%, which is not only above average, but it could save hundreds each year on your utility expenses. Next, the EL296E’s Power Saver™ Constant Torque motor is up to 33% more efficient than standard single-stage motors and up to 200% more efficient when it’s in constant fan mode. Other features include:

  • ENERGY STAR® certified
  • Higher SEER ratings in cooling mode – keeps energy waste low
  • Two-stage gas valve – varies heating output for increased efficiency
  • Sound-absorbing insulation – for quiet operation
  • SureLight® igniter and control board – ensures long product life and high reliability

Let Donelson Air Service Experts help with all your Nashville area gas furnace needs. Schedule your free appointment today.


1 Based on sound pressure levels during steady-state, high-fire and low-fire operation of Lennox SLP98UH070XV36B and leading competitive units as of July 2013 at mid-point temperature rise and minimum external static pressure when set up per Section 4.4.4 of AHRI 260-2012. Efficiency ratings established per test standard: ANSI/ASHRAE 103-2007.

2 Savings amounts depict potential energy savings you can expect from Lennox® furnaces, versus a 65% AFUE model. Your actual savings may vary depending on the weather patterns in your local area, local fuel rates and you individual lifestyle.

3 Based on sound pressure levels during steady-state, high-fire operation of Lennox SL280UH070V36A and leading competitive units at mid-point temperature rise and minimum external static pressure when set up per Section 4.4.4 of AHRI 260-2012.

Donelson Air Service Experts Heating & Air Conditioning
2710 Old Lebanon Rd. Suite 15
Nashville, Tennessee 37214

Phone: 615-953-9885
Email: donelsonac@serviceexperts.com
License # TN 21364, HM04510, KY