An appeal of gas furnaces is that they provide ample yet cost-effective heat. Furnace malfunctions can cause fuel consumption and heating costs to rise dramatically. That’s why Top Air Heating & A/C recommends proactively scheduling gas furnace repair in Riverside, CA, as soon as you notice an issue. If you have an older system, gas furnace replacement may be the better solution. Modern furnaces are much more efficient than those made 15 years ago.