An excellent gas heating system repairing guide helps you in determining what is wrong with the furnace based upon its symptoms. That's what we do here with clear, simple information.
Repairing Common Gas Heater Issues
Every year, countless Calgary property owners ask, "What's wrong with my gas heater?" If you're in that situation, this guide will equip you with info before you call a heating system business. Knowledge is security versus being benefited from-- though a lot of repair work professionals have sound principles.
Keep in mind: This guide covers the most typical issues, particularly those most house owners can easily talk to no tools or standard tools such as screwdrivers and a multimeter.
1. The Heater Will Not Start
If absolutely nothing happens when the thermostat is set above the house's current temperature level, the most likely causes are these:
- The furnace switch (located on or near the furnace, looks like a common light switch) is switched off and simply requires to be switched on, though the heating system may have a brief delay before beginning
- The breaker is off, and if the circuit continues to trip 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 examine and remedy
- The thermostat isn't working, and this is often brought on by a wire coming loose, so examine the electrical wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and should be changed, a problem that can be diagnosed using an electrical multimeter that reveals if a circuit is total
- The filter is filthy and should be changed or cleaned, an issue that is particularly real on newer furnaces that are geared up to close down if the filter isn't allowing adequate air circulation, a condition that can cause serious mechanical failure
- The heater's main circuit board/control board is bad, an issue that can be identified by a HEATING AND COOLING professional is nothing else resolves the problem
2. Furnace Blowing Cold Air
If the furnace won't produce heat, you can inspect 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 most likely concerns then are:
- The gas is shut off, so inspect the gas dick near the heater to make sure it is parallel to the gas line
- The gas control valve isn't opening and should be replaced
- The ignitor is failing and need to be changed
- The draft motor isn't functioning or the fresh-air consumption is blocked, perhaps by snow or particles, and requires to be cleared
3. The Draft Motor Runs, Heating System Will Not Start
The draft motor is also called the inducer motor. It pulls hot combustion gases through the furnace and out the exhaust stack. If it starts and after that the heater shuts down, the cause might be:
- The motor or the board that manages it has actually failed and need to be changed
- A blocked air intake or blocked exhaust chimney (snow, debris and bird's nests are common causes) should be cleared
- One of the problems gone over above with gas, gas valve and ignitor need to be attended to
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 issues and what is triggering them.
5. The Flame Begins, but the Heating system Shuts Down
If the burner begins making heat but quickly shuts down without warming your house, the flame sensing unit isn't working. If the sensing unit has rust on it, sanding it may work, though replacing it is a longer-lasting fix.
6. The Blower Won't Turn Off
If the blower motor runs all the time, there are 3 typical problems:
- The fan turn on the thermostat is set to "on" rather than "vehicle".
- Relays in the control board are stuck in the closed position, so the blower is getting a constant supply of electrical power, and the control panel need to 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 Off?
If your heating system burner lights however the heater soon turns off, there are a couple of typical concerns that may trigger this:.
- The heater filter is filthy and ought to be cleaned up or replaced.
- The flame sensor isn't working and should be replaced.
- The thermostat is failing.
- While these are common, there are numerous other potential causes finest detected by a furnace technician. This video provides extensive coverage to the problem of heating system short-cycling.
8. The Furnace Runs however Can't Keep the House Warm.
If your furnace is properly sized for your house, then it should keep your house warm even in extreme cold. If it runs constantly however isn't providing sufficient heat, the most likely causes are:.
- A dirty filter that should be washed (just if the washable type) or replaced.
- The filter is the wrong type for your heater and limits air flow, furnace service calgary so ought to be replaced.
- The filter is installed backwards, a problem that can be checked by searching for the arrows on the filter frame that show correct setup direction with the circulation of air.
- Duct are leaking, often producing telltale whistling noises, and it is time to have them sealed as advised by Energy Star.
9. The Heating System Makes Loud Noises.
A loud furnace is most often the outcome of:.
- The heater being a single-stage design that works 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 must be changed.
- A leakage in the heater cabinet, sheet metal plenum or ductwork near the heating system that should be tightened up.
- An unclean filter, which can likewise trigger whistling.
10. The Heating System Leaks when Air Conditioner is Running.
Water condenses on the evaporator coil in your heating system, and if it leaks onto the floor, the concern is probably a blocked drain pan or drain line.
11. The Air Coming from the Furnace Smells Bad.
Foul odors from the heating system are typically triggered by:.
- A really dirty filter that ought to be washed, if washable, or changed.
- A dead rodent or bird someplace in the system, usually a job for a professional furnace service technician.
12. The CO Screen Going Off.
A carbon monoxide alarm ought to be taken seriously. Turn the furnace off at the thermostat. Do not enter into the room where the heater is located. Open doors and windows, and go outside. Call 911 from a cellular phone outside your home.
How to Pick a Gas Furnace Repair Specialist.
Some homeowners choose the most affordable furnace replacement repair work service in Calgary, and the outcomes are typically poor. Inexpensive services are either simply starting, so do not have experience or they have a bad reputation, so need to provide low-cost prices to get tasks.
On the other hand, some services are overpriced. The best way to discover quality heater repair work at a reasonable rate is to get quotes from several of the leading furnace repair work business in Calgary. Meet with each, find out about their history and the experience of the technicians that will do the work. Pick a skilled furnace repair work professional with sensible rates.