A good gas furnace fixing guide assists you in identifying what is wrong with the heater based on its signs. emergency furnace repair calgary That's what we do here with clear, straightforward information.
Troubleshooting Common Gas Heating System Problems
Every year, thousands of Calgary homeowners ask, "What's wrong with my gas furnace?" If you're in that circumstance, this guide will equip you with info before you call a furnace business. Understanding is protection against being benefited from-- though most repair professionals have sound principles.
Note: This guide covers the most common issues, specifically those most property owners can quickly check with no tools or fundamental tools such as screwdrivers and a multimeter.
1. The Heating System Will Not Start
If absolutely nothing happens when the thermostat is set above the home's existing temperature, the most likely causes are these:
- The furnace switch (located on or near the heater, appears like a typical light switch) is switched off and simply requires to be switched on, though the heater might have a brief hold-up before starting
- 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 inspect and correct
- The thermostat isn't working, and this is in some cases triggered by a wire coming loose, so check the circuitry connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and need to be replaced, an issue that can be identified utilizing an electrical multimeter that shows if a circuit is complete
- The filter is filthy and must be replaced or cleaned, a problem that is especially real on more recent heaters that are equipped to close down if the filter isn't allowing sufficient air flow, a condition that can cause major mechanical failure
- The heater's primary circuit board/control board is bad, a concern that can be detected by a HEATING AND COOLING service technician is nothing else resolves the concern
2. Furnace Blowing Cold Air
If the heater will not produce heat, you can inspect to see if it is getting power by moving the fan switch from the "Vehicle" position to the "On" position. If the fan begins, then the furnace is getting power. The most likely concerns then are:
- The gas is switched off, so check the gas cock near the furnace to make certain it is parallel to the gas line
- The gas control valve isn't opening and should be changed
- 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 requires to be cleared
3. The Draft Motor Runs, Furnace Will Not Start
The draft motor is likewise called the inducer motor. It pulls hot combustion gases through the furnace and out the exhaust stack. If it begins and after that the furnace closes down, the cause might be:
- The motor or the board that controls it has actually failed and need to be changed
- An obstructed air consumption or obstructed exhaust chimney (snow, debris and bird's nests are common causes) should be cleared
- One of the problems gone over above with gas, gas valve and ignitor need to be dealt with
4. The Draft Motor Won't Start
The issue, 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 problems and what is triggering them.
5. The Flame Starts, but the Heating system Shuts Down
If the burner begins making heat however quickly shuts off without warming your house, the flame sensor isn't working. If the sensor has deterioration 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 three typical concerns:
- The fan switch on the thermostat is set to "on" instead of "auto".
- Relays in the control board are stuck in the closed position, so the blower is getting a constant supply of electrical power, and the control board must be changed.
- The thermostat also has contacts that manage power to the heater, and they can be used, so the thermostat must be changed.
7. Why Does the Furnace Keep Shutting Down?
If your heating system burner lights however the furnace soon turns off, there are a couple of common problems that might cause this:.
- The furnace filter is dirty and need to be cleaned or changed.
- The flame sensor isn't working and need to be replaced.
- The thermostat is failing.
- While these are common, there are several other potential causes best identified by a heating system specialist. This video provides in-depth coverage to the problem of furnace short-cycling.
8. The Heater Runs but Can't Keep your home Warm.
If your heating system is properly sized for your house, then it must keep your house warm even in severe cold. If it runs continuously however isn't supplying sufficient heat, the most likely causes are:.
- An unclean filter that need to be cleaned (just if the washable type) or changed.
- The filter is the incorrect type for your heater and limits air flow, so must be replaced.
- The filter is set up in reverse, a problem that can be examined by looking for the arrows on the filter frame that reveal correct installation instructions with the flow of air.
- Duct are leaking, sometimes producing obvious whistling sounds, and it is time to have them sealed as recommended by Energy Star.
9. The Heating System Makes Loud Noises.
A noisy furnace is usually the result of:.
- The heater being a single-stage design that operates 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 need to be replaced.
- A leakage in the heating system cabinet, sheet metal plenum or ductwork near the furnace that should be tightened.
- 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 concern is more than likely a stopped up drain pan or drain line.
11. The Air Coming from the Heating System Smells Bad.
Foul odors from the furnace are usually triggered by:.
- A very dirty filter that ought to be washed, if washable, or replaced.
- A dead rodent or bird someplace in the system, usually a task for an expert furnace technician.
12. The CO Monitor Going Off.
A carbon monoxide alarm must be taken seriously. Turn the heater off heating and air conditioning at the thermostat. Don't enter into the space where the heating system lies. Open doors and windows, and go outside. Call 911 from a cellular phone outside your home.
How to Pick a Gas Furnace Repair Specialist.
Some property owners pick the least expensive repair service in Calgary, and the outcomes are typically bad. Cheap services are either just getting going, so lack experience or they have a bad track record, so must offer low-cost pricing to get tasks.
On the other hand, some services are overpriced. The very best method to discover quality furnace repair at a reasonable cost is to get price quotes from numerous of the leading heating system repair work companies in Calgary. Meet with each, learn about their history and the experience of the technicians that will do the work. Select an experienced furnace repair professional with reasonable rates.