A great gas heater repairing guide helps you in identifying what is wrong with the heater based on its signs. That's what we do here with clear, uncomplicated information.
Fixing Common Gas Heater Issues
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 details prior to you call a furnace business. Knowledge is protection versus being benefited from-- though a lot of repair experts have sound ethics.
Keep in mind: This guide covers the most common problems, especially those most homeowners can easily contact no tools or basic tools such as screwdrivers and a multimeter.
1. The Heating System Won't Start
If absolutely nothing happens when the thermostat is set above the home's existing temperature, the most likely causes are these:
- The furnace switch (situated on or near the heating system, looks like a common light switch) is shut off and simply requires to be turned on, though the heating system may have a short hold-up prior to starting
- The breaker is off, and if the circuit continues to trip 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 in some cases caused by a wire coming loose, so examine the circuitry connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and should be changed, an issue that can be detected utilizing an electrical multimeter that reveals if a circuit is heat and cool total
- The filter is unclean and need to be changed or cleaned, a concern that is particularly real on newer heaters that are equipped to close down if the filter isn't allowing adequate air flow, a condition that can trigger major mechanical failure
- The heater's main circuit board/control board is bad, an issue that can be identified by a HVAC specialist is nothing else solves the problem
2. Heater Blowing Cold Air
If the heater won't produce heat, you can inspect to see if it is getting power by moving the fan switch from the "Auto" position to the "On" position. If the fan begins, then the heater is getting power. The most likely issues then are:
- The gas is turned off, so examine the gas cock near the heater to make certain it is parallel to the gas line
- The gas control valve isn't opening and must be replaced
- The ignitor is stopping working and should be replaced
- The draft motor isn't functioning or the fresh-air intake is obstructed, perhaps by snow or particles, and needs to be cleared
3. The Draft Motor Runs, Furnace Will Not Start
The draft motor is likewise 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 closes down, the cause might be:
- The motor or the board that manages it has stopped working and should be changed
- An obstructed air intake or blocked exhaust chimney (snow, particles and bird's nests are common causes) must be cleared
- Among the issues discussed above with gas, gas valve and ignitor must be resolved
4. The Draft Motor Will Not Start
The problem, in this case, is either that the motor is bad or the capacitor that supports it is bad. This video will help you in troubleshooting draft motor concerns and what is causing them.
5. The Flame Starts, however the Furnace Shuts Down
If the burner starts making heat but soon shuts off without warming your home, the flame sensor isn't working. If the sensing unit has corrosion on it, sanding it might work, though changing it is a longer-lasting repair.
6. The Blower Will Not Shut Down
If the blower motor runs all the time, there are three typical problems:
- The fan switch on the thermostat is set to "on" instead of "car".
- Relays in the control board are stuck in the closed position, so the blower is getting a constant supply of electricity, and the control panel must be changed.
- The thermostat likewise has contacts that manage power to the heating system, and they can be worn, so the thermostat must be changed.
7. Why Does the Heater Keep Shutting Down?
If your hvac company furnace burner lights but the heating system soon shuts down, there are a few typical problems that may trigger this:.
- The furnace filter is filthy and should be cleaned up or changed.
- The flame sensor isn't working and must be changed.
- The thermostat is failing.
- While these prevail, there are a number of other potential causes best diagnosed by a furnace specialist. This video offers extensive protection to the issue of heating system short-cycling.
8. The Furnace Runs but Can't Keep your home Warm.
If your heating system is properly sized for your home, then it must keep your home warm even in severe cold. If it runs constantly however isn't providing adequate heat, the most likely causes are:.
- An unclean filter that should be cleaned (only if the washable type) or replaced.
- The filter is the incorrect type for your heating system and limits airflow, so must be replaced.
- The filter is installed backwards, a concern that can be inspected by searching for the arrows on the filter frame that show appropriate setup direction with the flow of air.
- Air ducts are dripping, in some cases producing telltale whistling sounds, and it is time to have them sealed as advised by Energy Star.
9. The Heating System Makes Loud Noises.
A loud heating system is usually the outcome of:.
- The heating system being a single-stage model that runs 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 furnace cabinet, sheet metal plenum or ductwork near the heater that should be tightened.
- A dirty 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 floor, the issue is probably a stopped up drain pan or drain line.
11. The Air Coming from the Heating System Smells Bad.
Foul odors from the heating system are usually triggered by:.
- An extremely filthy filter that must be cleaned, if washable, or changed.
- A dead rodent or bird someplace in the system, generally a job for an expert furnace service technician.
12. The CO Display Going Off.
A carbon monoxide alarm need to be taken seriously. Turn the heater off at the thermostat. Do not go into the space where the furnace is located. Open doors and windows, and go outside. Call 911 from a cellular phone outside your home.
How to Choose a Gas Furnace Repair Work Professional.
Some property owners choose the most affordable repair work service in Calgary, and the outcomes are normally bad. Inexpensive services are either just getting started, so lack experience or they have a bad reputation, so should provide cheap pricing to get tasks.
On the other hand, some services are overpriced. The very best method to find quality heater repair at a fair cost is to get quotes from numerous of the top heater repair companies in Calgary. Meet with each, find out about their history and the experience of the professionals that will do the work. Select an experienced heating system repair work professional with sensible rates.