heater repair work leading 12 heating system problems and troubleshooting how to guide

An excellent gas furnace fixing guide helps you in identifying what is wrong with the heater based on its signs. That's what we do here with clear, uncomplicated info.

Fixing Common Gas Furnace Problems

Every year, thousands of Calgary property owners ask, "What's wrong with my gas heating system?" If you remain in that scenario, this guide will equip you with info before you call a furnace business. Knowledge is protection against being taken advantage of– though a lot of repair specialists have sound principles.

Keep in mind: This guide covers the most typical issues, especially those most homeowners can quickly consult no tools or basic tools such as screwdrivers and a multimeter.

1. The Heating System Won't Start

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

– The heating system switch (located on or near the heating system, looks like a typical light switch) is shut off and just needs to be switched on, though the heater might have a short hold-up prior to 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 check and remedy

– The thermostat isn't working, and this is sometimes brought on by a wire coming loose, so inspect the electrical wiring connections

– The thermostat needs fresh batteries, if battery-powered, or it is bad and should be replaced, an issue that can be diagnosed using an electrical multimeter that shows if a circuit is total

– The filter is unclean and must be replaced or cleaned, a problem that is especially true on more recent heating systems that are geared up to close down if the filter isn't enabling sufficient air circulation, a condition that can trigger major mechanical failure

– The furnace's main circuit board/control board is bad, an issue that can be diagnosed by a HVAC technician is nothing else resolves the issue

2. Heater Blowing Cold Air

If the heater will not produce heat, you can examine to see if it is getting power by moving the fan switch from the "Automobile" position to the "On" position. If the fan comes on, then the furnace 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 need to be replaced

– The draft motor isn't functioning or the fresh-air intake is blocked, possibly by snow or particles, and requires 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 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 manages it has failed and should be replaced

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

– One of the issues discussed above with gas, gas valve and ignitor need to be attended to

4. The Draft Motor Will Not Start

The problem, in this case, is furnaces calgary either that the motor is bad or the capacitor that supports it is bad. This video will assist you in repairing draft motor problems and what is causing them.

5. The Flame Begins, but the Heater Shuts Down

If the burner starts making heat however quickly shuts off without warming your home, the flame sensor isn't working. If the sensor has rust on it, sanding it might work, though changing it is a longer-lasting repair.

6. The Blower Won't Turn Off

If the blower motor runs all the time, there are three common problems:

– 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 electricity, and the control panel should be replaced.

– The thermostat also has contacts that control power to the furnace, and they can be worn, so the thermostat should be changed.

7. Why Does the Heating System Keep Shutting Down?

If your heater burner lights however the heater soon turns off, there are a couple of typical concerns that may trigger this:.

– The furnace filter is unclean and should be cleaned or replaced.

– The flame sensor isn't working and ought to be changed.

– The thermostat is failing.

– While these prevail, there are several other potential causes best diagnosed by a furnace service technician. This video offers thorough coverage to the problem of heater short-cycling.

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

If your heater is properly sized for your home, then it ought to keep your home warm even in extreme cold. If it runs continuously however isn't providing sufficient heat, the likely causes are:.

– A filthy filter that must be cleaned (only if the washable type) or changed.

– The filter is the incorrect type for your heating system and limits air flow, so must be changed.

– The filter is set up in reverse, a concern that can be examined by looking for the arrows on the filter frame that reveal appropriate installation direction with the flow of air.

– Air ducts are leaking, in some cases producing obvious whistling sounds, and it is time to have them sealed as recommended by Energy Star.

9. The Heater Makes Loud Noises.

A noisy furnace is usually the outcome of:.

– The heating system being a single-stage design 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 need heating and cooling systems to be changed.

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

– A dirty filter, which can also cause whistling.

10. The Heating System Leaks when Air Conditioning is Running.

Water condenses on the evaporator coil in your heating system, and if it leakages onto the flooring, the concern is more than likely a clogged drain pan or drain line.

11. The Air Coming from the Furnace Smells Bad.

Foul odors from the furnace are generally triggered by:.

– A very unclean filter that need to be cleaned, if washable, or changed.

– A dead rodent or bird someplace in the system, usually a task for a professional furnace specialist.

12. The CO Monitor Going Off.

A carbon monoxide alarm should be taken seriously. Turn the furnace off at the thermostat. Don't enter into the space where the heating system is located. Open doors and windows, and go outside. Call 911 from a cell phone outside your house.

How to Select a Gas Heating System Repair Expert.

Some homeowners select the cheapest repair service in Calgary, and the outcomes are typically bad. Inexpensive services are either just starting, so do not have experience or they have a bad reputation, so should give low-cost prices to get jobs.

On the other hand, some services are overpriced. The best way to find quality heating system repair work at a reasonable cost is to get estimates from several of the leading heating system repair business in Calgary. Consult with each, learn about their history and the experience of the service technicians that will do the work. Select an experienced heating system repair work specialist with sensible rates.