A good gas heating system repairing guide helps you in determining what is wrong with the furnace based on its signs. That's what we do here with clear, straightforward details.
Fixing Common Gas Furnace Problems
Every year, thousands of Calgary homeowners ask, "What's wrong with my gas heater?" If you're in that scenario, this guide will arm you with information before you call a furnace company. Knowledge is security against being made the most of-- though most repair work professionals have sound principles.
Note: This guide covers the most typical problems, especially those most property owners can easily contact no tools or basic tools such as screwdrivers and a multimeter.
1. The Heater Will Not Start
If nothing takes place when the thermostat is set above the home's present temperature, the most likely causes are these:
- The heating system switch (located on or near the heater, appears like a common light switch) is switched off and merely needs to be turned on, though the furnace might have a brief delay 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 furnace
- The thermostat isn't set to "heat," which is simple to examine and correct
- The thermostat isn't working, and this is often triggered by a wire coming loose, so check the electrical wiring connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and must be changed, a problem that can be diagnosed utilizing an electrical multimeter that shows if a circuit is total
- The filter is unclean and must be changed or cleaned, an issue that is particularly true on newer furnaces that are equipped to close down if the filter isn't enabling appropriate air circulation, a condition that can trigger serious mechanical failure
- The heating system's main circuit board/control board is bad, a problem that can be identified by a HEATING AND COOLING service technician is nothing else solves the concern
2. Heating System Blowing Cold Air
If the heater won't produce heat, you can check to see if it is getting power by moving the fan switch from the "Automobile" position to the "On" position. If the fan comes on, then the heater is getting power. The likely concerns then are:
- The gas is shut off, so examine the gas cock near the furnace to make hvac heating and cooling certain it is parallel to the gas line
- The gas control valve isn't opening and should be replaced
- The ignitor is stopping working and should be changed
- The draft motor isn't operating or the fresh-air intake is obstructed, possibly by furnace maintenance calgary snow or debris, and requires to be cleared
3. The Draft Motor Runs, Heater Will Not Start
The draft motor is also called the inducer motor. It pulls hot combustion gases through the heater and out the exhaust stack. If it starts and then the furnace shuts down, the cause might be:
- The motor or the board that controls it has actually stopped working and should be replaced
- A blocked air consumption or obstructed exhaust chimney (snow, particles and bird's nests are common causes) must be cleared
- Among the concerns talked about above with gas, gas valve and ignitor need to be resolved
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 fixing draft motor problems and what is triggering them.
5. The Flame Begins, but the Heater Shuts Down
If the burner begins making heat however quickly turns off without warming your home, the flame sensor isn't working. If the sensor has deterioration on it, sanding it might work, though replacing it is a longer-lasting repair.
6. The Blower Will Not Shut Down
If the blower motor runs all the time, there are three common concerns:
- The fan switch on the thermostat is set to "on" instead of "vehicle".
- Relays in the control board are stuck in the closed position, so the blower is getting a continuous supply of electrical energy, and the control board need to be replaced.
- The thermostat also has contacts that control power to the furnace, and they can be used, so the thermostat must be replaced.
7. Why Does the Furnace Keep Turning Off?
If your heating system burner lights but the heating system soon shuts off, there are a few typical problems that might trigger this:.
- The heating system filter is unclean and should be cleaned up or replaced.
- The flame sensing unit isn't working and must be replaced.
- The thermostat is stopping working.
- While these prevail, there are several other prospective causes finest detected by a heater technician. This video offers thorough coverage to the issue of heater short-cycling.
8. The Heating System Runs however Can't Keep the House Warm.
If your furnace is effectively sized for your house, then it ought to keep your house warm even in severe cold. If it runs constantly however isn't offering enough heat, the most likely causes are:.
- A dirty filter that must be cleaned (only if the washable type) or replaced.
- The filter is the wrong type for your heater and limits air flow, so ought to be replaced.
- The filter is set up in reverse, a problem that can be examined by trying to find the arrows on the filter frame that reveal appropriate installation instructions with the circulation of air.
- Duct are dripping, in some cases producing telltale whistling noises, and it is time to have them sealed as recommended by Energy Star.
9. The Furnace Makes Loud Noises.
A noisy heating system is most often the outcome 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 changed.
- A leakage in the heater cabinet, sheet metal plenum or ductwork near the furnace that need to be tightened.
- An unclean filter, which can likewise cause whistling.
10. The Heater Leaks when A/C is Running.
Water condenses on the evaporator coil in your heater, and if it leakages onto the flooring, the problem is probably a blocked 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 cleaned, if washable, or changed.
- A dead rodent or bird someplace in the system, usually a job for an expert heater technician.
12. The CO Monitor Going Off.
A carbon monoxide gas alarm need to be taken seriously. Turn the heating system off at the thermostat. Don't enter into the room where the heater is located. Open doors and windows, and go outside. Call 911 from a mobile phone outside your home.
How to Select a Gas Heating System Repair Expert.
Some house owners pick the most affordable repair service in Calgary, and the results are usually bad. Inexpensive services are either just getting going, so do not have experience or they have a bad credibility, so need to give low-cost prices to get jobs.
On the other hand, some services are overpriced. The best method to discover quality furnace repair work at a fair price is to get price quotes from numerous of the leading furnace repair work business in Calgary. Consult with each, learn about their history and the experience of the specialists that will do the work. Select an experienced furnace repair work professional with affordable rates.