It is recommended to have your HVAC system serviced at least once a year, ideally before the start of the cooling or heating season. Regular maintenance helps ensure optimal performance, energy efficiency, and helps identify potential issues before they become major problems.

Common signs that your HVAC system may need repair include inconsistent temperatures, strange noises, unusual odors, poor airflow, and increased energy bills. If you notice any of these signs, it's best to schedule a professional inspection and repair service.

Most systems have a lifetime of 10 to 15 years, with gas furnaces lasting 20-25 years. As your equipment gets older, its efficiency can decrease dramatically. You may notice that it gets noisier and needs repairs more often. If you live near bodies of water or the ocean, your system’s life expectancy may be drastically shortened due to the harsh environment. If your system is over 10 years old, you should have your system checked for maintenance or replacement.

Check the documentation that came with your furnace. Recommendations vary based on a number of factors: the type of filter that you use, how many pets you have, whether anyone in your home has allergies, etc. If you use disposable fiberglass panel or electrostatic panel filters, you should change them anywhere from once a month to once every three months. Pleated filters generally last from 3 months to 6 months, again, always check your filter monthly, no matter what type filter you use. Filters are relatively inexpensive and easy to change, so there is little reason to wait. If you don’t change or clean your filter often enough the filter can get clogged with dust and other airborne particles, forcing your furnace to work harder to maintain airflow. This will reduce your furnace’s efficiency and can cause damage.

Putting a new system in a home that has not had central air and heat before will require the installation of ductwork, insulation, refrigerant piping, electrical service, wiring, thermostat, condensate piping, flue piping, flue terminations, chimney liner, slabs, filter, driers, registers, grills, drain pans and evaporator coil. Beyond equipment, the most important component installed with a new system, however, is the duct-work.

Duct-work is composed of two parts, supply and return. Supply duct is attached to the outflow of the new system, delivering air to each zone in a home. The amount of air reaching each zone is determined by the size of supply duct-work connecting it to your system. Your dealer will help you determine the size of all the supply duct-work in your home.

The second part of the duct-work, the return duct, attaches to the inlet of the new system and draws air out of the spaces to be heated or cooled. Attached to the return duct is the filter. The filter should be placed as near to the furnace or air handler as possible. Duct-work can be either fiberglass or metal and must be properly sized in order to evenly distribute the proper amount of air to each room.

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