Igniter issues
Older gas furnaces feature gas-powered pilot-light ignitions. These igniters are a continually burning flame that turns on the burners to heat your home. Newer furnaces have an electric igniter. The pilot light going out is a common problem with gas furnaces.
Both these ignition systems can malfunction or fail to turn on. Restarting either requires a series of steps found in your furnace owner's manual. It's not as simple as lighting a flame. Electronic igniters can't be lit manually and doing so can be dangerous. A contractor can restart the ignition system for you and, if proper restarting fails, replace the ignition.
Thermostat issues
A broken thermostat is also something a contractor can fix. If it's beyond repair, you may need to install a new thermostat. Estimate around $20-$40 to buy a new non-programmable digital thermostats. To improve energy efficiency, upgrade to either a programmable digital or a wifi access thermostat. With either, you can set the temperature to automatically go down when you're not home, or turn on when you are or if the temperature in your home reaches a preset minimum.
Programmable digital thermostats that don't offer remote wifi access range from $20-$120or more. The price for wifi-enabled programmable thermostats range from $100-$250, on average. Also expect to pay $65, on average, for a contractor to replace and install your new one.
Electrical problems
Electrical problems, like a blown fuse or tripped circuit breaker, are common but relatively inexpensive to fix. HVAC technicians can tackle most electrical problems directly related to the furnace. If the electrical system has a serious problem, you may need to hire an electrician. Blower motor
On average, expect to pay $450 parts and labor to replace a single-speed motor and $600for a new variable-speed motor.
The blower motor is responsible for pushing air over the system's heat exchanger and circulating the heated air through your home's ductwork to keep your home warm and toasty. Air won't circulate if the blower motor is broken or malfunctioning, and no air circulation means no heat. Furnace troubleshooting checklist
Loosing heating in the winter is enough to send chills up the spine of any homeowner. Before you panic, run through this quick checklist to confirm your furnace needs repairs:
Make sure the thermostat has fresh batteries, is turned on and set to the correct time and day.
Check that the circuit breaker isn't tripped.
Replace the air filter on your furnace following the owner's manual.
If your furnace still doesn't turn on, it may be time to call a contractor who specializes in furnace repair. A heating, ventilation, and air conditioning contractor, also known as an HVAC technician, specializes in diagnosing and fixing common furnace problems. They can also conduct furnace maintenance before the start of winter to make sure you don't end up without heating when you need it most. Along with the not turning on at all, a faulty furnace might result in more expensive energy bills as you turn it on more often to heat your home. Also, call an HVAC contractor if you hear unusual noises, like loud clanking sounds, if it keeps cycling, if your pilot light goes out, or if the unit is leaking.
Is it better to repair my furnace or get a replacement?
Like anything mechanical, furnaces have an average lifespan. Most last 15 to 18 years before you need to buy a replacement. If your furnace is more than 15 years old, keeps breaking down, or the cost to repair the furnace approaches or exceeds the cost of a new furnace, it's probably more cost effective to replace it.
But the upside is that many furnaces on the market today are more fuel efficient and can save you money on energy bills. Also keep in mind that natural gas is cheaper than electricity, so even though an electric furnace may cost less up front, a gas furnace can save you money in the long run.
How to save money on furnace repairs
To save money on a furnace repair, first check to see if it's under warranty. If your furnace is still under warranty, certain failed parts might be covered. You'll still most likely need to pay for the service call and the labor. Also, ask your contractor for a free quote before you get started.
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Fixing a furnace is never a fun task for homeowners, but with the right HVAC professional at your side, you'll restore your home to its warm and cozy self in no time.