An excellent gas heater repairing guide assists you in identifying what is wrong with the furnace based upon its symptoms. That's what we do here with clear, uncomplicated information.
Troubleshooting Common Gas Heating System Issues
Every year, thousands of Calgary homeowners ask, "What's wrong with my gas furnace?" If you remain in that scenario, this guide will arm you with info before you call a furnace business. Understanding is protection versus being benefited from-- though the majority of repair work specialists have sound ethics.
Note: This guide covers the most common issues, particularly those most house owners can easily talk to no tools or standard tools such as screwdrivers and a multimeter.
1. The Heating System Won't Start
If nothing happens when the thermostat is set above the house's present temperature, the most likely causes are these:
- The heating system switch (located on or near the heater, looks like a common light switch) is shut off and merely requires to be switched on, though the heater might have a short hold-up before beginning
- The circuit breaker is off, and if the circuit continues to journey after it is turned back on, there is likely a circuitry brief in the heater
- The thermostat isn't set to "heat," which is easy to check and treat
- The thermostat isn't working, and this is in some cases caused by a wire coming loose, so check the circuitry connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and should be changed, a concern that can be detected utilizing an electrical multimeter that shows if a circuit is complete
- The filter is filthy and must be replaced or cleaned, a concern that is especially real on newer heaters that are geared up to close down if the filter isn't permitting appropriate air circulation, a condition that can trigger severe mechanical failure
- The furnace's primary circuit board/control board is bad, a concern that can be diagnosed by a HVAC technician is nothing else solves the problem
2. Heating System Blowing Cold Air
If the heater won't 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 comes on, then the heating system is getting power. The most likely concerns then are:
- The gas is turned off, so check the gas cock near the heating system to make certain it is parallel to the gas line
- The gas control valve isn't opening and need to be changed
- The ignitor is stopping working and must be changed
- furnace company calgary The draft motor isn't working or the fresh-air intake is blocked, possibly by snow or particles, and needs to be cleared
3. The Draft Motor Runs, Heating System 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 begins and then the heating system shuts down, the cause might be:
- The motor or the board that manages it has stopped working and must be replaced
- An obstructed air intake or blocked exhaust chimney (snow, particles and bird's nests prevail causes) should be cleared
- Among the concerns gone over above with gas, gas valve and ignitor need to be resolved
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 concerns and what is causing them.
5. The Flame Starts, but the furnace company near me Heating system Shuts Down
If the burner begins making heat but soon shuts off without warming your house, the flame sensing unit isn't working. If the sensor has rust on it, sanding it may work, though changing it is a longer-lasting repair.
6. The Blower Won't Turn Off
If the blower motor runs all the time, there are 3 common issues:
- 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 continuous supply of electrical power, and the control panel must be replaced.
- The thermostat likewise has contacts that manage power to the furnace, and they can be used, so the thermostat needs to be changed.
7. Why Does the Heater Keep Shutting Off?
If your heater burner lights however the heating system soon shuts down, there are a few common issues that may trigger this:.
- The furnace filter is filthy and need to be cleaned or changed.
- The flame sensing unit isn't working and ought to be changed.
- The thermostat is stopping working.
- While these are common, there are several other potential causes best identified by a furnace technician. This video provides in-depth protection to the issue of furnace short-cycling.
8. The Heater Runs however Can't Keep your house Warm.
If your heater is effectively sized for your house, then it needs to keep your home warm even in extreme cold. If it runs constantly however isn't providing sufficient heat, the most likely causes are:.
- An unclean filter that should be washed (just if the washable type) or replaced.
- The filter is the wrong type for your furnace and limits air flow, so should be changed.
- The filter is installed backwards, a problem that can be examined by trying to find the arrows on the filter frame that reveal appropriate setup instructions with the flow of air.
- Duct are dripping, in some cases producing obvious whistling noises, and it is time to have them sealed as suggested by Energy Star.
9. The Furnace Makes Loud Noises.
A noisy heater is usually the 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 replaced.
- A leakage in the furnace cabinet, sheet metal plenum or ductwork near the heater that need to be tightened.
- An unclean filter, which can also trigger whistling.
10. The Heating System Leaks when Air Conditioning is Running.
Water condenses on the evaporator coil in your heating system, and if it leakages onto the floor, the problem is most likely a blocked drain pan or drain line.
11. The Air Coming from the Heating System Smells Bad.
Foul odors from the furnace are normally caused by:.
- A really filthy filter that need to be cleaned, if washable, or replaced.
- A dead rodent or bird someplace in the system, normally a task for an expert furnace professional.
12. The CO Monitor Going Off.
A carbon monoxide gas alarm must be taken seriously. Turn the heating system off at the thermostat. Do not go into the room where the heating system lies. Open doors and windows, and go outside. Call 911 from a cell phone outside your home.
How to Choose a Gas Furnace Repair Work Specialist.
Some house owners pick the most inexpensive repair service in Calgary, and the outcomes are typically poor. Low-cost services are either simply getting started, so lack experience or they have a bad track record, so should give cheap prices to get tasks.
On the other hand, some services are overpriced. The best method to find quality heater repair work at a reasonable cost is to get quotes from numerous of the top heating system repair work companies in Calgary. Consult with each, discover their history and the experience of the technicians that will do the work. Select an experienced heating system repair work contractor with sensible rates.