Keeping your home comfortable here in Central Pennsylvania means paying attention to the little things that keep your HVAC system running right. One of the simplest yet most important tasks is staying on top of your A/C air filter replacement schedule. A clean filter helps everything work better and protects your system as well as your lungs. Why Your A/C Air Filter Replacement Schedule Matters more Your HVAC system pulls air from inside your house, conditions it, and pushes it back out through the ducts. The air filter is there to catch dust, pollen, pet dander, and other particles before they circulate into the air you're breathing or reach the equipment to block it up. When you let a filter get too dirty, the system has to work harder to move the same amount of air. That extra effort raises your energy bills and puts more wear on the blower motor and other parts. A clogged filter can also make indoor air quality worse instead of better. You might notice more dust on surfaces or family members sneezing more often if you're not changing those filters at the right intervals. Different Filter Types and Their Lifespans Not all filters are the same. Basic 1-inch fiberglass filters are cheap, but they only last about 30 days in most homes, and while they can catch larger particles, they do let finer ones through. Pleated filters, which are more common now, do a better job and usually need changing every one to three months. Thicker filters, like four-inch or five-inch media filters, can go six to 12 months because they hold more; they do cost more upfront, though. Finally, you can get very high-efficiency filters with higher MERV ratings to trap the very smallest particles. This is really great for air quality, but these filters can restrict airflow if your system isn't designed for them. Always check what your manufacturer recommends for your specific unit or call us to make sure the filter you want to use works with your system. Factors That Affect How Often You Should Change Filters Households with multiple pets always need more frequent changes because fur and dander load up the filter. Smokers or people who cook a lot with oils see the same issue. Larger families or homes with lots of foot traffic tend to bring in more dirt from outside, and that can also mean you'll need to change things more often. Seasonal Considerations in Central PA In winter, when your furnace runs more, you'll need to check the filters more often because cold, dry air tends to stir up dust. In summer, air conditioning pulls in humidity and pollen, and this is also a key time for checking your filter. Spring and fall are good times for deeper maintenance. Staying proactive with your air filters is one of the smartest, lowest-cost things you can do for your HVAC system and your own respiratory health. If you're not sure where to start or want help picking the right filters for your setup, call W.C. Eshenaur & Son Inc. today. We're family-owned and operated and have been serving all of Central PA since 1928.
Troubleshooting Your HVAC System
When your air conditioning or heating system begins to struggle in Harrisburg, PA, there's a few checks to go through that may be able to restore comfort before you need to worry about scheduling professional service for your HVAC. Basic Checks for Your HVAC in Harrisburg, PA Check the Thermostat more Make sure your thermostat display isn't blank or dim; if it is, try just installing new batteries. Then, confirm that the mode is set to heat or cool according to the season. Once that's done, adjust the temperature at least three degrees beyond the current room reading and change the fan setting from continuous on to auto. After you make these adjustments, give the equipment five minutes to respond and listen for the blower or outdoor unit to start. Is It Plugged In? This question's not just for computers! Open the main breaker panel in your house and find the switches marked for the furnace, air handler, or outdoor condenser. If any lever is in the middle or off position, push it fully to the off side and then back to on. Also locate the dedicated disconnect switch, which is often mounted on or near the indoor unit and the outdoor unit. These switches can get bumped during cleaning or yard work. Once power is restored, return to the thermostat and try the system again. A tripped breaker is actually one of the most common reasons a unit refuses to start, and resetting it takes only a moment. Look at the Air Filter Find the return air grille in a hallway or ceiling, or open the access door on the side of the furnace or air handler. Slide the existing filter out and hold it up to a bright light. If you can't see any light passing through the media, or if the surface looks really gray, dusty, and packed, replace it with a new filter. A clogged filter restricts the volume of air the system can move, which causes the blower to work harder, which raises energy use, and finally often triggers safety switches that shut the equipment down. Check the Condenser Unit This is the part of the system that sits outside, and sometimes yard work and weather can cause issues. Remove any leaves, grass clippings, or twigs that have collected around the base and sides and make sure there's at least two feet of clear space on all sides so outdoor air can move freely across the coil. If the fins look dusty, rinse them gently with a garden hose on a low setting; never use a pressure washer. Is There Any Ice? Look for ice forming on the indoor coil or along the refrigerant lines. If you see some, switch the equipment off at the thermostat and allow any ice to melt completely before restarting it. Restricted airflow from a dirty filter is the most frequent cause of freezing, so the filter change you already performed will likely stop that from happening again. If it doesn't, or the filter was clean, call for help as there's a more serious issue that needs attention. If these steps don't fix things, call W.C. Eshenaur & Son, Inc. right now at 717-236-5031 to request service. We proudly serve all the towns of Central PA.