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Posted On: November 24, 2024
A leaking furnace can be a concerning issue, potentially leading to water damage and system inefficiency. Here's why your furnace might leak and what you can do about it:
1. Condensation Leak
- Cause: High-efficiency furnaces (with AFUE ratings of 90% or higher) produce condensation during operation. This water typically drains through a condensate line. If the line is clogged, cracked, or improperly installed, water can leak.
- Solution: Clear clogs in the condensate line, repair or replace damaged lines, and ensure proper installation by a professional.
2. Malfunctioning Condensate Pump
- Cause: In systems requiring a condensate pump to move water to a drain, a malfunctioning or broken pump can result in leaks.
- Solution: Test the pump for functionality and replace it if necessary.
3. Humidifier Issues
- Cause: If your furnace has a built-in humidifier, leaks can occur from clogged lines, damaged seals, or excessive water pressure.
- Solution: Inspect the humidifier for issues and repair or replace defective components.
4. Clogged Drain or Trap
- Cause: Over time, debris and dirt can clog the furnace's drain or trap, causing water to back up and leak.
- Solution: Clean the drain and trap to ensure proper flow.
5. Heat Exchanger Problems
- Cause: Though rare, a cracked heat exchanger can sometimes lead to water leakage. It can also pose serious safety risks due to the potential release of carbon monoxide.
- Solution: Contact a professional HVAC technician to inspect and replace the heat exchanger if necessary.
6. Incorrect Vent Pipe Installation
- Cause: Condensation can form inside improperly installed vent pipes, dripping back into or around the furnace.
- Solution: Have a professional inspect and correct the vent pipe installation.
7. Air Conditioning System Leaks
- Cause: If your furnace and air conditioning system share the same housing, a leaking AC unit can appear as though the furnace is the problem.
- Solution: Inspect the AC unit, including its condensate pan and lines, for leaks.
Preventative Measures:
- Schedule annual maintenance for your HVAC system.
- Regularly inspect and clean drain lines and traps.
- Address any strange noises or performance issues promptly to avoid further complications.
If your furnace is leaking, it's essential to address the issue quickly to prevent water damage or operational inefficiencies. When in doubt, call an HVAC professional to diagnose and fix the problem.
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See What Our Customers Are Saying:
May 3, 2020
Reasonable price and the workmanship was prompt and timely and the employees were great to deal with.
May 2, 2020
The sales process was friendly, informative, and very consultative. They worked hard to earn our business by taking a careful look around our home to assess our needs, providing a lot of information about the product, and answering all our questions and finding the right solution for our home at a competitive price. They prepared us very well for what to expect on installation day, and the installation went very smoothly - no surprises, all very professional! They gave us a call after installation to ensure we were happy with the work. We're very happy that we chose to work with TwinTech to get our new furnace.
May 1, 2020
Twintech promptly responded to request for quotation. They were thorough and helpful in explaining options. The quote was very competitive. Installation of new furnace was very professionally completed. Excellent work.
Jan 17, 2020
When our old oil furnace finally broke down we decided it was time to finally convert to natural gas and finally install central air conditioning at the same time. Knowing it was going to be a significant investment for us, we wanted to make the right choice. Twintech came highly recommended by a friend and we were not disappointed. From the first contact with the salesperson, until the final touches on the installation, we were so pleased with their service. Everyone from the company was so friendly, efficient and a pleasure to deal with. Best of all, the cost was very competitive. We would certainly recommend Twintech to anyone requiring HVAC work in their home.
Jan 15, 2020
Mitch from Twintech came out for our annual furnace inspection. We found him to be friendly, conscientious & he left the work area clean. We were also very impressed with the thoroughness of the job he did. This is the 2nd job weve had Twintech do for us & have been very happy with the results for each. We highly recommend this company. Thank you, Mitch, Dave & Greg.
Jan 14, 2020
Work was done on schedule, professionally, according to quote and with minimal inconvenience to building users. Very happy with the end result. The only area for improvement from my experience - need more timely quoting process.
Jan 13, 2020
The team was great! Very knowledgeable, professional and extremely helpful. A few days after install the unit didnt seem to be working, user error, but within minutes of contacting them..on a Saturday.. a tech was on the phone troubleshooting with us. I highly recommend Twintech for your cooling or heating needs. They stand by their products and a pleasure to deal with.
Jan 11, 2020
During the hottest week in the summer our old A/C decided to call it quits. I called Twintech Heating & Cooling after receiving a referral from a family member; came highly rated for being an honest, family-run business, who appreciates their customers. Dave was able to accommodate my hectic schedule and book a late evening appointment to walk through the specifics. Greg and Mitch arrived exactly on time a few days later, were very polite and friendly, and within a couple of hours had a new unit up and running. I also received a follow-up call to ensure we were happy with the Amana.
Jan 10, 2020
They were on time and very professional. I'm so glad I decided to go with Twintech, thanks!
Aug 20, 2019
Timely and appreciated - this was during the hottest days this year when our Air and Furnace way.
Efficient. Professional. No BS or overselling. What was promised, was delivered at a cost-effective price point.
Down to earth.
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