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My Furnace Does Not Produce Enough Heat
Posted On: December 29, 2024
If your furnace is not producing enough heat, there could be several potential issues causing the problem. Here’s a step-by-step guide to help you identify and resolve the issue:
1. Check the Thermostat Settings
- Ensure it's set to "Heat" mode: Sometimes, the thermostat might be set to "Cool" or "Off."
- Verify the temperature setting: Make sure the set temperature is higher than the current room temperature.
- Check the fan setting: Ensure it is set to "Auto" or "On." If it's set to "Auto," the fan runs only when heating.
2. Replace the Air Filter
- Inspect the air filter: A clogged or dirty air filter can restrict airflow, reducing the furnace's efficiency.
- Replace if necessary: Install a clean filter and check if the heating improves.
3. Inspect the Air Vents and Registers
- Ensure vents are open: Closed or blocked vents can reduce heat distribution.
- Remove obstructions: Check for furniture or objects blocking airflow from the vents.
4. Check the Pilot Light or Ignition System
- Pilot light (older furnaces): Ensure the pilot light is lit. If it’s not, follow the furnace’s manual to relight it.
- Electronic ignition (modern furnaces): If the ignition system is malfunctioning, it may need repair or replacement.
5. Inspect the Blower Motor
- Listen for unusual noises: Grinding or screeching noises may indicate motor issues.
- Check for operation: If the blower isn’t running, it might need professional servicing.
6. Clean the Flame Sensor
- Dirty sensor: A dirty flame sensor can cause the furnace to shut off prematurely.
- Solution: Turn off the furnace and gently clean the sensor with a soft cloth or fine sandpaper.
7. Look for Blocked or Leaky Ducts
- Inspect ducts: Check for visible blockages or leaks in the ductwork.
- Seal leaks: Use duct tape or mastic sealant to patch small leaks.
8. Check Fuel Supply
- Gas furnaces: Ensure the gas valve is open and there is no interruption in the gas supply.
- Oil furnaces: Verify there’s enough oil in the tank.
9. Check for Error Codes
- Modern furnaces often display error codes on the control panel. Consult your furnace manual to decode and address any displayed errors.
10. Call a Professional HVAC Technician
- If unresolved: If none of the above steps resolve the issue, it’s time to call a professional. A certified HVAC technician can diagnose and fix complex issues, such as a malfunctioning heat exchanger, gas valve, or control board.
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See What Our Customers Are Saying:
May 16, 2021
Appreciated a quick response to my request. Dave and Greg were very professional and made the experience seamless.
Feb 1, 2021
Very professional through the entire process. Installation and removel was done on a sloppy winter day, they put down runners on the floors and stairs and when they left, there wasn;t any sign of someone being in our house. Furnace works great as promised.
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!
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