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

With an AFUE efficiency rating* at 95%, you know energy efficiency is big feature of this gas furnace. Add this rating to the ML195’s strong build and other energy saving features, and you could see possibly hundreds of dollars in savings in annual utility expenses. To make things even better, the ML195 is affordable for most budgets 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 big feature of this gas furnace. Add this rating to the ML195’s strong build and other energy saving features, and you could see possibly hundreds of dollars in savings in annual utility expenses. To make things even better, the ML195 is affordable for most budgets and can help create a comfy haven for your home year after year.

  • Sealed blower compartment helps decrease operation sounds and improves comfort
  • 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 Indian River County area home warm and cozy for years with its high reliability features, which it can do affordably. 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 enhance efficiency.

  • Sealed blower compartment for softer operating sounds and less than 1% leakage at 1.0” ESP
  • SureLight® ignitor allows reliable operation
  • Duralok Plus® heat exchanger to ensure reliability and efficiency
  • Dual-fuel capability – can be paired 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’re trying to stay within a budget for your gas furnace replacement, the ML180 is an ideal option that won’t make you sacrifice reliability or efficiency. You’ll even see benefits after you buy: since this system has received an AFUE efficiency rating* of 80%, you could see a reduction in your annual utility bills. How’s that for a return on your investment?

  • 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 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 Custom Air Systems Inc in Indian River County a call at 772-571-1080 or set up an appointment online to get started. Our team can take care of gas furnace repairs and maintenance, too, so call us for all your 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.