A great gas furnace fixing guide helps you in identifying what is wrong with the heating system based on its signs. That's what we do here with clear, straightforward details.
Troubleshooting Common Gas Furnace Issues
Every year, thousands of Calgary property owners ask, "What's wrong with my gas heating system?" If you're in that scenario, this guide will equip you with information prior to you call a heating system company. Knowledge is protection versus being made the most of-- though a lot of repair work experts have sound ethics.
Keep in mind: This guide covers the most common problems, specifically those most property owners can quickly contact no tools or fundamental tools such as screwdrivers and a multimeter.
1. The Heater Won't Start
If nothing happens when the thermostat is set above the house's existing temperature level, the most likely causes are these:
- The furnace switch (located on or near the furnace, appears like a common light switch) is turned off and just needs to be switched on, though the heater might have a brief hold-up before beginning
- The breaker is off, and if the circuit continues to journey after it is turned back on, there is likely an electrical wiring brief in the heating system
- The thermostat isn't set to "heat," which is easy to inspect and remedy
- The thermostat isn't working, and this is sometimes caused by a wire coming loose, so check the electrical wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and need to be changed, an issue that can be diagnosed using an electrical multimeter that shows if a circuit is total
- The filter is dirty and should be replaced or cleaned up, a concern that is especially real on more recent heaters that are geared up to close down if the filter isn't allowing sufficient air flow, a condition that can trigger major mechanical failure
- The heater's main circuit board/control board is bad, a problem that can be identified by an A/C specialist is nothing else resolves the concern
2. Heating System Blowing Cold Air
If the heating system 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 problems then are:
- The gas is shut off, so inspect the gas cock 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 stopping working and must be replaced
- The draft motor isn't functioning or the fresh-air intake is blocked, maybe by snow or debris, and needs to be cleared
3. The Draft Motor Runs, Heating System 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 begins and after that the heating system shuts down, the cause might be:
- The motor or the board that manages it has stopped working and need to be changed
- A blocked air consumption or blocked exhaust chimney (snow, particles and bird's nests prevail causes) should be cleared
- One of the problems gone over above with gas, gas valve and ignitor must be dealt with
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 repairing draft motor issues and what is triggering them.
5. The Flame Starts, but the Heating system Shuts Down
If the burner begins making heat but quickly shuts down without warming your house, the flame sensor isn't working. If the sensing unit has deterioration on it, sanding it might work, though replacing it is a longer-lasting repair.
6. The Blower Won't Shut Down
If the blower motor runs all the time, there are 3 typical problems:
- The fan turn on the thermostat is set to "on" instead of "car".
- Relays in the control board are stuck in the closed position, so the blower is getting a consistent supply of electrical energy, and the control panel need to be replaced.
- The thermostat likewise has contacts that manage power to the heating system, and they can be used, so the thermostat needs to be replaced.
7. Why Does the Heater Keep Shutting Off?
If your furnace burner lights but the heater soon turns off, there are a few common concerns that might cause this:.
- The heater filter is filthy and should be cleaned or replaced.
- The flame sensor isn't working and should be changed.
- The thermostat is stopping working.
- While these are common, there are several other prospective causes best detected by a heater professional. This video gives thorough coverage to the problem of furnace short-cycling.
8. The Heater Runs however Can't Keep your house Warm.
If your heating system is appropriately sized for your home, then it emergency furnace repair calgary should keep your home warm even in severe cold. If it runs continuously however isn't supplying enough heat, the most likely causes are:.
- A dirty filter that need to be washed (only if the washable type) or replaced.
- The filter is the incorrect type for your furnace and restricts air flow, so ought to be changed.
- The filter is installed in reverse, a problem that can be inspected by trying to find the arrows on the filter frame that reveal appropriate installation direction with the circulation of air.
- Duct are leaking, often producing obvious whistling noises, and it is time to have them sealed as recommended by Energy Star.
9. The Heating System Makes Loud Noises.
A noisy furnace is usually the outcome of:.
- The heater being a single-stage model that operates 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 replaced.
- A leakage in the heating system cabinet, sheet metal plenum or ductwork near the furnace that should be tightened up.
- An unclean filter, which can likewise cause whistling.
10. The Heating System Leaks when A/C is Running.
Water condenses on the evaporator coil in your heating system, and if it leakages onto the floor, the issue is probably a clogged drain pan or drain line.
11. The Air Coming from the Heater Smells Bad.
Foul odors from the heating system are normally caused by:.
- An extremely dirty filter that ought to be cleaned, if washable, or changed.
- A dead rodent or bird someplace in the system, generally a task for a professional heating system technician.
12. The CO Screen Going Off.
A carbon monoxide alarm ought to be taken seriously. Turn the heater off at the thermostat. Do not go into the room where the heater is located. Open doors and windows, and go outside. Call 911 from a cell phone outside your house.
How to Select a Gas Heating System Repair Work Specialist.
Some homeowners select the most affordable repair work service in Calgary, and the results are usually poor. Inexpensive services are either just getting going, so lack experience or they have a bad reputation, so need to give low-cost pricing to get jobs.
On the other hand, some services are overpriced. The best furnaces calgary method to discover quality heating system repair work at a fair price is to get estimates from numerous of the top furnace repair business in Calgary. Consult with each, learn more about their history and the experience of the technicians that will do the work. Pick a skilled heating system repair specialist with reasonable rates.