An excellent gas heating system fixing guide assists you in identifying what is wrong with the furnace based on its signs. That's what we do here with clear, straightforward details.
Fixing Common Gas Furnace Problems
Every year, thousands of Calgary homeowners ask, "What's wrong with my gas heating system?" If you're in that scenario, this guide will arm you with info before you call a heating system company. Knowledge is defense against being taken advantage of-- though most repair work experts have sound principles.
Keep in mind: This guide covers the most typical issues, specifically those most house owners can easily consult no tools or fundamental tools such as screwdrivers and a multimeter.
1. The Furnace Won't Start
If absolutely nothing takes place when the thermostat is set above the home's current temperature, the most likely causes are these:
- The heater switch (located on or near the heating system, looks like a typical light switch) is switched off and simply needs to be turned on, though the heating system might have a short delay before starting
- The circuit breaker is off, and if the circuit continues to journey after it is turned furnace maintenance back on, there is likely a circuitry short in the heater
- The thermostat isn't set to "heat," which is simple to check and fix
- The thermostat isn't working, and this is in some cases caused by a wire coming loose, so examine the electrical wiring connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and must be replaced, a concern that can be detected using an electrical multimeter that shows if a circuit is complete
- The filter is unclean and furnace installation near me should be changed or cleaned up, a concern that is particularly true on newer heating systems that are equipped to shut down if the filter isn't allowing adequate air circulation, a condition that can cause severe mechanical failure
- The furnace's primary circuit board/control board is bad, an issue that can be detected by a HEATING AND COOLING technician is nothing else solves the concern
2. Furnace Blowing Cold Air
If the furnace won't produce heat, you can check to see if it is getting power by moving the fan switch from the "Automobile" position to the "On" position. If the fan begins, then the furnace is getting power. The most likely concerns then are:
- The gas is shut off, so inspect the gas cock near the furnace to ensure it is parallel to the gas line
- The gas control valve isn't opening and should be replaced
- The ignitor is stopping working and need to be changed
- The draft motor isn't operating or the fresh-air consumption is blocked, perhaps by snow or particles, and requires to be cleared
3. The Draft Motor Runs, Heater Won't Start
The draft motor is likewise called the inducer motor. It pulls hot combustion gases through the heater and out the exhaust stack. If it begins and after that the heating system closes down, the cause might be:
- The motor or the board that manages it has failed and need to be replaced
- An obstructed air consumption or blocked exhaust chimney (snow, debris and bird's nests are common causes) should be cleared
- Among the concerns gone over above with gas, gas valve and ignitor must be resolved
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 assist you in troubleshooting draft motor issues and what is causing them.
5. The Flame Begins, but the Heating system Shuts Down
If the burner begins making heat however soon turns off without warming your home, the flame sensor isn't working. If the sensing unit has corrosion on it, sanding it might work, though replacing it is a longer-lasting fix.
6. The Blower Won't 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" rather than "auto".
- 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 need to be replaced.
- The thermostat also has contacts that control power to the furnace, and they can be worn, so the thermostat needs to be changed.
7. Why Does the Heating System Keep Shutting Off?
If your heating system burner lights however the heater soon turns off, there are a few common concerns that might cause this:.
- The heater filter is dirty and must be cleaned up or replaced.
- The flame sensing unit isn't working and ought to be replaced.
- The thermostat is stopping working.
- While these prevail, there are a number of other potential causes finest diagnosed by a heater specialist. This video offers thorough protection to the issue of heating system short-cycling.
8. The Furnace Runs however Can't Keep the House Warm.
If your furnace is effectively sized for your house, then it ought to keep your home warm even in extreme cold. If it runs continuously however isn't supplying sufficient heat, the most likely causes are:.
- An unclean filter that should be washed (only if the washable type) or changed.
- The filter is the incorrect type for your heating system and restricts air flow, so must be replaced.
- The filter is installed in reverse, a concern that can be checked by searching for the arrows on the filter frame that show proper installation instructions with the circulation of air.
- Air ducts are leaking, often producing telltale whistling sounds, and it is time to have them sealed as advised by Energy Star.
9. The Heater Makes Loud Noises.
A noisy heater is frequently the result of:.
- The furnace being a single-stage design that works 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 must be changed.
- A leakage in the heater cabinet, sheet metal plenum or ductwork near the furnace that need to be tightened.
- 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 furnace, and if it leakages onto the flooring, the problem is probably a clogged up drain pan or drain line.
11. The Air Coming from the Furnace Smells Bad.
Foul odors from the heating system are usually brought on by:.
- A really unclean filter that should be cleaned, if washable, or changed.
- A dead rodent or bird someplace in the system, usually a job for an expert furnace professional.
12. The CO Screen Going Off.
A carbon monoxide alarm ought to be taken seriously. Turn the furnace off at the thermostat. Don't enter into the space where the furnace lies. Open doors and windows, and go outside. Call 911 from a cellular phone outside your house.
How to Select a Gas Furnace Repair Work Professional.
Some homeowners choose the least expensive repair service in Calgary, and the results are typically bad. Inexpensive services are either just getting going, so do not have experience or they have a bad reputation, so must provide inexpensive prices to get tasks.
On the other hand, some services are overpriced. The best method to discover quality heater repair at a fair rate is to get estimates from several of the top furnace repair work companies in Calgary. Consult with each, learn more about their history and the experience of the professionals that will do the work. Select a skilled heater repair professional with sensible rates.