Q: How often should I change my air conditioner filter?

A: A good rule is to change them when they are dirty. It is probably a good idea to change them every 30-60 days. 1″ filters should be replaced once per month. 4″ filters or Space Guard Type filters are normally good for three to six months and sometimes longer. However, if you suffer from allergies it might be a good idea to change the filter more often.


Q: How often should I have my HVAC unit inspected by a professional?

A: To save money in the long run, you should have your HVAC unit inspected annually. The best time to get it inspected is when the seasons are changing either early Spring or Late Fall.


Q: Should I have my air ducts cleaned?

A: Yes you should clean your air ducts at a minimum of every six to seven years. If you have health problems they should be cleaned more often. The ducts should be cleaned if there is substantial visible mold growth inside the duct, if the ducts are infested with insects or rodents, or if the ducts are clogged with excessive amounts of dust and debris.

What The Experts Say

Not all Ankeny heating and cooling companies are made equal. Before you spend thousands of dollars on repairs or a new furnace or air conditioning unit, make sure you are asking the right questions and carefully analyzing your contractor’s responses. It is absolutely essential to hire a contractor with a reputation for integrity and trustworthiness.

For example, national surveys have shown that over half of heating and cooling contractors do not size heating and cooling systems correctly. Here are some tips from the United States Department of Energy and Consumer Reports you would be wise to follow to ensure that you get a heating and cooling unit that is correctly sized for your home or business.

"Insist upon a correctly calculated system sizing before you ever sign a contract. Be cautious relying on a contractor who recommends existing size or a sizing calculation based on square footage. Ensure that contractors are determining size using an industry recognized and reliable calculating method. Be very leery of contractors who base their size suggestion on vague rules of thumb or estimates based on the size of your home."

-From the United States Department of Energy and Consumer Reports


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