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What Does a Leaky Furnace Mean?
Posted On: January 26, 2025
A leaky furnace can indicate several issues, depending on the source and type of the leak. Here’s a breakdown of what it could mean:
1. Condensation Leaks
- Reason: High-efficiency furnaces produce condensation as a byproduct of their operation. If the condensation drainage system is clogged or damaged, water can leak from the furnace.
- Signs: Water pooling around the base of the furnace.
- Solution: Inspect and clear the drainage system or repair the condensate pump.
2. Humidifier Leaks
- Reason: Some furnaces are connected to a whole-house humidifier. If the humidifier malfunctions or its water line becomes clogged, it may leak.
- Signs: Water near the humidifier attachment.
- Solution: Check the humidifier and repair or replace faulty components.
3. Ventilation Problems
- Reason: Blocked or improperly installed vents can cause condensation to accumulate and leak around the furnace.
- Signs: Water around the furnace or near exhaust vents.
- Solution: Ensure vents are clear and correctly installed.
4. Cracked Heat Exchanger
- Reason: A cracked heat exchanger can cause water vapor to leak, especially in older furnaces. This is a serious issue as it may also lead to carbon monoxide leaks.
- Signs: Visible cracks, water vapor leaks, or unusual furnace noises.
- Solution: Shut off the furnace and contact a professional immediately.
5. Air Conditioner Coil Leaks
- Reason: If your HVAC system shares a furnace and air conditioner, a clogged or damaged AC condensate drain pan can cause water to leak near the furnace.
- Signs: Water around the furnace when the AC is running.
- Solution: Inspect and repair the AC drainage system.
6. Frozen Pipes
- Reason: In colder climates, pipes near or connected to the furnace may freeze and burst, leading to leaks.
- Signs: Leaks coinciding with extremely cold temperatures.
- Solution: Insulate pipes and repair any breaks.
What to Do If Your Furnace Is Leaking
- Turn Off the Furnace: Shut off the power to prevent electrical hazards.
- Clean Up the Water: Remove pooled water to avoid damage to surrounding areas.
- Inspect the Source: Check for visible issues with condensate lines, humidifiers, or vents.
- Call a Professional: If the issue isn’t obvious or easily fixed, contact an HVAC technician to diagnose and repair the problem.
A leaky furnace may seem minor but can indicate serious underlying issues. Addressing it promptly ensures your system runs efficiently and safely.
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See What Our Customers Are Saying:
Jul 3, 2022
Great service and great people to deal with, from sales to installer. I highly recommend this company.
Apr 28, 2022
Twintech replaced our aging furnace and air conditioner recently. I highly recommend this company. Their quote was competitive, they were on time and respectful of our home and extremely professional. From the salesman to the installers and the owner who followed up afterward to ensure we were satisfied, we are very pleased with the service. We are looking forward to working with this company for all of our HVAC needs for the years to come. Excellent workmanship and service!
Apr 28, 2022
We wanted to get our AC replaced as it was 22-years old and added to this our furnace was costing more and more to repair. So, we decided to get both the furnace and AC replaced.
After going through a few quotes and product reviews we decided to go with Twintech. The three-men crew arrived early in the morning, wasted no time and got to work right away. By 2:00 pm, they were all done. Ive found their work to be top notch and they were completely professional. I had all my questions answered to my satisfaction both during the progress of their work and at end.
I have pleasure in recommending Twintech to anyone who is looking to get their furnace or Ac replaced
Nathan S.
Apr 28, 2022
Our air conditioner died On a Saturday and within hours Dave came out to take a look and discuss replacement/repair options.
The new air conditioner was installed on the Wednesday. The new unit was installed quickly. The installers were friendly and cleaned up afterwards.
We noticed a slight leak around the furnace that night and they came out the next day and fixed the issue. It has been working great and is quieter than our previous unit.
Very satisfied and would highly recommend TwinTech.
Apr 28, 2022
I contacted TwinTech to replace my 20-year old A/C. Dave, their service rep, promptly replied and was at my home within 2 hours. He was friendly and knowledgeable and didn't try to upgrade or oversell their A/C units but suggested the best fit for my small 1000 feet bungalow. Although this was during a heatwave and very busy, they were able to fit me in 2 days later. The TwinTech crew installed a 1.5 ton Ducane A/C unit that is now running smoothly while maintaining a constant cooling temperature. The crew were very courteous, professional and efficient and I will definitely recommend TwinTech to family and friends. I much appreciated your great service.
Nancy M., Oshawa
Apr 28, 2022
We had a great experience. The guys who installed our a/c did a nice job. Cleaned up.
Apr 28, 2022
excellent crew, fast and efficient! Would call them again when I need a new furnace.
Apr 28, 2022
Professional, courteous and efficient, dont need to say more than that! Use them you will not regret it.
Apr 28, 2022
TwinTech was a pleasure to deal with from the estimate through installation. We replaced a 28 year old a/c unit with one recommended by TwinTech's sales representative Dave who took the time to go over the product with us and answer any questions. The warranty is for 10 years parts and labour and they will complete the registration for you. Installation was by Greg (owner) and Mitch and Spencer who were quick and efficient and left everything clean and tidy.
Apr 28, 2022
Very professional, from the sales consultation and inspection to the final installation. Met every expectations we had for the job. A local business with great client support. We highly recommend. Twintech is a blue chip! Thanks!
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