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

You’ll find a full selection of affordable and efficient gas furnaces at Hammack Service Company in Richardson. Our Merit Series products offer high annual fuel utilization efficiency (AFUE) ratings, which measure how efficiently the equipment converts fuel to energy. Our systems are also made for reliability and a long product life, providing comfort and warmth on even the coldest days of the year. Find specifics about each system below, and call us at 972-669-9192 or set up an appointment online to talk to one of our team members a gas furnace replacement for your home.

ML180 Gas Furnace

Economical is the perfect word to describe the ML180 gas furnace. Its 80% AFUE efficiency rating*, meaning the equipment efficiently converts energy into heat, and the sealed blower compartment keeps this heat inside to decrease losses and improve efficiency. This product 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 the most efficient energy use possible
  • 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: $

Hammack Service Company can assist with all your gas furnace replacement needs. If you’re needing gas furnace repairs or maintenance in Richardson, our staff has you covered. Just give us a call at 972-669-9192 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.