An excellent gas heating system fixing guide assists you in determining what is wrong with the heater based upon 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 remain in that circumstance, this guide will equip you with details prior to you call a furnace business. Understanding is protection versus being taken advantage of-- though many repair specialists have sound ethics.
Keep in mind: This guide covers the most common problems, particularly those most homeowners can quickly talk to no tools or basic tools such as screwdrivers and a multimeter.
1. The Furnace 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 (situated on or near the furnace, appears like a typical light switch) is shut off and simply requires to be turned on, though the heater may have a brief hold-up before beginning
- The circuit breaker is off, and if the circuit continues to journey after it is turned back on, there is likely a circuitry short in the heater
- The thermostat isn't set to "heat," which is easy to examine and correct
- The thermostat isn't working, and this is in some cases brought on by a wire coming loose, so check the electrical wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and must be replaced, a problem that can be identified using an electrical multimeter that shows if a circuit is total
- The filter is filthy and must be replaced or cleaned, an issue that is especially true on more recent heating systems that are equipped to close down if the filter isn't permitting appropriate air circulation, a condition that can trigger severe mechanical failure
- The heating system's main circuit board/control board is bad, a concern that can be diagnosed by a HVAC technician is absolutely nothing else fixes the concern
2. Heater Blowing Cold Air
If the heating system will not produce heat, you can check to see if it is getting power by moving the fan switch from the "Car" position to the "On" position. If the fan comes on, then the heating system is getting power. The most likely problems then are:
- The gas is turned off, so check the gas cock near the heater 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 must be replaced
- The draft motor isn't functioning or the fresh-air intake is obstructed, perhaps 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 furnace and out the exhaust stack. If it begins and then the heating system shuts furnace repair calgary down, the cause might be:
- The motor or the board that controls it has stopped working and need to be replaced
- A blocked air intake or blocked exhaust chimney (snow, particles and bird's nests are common causes) should be cleared
- One of the problems talked about 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 concerns and what is triggering them.
5. The Flame Begins, but the Furnace Shuts Down
If the burner begins making heat but quickly shuts off without warming your house, the flame sensing unit isn't working. If the sensing unit has rust on it, sanding it might work, though changing it is a longer-lasting repair.
6. The Blower Will Not Shut Down
If the blower motor runs all the time, there are three common issues:
- The fan turn on the thermostat is set to "on" rather than "automobile".
- Relays in the control panel are stuck in the closed position, so the blower is getting a constant supply of electrical energy, and the control panel must be replaced.
- The thermostat likewise has contacts that manage power to the heating system, and they can be worn, so the thermostat should be changed.
7. Why Does the Furnace Keep Turning Off?
If your heating system burner lights but the furnace soon shuts off, there are a few common problems that may cause this:.
- The heater filter is filthy and ought to be cleaned or changed.
- The flame sensing unit isn't working and need to be replaced.
- The thermostat is failing.
- While these are common, there are numerous other possible causes finest identified by a heater professional. This video gives in-depth protection to the problem of heating system short-cycling.
8. The Heater Runs but Can't Keep the House Warm.
If your furnace is appropriately sized for your house, then it ought to keep your house warm even in extreme cold. If it runs constantly but isn't offering sufficient heat, the most likely causes are:.
- An unclean filter that need to be washed (only if the washable type) or replaced.
- The filter is the wrong type for your heating system and limits air flow, so need to be changed.
- The filter is installed backwards, an issue that can be checked by looking for the arrows on the filter frame that show proper installation instructions with the circulation of air.
- Duct are leaking, sometimes producing telltale whistling sounds, and it is time to have them sealed as advised by Energy Star.
9. The Furnace Makes Loud Noises.
A noisy heater is frequently the result of:.
- The heating system being a single-stage design that works 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 need to be replaced.
- A leak in the furnace cabinet, sheet metal plenum or ductwork near the furnace that should be tightened up.
- A filthy filter, which can also cause whistling.
10. The Heating System Leaks when Air Conditioner is Running.
Water condenses on the evaporator coil in your heater, and if it leakages onto the floor, the concern is most likely a stopped up drain pan or drain line.
11. The Air Coming from the Heater Smells Bad.
Foul odors from the heater are typically brought on by:.
- A very filthy filter that must be washed, if washable, or changed.
- A dead rodent or bird somewhere in the system, usually a task for an expert heating system specialist.
12. The CO Display Going Off.
A carbon monoxide alarm should be taken seriously. Turn the furnace off at the thermostat. Don't enter into the room where the heating system lies. Open doors and windows, and go outside. Call 911 from a cellular phone outside your house.
How to Select a Gas Heater Repair Work Expert.
Some house owners pick the cheapest repair work service in Calgary, and the results are generally bad. Low-cost services are either simply beginning, so lack experience or they have a bad track record, so need to provide inexpensive rates to get jobs.
On the other hand, some services are overpriced. The very best method to discover quality heating system repair at a reasonable rate is to get quotes from several of the leading heating system repair companies in Calgary. Meet with each, learn more about 24 hour furnace repair calgary their history and the experience of the service technicians that will do the work. Choose an experienced heating system repair work specialist with sensible rates.