A great gas heating system repairing guide assists you in determining what is wrong with the heater based upon its symptoms. That's what we do here with clear, simple information.
Repairing Common Gas Furnace Problems
Every year, countless Calgary house owners ask, "What's wrong with my gas heater?" If you're in that situation, this guide will arm you with details before you call a furnace business. Knowledge is protection against being taken advantage of-- though many repair professionals have sound principles.
Keep in mind: This guide covers the most common problems, particularly those most property owners can quickly consult no tools or basic tools such as screwdrivers and a multimeter.
1. The Heating System Will Not Start
If absolutely nothing occurs when the thermostat is set above the house's present temperature, the most likely causes are these:
- The furnace switch (located on or near the heater, looks like a typical light switch) is turned off and simply requires to be turned on, though the heating system may have a brief delay before beginning
- The circuit breaker is off, and if the circuit continues to journey after it is turned back on, there is likely a wiring brief in the heater
- The thermostat isn't set to "heat," which is simple to check and treat
- The thermostat isn't working, and this is in some cases brought on by a wire coming loose, so examine the wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and must be replaced, a problem that can be detected using an electrical multimeter that shows if a circuit is total
- The filter is filthy and should be replaced or cleaned, a concern that is specifically true on newer furnaces that are geared up to shut down if the filter isn't allowing appropriate air circulation, a condition that can cause severe mechanical failure
- The furnace's main circuit board/control board is bad, a problem that can be diagnosed by an A/C service technician is nothing else solves the concern
2. Heater Blowing Cold Air
If the furnace will not 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 heating system is getting power. The likely issues then are:
- The gas is turned off, so inspect the gas dick near the heater to make certain it is parallel to the gas line
- The gas control valve isn't opening and must be replaced
- The ignitor is failing and need to be replaced
- The draft motor isn't working or the fresh-air consumption is blocked, perhaps by snow or particles, and needs to be cleared
3. The Draft Motor Runs, Heating System Will Not 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 after that the furnace shuts 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 prevail causes) should be cleared
- Among the problems talked about above with gas, gas valve and ignitor should be dealt with
4. The Draft Motor Will Not 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 troubleshooting draft motor problems and what is causing them.
5. The Flame Begins, however the Heater Shuts Down
If the burner starts making heat but quickly shuts down without warming your home, the flame sensor isn't working. If the sensor has rust on it, sanding it might work, though replacing it is a longer-lasting repair.
6. The Blower Will Not Turn Off
If the blower motor runs all the time, there are 3 emergency furnace repair common issues:
- The fan turn on the thermostat is set to "on" instead of "car".
- Relays in the control panel are stuck in the closed position, so the blower is getting a constant supply of electrical energy, and the control panel should be replaced.
- The thermostat likewise has contacts that control power to the furnace, and they can be worn, so the thermostat should be replaced.
7. Why Does the Furnace Keep Turning Off?
If your furnace burner lights but the heater soon shuts down, there are a couple of typical problems that might cause this:.
- The heating system filter is filthy and must be cleaned or replaced.
- The flame sensing unit isn't working and need to be changed.
- The thermostat is stopping working.
- While these are common, there are a number of other possible causes best identified by a heating system service technician. This video hvac company calgary gives thorough coverage to the problem of heater short-cycling.
8. The Heating System Runs however Can't Keep the House Warm.
If your furnace is appropriately sized for your home, then it needs to keep your home warm even in severe cold. If it runs continuously but isn't supplying adequate heat, the most likely causes are:.
- An unclean filter that need to be cleaned (only if the washable type) or replaced.
- The filter is the wrong type for your heater and limits airflow, so should be replaced.
- The filter is set up backwards, a concern that can be checked by searching for the arrows on the filter frame that reveal proper setup direction with the circulation of air.
- Duct are dripping, sometimes producing telltale whistling noises, and it is time to have them sealed as recommended by Energy Star.
9. The Heating System Makes Loud Noises.
A loud heating system is most often the outcome of:.
- The heating system being a single-stage model 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 changed.
- A leakage in the heating system cabinet, sheet metal plenum or ductwork near the furnace that need to be tightened up.
- An unclean filter, which can likewise cause whistling.
10. The Heater Leaks when Air Conditioner is Running.
Water condenses on the evaporator coil in your heater, and if it leaks onto the flooring, the concern is most likely a clogged up drain pan or drain line.
11. The Air Coming from the Heater Smells Bad.
Foul odors from the furnace are usually triggered by:.
- A really unclean filter that need to be washed, if washable, or changed.
- A dead rodent or bird somewhere in the system, usually a task for a professional heating system specialist.
12. The CO Monitor Going Off.
A carbon monoxide gas alarm should be taken seriously. Turn the heating system off at the thermostat. Don't go into the space 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 Work Specialist.
Some house owners choose the least expensive repair work service in Calgary, and the results are typically bad. Cheap services are either just beginning, so lack experience or they have a bad track record, so need to give low-cost pricing to get tasks.
On the other hand, some services are overpriced. The very best way to discover quality heating system repair work at a fair rate is to get price quotes from numerous of the top heating system repair companies in Calgary. Consult with each, discover their history and the experience of the specialists that will do the work. Choose a skilled heater repair specialist with reasonable rates.