A. 15 to 20 years, depending on how well the unit is taken care of.
A. Once a month.
Q. Should I have maintenance done on my unit?
A. Yes. You wouldn’t drive your car 100,000 miles without changing the oil. The same logic holds true for your home comfort system. Regular preventative maintenance is the best way to ensure trouble-free operation and peak performance. Pre-season maintenance is also important. It can help to avoid a system failure in severe hot or cold weather when you need it most, and it can also keep your energy bill from getting out of control.
Q. How often should I have maintenance done on my unit?
- For a system that heats and cools: perform maintenance in the spring and fall.
- For cooling only: perform maintenance at least once a year, before the cooling season.
- For heating only: perform maintenance at least once a year, before the heating season.
A. Duct cleaning is not generally necessary; please see what the EPA has to say about this: http://www.epa.gov/iaq/pubs/airduct.html
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