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Is My Furnace Having Issues?
Posted On: March 4, 2025
If you're wondering whether your furnace is having issues, here are some common signs to look for:
1. Unusual Noises
- Banging, clanking, or squealing sounds may indicate a mechanical issue.
- Rattling or vibrating can signal loose parts.
2. Weak or No Heat
- If your furnace is blowing cold air, the thermostat, pilot light, or gas supply could be the issue.
- Uneven heating or weak airflow might indicate a clogged filter or failing blower motor.
3. Frequent Cycling
- If the furnace turns on and off too often, it may be due to a dirty filter, thermostat issues, or improper sizing.
4. Strange Smells
- A burning smell could indicate dust buildup or an electrical problem.
- A rotten egg smell could signal a gas leak—evacuate immediately and call a professional.
5. Increased Energy Bills
- A sudden spike in energy costs could mean your furnace is running inefficiently.
6. Yellow or Flickering Pilot Light
- A blue flame is normal. A yellow or flickering flame may indicate carbon monoxide or gas supply problems.
7. Poor Air Quality
- If you notice excessive dust, dryness, or respiratory issues, your furnace filter or ventilation system may be the cause.
If you're experiencing any of these problems, it may be time for maintenance or professional inspection.
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See What Our Customers Are Saying:
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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