A great gas heating system repairing guide assists you in identifying what is wrong with the furnace based upon its signs. That's what we do here with clear, simple info.
Repairing Common Gas Heating System Problems
Every year, thousands of Calgary property owners ask, "What's wrong with my gas heating system?" If you're in that circumstance, this guide will arm you with details prior to you call a heater company. Understanding is protection versus being taken advantage of-- though most repair work experts have sound ethics.
Keep in mind: This guide covers the most common problems, particularly those most homeowners can easily contact no tools or basic tools such as screwdrivers and a multimeter.
1. The Furnace Will Not Start
If absolutely nothing happens when the thermostat is set above the house's existing temperature, the most likely causes are these:
- The heating system switch (situated on or near the heater, appears like a common light switch) is turned off and just requires to be turned on, though the heater might have a short delay before starting
- The breaker is off, and if the circuit continues to trip after it is turned back on, there is likely a wiring short in the heater
- The thermostat isn't set to "heat," which is easy to examine and treat
- The thermostat isn't working, and this is sometimes caused by a wire coming loose, so check the electrical wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and need to be replaced, a problem that can be detected utilizing an electrical multimeter that shows if a circuit is complete
- The filter is dirty and should be changed or cleaned, a concern that is particularly real on more recent heating systems that are geared up to shut down if the filter isn't permitting adequate air flow, a condition that can cause major mechanical failure
- The furnace's primary circuit board/control board is bad, a concern that can be detected by a HEATING AND COOLING technician is 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 likely concerns then are:
- The gas is switched off, so inspect the gas cock near the heater to make sure it is parallel to the gas line
- The gas control valve isn't opening and should be replaced
- The ignitor is failing and must be replaced
- The draft motor isn't functioning or the fresh-air intake is blocked, maybe by snow or particles, and requires to be cleared
3. The Draft Motor Runs, Heating System Won't Start
The draft motor is likewise called the inducer motor. It pulls hot combustion gases through the furnace and out the exhaust stack. If it begins and then the heater closes down, the cause might be:
- The motor or the board that controls it has stopped working and need to be changed
- A blocked air consumption or blocked exhaust chimney (snow, particles and bird's nests are common causes) should be cleared
- Among the concerns talked about above with gas, gas valve and ignitor should be dealt with
4. The Draft Motor heating & cooling near me 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 troubleshooting draft motor problems and what is triggering them.
5. The Flame Begins, however the Heater Shuts Down
If the burner starts making heat however soon turns off without warming your house, the flame sensing unit isn't working. If the sensing unit has rust on it, sanding it may work, though replacing it is a longer-lasting repair.
6. The Blower Will Not Turn Off
If the blower motor runs all the time, there are 3 typical concerns:
- The fan turn on the thermostat is set to "on" instead of "vehicle".
- Relays in the control board are stuck furnace service near me in the closed position, so the blower is getting a constant supply of electrical energy, and the control panel need to be changed.
- The thermostat likewise has contacts that control power to the heating system, and they can be used, so the thermostat should be changed.
7. Why Does the Heater Keep Shutting Down?
If your furnace burner lights but the furnace soon shuts down, there are a couple of common concerns that might cause this:.
- The furnace filter is filthy and must be cleaned up or changed.
- The flame sensing unit isn't working and should be changed.
- The thermostat is stopping working.
- While these prevail, there are a number of other possible causes best diagnosed by a heating system technician. This video provides thorough coverage to the issue of furnace short-cycling.
8. The Heating System Runs but Can't Keep your house Warm.
If your heating system is correctly sized for your house, then it must keep your house warm even in severe cold. If it runs constantly but isn't supplying sufficient heat, the most likely causes are:.
- A dirty filter that must be cleaned (only if the washable type) or changed.
- The filter is the incorrect type for your heater and limits airflow, so ought to be replaced.
- The filter is set up backwards, a concern that can be examined by looking for the arrows on the filter frame that reveal correct setup direction with the circulation of air.
- Air ducts are dripping, in some cases producing obvious whistling noises, and it is time to have them sealed as suggested by Energy Star.
9. The Heater Makes Loud Noises.
A loud furnace is most often the outcome of:.
- The furnace being a single-stage model that runs 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 need to be changed.
- A leakage in the heater cabinet, sheet metal plenum or ductwork near the heating system that should be tightened.
- A filthy filter, which can also trigger whistling.
10. The Heating System Leaks when A/C is Running.
Water condenses on the evaporator coil in your furnace, and if it leakages onto the flooring, the problem is probably a clogged drain pan or drain line.
11. The Air Coming from the Furnace Smells Bad.
Foul odors from the heater are typically caused by:.
- An extremely filthy filter that ought to be cleaned, if washable, or changed.
- A dead rodent or bird someplace in the system, usually a job for an expert heater service technician.
12. The CO Display Going Off.
A carbon monoxide alarm need to be taken seriously. Turn the furnace off at the thermostat. Do not enter into the room where the furnace is located. Open doors and windows, and go outside. Call 911 from a cell phone outside your home.
How to Select a Gas Heater Repair Work Professional.
Some property owners pick the least expensive repair work service in Calgary, and the results are typically poor. Low-cost services are either just getting started, so do not have experience or they have a bad credibility, so need to provide inexpensive rates to get tasks.
On the other hand, some services are overpriced. The very best way to find quality furnace repair work at a fair cost is to get estimates from several of the leading furnace repair work companies in Calgary. Meet with each, find out about their history and the experience of the specialists that will do the work. Select a skilled furnace repair work specialist with sensible rates.