A good gas furnace repairing guide assists you in identifying what is wrong with the heater based on its symptoms. That's what we do here with clear, simple information.
Fixing Common Gas Furnace Problems
Every year, thousands of Calgary house owners ask, "What's wrong with my gas heating system?" If you remain in that situation, this guide will arm you with info prior to you call a heater company. Knowledge is defense against being made the most of-- though most repair specialists have sound principles.
Note: This guide covers the most common problems, particularly those most homeowners can quickly consult no tools or fundamental tools such as screwdrivers and a multimeter.
1. The Heating System Won't Start
If absolutely nothing occurs when the thermostat is set above the house's present temperature level, the most likely causes are these:
- The furnace switch (situated on or near the heater, appears like a typical light switch) is switched off and just requires to be turned on, though the furnace may have a brief hold-up before starting
- The circuit breaker is off, and if the circuit continues to journey after it is turned back on, there is likely an electrical wiring brief in the furnace
- The thermostat isn't set to "heat," which is simple to examine and remedy
- The thermostat isn't working, and this is in some cases brought on by a wire coming loose, so inspect the circuitry connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and must be replaced, a problem that can be diagnosed utilizing an electrical multimeter that reveals if a circuit is complete
- The filter is dirty and should be changed or cleaned up, an issue that is particularly real on newer furnaces that are equipped to close down if the filter isn't enabling adequate air flow, a condition that can trigger serious furnace repair in calgary mechanical failure
- The heater's main circuit board/control board is bad, an issue that can be diagnosed by a HVAC service technician is nothing else fixes the issue
2. Heater Blowing Cold Air
If the heater will not produce heat, you can examine to see if it is getting power by moving the fan switch from the "Automobile" position to the "On" position. If the fan begins, then the furnace is getting power. The most likely concerns then are:
- The gas is turned off, so examine the gas dick near the heating system to ensure it is parallel to the gas line
- The gas control valve isn't opening and need to be replaced
- The ignitor is stopping working and need to be replaced
- The draft motor isn't operating or the fresh-air intake is obstructed, possibly by snow or debris, and needs to be cleared
3. The Draft Motor furnace company calgary Runs, Heater Will Not Start
The draft motor is also called the inducer motor. It pulls hot combustion gases through the heating system and out the exhaust stack. If it starts and after that the heating system closes down, the cause might be:
- The motor or the board that manages it has stopped working and must be replaced
- A blocked air consumption or obstructed exhaust chimney (snow, particles and bird's nests are common causes) must be cleared
- One of the issues discussed above with gas, gas valve and ignitor need to be dealt with
4. The Draft Motor Won't Start
The problem, in this case, is either that the motor is bad or the capacitor that supports it is bad. This video will help you in repairing draft motor issues and what is causing them.
5. The Flame Begins, but the Furnace Shuts Down
If the burner begins making heat but quickly shuts down without warming your home, the flame sensing unit isn't working. If the sensor has rust on it, sanding it might work, though changing it is a longer-lasting fix.
6. The Blower Won't Shut Down
If the blower motor runs all the time, there are 3 common concerns:
- The fan switch on the thermostat is set to "on" rather than "automobile".
- Relays in the control board are stuck in the closed position, so the blower is getting a constant supply of electricity, and the control panel must be changed.
- The thermostat also has contacts that control power to the heater, and they can be used, so the thermostat needs to be replaced.
7. Why Does the Furnace Keep Turning Off?
If your heater burner lights however the heating system soon turns off, there are a few typical concerns that may trigger this:.
- The furnace filter is filthy and ought to be cleaned or changed.
- The flame sensor isn't working and need to be changed.
- The thermostat is stopping working.
- While these are common, there are numerous other potential causes best identified by a heating system technician. This video offers extensive coverage to the issue of heating system short-cycling.
8. The Heating System Runs however Can't Keep your home Warm.
If your furnace is effectively sized for your house, then it must keep your house warm even in extreme cold. If it runs continuously however isn't offering sufficient heat, the likely causes are:.
- A filthy filter that should be washed (only if the washable type) or changed.
- The filter is the incorrect type for your heater and limits air flow, so must be changed.
- The filter is installed backwards, a problem that can be inspected by searching for the arrows on the filter frame that show appropriate setup direction with the circulation of air.
- Duct are dripping, sometimes producing obvious whistling noises, and it is time to have them sealed as recommended by Energy Star.
9. The Furnace Makes Loud Noises.
A loud heating system is most often the result of:.
- The heater being a single-stage design that runs on high capability 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 leakage in the furnace cabinet, sheet metal plenum or ductwork near the heating system that need to be tightened up.
- An unclean filter, which can also trigger whistling.
10. The Heater Leaks when AC is Running.
Water condenses on the evaporator coil in your furnace, and if it leakages onto the flooring, the issue is more than likely a clogged drain pan or drain line.
11. The Air Coming from the Heater Smells Bad.
Foul odors from the heater are normally caused by:.
- A really dirty filter that ought to be cleaned, if washable, or replaced.
- A dead rodent or bird somewhere in the system, normally a job for an expert furnace specialist.
12. The CO Display Going Off.
A carbon monoxide gas alarm should be taken seriously. Turn the heating system off at the thermostat. Do not enter into the space where the heater lies. Open doors and windows, and go outside. Call 911 from a mobile phone outside your home.
How to Select a Gas Furnace Repair Expert.
Some homeowners pick the least expensive repair work service in Calgary, and the results are typically poor. Inexpensive services are either just beginning, so do not have experience or they have a bad track record, so need to offer inexpensive pricing to get tasks.
On the other hand, some services are overpriced. The very best method to find quality heating system repair at a reasonable price is to get quotes from several of the leading heater repair work business in Calgary. Meet each, find out about their history and the experience of the service technicians that will do the work. Choose an experienced heater repair work specialist with affordable rates.