A great gas heating system repairing guide helps you in determining what is wrong with the heating system based upon its signs. That's what we do here with clear, uncomplicated info.
Repairing Common Gas Heating System Problems
Every year, thousands of Calgary homeowners ask, "What's wrong with my gas heating system?" If you remain in that situation, this guide will equip you with info prior to you call a furnace business. Knowledge is security against being benefited from-- though most repair work experts have sound ethics.
Keep in mind: This guide covers the most common problems, specifically those most homeowners can quickly consult no tools or standard tools such as screwdrivers and a multimeter.
1. The Heater Will Not Start
If nothing happens when the thermostat is set above the house's current temperature, the most likely causes are these:
- The heating system switch (located on or near the furnace, looks like a typical light switch) is shut off and merely needs to be switched on, though the heating system may have a short delay prior to starting
- The breaker is off, and if the circuit continues to journey after it is turned back on, there is likely a wiring short in the furnace
- The thermostat isn't set to "heat," which is easy to inspect and fix
- The thermostat isn't working, and this is often brought on by a wire coming loose, so inspect the electrical wiring connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and need to be replaced, a concern that can be detected using an electrical multimeter that shows if a circuit is total
- The filter is dirty and need to be changed or cleaned up, a concern that is particularly real on newer furnaces that are geared up to shut down if the filter isn't allowing appropriate air circulation, a condition that can trigger major mechanical failure
- The heater's primary circuit board/control board is bad, a concern that can be detected by an A/C professional is nothing else resolves the issue
2. Furnace Blowing Cold Air
If the heater 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 furnace is getting power. The likely issues then are:
- The gas is turned off, so examine the gas cock near the heating system 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 replaced
- The draft motor isn't functioning or the fresh-air intake is obstructed, possibly by snow or particles, and requires to be cleared
3. The Draft Motor Runs, Heater Won't Start
The draft motor is also called the inducer motor. It pulls hot combustion gases through the heating system and out the exhaust stack. If it begins and then the heating system closes down, the cause might be:
- The motor or the board that manages it has actually stopped working and should be changed
- A blocked air consumption or blocked exhaust chimney (snow, debris and bird's nests prevail causes) should be cleared
- One of the issues talked about above with gas, gas valve and ignitor should be addressed
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 repairing draft motor issues and what is triggering them.
5. The Flame Starts, but the Heater Shuts Down
If the burner starts making heat however soon shuts down without warming your house, the flame sensor isn't working. If the sensing unit has corrosion on it, sanding it might work, though changing it is a longer-lasting fix.
6. The Blower Will Not Shut Down
If the blower motor runs all the time, there are three typical problems:
- The fan switch on the thermostat is set to "on" rather than "auto".
- Relays in the control board are stuck in the closed position, so the blower is getting a continuous supply of electrical power, and the control board need to be replaced.
- The thermostat likewise has contacts that control power to the heater, and they can be used, so the thermostat should be changed.
7. Why Does the Furnace Keep Turning Off?
If your heating system burner lights however the heating system soon turns off, there are a few common concerns 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 ought to be replaced.
- The thermostat is stopping working.
- While these are common, there are several other prospective causes best identified by a heating system specialist. This video offers in-depth protection to the problem of heater short-cycling.
8. The Furnace Runs but Can't Keep your home Warm.
If your heating system is effectively sized for your home, then it should keep your house warm even in severe cold. If it runs continuously but isn't offering adequate heat, the most likely causes are:.
- A dirty filter that should be cleaned (only if the washable type) or replaced.
- The filter is the wrong type for your heating system and restricts air flow, so should be heating and cooling near me replaced.
- The filter is installed in reverse, a concern that can be checked by searching for the arrows on the filter frame that show correct setup direction with the flow of air.
- Duct are leaking, 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 loud heating system is most often the heating and cooling company 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 must be tightened.
- A filthy filter, which can also trigger whistling.
10. The Heating System Leaks when Air Conditioning is Running.
Water condenses on the evaporator coil in your heater, and if it leaks onto the flooring, the issue 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 generally triggered by:.
- A really dirty filter that ought to be washed, if washable, or replaced.
- A dead rodent or bird someplace in the system, generally a job for a professional heating system specialist.
12. The CO Monitor Going Off.
A carbon monoxide gas alarm should be taken seriously. Turn the furnace off at the thermostat. Do not enter into the room where the heating system is located. Open doors and windows, and go outside. Call 911 from a cellular phone outside your house.
How to Pick a Gas Heating System Repair Work Specialist.
Some property owners pick the cheapest repair service in Calgary, and the results are usually poor. Inexpensive services are either just beginning, so do not have experience or they have a bad reputation, so need to offer inexpensive pricing to get jobs.
On the other hand, some services are overpriced. The best way to discover quality heating system repair work at a reasonable price is to get price quotes from several of the leading heater repair work companies in Calgary. Consult with each, discover their history and the experience of the service technicians that will do the work. Choose an experienced furnace repair contractor with reasonable rates.