radon testing inspection in Gaithersburg md

 Part of responsible homeownership includes, of course, regular home maintenance. And there are some tasks that, if deferred, can lead to a home system that’s inefficient and overworked, which can result in problems and expenses. One such task is changing the filter of the home’s HVAC system. It’s simple and inexpensive, and taking care of it at least every three months can mean the difference between optimum comfort and avoidable repairs.

Most homes have some sort of furnace or heat pump, and many of those homes (especially newer ones) have combined heating, ventilation and air-conditioning or HVAC systems. Each type uses some type of air filter or screen to prevent larger airborne particles (up to 40 microns) from entering the system and clogging sensitive machinery. A system that has a dirty filter can suffer from pressure drop, which can lead to reduced air flow, or “blow-out,” resulting in no air infiltration at all. Any of these conditions can cause the system to work harder to keep the home warm or cool (depending on the season and the setting). And any mechanical component that has to work harder to run efficiently puts undue stress on the whole system, which can lead to premature failure, resulting in repair or replacement.

Also, a dirty filter that’s exposed to condensation can become damp, which can lead to mold growth that can be spread throughout the home by the HVAC system. This can lead to serious health consequences, not to mention a compromised unit that will likely require servicing and may require replacement, depending on the severity of the moisture problem.

Most HVAC and furnace filters are disposable, made of biodegradable paper or similar media, and shaped in cells, screens or fins designed to trap as much airborne debris as possible. Filters can typically be purchased in economical multi-packs, and there are many types that will fit different models of furnace/HVAC units. It’s important to use the appropriate filter for your unit; using the wrong filter that doesn’t fit the unit properly can create the same types of problems as having a dirty filter. Your HVAC installer can show you where the filter goes and how to remove the old one and install a new one. Your radon testing inspection in Gaithersburg md unit may also have an affixed label with directions for easy filter replacement.

Your HVAC or furnace technician should service your unit once a year. Because a furnace/HVAC unit contains moving parts, it’s important that belts are not cracked and dry, ventilation ductwork is not gapped, cracked or rusted, and components, such as coils and fans, are clog-free and adequately lubricated for unimpeded operation. This sort of evaluation is best left to the professional, unless the homeowner has had the appropriate training.

The filter of the unit, especially if it’s an HVAC unit that will tend to get nearly year-round use, should be changed by the homeowner at least every three months, but possibly more often.

·         You run your unit six months a year to year-round.

·         You have pets. Pet dander can become airborne and circulate through the home’s ventilation system just as typical household dust does.

·         You have a large family. More activity means more household dust, dirt and debris.

·         You smoke indoors.

  • Your unit fails to turn back on.
  • The fan is slow or makes excessive noise, or the fins are bent.
  • The coils are excessively dusty or clogged.
  • You notice moisture intrusion from an unknown source anywhere in the system.

Homeowners who take care of the easy task of changing their HVAC filter can help prevent system downtime and avoidable expenses, Home inspectors Gaithersburg md as well as keep their families living and breathing comfortably. Your Top To Bottom inspector can provide more useful tips and reminders during your home inspection.

 

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