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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:
Feb 1, 2021
Dave was very pleasant to deal with and Twintech responded quickly when our furnace needed to be replaced ASAP. Installation was done on time and the crew were neat and tidy. We now have a great furnace that suits the needs of our family.
Feb 1, 2021
When your furnace kicks in over the holidays and you're not sure where to turn.. I'm so thankful that this company returned my phone call. I appreciated their transparency and clarity which allowed me to make an informed decision. With various quotes thrown at you, it can be difficult to make the right decision and trust the solutions offered by different companies. TwinTech spoke the truth and delivered on their word. Neat, timely and clean service; the peace of mind I needed during a very cold holiday season. I highly recommend them!
Feb 1, 2021
Pulling a old unit out and installing a modern heating system! Required drilling holes in the wall for the newer pipes. We went from 70% (I am willing to bet it was far less due to lack of maintenance and just old) to 96% newer . It now feels warmer and more pressure and we use to run extra heaters and feel as though they are not necessary!
Feb 1, 2021
I received three quotes before deciding to choose Twintech. Dave's prices was much more reasonable than the competitors. I most appreciated their honest recommendations. Others tried to oversell their products and services. Thank you Dave!
Feb 1, 2021
They had the best price and did a great job on the installation. Recommend them to anyone.
Feb 1, 2021
It was a amazing and professional high quality job
Friendly and very helpful representatives
Thank you for understanding my concern
And explain very well
Overall we pleased with your service
Tanks
May 15, 2020
My 19 year old furnace stopped working when the cold weather hit in November, and I was left without heat. I interviewed several companies and found TWINTECH HEATING and COOLING to be very knowledgeable, quick to respond to my inquiries and very competitively priced.
Dave provided all of the information and pricing ahead of time and set up the appointment for the installation. Greg and Mitch arrived on time to do the installation and worked quickly and efficiently to complete the job.
After the completion of the installation, Dave followed up to ensure that everything was working well and that I didn't have any concerns.
Overall, this was a low-stress and flawless experience from start to finish. I would highly recommend TWINTECH HEATING and COOLING to anyone that requires a new furnace.
May 14, 2020
Our 20 year old furnace broke down during the first cold weekend this past November and our usual HVAC company never returned our phone call. Their loss, missing out on a sale since we didn't want to spend much fixing an old furnace and our 40 year old air conditioner was also long overdue for replacement. We proceeded in obtaining three different quotes for furnace and air conditioner replacement, and proceeded with the one we received from Twintech.
Dave was friendly, knowledgable and accommodating to our schedule and provided with us with a price that fell in the middle of the three quotes that we had. We felt that the Amana furnace and air conditioner he quoted us on were the best products and value offered to us and felt most comfortable with the professionalism and reputation of Twintech.
Greg, Grant and Mitch were at our house for installation the day after we decided to proceed. The guys were friendly and informative, the job was completed efficiently and workmanship appears excellent. Our house is certainly much more comfortable with the new two-stage variable speed Amana furnace compared to the old clunker! And, we're looking forward to enjoying the new air conditioner once summer rolls around again. Thanks Twintech!
May 13, 2020
We are very happy with our new furnace. The service was excellent the guys worked 6 hours straight through and there was no mess at all they took the old furnace boxs etc with them they then explained everything to us they were very helpful and pleasant , when we need a new air conditioner we know who to call!
May 12, 2020
The crew from sales to installation was very professional and had great attention to detail
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