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

With an AFUE efficiency rating* at 95%, you know energy efficiency is major part of this gas furnace. Compare the rating with the ML195’s durable build and other energy saving features, and you’re looking at possibly hundreds of dollars in savings in annual utility expenses. It’s also helpful to know the ML195 is affordably priced and can help create a comfy haven for your home year after year.

ML195 Gas Furnace

With an AFUE efficiency rating* at 95%, you know energy efficiency is major part of this gas furnace. Compare the rating with the ML195’s durable build and other energy saving features, and you’re looking at possibly hundreds of dollars in savings in annual utility expenses. It’s also helpful to know the ML195 is affordably priced and can help create a comfy haven for your home year after year.

  • Sealed blower compartment helps keep the heat in and reduce operating noises
  • Stainless steel secondary heat exchanger – enables the furnace to reach higher efficiency levels by capturing extra heat
  • SureLight® ignitor helps ensure reliable operation and a long 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: $

ML193 Gas Furnace

The ML193 gas furnace will keep your Stuart area home warm and comfortable for years with its high reliability features. And, it’ll do so without breaking the bank. You may actually save on your utility expenses thanks to the high energy efficiency of this equipment. It has earned an efficiency rating of 93% AFUE,* and its durable steel cabinet traps warm air to increase efficiency.

  • Sealed blower compartment for a quiet operation and less than 1% leakage at 1.0” ESP
  • SureLight® ignitor enables reliable operation
  • Duralok Plus® heat exchanger to ensure reliability and efficiency
  • Dual-fuel capability – can be used with an electric heat pump to enhance comfort and fuel efficiency by changing between electric and gas heat
  • 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)
ML193 Gas Furnace
Efficiency Rating (SEER): 93
Price Guide: $

ML180 Gas Furnace

If you need to stay within a budget for your gas furnace replacement, the ML180 is a great option that doesn’t sacrifice reliability or efficiency. You’ll find the benefits keep coming even after your purchase: since the ML180 has earned an 80% AFUE efficiency rating*, you could experience lower monthly utility bills. That’s the kind of return on investment we like to see.

  • Insulated blower compartment helps create a quieter and more peaceful home
  • Dual-fuel capability allows you to connect the furnace with an electric heat pump and alternate between gas and electric heat for increased fuel efficiency and reduced heating costs
  • Duralok Plus® heat exchanger ensures reliability and efficiency
  • Hot surface igniter – controls operation to maintain a 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: $

We’re ready to help with your gas furnace replacement. Give Nisair Air Conditioning in Stuart a call at 772-318-4252 or schedule an appointment online to get started. Our staff can take care of gas furnace repairs and maintenance, too, so make us your first call for any heating system needs.


* 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.