The simple seasonal habit that protects your home's heating efficiency
In short: A furnace is a complex machine, but much of its winter reliability depends on a single, recurring task. While professional technicians handle the internal mechanics, homeowners can prevent significant issues by managing one specific component. Understanding the difference between DIY maintenance and professional service is key to avoiding costly fuel waste.
Maintaining a furnace requires a two-pronged approach: routine homeowner intervention and annual professional inspection. The most critical task for a resident is managing the furnace filter. To keep the system running smoothly throughout the winter, the filter should be replaced at least once per heating season. However, if your household includes pets, this frequency should increase to account for additional airborne debris. This seasonal upkeep is a fundamental part of the broader home improvement expertise shared by the Ask This Old House team.
When replacing a filter, precision is vital. You must remove the old filter and note its exact dimensions to ensure the replacement is identically sized. These replacement filters are widely available at most home centers. Neglecting this simple step can impact how effectively your system operates. Standard replacement parts for these units can be easily found at various home centers.
While homeowners handle filters, the deeper mechanics of efficiency and safety require a professional HVAC technician. A technician can perform an efficiency check to determine how much of your purchased fuel is actually heating your home. The results often depend on the age of your unit: an older furnace typically operates at around 80 percent efficiency, whereas a newer model may reach as high as 97 percent. This professional assessment helps you understand exactly how much fuel you are paying for in relation to heat production.
Beyond efficiency, professional servicing involves inspecting the combustion area and testing all safety devices. These components are essential for ensuring the furnace shuts off automatically during an emergency. By combining regular filter changes with annual professional checks of safety and combustion, you can better prepare your heating system for the winter months. The program's experts, including Kevin O'Connor and Tom Silva, often address these types of essential residential maintenance questions.
Opens the Intellect+ feed with this card first. Swipe up for the next one.
Sources
- Summary by Intellect · source: How to Maintain a Furnace | Ask This Old House
To cite this card, link to https://intellectplus.co.uk/app/society-how-to-maintain-a-furnace-ask-this-old-house.
How we source, check and correct cards: Editorial standards.
General information, not professional advice. Spotted an error? Flag the card or see corrections and complaints.
Intellect Plus is a visual educational discovery platform for exploring fascinating facts and ideas. Brain Food, Not Brain Rot. What is Intellect Plus?
Related
More in Home & housekeeping · More in Society · Latest · A–Z · All topics
