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How Do I Know My Furnace is Safe?
Posted On: February 14, 2025
Ensuring your furnace is safe is crucial for both your comfort and well-being. Here are some key indicators that your furnace is operating safely and efficiently:
1. Regular Maintenance and Inspections
- Schedule annual professional inspections to check for potential issues.
- A technician can clean components, test for leaks, and ensure the system runs efficiently.
2. Check for Carbon Monoxide Leaks
- Install carbon monoxide (CO) detectors near sleeping areas and around your furnace.
- Yellow or flickering burner flames instead of blue flames could indicate incomplete combustion, which may lead to CO production.
- Symptoms like headaches, dizziness, or nausea when the furnace is running may indicate CO exposure—turn it off immediately and seek help.
3. Ensure Proper Ventilation
- Check that your furnace’s vents and air intake pipes are clear of debris like snow, leaves, or nests.
- Blocked vents can cause dangerous gases to build up in your home.
4. Listen for Unusual Noises
- Loud banging, whistling, or rattling sounds could indicate issues like gas buildup, a loose part, or airflow restrictions.
- A constant humming or high-pitched screeching could suggest blower motor or belt problems.
5. Monitor for Gas Leaks
- If you smell rotten eggs (natural gas odor), turn off the furnace, leave the home, and call the gas company immediately.
- A professional should inspect and repair any gas leaks before using the furnace again.
6. Keep the Area Around the Furnace Clear
- Do not store flammable materials like paper, chemicals, or furniture near the furnace.
- Ensure at least a 3-foot clearance around the furnace to allow for proper airflow and safety.
7. Change the Air Filter Regularly
- A clogged filter restricts airflow, causing the furnace to overheat and work harder, increasing the risk of failure.
- Change filters every 1-3 months, depending on usage and the type of filter.
8. Monitor Energy Bills
- A sudden spike in energy costs may indicate the furnace is running inefficiently due to leaks, clogged filters, or failing components.
9. Test the Thermostat
- Ensure the thermostat is responding correctly to temperature changes.
- A malfunctioning thermostat could cause overheating or inefficient operation.
10. Check the Heat Exchanger
- A cracked heat exchanger can leak carbon monoxide into your home.
- If you notice soot buildup or a strong burning smell, have a technician inspect the system.
When to Call a Professional
- If you notice any gas leaks, CO detector alarms, or unusual furnace behavior, turn off the system and call a professional HVAC technician immediately.
Regular maintenance and vigilance will help ensure your furnace remains safe and efficient.
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See What Our Customers Are Saying:
Apr 12, 2019
On one of the coldest days of winter, our furnace stopped working. Our regular furnace company came and told us we had a CO2 leak and shut us off. Their quote for a new furnace was way too high and they couldn't even install it on the same day. TwinTech was recommended to us by a friend. We called and spoke to Dave who was very nice and knowledgeable. Grant showed up a short time later and a new furnace was installed the same day with no troubles at all. Best of all, we received a higher-end furnace than what was offered by our previous company and at a cheaper price. I would recommend TwinTech with no hesitation at all.
Apr 11, 2019
I installed a new furnace and Air conditioner with them. The installation is of high quality and according to standards. The guys are professional and reasonably priced.. I highly recommend them.
Apr 10, 2019
Had new furnace installed and ran into some difficulties but the contractor responded in a timely and efficient manner - after further service calls were made, a reasonable resolution was found.
Apr 8, 2019
The work was done quickly efficiently neatly and professionally. Pleased with the service, information, product, and the company.
Apr 1, 2019
Great sales member named Dave came in told us some amazing items and how they would be priced installed an all. We couldnt believe it! The next day the ac was installed, that day one employee named Greg told us that our furnace was working way to hard and was causing us to use way too much gas. So two days later they came in an installed a new furnace!
Apr 1, 2019
Installation was done quickly and professionally. The new furnace is quiet and provides even heat.
Mar 3, 2019
They removed and discarded old furnace. Installed new furnace. Installed air intake pipe, that had never been installed by builder, no charge. Replaced loose hose on floor with hard pipe and rerouted it to drain, no charge. Almost 33% cheaper then quote from Enercare, which was the company we dealt with and had insurance with for 8 years. No yearly fee for cleaning/insurance, saves 300 a year. Courteous, professional, fast, and friendly. My wife and I have been recommending them to everyone we know and meet, and will continue to do so. Thanks for everything, Twintech!!!
Mar 4, 2019
This company was great to deal with. Our furnace went down and they installed a new furnace the next day with a lot of professionalism!
Feb 22, 2019
Finally! An honest company with highly knowledgeable and informative staff. Had a furnace service and found multiply errors in our system from an amateur installer. Very fair price to correct problems and will definitely use again.
Feb 16, 2019
Had to replace the heating & a/c unit in a condo apartment dwelling. this company recommended by the property manager and president of the condo building. found their workmanship and attention to details very good and very thorough. were able to resolve small problems and situations and happy to feel the heat in my unit. it's pricey, but happy was done by a very professional service. thank you.
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