An excellent gas furnace fixing guide assists you in identifying what is wrong with the heater based on its symptoms. That's what we do here with clear, uncomplicated info.
Troubleshooting Common Gas Furnace Issues
Every year, thousands of Calgary homeowners ask, "What's wrong with my gas furnace?" If you're in that circumstance, this guide will arm you with info prior to you call a heater business. Understanding is security against being made the most of-- though the majority of repair work specialists have sound ethics.
Keep in mind: This guide covers the most typical problems, especially those most house owners can quickly contact no tools or basic 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 furnace repair near me home's current temperature level, the most likely causes are these:
- The furnace switch (located on or near the heater, appears like a typical light switch) is turned off and simply needs to be switched on, though the furnace may have a brief delay prior to beginning
- The breaker is off, and if the circuit continues to trip after it is turned back on, there is likely a wiring short in the heating system
- The thermostat isn't set to "heat," which is simple to inspect and fix
- The thermostat isn't working, and this is sometimes triggered by a wire coming loose, so check the electrical wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and must be replaced, an issue that can be diagnosed utilizing an electrical multimeter that reveals if a circuit is total
- The filter is unclean and need to be replaced or cleaned, an issue that is particularly true on newer furnaces that are equipped to shut down if the filter isn't permitting adequate air circulation, a condition that can trigger major mechanical failure
- The heating system's main circuit board/control board is bad, a concern that can be detected by a HEATING AND COOLING professional is absolutely nothing else resolves the issue
2. Heater Blowing Cold Air
If the furnace won't produce heat, you can examine 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 heater is getting power. The likely concerns then are:
- The gas is turned off, so inspect the gas cock near the heater to make sure it is parallel to the gas line
- The gas control valve isn't opening and need to be replaced
- The ignitor is failing and must be changed
- The draft motor isn't functioning or the fresh-air intake is blocked, perhaps by snow or debris, and requires to be cleared
3. The Draft Motor Runs, Heater Won't Start
The draft motor is likewise called the inducer motor. It pulls hot combustion gases through the heater and out the exhaust stack. If it starts and then the heating system closes down, the cause might be:
- The motor or the board that controls it has failed and must be changed
- A blocked air consumption or blocked exhaust chimney (snow, particles 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 resolved
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 help you in repairing draft motor problems and what is triggering them.
5. The Flame Begins, but the Heating system Shuts Down
If the burner begins making heat but soon shuts off without warming your home, the flame sensor isn't working. If the sensor has corrosion on it, sanding it may 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 typical issues:
- The fan turn on the thermostat is set to "on" instead of "vehicle".
- Relays in the control panel are stuck in the closed position, so the blower is getting a constant supply of 24 hour furnace repair calgary electricity, and the control panel must be replaced.
- The thermostat also has contacts that control power to the heating system, and they can be used, so the thermostat must be replaced.
7. Why Does the Heater Keep Shutting Off?
If your heating system burner lights however the furnace soon shuts off, there are a few typical problems that may trigger this:.
- The furnace filter is dirty and ought to be cleaned or changed.
- The flame sensing unit isn't working and must be replaced.
- The thermostat is failing.
- While these prevail, there are several other potential causes finest diagnosed by a furnace technician. This video gives in-depth protection to the issue of heating system short-cycling.
8. The Heating System Runs however Can't Keep the House Warm.
If your heating system is effectively sized for your house, then it needs to keep your house warm even in extreme cold. If it runs continuously but isn't offering enough heat, the most likely causes are:.
- A dirty filter that need to be washed (only if the washable type) or changed.
- The filter is the wrong type for your heater and restricts airflow, so should be replaced.
- The filter is set up backwards, an issue that can be checked by looking for the arrows on the filter frame that reveal correct installation direction with the circulation of air.
- Air ducts are dripping, in some cases producing obvious whistling sounds, and it is time to have them sealed as advised by Energy Star.
9. The Heater Makes Loud Noises.
A loud heater is frequently the outcome of:.
- The heating system being a single-stage model 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 need to be changed.
- A leakage in the heating system cabinet, sheet metal plenum or ductwork near the heater that should be tightened up.
- A dirty filter, which can also trigger whistling.
10. The Heating System Leaks when A/C is Running.
Water condenses on the evaporator coil in your heating system, and if it leaks onto the floor, the problem is more than likely a clogged up drain pan or drain line.
11. The Air Coming from the Furnace Smells Bad.
Foul odors from the furnace are generally triggered by:.
- An extremely unclean filter that ought to be cleaned, if washable, or replaced.
- A dead rodent or bird somewhere in the system, typically a job for an expert heater technician.
12. The CO Display Going Off.
A carbon monoxide alarm need to be taken seriously. Turn the furnace off at the thermostat. Do not enter into the room where the furnace lies. Open doors and windows, and go outside. Call 911 from a cell phone outside your home.
How to Select a Gas Furnace Repair Professional.
Some house owners choose the most inexpensive repair work service in Calgary, and the results are generally bad. Inexpensive services are either just getting going, so lack experience or they have a bad track record, so must offer low-cost rates to get jobs.
On the other hand, some services are overpriced. The very best method to find quality heater repair at a reasonable price is to get estimates from several of the leading heater repair companies in Calgary. Consult with each, find out about their history and the experience of the specialists that will do the work. Pick a skilled furnace repair specialist with affordable rates.