Merit® Series Gas Furnaces Provide Reliable Heat When You Need it Most

You’ll find a wide variety of affordable and efficient gas furnaces at Airtronic Heating & Cooling in Redford. Our Merit Series products have earned high annual fuel utilization efficiency (AFUE) ratings, which measure how efficiently the equipment converts fuel to energy. Our systems are also constructed for reliability and a long product life, giving you the comfort you need throughout the coldest months of the year. Learn more about each product below, and call us at 313-230-4053 or schedule an appointment online to discuss a gas furnace replacement for your home.

ML195 Gas Furnace

You don’t need to break the bank buying highly energy efficient products that can help reduce your utility expenses. The ML195 gas furnace is affordable for almost any budget and has received an energy efficiency rating of 95% AFUE,* one of the best around. This furnace is a great choice for outstanding comfort, efficiency and reliability.

  • Sealed blower compartment for improved comfort and softer operating sounds
  • Stainless steel secondary heat exchanger – enables the furnace to realize higher efficiency levels by capturing extra heat
  • SureLight® ignitor allows reliable operation and a longer product life
  • Duralok Plus® heat exchanger – made of patented aluminized steel to ensure reliability and efficiency
  • 20-Year Limited Warranty on heat exchanger
  • 5-Year Limited Warranty on covered components (this product may be eligible for valuable 10-year Limited Extended Warranty coverage)
ML195 Gas Furnace
Efficiency Rating (SEER): 95
Price Guide: $

ML180 Gas Furnace

Economical is a great word to describe the ML180 gas furnace. Its 80% AFUE efficiency rating* which means the equipment efficiently converts energy into heat, and the sealed blower compartment traps this heat to decrease losses and improve efficiency. To add to its great features, this heating system is also affordably priced to fit nearly any budget.

  • Insulated blower compartment helps soften operation sounds
  • Dual-fuel capability lets you connect the furnace with an electric heat pump and alternate between gas and electric heat for the most efficient energy use possible
  • Duralok Plus® heat exchanger increases reliability and efficiency
  • Hot surface igniter – controls operation for a more reliable and efficient performance
  • 20-Year Limited Warranty on heat exchanger
  • 5-Year Limited Warranty on covered components (this product may be eligible for valuable 10-year Limited Extended Warranty coverage)
ML180 Gas Furnace
Efficiency Rating (SEER): 80
Price Guide: $

ML180E Mid-Efficiency Gas Furnace

The ML180E uses Power Saver™ technology to create an cost-effective and dependable furnace. By adjusting airspeed to demand, its constant torque motor operates more efficiently than a normal motor. In fact, it’s 33% more efficient. And a tightly sealed blower compartment limits air leakage to 1%, keeping you and your family more comfortable. This furnace also features:

  • Efficiency rating of up to 80% AFUE1—which can lower utility costs.
  • Power Saver™ constant torque motor changes airspeed to demand, minimizing energy use for heating and cooling.
  • iComfort®-enabled technology, when set up with an iComfort® E30 Smart Thermostat, can save you more on heating and cooling costs.
  • Dual-fuel capable—Pair with an electric Lennox® heat pump for maximum efficiency.
  • SureLight® hot surface ignition ensures a long life for your furnace.
  • Sealed blower compartment cuts back on heat loss.
  • Duralok Plus™ Heat Exchanger is made from strengthened ArmorTuf™ aluminum steel.
  • Robust blower assembly tops industry guidelines for even temperatures, increasing comfort.
  • Durable steel cabinet is made to last with a tough, yet attractive surface.
  • Air filter and humidifier compatible.
  • 20-Year Limited Warranty on the heat exchanger.
  • 5-Year Limited Warranty on all remaining covered components.
  • 10-Year Limited Extended Warranty with product registration—ask Airtronic Heating & Cooling for more information.2
ML180E Mid-Efficiency Gas Furnace
Efficiency Rating (SEER): up to 80
Price Guide: $


1Annual Fuel Utilization Efficiency (AFUE) measures how efficiently an appliance converts fuel into heat over the course of a year. 
2Covered components may be eligible to receive a 10-year warranty. Online equipment registration at is required within 60 days of installation (except in California and Quebec) or the Lennox® base warranty will apply. Applies to residential applications only. See actual warranty certificate for details.
Note: Due to Lennox’s ongoing commitment to quality, specifications and ratings are subject to change without notice.


Airtronic Heating & Cooling can take care of all your gas furnace replacement needs. If you’re needing gas furnace repairs or maintenance in Detroit, our staff has you covered. Simply give us a call at 313-230-4053 or use our online scheduler to set up an appointment.

* Annual Fuel Utilization Efficiency (AFUE) measures how efficient the appliance is in converting its fuel’s energy into heat over the course of a year.