A great gas heating system repairing guide helps you in determining what is wrong with the furnace based upon its signs. That's what we do here with clear, simple information.
Repairing Common Gas Furnace Problems
Every year, thousands of Calgary house owners ask, "What's wrong with my gas heater?" If you're in that situation, this guide will equip you with details before you call a furnace company. Understanding is protection against being benefited from-- though most repair work experts have sound ethics.
Note: This guide covers the most typical issues, particularly those most homeowners can easily consult no tools furnace installation near me or fundamental tools such as screwdrivers and a multimeter.
1. The Heater Won't Start
If absolutely nothing occurs when the thermostat is set above the house's existing temperature, the most likely causes are these:
- The furnace switch (located on or near the furnace, appears like a typical light switch) is shut off and merely requires to be switched on, though the furnace may have a short hold-up before beginning
- The breaker is off, and if the circuit continues to trip 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 examine and treat
- The thermostat isn't working, and this is often triggered by a wire coming loose, so examine the electrical wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and should be replaced, a concern that can be identified utilizing an electrical multimeter that shows if a circuit is complete
- The filter is dirty and need to be changed or cleaned up, a concern that is particularly real on newer furnaces that are equipped to shut down if the filter isn't enabling sufficient air flow, a condition that can trigger major mechanical failure
- The heater's main circuit board/control board is bad, a problem that can be detected by a HEATING AND COOLING service technician is absolutely nothing else solves the concern
2. Heater 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 "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 turned off, so examine the gas cock near the heater to make sure 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 should be changed
- The draft motor isn't working or the fresh-air intake is blocked, maybe by snow or particles, and requires to be cleared
3. The Draft Motor Runs, Heater Will Not Start
The draft motor is also called the inducer motor. It pulls hot combustion gases through the heating system and out the exhaust hvac contractor stack. If it begins and after that the furnace closes down, the cause might be:
- The motor or the board that controls it has actually stopped working and should be replaced
- An obstructed air consumption or obstructed exhaust chimney (snow, debris and bird's nests prevail causes) need to be cleared
- Among the issues gone over above with gas, gas valve and ignitor need to be dealt with
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 concerns and what is causing them.
5. The Flame Begins, but the Heating system Shuts Down
If the burner starts making heat but quickly shuts off without warming your home, the flame sensor isn't working. If the sensing unit has deterioration on it, sanding it may work, though changing it is a longer-lasting fix.
6. The Blower Won't Shut 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 "automobile".
- 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 board need to be changed.
- The thermostat also has contacts that manage power to the heater, and they can be worn, so the thermostat needs to be changed.
7. Why Does the Furnace Keep Shutting Off?
If your furnace burner lights however the furnace soon shuts down, there are a few common issues that may cause this:.
- The furnace filter is filthy and should be cleaned or changed.
- The flame sensor isn't working and ought to be replaced.
- The thermostat is failing.
- While these prevail, there are a number of other possible causes best identified by a furnace technician. This video offers extensive protection to the issue of heater short-cycling.
8. The Heater Runs but Can't Keep the House Warm.
If your heater is appropriately sized for your house, then it must keep your home warm even in extreme cold. If it runs constantly however isn't offering sufficient heat, the most likely causes are:.
- A dirty filter that need to be washed (only if the washable type) or changed.
- The filter is the incorrect type for your heater and limits airflow, so must be replaced.
- The filter is set up in reverse, a concern that can be inspected by looking for the arrows on the filter frame that reveal appropriate installation instructions with the flow of air.
- Air ducts are dripping, sometimes producing obvious whistling sounds, and it is time to have them sealed as suggested by Energy Star.
9. The Furnace Makes Loud Noises.
A noisy heater is most often the result of:.
- The heater being a single-stage model that works 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 to be changed.
- A leak in the heater cabinet, sheet metal plenum or ductwork near the heater that must be tightened.
- An unclean filter, which can likewise cause whistling.
10. The Heating System Leaks when Air Conditioner is Running.
Water condenses on the evaporator coil in your heating system, and if it leakages onto the flooring, the issue is probably a clogged up drain pan or drain line.
11. The Air Coming from the Heater Smells Bad.
Foul odors from the heater are generally brought on by:.
- A very unclean filter that ought to be cleaned, if washable, or replaced.
- A dead rodent or bird somewhere in the system, normally a task for an expert heating system professional.
12. The CO Screen 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 furnace is located. Open doors and windows, and go outside. Call 911 from a mobile phone outside your house.
How to Choose a Gas Heater Repair Work Professional.
Some homeowners pick the most inexpensive repair work service in Calgary, and the outcomes are generally poor. Cheap services are either just starting, so do not have experience or they have a bad reputation, so need to provide cheap rates to get jobs.
On the other hand, some services are overpriced. The best method to find quality heating system repair at a fair price is to get price quotes from numerous of the leading heater repair companies in Calgary. Meet each, discover their history and the experience of the technicians that will do the work. Pick an experienced heating system repair work specialist with affordable rates.