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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 28, 2022
I left a live chat message on their website that my air conditioning was not working. Within 1hr a representative called me to discuss my options.
The next day he came to the house to review my needs and give me a price for a new system. Price quoted was less than I expected and the installation was completed the following day. I found their salesman and the installers very knowledgeable and easy to deal with. All my questions were answered. Everything was properly explained in regards to what unit was needed and why, along with instruction where needed for use.
The installers made sure everything was working properly before they left.
Apr 28, 2022
This is to thank Twintech Heating and Cooling for their exceptional and timely service. Mitch, their technician was very courteous and generous with his time right from his first meeting with us. He not only took the time to check everything but also educated us on why we needed what he recommended. Greg and Mitch graciously accommodated us on our requested day and time for job to be done. They were both very courteous and responsive to our needs and special requests especially in a tight spot. The job was finished neatly and on time. Thank you Twintech for your great service !
Apr 28, 2022
They came the day and time they had planned for us and were very fast and efficient! The AC works amazing and it is amazing during the heat of the summer we have already got! Thanks for everything you did for us!
Apr 28, 2022
Would recommend this company to friends and family in a heartbeat. Very professional , on time and left no mess when the job was done.
Apr 28, 2022
Great customer service. Responsive and professional. I would highly recommend Twintech, I used them previously for repair service and a new air conditioner- very satisfied.
Apr 5, 2022
Our air conditioner failed. Made a call and within 15 min a technician was at our door.
The issue was fixed and many suggestions were provided.
Thanks to Mitch. Great service !
Apr 5, 2022
Our furnace was rattling, as soon as we put our air conditioner on this past week. We had researched looking for a company that was Registered with Better Business Bureau, and this company TwinTech, had A+ Rating. Scott, was immediately helpful via text/phone and sent his technician as soon as he was able...Mitchell/technician provided great professional service. Thank you TwinTech.
Sean and Debbie
Apr 5, 2022
I contacted various companies when looking to install a new furnace and I found Twintech to be transparent with their communication and approach. They had options to suit my various requirements and the price vs quality was very good. The after installation communication was also very good and they answered all queries I had.
Apr 5, 2022
My furnace broke down last month. The team was quick to respond, courteous, professional and mindful of COVID-19 concerns. I highly recommend them if you are considering replacing or servicing your HVAC equipment.
Apr 5, 2022
I was very happy with the installation and price. I would definitely recommend. Thank you Twintech.
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