An excellent gas heating system fixing guide assists you in identifying what is wrong with the heating system based upon its symptoms. That's what we do here with clear, straightforward information.
Fixing Common Gas Heating System Problems
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 equip you with info before you call a heater company. Knowledge is security versus being benefited from-- though most repair work experts have sound ethics.
Note: This guide covers the most typical problems, especially those most house owners can easily consult no tools or basic tools such as screwdrivers and a multimeter.
1. The Heating System Will Not Start
If nothing occurs when the thermostat is set above the house's existing temperature level, the most likely causes are these:
- The heater switch (situated on or near the heater, looks like a typical light switch) is turned off and merely requires to be turned on, though the heater might have a short hold-up 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 brief in the furnace
- The thermostat isn't set to "heat," which is simple to check and remedy
- The thermostat isn't working, and this is often brought on by a wire coming loose, so examine the circuitry connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and should be replaced, a problem that can be identified utilizing an electrical multimeter that shows if a circuit is total
- The filter is unclean and must be changed or cleaned up, furnace tune up an issue that is particularly real on newer furnaces that are geared up to shut down if the filter isn't enabling adequate air circulation, a condition that can cause major mechanical failure
- The heating system's main circuit board/control board is bad, a problem that can be diagnosed by an A/C professional is nothing else solves the concern
2. Heating System Blowing Cold Air
If the heater won't produce heat, you can examine 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 concerns then are:
- The gas is switched off, so inspect the gas dick near the heater 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 blocked, perhaps by snow or debris, and needs to be cleared
3. The Draft Motor Runs, Heater 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 starts and then the heater closes down, the cause might be:
- The motor or the board that controls it has actually stopped working and should be replaced
- An obstructed air intake or obstructed exhaust chimney (snow, particles and bird's nests are common causes) need to be cleared
- Among the issues gone over above with gas, gas valve and ignitor need to be resolved
4. The Draft Motor Will Not 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 repairing draft motor problems and what is causing them.
5. The Flame Starts, but the Heater Shuts Down
If the burner begins making heat however quickly turns off without warming your home, the flame sensing unit isn't working. If the sensing unit has rust on it, sanding it may 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 3 common concerns:
- The fan turn on the thermostat is set to "on" instead of "auto".
- 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 should be replaced.
- The thermostat likewise has contacts that control power to the furnace, and they can be used, so the thermostat must be changed.
7. Why Does the Heating System Keep Turning Off?
If your heater burner lights however the furnace quickly turns off, there are a couple of common concerns that might cause this:.
- The heater filter is dirty and should be cleaned or replaced.
- The flame sensing unit isn't working and ought to be replaced.
- The thermostat is stopping working.
- While these prevail, there are numerous other possible causes best diagnosed by a furnace technician. This video provides thorough protection to the issue of heater short-cycling.
8. The Furnace Runs but Can't Keep your home Warm.
If your heater is effectively sized for your house, then it should keep your home warm even in severe cold. If it runs continuously however isn't offering enough heat, the likely causes are:.
- A filthy filter that must be cleaned (just if the washable type) or replaced.
- The filter is the incorrect type for your furnace and limits air flow, so must be changed.
- The filter is installed in reverse, a problem that can be inspected by looking for the arrows on the filter frame that reveal proper setup direction with the circulation of air.
- Duct are dripping, sometimes producing telltale whistling sounds, and it is time to have them sealed as recommended by Energy Star.
9. The Furnace Makes Loud Noises.
A loud furnace is most often the result of:.
- The heater being a single-stage model 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 must be changed.
- A leak in the heater cabinet, sheet metal plenum or ductwork near the heater that must be tightened up.
- An unclean filter, which can likewise cause whistling.
10. The Furnace Leaks when A/C is Running.
Water condenses on the evaporator coil in your heating system, and if it leakages onto the floor, the problem is more than likely a clogged up drain pan or drain line.
11. The Air Coming from furnace cleaning calgary the Heating System Smells Bad.
Foul odors from the heater are typically caused by:.
- A really unclean filter that ought to be washed, if washable, or replaced.
- A dead rodent or bird somewhere in the system, typically a task for an expert heater service technician.
12. The CO Screen Going Off.
A carbon monoxide alarm need to be taken seriously. Turn the heater off at the thermostat. Do not enter into the space where the heater lies. Open doors and windows, and go outside. Call 911 from a mobile phone outside your house.
How to Select a Gas Heating System Repair Expert.
Some homeowners pick the most affordable repair service in Calgary, and the outcomes are usually bad. Low-cost services are either just beginning, so lack experience or they have a bad credibility, so need to provide inexpensive pricing to get tasks.
On the other hand, some services are overpriced. The best way to find quality heater repair at a reasonable price is to get estimates from numerous of the leading heating system repair work business in Calgary. Meet with each, learn more about their history and the experience of the service technicians that will do the work. Choose an experienced heating system repair contractor with reasonable rates.