A great gas furnace repairing guide helps you in identifying what is wrong with the furnace based upon its signs. That's what we do here with clear, straightforward info.
Troubleshooting Common Gas Heater Issues
Every year, countless Calgary house owners ask, "What's wrong with my gas heater?" If you remain in that situation, this guide will equip you with information prior to you call a heating system business. Knowledge is protection against being benefited from-- though many repair work professionals have sound principles.
Note: This guide covers the most common issues, specifically those most house owners can quickly talk to no tools or standard tools such as screwdrivers and a multimeter.
1. The Heater Won't Start
If absolutely nothing occurs when the thermostat is set above the home's present temperature, the most likely causes are these:
- The heater switch (located on or near the heating system, appears like a typical light switch) is shut off and simply needs to be switched on, though the furnace may have a brief hold-up before beginning
- The breaker is off, and if the circuit continues to trip after it is turned back on, there is likely a circuitry brief in the heater
- The thermostat isn't set to "heat," which is simple to check and remedy
- The thermostat isn't working, and this is sometimes triggered by a wire coming loose, so check the wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and must be changed, an issue that can be identified utilizing an electrical multimeter that shows if a circuit is total
- The filter is filthy and need to be replaced or cleaned, an issue that is especially real on more recent heaters that are equipped to close down if the filter isn't allowing adequate air circulation, a condition that can trigger severe mechanical failure
- The heating system's main circuit board/control board is bad, a problem that can be identified by a HEATING AND COOLING professional is nothing else solves the problem
2. Furnace Blowing Cold Air
If the furnace won't produce heat, you can inspect to see if furnaces calgary it is getting power by moving the fan switch from the "Vehicle" position to the "On" position. If the fan begins, then the heater is getting power. The likely concerns then are:
- The gas is shut off, so examine the gas dick near the heating system to ensure it is parallel to the gas line
- The gas control valve isn't opening and should be changed
- The ignitor is stopping working and should be replaced
- The draft motor isn't working or the fresh-air intake is obstructed, maybe by snow or debris, 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 heater and out the exhaust stack. If it starts and then the heating system closes down, the cause might be:
- The motor or the board that manages it has failed and should be replaced
- An obstructed air intake or blocked exhaust chimney (snow, particles and bird's nests are common causes) should be cleared
- Among the concerns gone over above with gas, gas valve and ignitor need to be resolved
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 concerns and what is triggering them.
5. The Flame Starts, but the Furnace Shuts Down
If the burner begins making heat but quickly turns off without warming your home, the flame sensing unit isn't working. If the sensor has rust on it, sanding it might work, though changing it is a longer-lasting fix.
6. The Blower Will Not Turn Off
If the blower motor runs all the time, there are 3 typical issues:
- furnace service near me The fan switch on the thermostat is set to "on" rather than "car".
- Relays in the control board are stuck in the closed position, so the blower is getting a constant supply of electrical energy, and the control panel should be changed.
- The thermostat also has contacts that control power to the heater, and they can be worn, so the thermostat must be replaced.
7. Why Does the Heater Keep Shutting Down?
If your furnace burner lights but the heater soon shuts down, there are a few typical problems that may trigger this:.
- The furnace filter is filthy and ought to be cleaned or replaced.
- The flame sensing unit isn't working and should be replaced.
- The thermostat is failing.
- While these prevail, there are numerous other possible causes finest diagnosed by a furnace professional. This video gives extensive coverage to the problem of heater short-cycling.
8. The Heating System Runs however Can't Keep your house Warm.
If your heating system is correctly sized for your house, then it must keep your house warm even in extreme cold. If it runs continuously however isn't supplying adequate heat, the most likely causes are:.
- An unclean filter that must be washed (only if the washable type) or changed.
- The filter is the wrong type for your heater and restricts air flow, so need to be replaced.
- The filter is installed in reverse, an issue that can be examined by looking for the arrows on the filter frame that show appropriate installation instructions with the circulation of air.
- Air ducts are dripping, in some cases producing obvious whistling noises, and it is time to have them sealed as suggested by Energy Star.
9. The Heating System Makes Loud Noises.
A noisy furnace is most often the result of:.
- The furnace 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 need to be replaced.
- A leak in the furnace cabinet, sheet metal plenum or ductwork near the furnace that must be tightened up.
- An unclean filter, which can also cause whistling.
10. The Furnace 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 clogged drain pan or drain line.
11. The Air Coming from the Heater Smells Bad.
Foul odors from the heater are generally triggered by:.
- A very unclean filter that must be washed, if washable, or replaced.
- A dead rodent or bird someplace in the system, normally a task for a professional heater professional.
12. The CO Screen Going Off.
A carbon monoxide alarm must be taken seriously. Turn the furnace off at the thermostat. Don't enter into the room where the heating system lies. Open doors and windows, and go outside. Call 911 from a mobile phone outside your house.
How to Pick a Gas Heater Repair Work Expert.
Some property owners pick the least expensive repair work service in Calgary, and the outcomes are typically bad. Cheap services are either just starting, so do not have experience or they have a bad track record, so must offer cheap pricing to get tasks.
On the other hand, some services are overpriced. The best method to discover quality heating system repair work at a fair cost is to get estimates from several of the top furnace repair companies in Calgary. Meet with each, learn more about their history and the experience of the service technicians that will do the work. Choose an experienced heater repair contractor with reasonable rates.