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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:
Aug 23, 2022
It was a refreshing experience interacting with the Twintech team. From Bob, the sales consultant, who articulated in layman's terms all the options available and reasons for making any selection. This was done without the prevailing pressure tactics so commonplace today.
Before proceeding Mitch, the technician, at our request conducted a service check on our 30 yr old furnace. His report was positive indicating no urgency to replace it. Again no pressure tactics.
Three days after first meeting with Bob, the installation team of Greg and
Spencer completed the installation within the planned time frame.
A very professional, courteous and transparent team which delivered on their promise. I highly recommend Twintech.
Aug 22, 2022
Initial contact with sales resulted in an immediate response, which led to a timely installation. Both sales and installers were all very professional. I have no hesitation in recommending TWINTECH.
Aug 21, 2022
I had a great experience with TwinTech. The company offered a reasonable quote, and performed a quick and clean installation. The installer Greg was experienced, professional and courteous. He explained the services he performed and gave recommendations on maintain the new furnace.
The salesman Bob was honest
and professional and educated me on how to achieve optimal performance.
All communication from them was quick and they came the following day. I was pleased with the service and would recommend them.
Aug 20, 2022
From quote, to installation, to follow up, Twintech provided excellent service. I would highly recommended their services.
Aug 19, 2022
I had a really great experience with these guys. The salesman Bob was clearly very knowledgeable about everything to do with heating and cooling a home, spent a lot of time with us going over the details of the job, never rushed us and came back after the install to make sure we were happy. The installation crew was excellent, they covered the floors all the way from outside down to the basement furnace room, kept the place clean, got the work done on time and were very friendly. Ive got 15 years in the contracting/ construction industry and these guys are one of the most professional companys Ive dealt with. Great company!
Aug 18, 2022
Had great service and clean-up was good. Was happy with my salesman. They were very friendly and helpful. I needed a new furnace as our was over 20 years old. The furnace and air-conditioner work great and they are very quiet. I am very pleased with the service and product I received.
Aug 17, 2022
Met with Dave for the sales process and he was great about explaining and going over everything to us. The install happened very quickly and the team were super professional and friendly. We are very happy with this company and their services and we definitely recommend them to others. Thankful my sister recommended them to me!
Aug 16, 2022
Reviews for Twintech were good, and they did not disappoint. After an initial visit to discuss the suitable AC unit for replacement, an installation date was available in just a couple of days, and everything was installed without a hitch. Highly recommended
Aug 16, 2022
Very pleased with the installation of our new furnace and A/C unit. From quotation stage to the completion of the job Twintech was very professional.
Thank you for a job well done.
Aug 15, 2022
My old water heater quit on me. I called TwinTech. In less than 4 days, I had my new water heater installed and the old one taken away. The whole process was quick, easy, pleasant, and well done. This is the third time I've dealt with TwinTech and I've been satisfied each time.
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