Natural gas is one of the most economical sources ... If a repair will cost more than 50 percent of the remaining value of your furnace, then replacement is a good idea. If the cost is less ...

Likewise, Rule 1111 targets natural gas furnaces – if your furnace fails ... Don’t even think about buying replacement units in other states and importing them. You will not be allowed to ...

“This is similar to what they did with natural gas furnaces, where they set a standard so high that while they may be more efficient, the cost is higher, and what they really did was take the ...