An excellent gas heating system fixing guide helps you in identifying what is wrong with the heating system based upon its signs. That's what we do here with clear, simple details.
Repairing Common Gas Heating System Problems
Every year, countless Calgary property owners ask, "What's wrong with my gas furnace?" If you remain in that situation, this guide will arm you with info before you call a furnace business. Understanding is protection against being taken advantage of-- though most repair specialists have sound ethics.
Keep in mind: This guide covers the most common issues, especially those most house owners can easily contact no tools or standard tools such as screwdrivers and a multimeter.
1. The Furnace Will Not Start
If absolutely nothing takes place when the thermostat is set above the house's present temperature, the most likely causes are these:
- The heating system switch (located on or near the furnace, appears like a typical light switch) is turned off and just requires to be turned on, though the heater may have a brief delay prior to starting
- The circuit breaker is off, and if the circuit continues to journey after it is turned back on, there is likely a circuitry brief in the heating system
- The thermostat isn't set to "heat," which is easy to inspect and correct
- The thermostat isn't working, and this is in some cases triggered by a wire coming loose, so check the electrical wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and should be changed, a problem that can be detected using an electrical multimeter that reveals if a circuit is total
- The filter is dirty and need to be replaced or cleaned, a concern that is especially true on more recent furnaces that are equipped to close down if the filter isn't enabling adequate air circulation, a condition that can cause serious mechanical failure
- The furnace's main circuit board/control board is bad, a concern that can be identified by a HVAC specialist is absolutely nothing else solves the problem
2. Heater Blowing Cold Air
If the heating system 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 begins, then the heating system is getting power. The likely issues then are:
- The gas is turned off, so inspect the gas cock near the heating system to ensure it is parallel to the gas line
- The gas control valve isn't opening and must be replaced
- The ignitor is failing and should be changed
- The draft motor isn't operating or the fresh-air consumption is blocked, perhaps by snow or debris, and needs to be cleared
3. The Draft Motor Runs, Heating System Will Not 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 after that the heating system shuts down, the cause might be:
- The motor or the board that manages it has stopped working and should be changed
- A blocked air intake or blocked exhaust chimney (snow, particles and bird's nests are common causes) should be cleared
- One of the concerns talked about above with gas, gas valve and ignitor should 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 assist you in troubleshooting draft motor problems and what is triggering them.
5. The Flame Starts, but the Heating system Shuts Down
If the burner starts making heat however soon shuts off without warming your home, the flame sensor isn't working. If the sensor has corrosion on it, sanding it might work, though changing it is a longer-lasting fix.
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" instead of "auto".
- Relays in the control panel are stuck in the closed position, so the blower is getting a consistent supply of electrical energy, and the control board must be changed.
- The thermostat also has contacts that control power to the heater, and they can be worn, so the thermostat needs to be replaced.
7. Why Does the Heater Keep Turning Off?
If your furnace burner lights but the furnace quickly furnace cleaning calgary shuts down, there are a couple of typical issues that may trigger this:.
- The heating system filter is dirty and should be cleaned or changed.
- The flame sensing unit isn't working and must be changed.
- The thermostat is stopping working.
- While these are common, there are a number of other prospective causes finest detected by a furnace service technician. This video gives thorough protection to the issue of heating system short-cycling.
8. The Heater Runs but Can't Keep the House Warm.
If your heater is effectively sized for your home, then it ought to keep your home warm even in extreme cold. If it runs constantly however isn't supplying enough heat, the likely causes are:.
- An unclean filter that should be cleaned (just if the washable type) or replaced.
- The filter is the incorrect type for your furnace and restricts airflow, so need to be replaced.
- The filter is set up backwards, a concern that can be checked by trying to find the arrows on the filter frame that reveal proper installation direction with the circulation of air.
- Duct are dripping, in some cases producing obvious whistling sounds, and it is time to have them sealed as suggested by Energy Star.
9. The Heating System Makes Loud Noises.
A loud furnace is most often the outcome of:.
- The heating system being a single-stage heating and air conditioning model 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 must be replaced.
- A leakage in the furnace cabinet, sheet metal plenum or ductwork near the furnace that should be tightened.
- A filthy filter, which can also cause whistling.
10. The Heater Leaks when A/C is Running.
Water condenses on the evaporator coil in your heater, and if it leaks onto the flooring, the issue is more than likely a clogged up drain pan or drain line.
11. The Air Coming from the Heating System Smells Bad.
Foul odors from the heater are generally triggered by:.
- A really filthy filter that ought to be cleaned, if washable, or changed.
- A dead rodent or bird somewhere in the system, normally a task for an expert furnace specialist.
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 heater lies. Open doors and windows, and go outside. Call 911 from a cellular phone outside your home.
How to Pick a Gas Heater Repair Expert.
Some property owners pick the most inexpensive repair work service in Calgary, and the outcomes are normally poor. Low-cost services are either just starting, so do not have experience or they have a bad reputation, so should offer inexpensive prices to get jobs.
On the other hand, some services are overpriced. The very best way to discover quality heater repair at a reasonable cost is to get price quotes from numerous of the top furnace repair companies in Calgary. Consult with each, discover their history and the experience of the specialists that will do the work. Select a skilled heater repair contractor with reasonable rates.