heating system repair leading 12 heating system problems and fixing how to guide

A great gas furnace troubleshooting guide assists you in determining what is wrong with the furnace based upon its symptoms. That's what we do here with clear, straightforward information.

Repairing Common Gas Heater Issues

Every year, countless Calgary property owners ask, "What's wrong with my gas furnace?" If you're in that scenario, this guide will equip you with details before you call a heating system business. Understanding is protection versus being made the most of– though most repair specialists have sound principles.

Note: This guide covers the most typical problems, specifically those most house owners can quickly contact no tools or basic tools such as screwdrivers and a multimeter.

1. The Heater Won't Start

If nothing happens when the thermostat is set above the house's current temperature, the most likely causes are these:

– The furnace switch (located on or near the heater, appears like a common light switch) is switched off and just requires to be turned on, though the furnace might have a short delay before beginning

– The breaker is off, and if the circuit continues to journey after it is turned back on, there is likely a wiring brief in the heater

– The thermostat isn't set to "heat," which is simple to inspect and treat

– The thermostat isn't working, and this is in some cases triggered by a wire coming loose, so inspect 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 reveals if a circuit is total

– The filter is filthy and must be changed or cleaned up, a concern that is specifically true on newer heating systems that are geared up to shut down if the filter isn't enabling appropriate air flow, a condition that can cause serious mechanical failure

– The heater's main circuit board/control board is bad, an issue that can be identified by a HEATING AND COOLING specialist is nothing else solves the problem

2. Furnace 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 "Vehicle" position to the "On" position. If the fan comes on, then the heating system is getting power. The likely issues then are:

– The gas is switched off, so inspect the gas cock near the heating system to make certain it is parallel to the gas line

– The gas control valve isn't opening and need to be changed

– The ignitor is stopping working and must be replaced

– The draft motor isn't functioning or the fresh-air intake is obstructed, possibly by snow or debris, 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 heating system and out the exhaust stack. If it starts and then the furnace shuts down, the cause might be:

– The motor or the board that controls it has actually failed and must be changed

– An obstructed air intake or obstructed exhaust chimney (snow, debris and bird's nests prevail causes) should be cleared

– Among the issues talked about above with gas, gas valve and ignitor should be dealt with

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 assist you in troubleshooting draft motor concerns and what is causing them.

5. The Flame Starts, but the Heating system Shuts Down

If the burner starts making heat but soon shuts down without warming your home, the flame sensing unit isn't working. If the sensing unit has rust on it, sanding it might work, though replacing it is a longer-lasting fix.

6. The Blower Will Not Turn Off

If the blower motor runs all the time, there are 3 common issues:

– The fan switch 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 continuous supply of electrical energy, and the control panel need to be replaced.

– The thermostat likewise has contacts that manage power to the furnace, and they can be used, so the thermostat must be changed.

7. Why Does the Furnace Keep Shutting Down?

If your heater burner lights however the heating system quickly shuts off, there are a couple of typical concerns that may trigger this:.

– The furnace filter is filthy and ought to be cleaned or replaced.

– The flame sensing unit isn't working and should be changed.

– The thermostat is failing.

– While these are common, there are several other possible causes best identified by a furnace specialist. This video provides extensive coverage to the problem of heater short-cycling.

8. The Heating System Runs but Can't Keep your house Warm.

If your heating system is effectively sized for your home, then it should keep your home warm even in extreme cold. If it runs continuously but emergency furnace repair calgary isn't providing adequate heat, the most likely causes are:.

– A filthy filter that need to be washed (only if the washable type) or replaced.

– The filter is the incorrect type for your heater and restricts air flow, so need to be changed.

– The filter is installed in reverse, a problem that can be examined by searching for the arrows on the filter frame that show appropriate installation direction with the circulation of air.

– Air ducts are dripping, often 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 most often the outcome of:.

– The heating system 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 replaced.

– A leak in the heating system cabinet, sheet metal plenum or ductwork near the furnace that must be tightened.

– A dirty filter, which can likewise cause whistling.

10. The Furnace Leaks when A/C is Running.

Water condenses on the evaporator coil in your heater, and if it leakages onto the floor, the problem is more than likely a stopped up drain pan or drain line.

11. The Air Coming from the Heater Smells Bad.

Foul odors from the heating system are typically triggered by:.

– A really unclean filter that should be cleaned, if washable, or replaced.

– A dead rodent or bird somewhere in the system, generally a task for an expert furnace service technician.

12. The CO Monitor Going Off.

A carbon monoxide alarm should be taken seriously. Turn the heating system off at the thermostat. Do not enter into the space where the heating system lies. Open doors and windows, and go outside. Call 911 from a cellular phone outside your home.

How to Select a Gas Furnace Repair Professional.

Some property owners select the cheapest repair work service in Calgary, and the outcomes are normally poor. Low-cost family heating and cooling services are either just starting, so do not have experience or they have a bad credibility, so must provide cheap rates to get jobs.

On the other hand, some services are overpriced. The best method to discover quality heating system repair at a fair cost is to get price quotes from several of the leading heater repair work business in Calgary. Meet with each, discover their history and the experience of the specialists that will do the work. Select a knowledgeable furnace repair work contractor with reasonable rates.