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What to Check Before Turning on Your Heater


Stephen Plumbing

November 28, 2022


It’s that time of year again. The days are getting shorter, the air is getting colder, and you’re probably starting to think about turning on your heater. But before you do, you should check a few things to ensure everything is in working order. So here’s a quick checklist of what to do before you turn on your heater for the season.

1. Check Your Furnace Filter

The first thing you should do is check your furnace filter. A dirty filter can restrict airflow and make your furnace work harder than it needs to. Replacing your filter regularly (about once a month during the heating season) can help prolong the life of your furnace and improve its efficiency.

2. Check for Drafts around Your Doors and Windows

Another way to improve your furnace’s efficiency is to ensure there are no drafts around your doors and windows. Sealing any gaps with weather stripping or caulk can help keep the warm and cold air in.

3. Check for Anything That Could Be Blocking Your Vents

Make sure nothing is blocking your vents, like furniture or curtains. If your vents are blocked, it can make your furnace work harder and cause it to overheat.

4. Check the Batteries in Your Smoke and Carbon Monoxide Detectors

It’s also a good idea to check the batteries in your smoke and carbon monoxide detectors. These devices are essential for keeping your family safe, and you want to ensure they’re in working order.

5. Check to Ensure Your Thermostat Works

Before turning on your heater for the season, you should check to ensure your thermostat works properly. A faulty thermostat can cause your furnace to run more often than necessary, increasing energy bills. If you don’t know how to test your thermostat, contact an HVAC professional for help.

6. Make a Log of Any Concerns or Issues

If you have any concerns or issues with your furnace, note them in a log. This will help you keep track of any problems so that you can share them with your HVAC professional when your furnace is serviced.

7. Schedule a Professional Inspection

Now that you know what to check before turning on your heater, you can rest assured that your home will be cozy and comfortable all winter. But if you still have questions or just want peace of mind, scheduling a professional inspection is always a good idea.

A qualified HVAC technician can inspect your furnace and make sure it’s in good working condition. They can also give you tips on how to improve its efficiency and make sure your home is safe.

Contact Stephens Plumbing, Heating & Air Conditioning

Stephens is here to make sure your furnace is ready for winter. We offer various services, including furnace inspections, repairs, and maintenance. Contact us today to schedule an appointment. Our experienced professionals will be happy to help you keep your home comfortable all winter.


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