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What Parts of My Furnace Can be Replaced?
Posted On: October 5, 2024
When it comes to furnace maintenance or repair, several parts can be replaced to keep the system running efficiently. Here’s a breakdown of the most commonly replaced parts in a furnace:
1. Air Filters
- Function: Filters remove dust, debris, and allergens from the air before it circulates through your home.
- Replacement Frequency: Regularly, depending on usage (typically every 1-3 months).
2. Blower Motor
- Function: Powers the fan that distributes warm air throughout your home.
- Replacement Signs: If the motor makes loud noises or fails to blow air effectively.
3. Heat Exchanger
- Function: Transfers heat from combustion gases to the air that flows through your ducts.
- Replacement Signs: If it cracks or corrodes, leading to potential carbon monoxide leaks—a serious safety issue.
4. Thermostat
- Function: Controls the temperature of your furnace and your home.
- Replacement Signs: When your furnace has trouble reaching the set temperature, or if the thermostat malfunctions.
5. Ignitor or Pilot Light
- Function: Lights the burner to produce heat.
- Replacement Signs: If the furnace fails to ignite, or you notice inconsistent heating.
6. Flame Sensor
- Function: Detects the burner flame and shuts off the gas if no flame is present to prevent gas leaks.
- Replacement Signs: When your furnace repeatedly shuts off due to faulty flame detection.
7. Burner
- Function: Combusts gas to produce heat.
- Replacement Signs: If rust or dirt buildup impacts the burner’s ability to function properly.
8. Limit Switch
- Function: A safety device that shuts off the furnace if it overheats.
- Replacement Signs: When the furnace shuts off prematurely or fails to turn on.
9. Thermocouple
- Function: Monitors the pilot light and controls the gas valve.
- Replacement Signs: If the pilot light keeps going out, indicating the thermocouple may be faulty.
10. Control Board
- Function: Coordinates the furnace’s operations, including the blower, ignition, and gas valve.
- Replacement Signs: If multiple components stop working in sync or the furnace malfunctions frequently.
Replacing these parts helps extend the life of your furnace and maintain its energy efficiency. Always consult a professional for proper diagnosis and replacement of parts.
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See What Our Customers Are Saying:
Jan 1, 2015
Dave was great in helping me get the proper units for my property, as well as getting them installed. The installers arrived when they said they would, and completed the project on time, and professionally. If I needed another furnace, I would use Dave again.
Jan 1, 2015
I have known Greg and Grant Dainty for many years and have used their company for my house and business. I recommended them also for my parents and sister and they all have been very satisfied with the quality of work for a reasonable price. I just recently had them install a new HVAC system in an older house and was very pleased with their work. Craig in Pickering. After meeting with various heating and air conditioning contractors I was referred to Twin Tech Heating and Cooling through a family member. Greg and Grant arrived at my home and provided me with an estimate and a plan as to how they were going to remove and replace my furnace and air conditioner. On the day of install Greg and Grant arrived at my home on time and were very professional and extremely courteous as to any questions or concerns that I had. The removal and install was truly professional and the attention to detail was exactly what I was looking for. Ive seen many installs from other contractors and I couldnt be any happier to have had such a clean looking install. The sheet metal work, ducting and venting all look fantastic. Upon completion Greg and Grant left me feeling extremely happy and very fortunate of a job well done. Thanks again Twin Tech!!
Jan 1, 2015
My old furnace had finally broken down for the last time when contacted twintech to have a new furnace installed They were prompt, knowledgeable and very reasonably priced. They did such a great job i tell all my friends and family about this company.
Jan 1, 2015
To whom it may concern, I recently had TwinTech (Greg and Grant Dainty) replace my furnace and service both my gas fireplaces and air conditioning unit. They were professional, courteous and very fair in their pricing. I would gladly recommend TwinTech to anyone needing work done. I can be contacted at 905-626-XXXX.
Jan 1, 2015
My Fiancé and I have relied on Twintech Heating and Cooling now for the better part of the last 10 years. In that time, Greg has installed a furnace, an air conditioner, and a heat-pump at our residence in Toronto. In each instance Greg and his team were a pleasure to deal with. They were courteous and professional throughout the whole process and the quality of their work is first rate. Our experiences have always been extremely positive and we have referred his services numerous times to our friends and family. Without hesitation, I would recommend Greg and TwinTech Heating and Cooling to anyone looking to service or replace their existing heat/AC equipment
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