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Why Does My Furnace Need So Many Repairs?
If your furnace keeps needing repairs, it’s a sign that something deeper might be going on. Here are the most common reasons:
Lack of Regular Maintenance
Just like a car, your furnace needs routine checkups. Skipping annual inspections or filter changes can lead to dirt buildup, worn-out parts, and poor efficiency — all of which cause breakdowns.
Old Age
Furnaces typically last 15-20 years. If yours is nearing that range, parts start wearing out more frequently, leading to repeated repairs.
Improper Sizing or Installation
A furnace that's too small works overtime, and one that's too large cycles on and off too quickly. Both scenarios cause extra wear and tear on components.
Clogged or Dirty Filters
A dirty filter restricts airflow, making your furnace work harder. This strain can cause overheating, blower motor failure, or even a cracked heat exchanger.
Thermostat Issues
A malfunctioning thermostat can cause short cycling or make the furnace run longer than necessary, putting extra stress on the system.
Wear and Tear on Components
Blower motors, belts, bearings, and igniters naturally wear out over time. If multiple parts start failing, it may be more cost-effective to consider replacement.
Electrical Issues
Frequent on/off cycling or power surges can damage electrical components, leading to ignition problems, pilot light failures, or motor malfunctions.
Airflow Problems
Blocked vents, leaky ductwork, or even an improperly balanced system can cause uneven heating, making the furnace work harder than it should.
Pilot Light or Ignition Problems
Modern furnaces often use electronic ignition, which can fail due to sensor issues, dirt, or electrical problems.
Manufacturer Defects
Rare, but possible — some furnaces come with faulty parts or poor design that causes repeated failures.
When Should You Consider Replacing It?
If your furnace is over 15 years old, and repairs are becoming frequent and costly (especially major parts like heat exchangers or blowers), a replacement might save you money in the long run — plus, newer models are more energy-efficient.
I first met Greg and Grant (The Twin Brothers from Twin Tech - yup -it's not just a cool company name) back in 2014 when our furnace broke down and they installed our Carrier Furnace and AC that we purchased through Sears. I liked them instantly when I met them due to their friendly and professional service, and the fact that they didn't mind taking a little extra time to explain things in terms I could understand. Since that time they have reached out to me at least once a year to ensure that everything was running smoothly with my system and to keep me appraised of their evolving services. Due to this high level of proactive customer service I didn't hesitate to call and obtain their help for a Gas Stove removal and installation. When I scheduled the call Greg and Grant let me know that they would arrive the morning of the appliance delivery to disconnect the old gas stove, and then return in the afternoon to connect the new stove. Sure enough, they did just that as promised. Where they exceeded my expectations is with the extra level of support helping to assemble the burners and grills on the stove and in the oven. This may seem like a small thing to some but to my wife who was at home during this entire process it meant a stress free transition to the meal prep for the day. When I called home to ask about the install she commented that, "they left the place cleaner than it was when they arrived and they setup all the grills on top of the stove and in the oven... they didn't have to do all that -Wow!". You know what they say, Happy Wife, Happy Life. So in summary, I am recommending Twintech Heating & Cooling for all of your Furnace, Air Conditioning, and Gas Line needs. I've even called on these guys to help swap out a leaky water valve. They are just so easy to reach and communicate with by phone, and they don't mind a text message to confirm the details. You can rest easy when you have the Twins on your side as an extension of your household maintenance plan.
First thing, they actually showed up for a quote. Other big name companies in the area didn't even return my call , job was done as expected and new equipment is quiet and installed very clean and professional. Would highly recommend these guys.
They removed our old furnace and replaced it with a new furnace and AC system.
Work was performed in a clean and timely manner. The furnace and metal work was performed by the Twintech team (did not require separate contractor to do the metal work). Energy audit was arranged and promised rebates were received. The overall price was very competitive. We have recommended Twintech to several of our friends and family. Awesome job.
Grant and Greg installed a heating and AC system in our new Linwood post and beam home. Post and beam can be challenging structures for running ductwork and their high ceilings and open concept frequently frustrate efforts at balancing air flow and controlling temperatures. But these guys did it and did it right the first time. Even the building inspector was impressed with what he saw. More importantly, the boys brought a high degree of trust and integrity to the job. Something in short supply these days.
Very polite and professional. They removed my o
ld furnace and A/C and installed my new ones. They were efficient and thoroughly cleaned up when they were done! I would highly recommend them!
Pro from start to finish. They were able to fix my gas fireplace at very little cost as well.
Excellent installation very knowledgeable gentlemen! Would highly recommend them to all my friends for any hvac work !
I have used Twintech many times over the years. They always arrive quickly and get the issue fixed. The most recent incident was when my air conditioner broke last week I called Greg at 11:30am and he was at my home by 2:30pm he had the unit fixed by 3:30pm. Twintech are very reliable and honest and they are experts in the field. I have already recommended them to many of my friends. I would not use anyone but them for my heating and air conditioning issues.
I would highly recommend these guys, professional, fast and competitive pricing. I moved into this place with no working AC unit with a 8 month baby, he was able to come with in a week to fix even in the busy summer days. He really values his customers , I am already recommending to my neighbors.
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Very pleased with the professional service that TwinTech Heating and Cooling provided in replacing my furnace. I got several quotes from different service providers. Their price was excellent and they explained the features very well. We are very glad we went with TwinTech and highly recommend their services.
We were new homeowners in need of a second opinion. TwinTech Heating & Cooling were Amazing and professional. Very knowledgeable and great service all around. Recommend to anyone looking for honest and reliable services. Treated with respect and care. Thank you Greg, Mitch and Bob!
TwinTech is an excellent and honest company! I called them for a second opinion after being told by another company that I needed to replace my furnace. Turns out this was not the case at all! I did not need a new furnace. TwinTech did not push to make an unnecessary sale and saved me from a huge expense. Bob and Mitch were extremely professional and above all honest! I definitely recommend TwinTech!
Amazing experience with TwinTech Heating & Cooling! Their team was professional, knowledgeable, and efficient from start to finish. They installed my new furnace quickly and left everything spotless. The technicians took the time to explain everything and made sure I was comfortable with the system before they left. Great customer service and fair pricing. I highly recommend them for anyone needing HVAC services!
Great experience all around. Bob was sharp and easy to talk to, and Greg handled the installation perfectly. Would hire them again in a heartbeat.
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