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

With an AFUE efficiency rating* as high as 95%, you know energy efficiency is major feature of this gas furnace. Combine this rating with the ML195’s strong build and other energy saving features, and you’ll experience possibly hundreds of dollars in savings on your yearly utility expenses. Even better, the ML195 is priced to accommodate nearly all budgets and can help create a warm haven for your home year after year.

ML193 Gas Furnace

The ML193 gas furnace will keep your Rock Hill area home warm and cozy for many years with its high reliability features. Plus, this system won’t an arm and a leg. You may actually save on your utility expenses thanks to the high energy efficiency of this equipment. It has an efficiency rating of 93% AFUE,* and its durable steel cabinet traps warm air to maximize efficiency.

  • Sealed blower compartment for a quiet operation and less than 1% leakage at 1.0” ESP
  • SureLight® ignitor offers reliable operation
  • Duralok Plus® heat exchanger helps improve reliability and efficiency
  • Dual-fuel capability – can combine with an electric heat pump to enhance comfort and fuel efficiency by alternating 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’re trying to stay within a budget for your gas furnace replacement, the ML180 is a good option that won’t make you sacrifice reliability or efficiency. You may likely experience benefits after you buy: since the AFUE efficiency rating* on this system is 80%, you could see a reduction in your annual utility costs. That’s the kind of return on investment we like to see.

  • Insulated blower compartment helps keep your home quieter and more peaceful
  • Dual-fuel capability allows you to pair the furnace with an electric heat pump and alternate between gas and electric heat for maximum energy efficiency and reduced heating costs
  • Duralok Plus® heat exchanger helps improve reliability and efficiency
  • Hot surface igniter – controls operation to enable 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 eager to help with your gas furnace replacement. Give US Air Heating and Cooling in Rock Hill a call at 803-980-4328 or schedule an appointment online to get started. Our team work with 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.