An excellent gas heater repairing guide helps you in determining what is wrong with the heating system based on its symptoms. That's what we do here with clear, uncomplicated information.
Fixing Common Gas Heater 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 arm you with info before you call a furnace company. Understanding is protection against being taken advantage of-- though most repair experts have sound principles.
Keep in mind: This guide covers the most typical issues, specifically those most house owners can easily consult no tools or basic tools such as screwdrivers and a multimeter.
1. The Heating System Won't Start
If nothing occurs when the thermostat is set above the home's present temperature, the most likely causes are these:
- The heating system switch (situated on or near the heater, appears like a typical light switch) is switched off and merely requires to be turned on, though the heating system may have a brief hold-up prior to starting
- The circuit 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 examine and remedy
- The thermostat isn't working, and this is in some cases caused 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 replaced, a problem that can be detected using an electrical multimeter that shows if a circuit is total
- The filter is dirty and must be replaced or cleaned up, a concern that is particularly true on more recent furnaces that are equipped to close down if the filter isn't enabling sufficient air flow, a condition that can trigger major mechanical failure
- The heating system's primary circuit board/control board is bad, a problem that can be diagnosed by an A/C professional is nothing else resolves the problem
2. Heater Blowing Cold Air
If the furnace won't produce heat, you can examine to see if it is getting power by moving the fan switch from the "Auto" position to the "On" position. If the fan begins, then the heating system is getting power. The most likely concerns then are:
- The gas is turned off, so check the gas dick near the heating system to make certain it is parallel to the gas line
- The gas control valve isn't opening and should be changed
- The ignitor is failing and need to be replaced
- The draft motor isn't working or the fresh-air consumption is obstructed, maybe by snow or particles, and requires to be cleared
3. The Draft Motor Runs, Furnace Won't 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 starts and then the heater closes down, the cause might be:
- The motor or the board that controls it has failed and should be changed
- A blocked air consumption or blocked exhaust chimney (snow, debris and bird's nests prevail causes) need to be cleared
- Among the problems discussed above with gas, gas valve and ignitor must be addressed
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 troubleshooting draft motor issues and what is causing them.
5. The Flame Begins, but the Heater Shuts Down
If the burner starts making heat but quickly shuts down without warming your house, the flame sensing unit isn't working. If the sensing unit has corrosion on it, sanding it might work, though replacing it is a longer-lasting repair.
6. The Blower Won't Shut Off
If the blower motor runs all the time, there are three typical concerns:
- The fan switch on the thermostat is set to "on" instead of "auto".
- Relays in the control panel are stuck in the closed position, so the blower is getting a consistent supply of electrical energy, and the control panel need to be changed.
- The thermostat also has contacts that control power to the heating system, and they can be used, so the thermostat should be replaced.
7. Why Does the Furnace Keep Shutting Off?
If your heating system burner lights but the furnace quickly turns off, there are a few typical issues that may trigger this:.
- The heater filter is filthy and should be cleaned or changed.
- The flame sensor isn't working and must be changed.
- ductless heating and cooling The thermostat is failing.
- While these prevail, there are a number of other potential causes best diagnosed by a heater technician. This video provides extensive coverage to the issue of heating system short-cycling.
8. The Heater Runs but Can't Keep your house Warm.
If your heating system 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:.
- A dirty filter that should be cleaned (just if the washable type) or replaced.
- The filter is the incorrect type for your heater and limits airflow, so must be replaced.
- The filter is installed in reverse, an issue that can be checked by trying to find the arrows on the filter frame that show correct setup instructions with the flow of air.
- Air ducts are leaking, often producing obvious whistling sounds, and it is time to have them sealed as advised by Energy Star.
9. The Heating System Makes Loud Noises.
A noisy heating system is frequently the result of:.
- The heater being a single-stage model 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 should be changed.
- A leakage in the heater cabinet, sheet metal plenum or ductwork near the heating system that must be tightened.
- A filthy filter, which can also trigger whistling.
10. The Heater Leaks when Air Conditioner is Running.
Water condenses on the evaporator coil in your heater, and if it leakages onto the floor, the problem is probably a stopped up drain pan or drain line.
11. The Air Coming from the Heater Smells Bad.
Foul odors from furnace company calgary the furnace are typically brought on by:.
- A very filthy filter that should be cleaned, if washable, or changed.
- A dead rodent or bird somewhere in the system, normally a job for a professional heating system specialist.
12. The CO Screen Going Off.
A carbon monoxide alarm ought to be taken seriously. Turn the heater off at the thermostat. Don't go into the space where the furnace lies. Open doors and windows, and go outside. Call 911 from a cellular phone outside your home.
How to Pick a Gas Heater Repair Work Professional.
Some homeowners choose the most inexpensive repair service in Calgary, and the results are normally poor. Inexpensive services are either simply starting, so do not have experience or they have a bad reputation, so should give low-cost rates to get jobs.
On the other hand, some services are overpriced. The best way to find quality heating system repair work at a reasonable cost is to get estimates from several of the top heating system repair business in Calgary. Meet each, find out about their history and the experience of the professionals that will do the work. Choose a knowledgeable furnace repair specialist with sensible rates.