A good gas furnace repairing guide assists you in identifying what is wrong with the heating system based upon its symptoms. That's what we do here with clear, uncomplicated information.
Fixing Common Gas Furnace Issues
Every year, countless Calgary homeowners ask, "What's wrong with my gas furnace?" If you're in that circumstance, this guide will equip you with details prior to you call a heating system company. Knowledge is security against being benefited from-- though a lot of repair specialists have sound ethics.
Keep in mind: This guide covers the most typical issues, particularly those most property owners can quickly check with no tools or fundamental tools such as screwdrivers and a multimeter.
1. The Heater Will Not Start
If absolutely nothing occurs when the thermostat is set above the house's existing temperature, the most likely causes are these:
- The heater switch (located on or near the heating system, appears like a typical light switch) is turned off and just requires to be turned on, though the heater might heating and cooling systems have a brief delay prior to beginning
- The circuit breaker is off, and if the circuit continues to trip after it is turned back on, there is likely a wiring brief in the heater
- The thermostat isn't set to "heat," which is easy to check and remedy
- The thermostat isn't working, and this is often caused by a wire coming loose, so examine the circuitry connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and must be changed, a concern that can be diagnosed using an electrical multimeter that shows if a circuit is complete
- The filter is dirty and must be replaced or cleaned up, an issue that is especially real on newer heating systems that are equipped to shut down if the filter isn't allowing adequate air flow, a condition that can cause major mechanical failure
- The heating system's main circuit board/control board is bad, an issue that can be detected by a HEATING AND COOLING specialist is absolutely nothing else fixes the concern
2. Furnace Blowing Cold Air
If the heating system will not produce heat, you can inspect to see if it is getting power by moving the fan switch from the "Auto" position to the "On" position. If the fan begins, then the heating system is getting power. The most likely issues then are:
- The gas is switched off, so check the gas dick near the furnace to ensure it is parallel to the gas line
- The gas control valve isn't opening and should be replaced
- The ignitor is stopping working and need to be changed
- The draft motor isn't operating or the fresh-air consumption is obstructed, maybe by snow or particles, 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 furnace and out the exhaust stack. If it begins and after that the heating system closes down, the cause might be:
- The motor or the board that controls it has actually stopped working and must be changed
- An obstructed air intake or obstructed exhaust chimney (snow, debris and bird's nests prevail causes) must be cleared
- One of the concerns talked about above with gas, gas valve and ignitor need to be attended to
4. The Draft Motor Won't Start
The issue, in this case, is either that the motor is bad or the capacitor that furnace company calgary supports it is bad. This video will help you in troubleshooting draft motor concerns and what is causing them.
5. The Flame Starts, however the Heater Shuts Down
If the burner starts making heat however soon turns off without warming your house, the flame sensor isn't working. If the sensing unit has deterioration on it, sanding it might work, though changing it is a longer-lasting repair.
6. The Blower Will Not Shut Off
If the blower motor runs all the time, there are 3 common issues:
- The fan switch on the thermostat is set to "on" rather than "auto".
- Relays in the control panel are stuck in the closed position, so the blower is getting a constant supply of electricity, and the control panel must be replaced.
- The thermostat likewise has contacts that manage power to the furnace, and they can be worn, so the thermostat needs to be replaced.
7. Why Does the Heating System Keep Shutting Down?
If your heating system burner lights however the heater soon turns off, there are a couple of typical issues that may trigger this:.
- The heating system filter is dirty and need to be cleaned or replaced.
- The flame sensor isn't working and need to be changed.
- The thermostat is stopping working.
- While these are common, there are numerous other prospective causes best detected by a furnace professional. This video offers extensive protection to the issue of heating system short-cycling.
8. The Heater Runs but Can't Keep your house Warm.
If your heater is correctly sized for your home, then it needs to keep your house warm even in severe cold. If it runs constantly but isn't offering sufficient heat, the likely causes are:.
- An unclean filter that need to be cleaned (just if the washable type) or changed.
- The filter is the wrong type for your furnace and limits airflow, so should be changed.
- The filter is installed in reverse, an issue that can be inspected by trying to find the arrows on the filter frame that show appropriate installation direction with the circulation of air.
- Air ducts are dripping, in some cases 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 heater is usually the outcome of:.
- The heating system being a single-stage design that runs 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 leakage in the heating system cabinet, sheet metal plenum or ductwork near the furnace that must be tightened up.
- An unclean filter, which can also trigger whistling.
10. The Heating System Leaks when A/C is Running.
Water condenses on the evaporator coil in your heater, and if it leakages onto the floor, the concern is probably a clogged drain pan or drain line.
11. The Air Coming from the Heating System Smells Bad.
Foul odors from the heater are generally caused by:.
- A very unclean filter that should be washed, if washable, or changed.
- A dead rodent or bird someplace in the system, typically a task for an expert furnace technician.
12. The CO Screen Going Off.
A carbon monoxide alarm must be taken seriously. Turn the heater off at the thermostat. Do not go into the room where the furnace is located. Open doors and windows, and go outside. Call 911 from a mobile phone outside your house.
How to Select a Gas Heating System Repair Specialist.
Some property owners pick the least expensive repair service in Calgary, and the results are typically poor. Cheap services are either just getting started, so lack experience or they have a bad reputation, so should give inexpensive pricing to get tasks.
On the other hand, some services are overpriced. The very best method to find quality heating system repair work at a fair cost is to get estimates from numerous of the leading heater repair work companies in Calgary. Consult with each, learn more about their history and the experience of the professionals that will do the work. Pick an experienced heating system repair professional with affordable rates.