|
| The evolution of furnace technology has undergone rapid advancement in the last decade, making any furnace manufactured prior to 1990 an obsolete design. A proper assessment of your equipment by a qualified contractor should provide you with a good evaluation of life expectancy and safety issues. It is generally recommended that equipment more than 10 years old be thoroughly inspected on an annual basis. Time to replace the old beast? Check out our tips and estimate software for prospective purchases. |
|
|
|
|
|
|
|
|
|
|
