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

You’ll find a large collection of affordable and energy efficient gas furnaces at Custom Air Systems Inc in Port St. Lucie. Our Merit Series products have earned high annual fuel utilization efficiency (AFUE) ratings, which measure how efficiently the equipment converts fuel to energy. These products are also made for reliability and a long product life, giving you the comfort you need throughout the coldest months of the year. Learn more about each system below, and call us at 772-247-2283 or set up an appointment online to learn about a gas furnace replacement for your home.

ML195 Gas Furnace

You shouldn’t have to break the bank buying highly energy efficient products that can help reduce your utility expenses. Our ML195 gas furnace is affordable for most all budgets and has earned an energy efficiency rating of 95% AFUE,* one of the highest available. This furnace is a nice option for impressive comfort, efficiency and reliability.

  • Sealed blower compartment improves comfort and helps minimize operating sounds
  • Stainless steel secondary heat exchanger – enables the furnace to achieve 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: $

ML193 Gas Furnace

If reliability is a top priority in a gas furnace for your Port St. Lucie area home, you should note that the ML193 is packed with features that increase reliable performance. Its Duralok Plus® heat exchanger, SureLight® ignitor and durable steel cabinet all constructed with materials that help contribute to more reliability and longer product life. Finally, with an AFUE rating* of 93%, this energy efficient gas furnace can help you save on your monthly utility bills.

  • 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 – to help increase reliability and efficiency
  • Dual-fuel capability – similar to a hybrid car, this system, when combined with an electric heat pump, will alternate between electric and gas heat for maximum 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)
ML193 Gas Furnace
Efficiency Rating (SEER): 93
Price Guide: $

ML180 Gas Furnace

Economical is the perfect word to describe the ML180 gas furnace. Its 80% AFUE efficiency rating* which means the unit efficiently converts energy into heat, and the sealed blower compartment traps this heat to reduce losses and boost efficiency. If that wasn’t good enough, this furnace is also affordably priced to fit nearly any budget.

  • Insulated blower compartment helps minimize operation noises and make your home more peaceful
  • Dual-fuel capability enables you to connect the furnace with an electric heat pump and alternate between gas and electric heat for optimal energy use and lower heating costs
  • Duralok Plus® heat exchanger increases 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: $

ML180E Mid-Efficiency Gas Furnace

The ML180E uses Power Saver™ technology to create an economical and dependable furnace. By adjusting airspeed to demand, its constant torque motor performs more efficiently than a regular motor. In fact, it’s 33% more efficient. And a tightly sealed blower compartment reduces 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 energy expenses.
  • Power Saver™ constant torque motor alters airspeed to demand, minimizing energy use for heating and cooling.
  • iComfort®-enabled technology, when connected 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 top efficiency.
  • SureLight® hot surface ignition ensures longevity for your furnace.
  • Sealed blower compartment cuts down on heat loss.
  • Duralok Plus™ Heat Exchanger is made from reinforced ArmorTuf™ aluminum steel.
  • Robust blower assembly tops industry guidelines for consistent temperatures, enhancing comfort.
  • Durable steel cabinet is made to last with a resilient, yet attractive appearance.
  • 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 Custom Air Systems Inc 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 www.lennoxregistration.com 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.

 

Custom Air Systems Inc can take care of all your gas furnace replacement needs. If you’re needing gas furnace repairs or maintenance in St. Lucie County, our staff has you covered. Give us a call at 772-247-2283 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.