A great gas furnace fixing guide helps you in determining what is wrong with the heating system based upon its signs. That's what we do here with clear, simple information.
Fixing Common Gas Furnace Issues
Every year, countless Calgary house owners ask, "What's wrong with my gas heater?" If you remain in that circumstance, this guide will arm you with info prior to you call a heating system company. Understanding is security versus being made the most of-- though many repair experts have sound ethics.
Note: This guide covers the most common problems, particularly those most property owners can easily consult no tools or basic tools such as screwdrivers and a multimeter.
1. The Heating System Will Not Start
If absolutely nothing occurs when the thermostat is set above the home's existing temperature level, the most likely causes are these:
- The furnace switch (located on or near the heating system, appears like a typical light switch) is turned off and merely requires to be turned on, though the heater may 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 a wiring short in the furnace
- The thermostat isn't set to "heat," which is simple to inspect and fix
- The thermostat isn't working, and this is sometimes brought on by a wire coming loose, so inspect the electrical wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and need to be replaced, an issue that can be identified using an electrical multimeter that shows if a circuit is total
- The filter is filthy and need to be changed or cleaned up, a concern that is particularly real on more recent heating systems that are geared up to shut down if the filter isn't allowing sufficient air circulation, a condition that can trigger serious mechanical failure
- The furnace's primary circuit board/control board is bad, a problem that can be diagnosed by an A/C professional is nothing else fixes the issue
2. Heater Blowing Cold Air
If the heater will not 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 comes on, furnace service near me then the heating system is getting power. The most likely issues then are:
- The gas is turned off, so examine the gas dick near the furnace to ensure it is parallel to the gas line
- The gas control valve isn't opening and need to be replaced
- The ignitor is stopping working and need to be replaced
- The draft motor isn't working or the fresh-air intake is obstructed, perhaps by snow or particles, and requires to be cleared
3. The Draft Motor Runs, Heater 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 begins and then the heating system closes down, the cause might be:
- The motor or the board that manages it has actually failed and need to be changed
- An obstructed air consumption or obstructed exhaust chimney (snow, debris and bird's nests are common causes) must be cleared
- One of the issues discussed above with gas, gas valve and ignitor should be resolved
4. The Draft Motor Will Not 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 troubleshooting draft motor problems and what is triggering them.
5. The Flame Begins, however the Heater Shuts Down
If the burner starts making heat but quickly shuts off without warming your house, the flame sensor isn't working. If the sensing unit has corrosion on it, sanding it might work, though changing it is a longer-lasting repair.
6. furnace companies in calgary The Blower Won't Turn Off
If the blower motor runs all the time, there are 3 common problems:
- The fan turn on the thermostat is set to "on" rather than "automobile".
- 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 must be changed.
- The thermostat also has contacts that manage power to the furnace, and they can be used, so the thermostat should be changed.
7. Why Does the Heater Keep Shutting Down?
If your heater burner lights but the heating system soon turns off, there are a couple of common problems that may cause this:.
- The heating system filter is unclean and must be cleaned or replaced.
- The flame sensor isn't working and must be changed.
- The thermostat is stopping working.
- While these are common, there are numerous other potential causes finest identified by a heating system service technician. This video gives extensive protection to the issue of heating system short-cycling.
8. The Heater Runs however Can't Keep your home Warm.
If your heating system is appropriately sized for your house, then it ought to keep your home warm even in extreme cold. If it runs continuously however isn't supplying sufficient heat, the likely causes are:.
- A filthy filter that need to be cleaned (only if the washable type) or replaced.
- The filter is the wrong type for your heater and limits air flow, so should be changed.
- The filter is set up backwards, a problem that can be checked by looking for the arrows on the filter frame that show correct installation instructions with the circulation of air.
- Air ducts 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 loud heating system is most often the result of:.
- The heater being a single-stage model 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 should be replaced.
- A leak in the heating system cabinet, sheet metal plenum or ductwork near the heating system that must be tightened up.
- A filthy filter, which can likewise cause whistling.
10. The Heating System Leaks when Air Conditioner is Running.
Water condenses on the evaporator coil in your heater, and if it leaks onto the floor, the problem is probably a clogged up drain pan or drain line.
11. The Air Coming from the Heating System Smells Bad.
Foul odors from the heating system are generally caused by:.
- A really filthy filter that need to be washed, if washable, or replaced.
- A dead rodent or bird somewhere in the system, generally a task for an expert heater service technician.
12. The CO Screen Going Off.
A carbon monoxide gas alarm should be taken seriously. Turn the heating system off at the thermostat. Do not go into the space where the furnace lies. Open doors and windows, and go outside. Call 911 from a cellular phone outside your house.
How to Pick a Gas Furnace Repair Work Professional.
Some homeowners select the least expensive repair service in Calgary, and the outcomes are typically bad. Cheap services are either simply getting going, so do not have experience or they have a bad credibility, so need to offer inexpensive prices to get jobs.
On the other hand, some services are overpriced. The very best way to find quality furnace repair at a fair rate is to get price quotes from numerous of the top furnace repair companies in Calgary. Meet each, discover their history and the experience of the specialists that will do the work. Pick a knowledgeable heating system repair work professional with affordable rates.