A great gas heating system repairing guide helps you in determining what is wrong with the furnace based upon its signs. That's what we do here with clear, simple details.
Repairing Common Gas Heating System Issues
Every year, countless Calgary house owners ask, "What's wrong with my gas furnace?" If you remain in that circumstance, this guide will arm you with information prior to you call a heating system company. Understanding is security versus being taken advantage of-- though most repair work specialists have sound ethics.
Keep in mind: This guide covers the most typical issues, specifically those most homeowners can quickly talk to no tools or standard tools such as screwdrivers and a multimeter.
1. The Heating System Won't Start
If nothing occurs when the thermostat is set above the house's existing temperature, the most likely causes are these:
- The furnace switch (situated on or near the heating system, looks like a typical light switch) is turned off and just requires to be switched on, though the heater might have a short delay before beginning
- The breaker is off, and if the circuit continues to trip after it is turned back on, there is likely a circuitry brief in the furnace
- The thermostat furnace replacement isn't set to "heat," which is simple to examine and treat
- The thermostat isn't working, and this is often brought on by a wire coming loose, so inspect the electrical wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and need to be changed, a concern that can be diagnosed utilizing an electrical multimeter that shows if a circuit is total
- The filter is filthy and need to be replaced or cleaned, an issue that is specifically real on newer furnaces that are geared up to shut down if the filter isn't allowing appropriate air circulation, a condition that can trigger serious mechanical failure
- The heater's main circuit board/control board is bad, a problem that can be identified by a HEATING AND COOLING professional is absolutely nothing else resolves the issue
2. Heating System Blowing Cold Air
If the furnace will not produce heat, you can check to see if it is getting power by moving the fan switch from the "Vehicle" position to the "On" position. If the fan comes on, then the heating system is getting power. The most likely problems then are:
- The gas is shut off, so examine the gas dick near the heater to ensure it is parallel to the gas line
- The gas control valve isn't opening and must be changed
- The ignitor is failing and need to be replaced
- The draft motor isn't working or the fresh-air intake is obstructed, maybe by snow or debris, and needs to be cleared
3. The Draft Motor Runs, Furnace Will Not Start
The draft motor is also called the inducer motor. It pulls hot combustion gases through the heater and out the exhaust stack. If it starts and after that the furnace closes down, the cause might be:
- The motor or the board that manages it has actually stopped working and need to be replaced
- A blocked air intake or obstructed exhaust chimney (snow, debris and bird's nests are common causes) must be cleared
- Among the problems gone over above with gas, gas valve and ignitor must be addressed
4. The Draft Motor Will Not Start
The problem, in this case, is either that the motor is bad or the capacitor that supports it is bad. This video will assist you in fixing draft motor issues and what is causing them.
5. The Flame Begins, but the Heater Shuts Down
If the burner begins making heat however quickly shuts off without warming your house, the flame sensor isn't working. If the sensing unit has deterioration on it, sanding it may work, though replacing it is a longer-lasting repair.
6. The Blower Won't Shut Down
If the blower motor runs all the time, there are three typical concerns:
- The fan switch on the thermostat is set to "on" instead of "automobile".
- Relays in the control panel are stuck in the closed position, so the blower is getting a constant supply of electricity, and the control board need to be changed.
- The thermostat also has contacts that control power to the heating system, and they can be used, so the thermostat should be changed.
7. Why Does the Furnace Keep Shutting Down?
If your furnace burner lights however the heating system quickly turns off, there are a few typical issues that might cause this:.
- The heater filter is filthy and need to be cleaned or changed.
- The flame sensor isn't working and ought to be changed.
- The thermostat is failing.
- While these prevail, there are a number of other prospective causes best identified by a heater specialist. This video offers extensive coverage to the problem of heating system short-cycling.
8. The Heating System Runs however Can't Keep your home Warm.
If your heating system is correctly sized for your home, then it should keep your house warm even in extreme cold. If it runs continuously however isn't providing sufficient heat, the likely causes are:.
- A dirty filter that must be washed (only if the washable type) or replaced.
- The filter is the wrong type for your heater and restricts airflow, so ought to be changed.
- The filter is installed in reverse, a concern that can be checked by trying to find the arrows on the filter frame that show correct installation instructions with the flow of air.
- Duct are leaking, in some cases producing telltale whistling noises, and it is time to have them sealed as recommended by Energy Star.
9. heating and cooling company The Heater Makes Loud Noises.
A loud heater is frequently the result of:.
- The heater being a single-stage model that operates on high capacity all the time, so it's going to be loud.
- A bad bearing in the draft motor or the blower motor that should be replaced.
- A leak in the heater cabinet, sheet metal plenum or ductwork near the heater that must be tightened.
- A dirty filter, which can likewise cause whistling.
10. The Heating System Leaks when AC is Running.
Water condenses on the evaporator coil in your heater, and if it leakages onto the flooring, the problem is most likely a stopped up drain pan or drain line.
11. The Air Coming from the Heater Smells Bad.
Foul odors from the heating system are generally brought on by:.
- A really dirty filter that should be cleaned, if washable, or replaced.
- A dead rodent or bird somewhere in the system, normally a job for a professional heating system specialist.
12. The CO Display Going Off.
A carbon monoxide alarm should be taken seriously. Turn the heater off at the thermostat. Don't go into the room where the heating system is located. Open doors and windows, and go outside. Call 911 from a mobile phone outside your home.
How to Pick a Gas Furnace Repair Expert.
Some property owners choose the most affordable repair service in Calgary, and the results are usually bad. Low-cost services are either just getting started, so do not have experience or they have a bad reputation, so need to give inexpensive rates to get tasks.
On the other hand, some services are overpriced. The very best method to discover quality heating system repair at a reasonable rate is to get quotes from numerous of the top heating system repair business in Calgary. Meet with each, learn more about their history and the experience of the service technicians that will do the work. Choose a knowledgeable heating system repair work contractor with reasonable rates.