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Welcoming a cat or dog into your household provides you with constant love and friendship. It also means learning how to protect your furnishings and appliances from your pet’s innate playfulness and curiosity. Although your central heating and air conditioning system might be predominantly out of sight, it’s also at risk. Protect it by learning the different ways your new furry friend can become a threat. 

How Pets Affect Central Heating & Air Conditioning Systems

1. Damage Outside Wiring

Your system’s outdoor unit has wires that connect it to the main electrical panel inside your home. If these wires are not enclosed, they can pose a risk to your outdoor pets, especially if they are prone to chewing on things. Have a professional HVAC contractor perform this work to ensure the wires are safely covered. 

2. Clog Up the Filter

central heatingWhen you have one or more furry or feathery friends living in your home, expect your HVAC’s air filter to get dirty a lot faster thanks to pet hair and dander. To prevent the screen from becoming fully clogged and reducing airflow to your air conditioner or heater, change the filter every month. You can also reduce pet shedding by brushing your animals and vacuuming multiple times a week.

3. Corrode Metal Parts

Dogs like to urinate all over the place as a way of leaving their scent behind. Unfortunately, your central heating and air conditioning’s outdoor unit is not immune to this territory marking, and dog urine is incredibly corrosive to the aluminum fins and copper coil. Prevent this damage by installing a fence around the system, leaving at least a three-feet gap on either side to maintain good airflow.  


If your pet accidentally damaged your HVAC system, turn to B & C Heating & Air Conditioning LLC for expert repairs. These HVAC contractors provide trusted central heating and air conditioning repairs, maintenance, and installation services to homes and businesses in Elizabethtown, KY, and surrounding areas. Their certified technicians are trained to service all makes and models. Schedule an appointment today by calling (270) 268-2902, and visit their website to learn more about their services.

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