Archive for May, 2014


One of the easiest and most beneficial maintenance steps to keep your A/C running smoothly all summer long is to change the filter regularly. But just how often is “regularly?” And how do you remember the next time you should change the filter?

When to Change Your Air Conditioner’s Filter

The most recognized rule of thumb is to check the filter once a month and change it when it appears dirty, letting no more than 90 days pass between changes. This is good advice, but your needs may vary based on a few factors including:

  • The type of filter you use: 1- to 3-inch filters fit within the rule of thumb to change the filter every 30 to 90 days, but high-efficiency filters may have different requirements. Check with the manufacturer for more details if this applies to you.
  • Your sensitivity to airborne pollutants: If you have allergies, you could benefit from changing the filter every month without fail.
  • The presence of pets in your home: If you have one or more pets, the A/C filter is likely to fill up faster than one found in a home without animals. That means you need to change the filter closer to the 30-day mark to prevent airflow from becoming restricted.
  • Level of pollution inside and around the home: If you live near a construction zone or you have a generally dusty or polluted home for another reason, cleaning the filter monthly could help keep the indoor air cleaner.
  • Occupancy of the home: The more people who live in your home, the more airborne pollutants you can expect to have. This means monthly filter replacement is recommended. On the other hand, if you have a vacation home where you only spend half the year, you can easily get away with changing the filter every 6 to 12 months.

Remembering to Change the Filter

You probably don’t think about the A/C filter every day. Use these tips to help you remember when to change the filter:

  • Write the replacement date on the edge of the filter.
  • Make a note on the calendar to check the filter one month after you replace it.
  • Set a reminder on your phone.
  • Sign up for email alerts from your HVAC contractor.

For more tips about changing your A/C filter, please contact the professionals at GAC Cooling & Heating (Gaithersburg Air Conditioning & Heating), meeting all your HVAC needs since 1970. If you need a new replacement air filter, we offer them as single filters or by the case (depending on the filter) at our office at:

227 E. Deer Park Drive
Gaithersburg, MD 20877

Category : Air Conditioning | Air Quality | Maintenance Agreements | Blog

The average air conditioning system will last between 10-15 years. Even if your air conditioning system has not stopped working completely, it could be worth looking into replacing your older system for a new system that is more energy efficient.

How Much Will it Cost to Replace Your Air Conditioning Unit?

The cost of air conditioning replacement has many variants, including:

  • The size of your home
  • The age of your home
  • What type of unit you choose to install
  • If your house needs new or replacement ductwork
  • Etc.

The average cost to replace an air conditioning unit, without any work to the current ductwork, generally starts around $2,750. This price will include the A/C unit and labor costs. These prices are only indicative of a new cooling system, if you also need to replace your heating system this price will increase.

*Note – The price of a new air conditioning system will vary and depends upon your home”s specific needs.

What’s Included in the Cost of My Air Conditioner Replacement?

There are many things that you should expect to be included in the total cost or your replacement.

  • Delivery and transportation of your chosen air conditioner unit should be included in the total cost.
  • Preparation of the work site including any work to protect existing structures.
  • Installation of the new unit.
  • Cleanup and removal of the old unit and any other debris caused by the air conditioning installation.

The Advantages of Replacing an Air Conditioning Unit

If you look at the cost of replacing a unit and wonder if it is worth it, you may want to consider the advantages a new unit may bring to your home. Here are just a few advantages to consider when deciding on a new system:

  • Lower utility bills
  • Fewer repair calls and costs
  • Rebate eligibility
  • Quieter operation

What to Consider before Replacing an Air Conditioning Unit

There are many reasons why an HVAC specialist may suggest replacing your current air conditioning unit with a new model:

  • The age of your unit can help you decide on whether to replace your unit. If your air conditioner is between 10-15 years old, it may be more cost efficient to replace the unit, especially if your unit is no longer under warranty.
  • If your unit is in need of frequent repairs, the repairs may end up costing you more than a new unit in the long run.
  • Air too dry in the winter or too humid in the summer can mean that your equipment is failing or it cannot handle the current workload.
  • If you hear excessive noise coming from the air conditioning units or the vents, this can be a sign that your unit is undersized.

If you are considering replacing your air conditioning unit or would like to know more, contact us today for a free replacement estimate.

Category : Air Conditioning | Blog