A good gas heater 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, uncomplicated details.
Repairing Common Gas Furnace Issues
Every year, thousands of Calgary homeowners ask, "What's wrong with my gas heating system?" If you remain in that circumstance, this guide will equip you with information before you call a furnace business. Understanding is security against being made the most of-- though most repair work specialists have sound principles.
Keep in mind: This guide covers the most common problems, especially those most property owners can quickly check with no tools or standard tools such as screwdrivers and a multimeter.
1. The Furnace Will Not Start
If nothing takes place when the thermostat is set above the house's present temperature, the most likely causes are these:
- The furnace switch (situated on or near the furnace, looks like a common light switch) is switched off and simply needs to be turned on, though the heater might have a brief delay prior to beginning
- The breaker is off, and if the circuit continues to journey after it is turned back on, there is likely furnace service near me a circuitry 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 circuitry connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and must be changed, an issue that can be identified using an electrical multimeter that reveals if a circuit is complete
- The filter is unclean and need to be changed or cleaned up, a concern that is specifically real on more recent heating systems that are equipped to close down if the filter isn't permitting appropriate air circulation, a condition that can cause severe mechanical failure
- The furnace's primary circuit board/control board is bad, a problem that can be detected by a HEATING AND COOLING service technician is nothing else resolves the problem
2. Heater Blowing Cold Air
If the heating system won't produce heat, you can inspect to see if it is getting power by moving the fan switch from the "Automobile" position to the "On" position. If the fan begins, then the heating system is getting power. The most likely problems then are:
- The gas is switched off, so check the gas dick near the furnace to make sure it is parallel to the gas line
- The gas control valve isn't opening and must be changed
- The ignitor is failing and need to be changed
- The draft motor isn't operating or the fresh-air consumption is obstructed, maybe by snow or debris, and requires to be cleared
3. The Draft Motor Runs, Furnace 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 closes down, the cause might be:
- The motor or the board that manages it has actually failed and should be changed
- An obstructed air consumption or blocked exhaust chimney (snow, debris and bird's nests are common causes) need to be cleared
- Among the concerns gone over above with gas, gas valve and ignitor should be addressed
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 help you in repairing draft motor concerns and what is triggering them.
5. The Flame Starts, however the Furnace Shuts Down
If the burner begins making heat but soon shuts down without warming your house, the flame sensing unit isn't working. If the sensor has deterioration on it, sanding it might work, though replacing it is a longer-lasting fix.
6. The Blower Will Not Shut Off
If the blower motor runs all the time, there are three typical concerns:
- The fan turn on the thermostat is set to "on" instead of "automobile".
- Relays in the control panel are stuck in the closed position, so the blower is getting a continuous supply of hvac company electrical energy, and the control board must be changed.
- The thermostat also has contacts that manage power to the furnace, and they can be worn, so the thermostat must be replaced.
7. Why Does the Heater Keep Turning Off?
If your heating system burner lights but the heating system quickly turns off, there are a few typical problems that may trigger this:.
- The heater filter is dirty and should be cleaned or changed.
- The flame sensor isn't working and need to be replaced.
- The thermostat is failing.
- While these are common, there are numerous other prospective causes finest diagnosed by a heater technician. This video provides in-depth coverage to the issue of furnace short-cycling.
8. The Furnace Runs however Can't Keep your home Warm.
If your heater is properly sized for your home, then it ought to keep your home warm even in extreme cold. If it runs constantly however isn't offering enough heat, the likely causes are:.
- An unclean filter that should be washed (only if the washable type) or replaced.
- The filter is the wrong type for your heater and limits airflow, so need to be changed.
- The filter is installed backwards, a problem that can be inspected by trying to find the arrows on the filter frame that reveal appropriate installation instructions with the circulation of air.
- Duct are dripping, in some cases producing telltale whistling sounds, and it is time to have them sealed as suggested by Energy Star.
9. The Furnace Makes Loud Noises.
A loud furnace is most often the outcome of:.
- The heater being a single-stage design that runs 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 should be changed.
- A leakage in the heating system cabinet, sheet metal plenum or ductwork near the furnace that must be tightened.
- A filthy filter, which can also trigger whistling.
10. The Heater Leaks when A/C is Running.
Water condenses on the evaporator coil in your heater, and if it leaks onto the flooring, the issue is probably a clogged drain pan or drain line.
11. The Air Coming from the Heating System Smells Bad.
Foul odors from the furnace are generally brought on by:.
- An extremely dirty filter that must be cleaned, if washable, or replaced.
- A dead rodent or bird somewhere in the system, normally a task for an expert heater service technician.
12. The CO Display Going Off.
A carbon monoxide alarm must be taken seriously. Turn the heating system off at the thermostat. Do not enter into the space where the heating system is located. Open doors and windows, and go outside. Call 911 from a cell phone outside your house.
How to Choose a Gas Heater Repair Professional.
Some house owners choose the most affordable repair service in Calgary, and the outcomes are generally bad. Inexpensive services are either just beginning, so do not have experience or they have a bad reputation, so must offer cheap pricing to get jobs.
On the other hand, some services are overpriced. The very best way to discover quality furnace repair at a reasonable rate is to get quotes from numerous of the leading heating system repair companies in Calgary. Meet with each, discover their history and the experience of the service technicians that will do the work. Select a skilled heating system repair contractor with affordable rates.