A great gas furnace fixing guide helps you in determining what is wrong with the heating system based upon its symptoms. That's what we do here with clear, straightforward info.
Fixing Common Gas Heating System Problems
Every year, thousands of Calgary property owners ask, "What's wrong heating and cooling companies near me with my gas heater?" If you remain in that situation, this guide will equip you with details before you call a heating system company. Understanding is protection versus being made the most of-- though a lot of repair specialists have sound principles.
Note: This guide covers the most typical problems, especially those most homeowners can quickly contact no tools or fundamental 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 home's current temperature, the most likely causes are these:
- The heating system switch (situated on or near the heater, appears like a common light switch) is turned off and simply needs to be switched on, though the furnace may 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 furnace
- The thermostat isn't set to "heat," which is easy to check and fix
- The thermostat isn't working, and this is in some cases caused by a wire coming loose, so check the electrical wiring connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and need to be changed, an issue that can be diagnosed utilizing an electrical multimeter that reveals if a circuit is complete
- The filter is dirty and should be replaced or cleaned up, 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 trigger major mechanical failure
- The furnace's main circuit board/control board is bad, a concern that can be detected by a HEATING AND COOLING service technician is nothing else fixes the issue
2. Heating System Blowing Cold Air
If the furnace won't produce heat, you can check to see if it is getting power by moving the fan switch from the "Auto" position to the "On" position. If the fan begins, then the heating system is getting power. The most likely concerns then are:
- The gas is shut off, so inspect the gas cock near the heating system to ensure it is parallel to the gas line
- The gas control valve isn't opening and must be changed
- The ignitor is failing and should be replaced
- The draft motor isn't functioning or the fresh-air consumption is blocked, maybe by snow or debris, and needs to be cleared
3. The Draft Motor Runs, Heater 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 begins and then the furnace shuts down, the cause might be:
- The motor or the board that controls it has stopped working and should be changed
- An obstructed air intake or blocked exhaust chimney (snow, particles and bird's nests prevail causes) need to be cleared
- One of the problems talked about above with gas, gas valve and ignitor need to be attended to
4. The Draft Motor Won't Start
The problem, in this case, is either that the motor is bad or the capacitor that supports it is bad. This video will assist you in troubleshooting draft motor problems and what is triggering them.
5. The Flame Starts, but the Furnace Shuts Down
If the burner begins making heat but quickly shuts down without warming your house, the flame sensor isn't working. If the sensor has corrosion on it, sanding it may work, though replacing it is a longer-lasting fix.
6. The Blower Won't Shut Off
If the blower motor runs all the time, there are 3 common concerns:
- The fan turn on the thermostat is set to "on" rather than "automobile".
- Relays in the control board are stuck in the closed position, so the blower is getting a consistent supply of electrical power, and the control board must be changed.
- The thermostat likewise has contacts that control power to the furnace, and they can be worn, so the thermostat must be changed.
7. Why Does the Heater Keep Shutting Down?
If your furnace burner lights however the heater quickly shuts down, there are a couple of common problems that may trigger this:.
- The heating system filter is filthy and ought to be cleaned up or changed.
- The flame sensing unit isn't working and should be changed.
- The thermostat is failing.
- While these prevail, there are numerous other prospective causes best detected by a heater professional. This video gives thorough coverage to the issue of heating system short-cycling.
8. The Furnace Runs however Can't Keep your home Warm.
If your heater is properly sized for your house, then it ought to keep your home warm even in extreme cold. If it runs constantly however isn't supplying adequate heat, the most likely causes are:.
- A filthy filter that should be cleaned (just if the washable type) or replaced.
- The filter is the wrong type for your heating system and restricts airflow, so need to be changed.
- The filter is installed in reverse, a concern that can be examined by searching for the arrows on the filter frame that reveal appropriate installation direction with the flow of air.
- Duct are dripping, often producing obvious whistling noises, and it is time to have them sealed as advised by Energy Star.
9. The Heating System Makes Loud Noises.
A noisy furnace is most often the outcome of:.
- The heating system being a single-stage design 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 should 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 also trigger whistling.
10. The Heater Leaks when Air Conditioning is Running.
Water condenses on the evaporator coil in your heating system, and if it leakages onto the flooring, the issue is more than likely a stopped up drain pan or drain line.
11. The Air Coming from the Heater furnace companies calgary Smells Bad.
Foul odors from the heater are generally brought on by:.
- An extremely dirty filter that ought to be cleaned, if washable, or replaced.
- A dead rodent or bird somewhere in the system, normally a job for an expert heater service technician.
12. The CO Screen Going Off.
A carbon monoxide gas alarm must be taken seriously. Turn the heater off at the thermostat. Don't 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 Choose a Gas Heating System Repair Expert.
Some homeowners choose the most inexpensive repair work service in Calgary, and the results are typically poor. Low-cost services are either simply beginning, so do not have experience or they have a bad credibility, so should give low-cost rates to get tasks.
On the other hand, some services are overpriced. The best method to discover quality heater repair at a fair cost is to get price quotes from several of the top heater repair business in Calgary. Meet with each, learn more about their history and the experience of the service technicians that will do the work. Choose a knowledgeable heating system repair contractor with affordable rates.