A great gas heating system fixing guide assists you in determining what is wrong with the heater based on its symptoms. That's what we do here with clear, uncomplicated info.
Fixing Common Gas Heating System Issues
Every year, thousands of Calgary house owners ask, "What's wrong with my gas heating system?" If you're in that scenario, this guide will arm you with details prior to you call a heating system business. Understanding is security against being taken advantage of-- though many repair specialists have sound ethics.
Keep in mind: This guide covers the most common problems, particularly those most house owners calgary furnace repair can quickly consult no tools or standard 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 present temperature, the most likely causes are these:
- The furnace switch (located on or near the heating system, appears like a typical light switch) is shut off and merely needs to be switched on, though the furnace may have a brief hold-up prior to starting
- The breaker is off, and if the circuit continues to journey after it is turned back on, there is likely a circuitry short in the furnace
- The thermostat isn't set to "heat," which is easy to inspect and treat
- The thermostat isn't working, and this is often brought on by a wire coming loose, so examine the wiring connections
- The thermostat hvac company calgary requires fresh batteries, if battery-powered, or it is bad and need to be changed, a concern that can be diagnosed using an electrical multimeter that reveals if a circuit is complete
- The filter is dirty and need to be changed or cleaned, a concern that is particularly true on newer heating systems that are equipped to close down if the filter isn't permitting appropriate air circulation, a condition that can trigger serious mechanical failure
- The heater's primary circuit board/control board is bad, an issue that can be detected by a HEATING AND COOLING technician is absolutely nothing else fixes the concern
2. Heating System 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 problems then are:
- The gas is turned off, so check the gas dick near the heating system to ensure it is parallel to the gas line
- The gas control valve isn't opening and should be changed
- The ignitor is failing and should be changed
- The draft motor isn't operating or the fresh-air consumption is blocked, maybe by snow or particles, and requires 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 heating system and out the exhaust stack. If it begins and after that the heater closes down, the cause might be:
- The motor or the board that controls it has failed and need to be replaced
- A blocked air consumption or blocked exhaust chimney (snow, particles and bird's nests are common causes) should be cleared
- Among the problems discussed above with gas, gas valve and ignitor must be attended to
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 fixing draft motor concerns and what is triggering them.
5. The Flame Starts, however the Heating system Shuts Down
If the burner starts making heat but soon shuts off without warming your home, the flame sensing unit isn't working. If the sensor has rust on it, sanding it might work, though replacing it is a longer-lasting fix.
6. The Blower Won't Shut Down
If the blower motor runs all the time, there are 3 common concerns:
- The fan turn on the thermostat is set to "on" rather than "auto".
- Relays in the control board are stuck in the closed position, so the blower is getting a constant supply of electrical power, and the control panel must be changed.
- The thermostat also has contacts that control power to the furnace, and they can be worn, so the thermostat needs to be replaced.
7. Why Does the Furnace Keep Shutting Down?
If your heating system burner lights but the furnace soon shuts off, there are a few common issues that might cause this:.
- The heater filter is unclean and ought to be cleaned or replaced.
- The flame sensor isn't working and ought to be replaced.
- The thermostat is stopping working.
- While these prevail, there are a number of other prospective causes finest diagnosed by a furnace service technician. This video offers extensive coverage to the issue of furnace short-cycling.
8. The Heater Runs however Can't Keep your home Warm.
If your heating system is effectively sized for your home, then it must keep your home warm even in severe cold. If it runs continuously however isn't supplying enough heat, the likely causes are:.
- A dirty filter that must be washed (only if the washable type) or replaced.
- The filter is the wrong type for your heating system and limits airflow, so should be changed.
- The filter is installed backwards, an issue that can be inspected by searching for the arrows on the filter frame that reveal proper installation direction with the flow of air.
- Duct are dripping, in some cases producing obvious whistling sounds, and it is time to have them sealed as advised by Energy Star.
9. The Furnace Makes Loud Noises.
A noisy furnace is frequently the outcome of:.
- The heater being a single-stage model that runs 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 heater that should be tightened up.
- A filthy filter, which can likewise trigger whistling.
10. The Furnace Leaks when A/C 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 Heater Smells Bad.
Foul odors from the furnace are normally triggered by:.
- An extremely dirty filter that ought to be washed, if washable, or replaced.
- A dead rodent or bird somewhere in the system, typically a job for a professional furnace professional.
12. The CO Monitor Going Off.
A carbon monoxide gas alarm ought to be taken seriously. Turn the heating system off at the thermostat. Don't go into the space where the heating system is located. Open doors and windows, and go outside. Call 911 from a cell phone outside your home.
How to Select a Gas Furnace Repair Expert.
Some house owners choose the cheapest repair work service in Calgary, and the results are usually bad. Cheap services are either just beginning, so lack experience or they have a bad credibility, so must give cheap pricing to get jobs.
On the other hand, some services are overpriced. The best method to find quality furnace repair work at a fair rate is to get price quotes from several of the leading heating system repair work companies in Calgary. Consult with each, find out about their history and the experience of the professionals that will do the work. Choose a skilled furnace repair professional with reasonable rates.