An excellent gas heating system fixing guide helps you in identifying what is wrong with the heating system based on its symptoms. That's what we do here with clear, uncomplicated information.
Fixing Common Gas Heating System Problems
Every year, countless Calgary house owners ask, "What's wrong with my gas furnace?" If you remain in that situation, this guide will arm you with info prior to you call a heater business. Understanding is protection versus being made the most of-- though a lot of repair work specialists have sound principles.
Keep in mind: This guide covers the most typical issues, especially those most homeowners can quickly consult no tools or basic tools such as screwdrivers and a multimeter.
1. The Furnace Won't Start
If nothing takes place when the thermostat is set above the home's current temperature level, the most likely causes are these:
- The heater switch (situated on or near the heating system, looks like heating and cooling system a common light switch) is shut off and merely requires to be switched on, though the furnace may have a brief delay prior to beginning
- The breaker is off, and if the circuit continues to trip after it is turned back on, there is likely a circuitry short in the heating system
- The thermostat isn't set to "heat," which is simple to inspect and correct
- The thermostat isn't working, and this is often 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 replaced, an issue that can be identified utilizing an electrical multimeter that reveals if a 24 hour furnace repair calgary circuit is complete
- The filter is dirty and need to be changed or cleaned up, a problem that is especially real on newer furnaces that are equipped to shut down if the filter isn't permitting sufficient air circulation, a condition that can trigger serious mechanical failure
- The heater's main circuit board/control board is bad, a problem that can be detected by a HVAC technician is absolutely nothing else fixes the issue
2. Heating System Blowing Cold Air
If the heating system will not produce heat, you can inspect to see if it is getting power by moving the fan switch from the "Auto" position to the "On" position. If the fan comes on, then the heater is getting power. The most likely concerns then are:
- The gas is shut off, so inspect the gas cock near the furnace to ensure it is parallel to the gas line
- The gas control valve isn't opening and must be replaced
- The ignitor is stopping working and should be changed
- The draft motor isn't operating or the fresh-air intake is obstructed, possibly by snow or particles, and needs to be cleared
3. The Draft Motor Runs, Furnace 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 after that the furnace shuts down, the cause might be:
- The motor or the board that manages it has stopped working and must be changed
- A blocked air consumption or obstructed exhaust chimney (snow, particles and bird's nests prevail causes) must be cleared
- One of the problems gone over above with gas, gas valve and ignitor should be dealt with
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 concerns and what is triggering them.
5. The Flame Begins, however the Heater Shuts Down
If the burner starts making heat however quickly turns off without warming your home, the flame sensing unit isn't working. If the sensing unit has corrosion on it, sanding it might work, though changing it is a longer-lasting repair.
6. The Blower Will Not Shut Off
If the blower motor runs all the time, there are 3 common problems:
- The fan switch on the thermostat is set to "on" instead of "automobile".
- Relays in the control board are stuck in the closed position, so the blower is getting a consistent supply of electrical power, and the control board must be changed.
- The thermostat also has contacts that control power to the furnace, and they can be worn, so the thermostat should be changed.
7. Why Does the Furnace Keep Shutting Down?
If your heating system burner lights but the furnace soon shuts off, there are a couple of typical problems that may cause this:.
- The furnace filter is unclean and must be cleaned or changed.
- The flame sensing unit isn't working and must be replaced.
- The thermostat is failing.
- While these are common, there are a number of other possible causes finest detected by a heater service technician. This video offers thorough protection to the problem of furnace short-cycling.
8. The Heating System Runs however Can't Keep the House Warm.
If your heater is appropriately sized for your home, then it must keep your home warm even in severe cold. If it runs continuously but isn't providing enough heat, the likely causes are:.
- A dirty filter that should be washed (only if the washable type) or changed.
- The filter is the wrong type for your heater and limits air flow, so should be replaced.
- The filter is installed in reverse, an issue that can be inspected by looking for the arrows on the filter frame that show correct installation direction with the circulation of air.
- Air ducts are dripping, in some cases producing telltale whistling noises, and it is time to have them sealed as advised by Energy Star.
9. The Furnace Makes Loud Noises.
A noisy heating system is usually the outcome of:.
- The heating system being a single-stage design that operates on high capacity 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 leakage in the heater cabinet, sheet metal plenum or ductwork near the furnace that need to be tightened up.
- An unclean filter, which can also cause whistling.
10. The Heating System Leaks when Air Conditioning is Running.
Water condenses on the evaporator coil in your heater, and if it leakages onto the flooring, the issue is more than likely a clogged drain pan or drain line.
11. The Air Coming from the Heating System Smells Bad.
Foul odors from the heater are generally triggered by:.
- An extremely dirty filter that must be cleaned, 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 Monitor Going Off.
A carbon monoxide gas alarm need to be taken seriously. Turn the heater off at the thermostat. Do not go into the space where the heating system lies. Open doors and windows, and go outside. Call 911 from a cell phone outside your house.
How to Choose a Gas Heating System Repair Specialist.
Some house owners choose the cheapest repair service in Calgary, and the results are normally poor. Cheap services are either just getting going, so lack experience or they have a bad reputation, so should provide cheap rates to get jobs.
On the other hand, some services are overpriced. The very best method to discover quality furnace repair work at a fair price is to get price quotes from numerous of the top furnace repair business in Calgary. Meet with each, learn about their history and the experience of the service technicians that will do the work. Select a skilled heating system repair professional with sensible rates.