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How Your Furnace Affects Your Indoor Air Quality
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How Your Furnace Affects Your Indoor Air Quality

Many homeowners think their furnace has only one job: heating. While this may be technically true, your HVAC system is called a system for a reason; everything in it, from residential indoor air quality to heating and cooling, is connected in functionality. Your furnace therefore plays a critical role in your home’s air quality, for better or worse.

Furnace Doctors is here to help you understand the relation between a well-maintained furnace and clean air. Below, we discuss exactly how your heating can improve your residential indoor air quality—or behave to its detriment.

The Danger of Carbon Monoxide Poisoning

We all know never to start a car in a closed garage; you risk carbon monoxide poisoning. But your vehicle isn’t the only thing that can cause a toxic buildup of this colorless, odorless gas; indeed, your furnace, if it’s not properly cared for, can cause this substance can make its way throughout your home, causing everything from headaches in the early stages to fainting and, eventually, death.

According to Carbonmonoxide.com, “Cracked heat exchangers, combustion air obstructions and broken venting are often at fault {in cases of furnace-based carbon monoxide poisoning}.” This is why it’s critical to have your heating system serviced regularly—an HVAC contractor will be able to pick up on any of these problems before they become deadly.  

The Annoyances of Pollen and Dust Accumulation

Furnaces have air purification filters built into them to help the system run efficiently. When these filters become clogged with debris like pollen or pet dander, they can distribute that debris through your home. This leads to a house-wide stuffy feeling, in addition to increased symptoms for allergy sufferers and individuals with asthma.

Using the correct level of filtration—not too high a MERV rating, not too low—is crucial to proper furnace functioning. You should also clean and/or replace this filter regularly so that it can keep doing its job.

The Irritations of Inexplicable Dryness

A properly working furnace will have no effect on the humidity levels in your home. One that’s feeling ill, however, can and will drop your home’s humidity levels—causing everything from increased static electricity activity to dry eyes and headaches. If your home’s residential indoor air quality is low on the part of dryness, a whole-house humidifier might be a solution, but a smart HVAC contractor will also inspect the furnace for issues that could be causing the problem first. Your furnace’s age and type may be a contributing factor.

Furnace Doctors: What we Do Is in the Name

Furnace on the fritz? We’re here to make things right. Give our Saint Paul Park office a call today at 651-789-3092.

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