heater repair leading 12 heater problems and fixing guide

A good gas furnace repairing guide helps you in determining what is wrong with the heating system based on its signs. That's what we do here with clear, simple info.

Fixing Common Gas Furnace Issues

Every year, thousands of Calgary property owners ask, "What's wrong with my gas heating system?" If you remain in that situation, this guide will equip you with info before you call a furnace company. Understanding is security against being made the most of– though a lot of repair work experts have sound ethics.

Keep in mind: This guide covers the most common problems, specifically those most house owners can easily consult no tools or standard tools such as screwdrivers and a multimeter.

1. The Heater Won't Start

If nothing furnace service near me takes place when the thermostat is set above the home's present temperature, the most likely furnace service causes are these:

– The heater switch (situated on or near the heating system, looks like a common light switch) is switched off and just needs to be switched on, though the furnace may have a short delay prior to beginning

– 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 inspect and fix

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

– The thermostat requires fresh batteries, if battery-powered, or it is bad and must be changed, a problem that can be diagnosed using an electrical multimeter that shows if a circuit is complete

– The filter is dirty and need to be replaced or cleaned, a problem that is especially true on newer heaters that are geared up to shut down if the filter isn't allowing adequate air flow, a condition that can cause severe mechanical failure

– The heating system's main circuit board/control board is bad, a problem that can be diagnosed by a HVAC specialist is absolutely nothing else resolves the concern

2. Heating System Blowing Cold Air

If the furnace 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 begins, then the heater is getting power. The most likely problems then are:

– The gas is shut off, so examine the gas cock near the heater to ensure it is parallel to the gas line

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

– The ignitor is failing and should be changed

– The draft motor isn't operating or the fresh-air intake is blocked, perhaps by snow or particles, and needs to be cleared

3. The Draft Motor Runs, Heater 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 starts and after that the furnace closes down, the cause might be:

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

– A blocked air intake or blocked exhaust chimney (snow, debris and bird's nests prevail causes) must be cleared

– One of the problems talked about above with gas, gas valve and ignitor need to be addressed

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 help you in repairing draft motor concerns and what is triggering them.

5. The Flame Starts, however the Furnace Shuts Down

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

6. The Blower Will Not Turn Off

If the blower motor runs all the time, there are three common 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 continuous supply of electrical energy, and the control board need to be changed.

– The thermostat likewise has contacts that control power to the heater, and they can be worn, so the thermostat needs to be replaced.

7. Why Does the Heating System Keep Shutting Off?

If your furnace burner lights but the furnace soon shuts off, there are a couple of common issues that may cause this:.

– The heater filter is filthy and ought to be cleaned up or changed.

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

– The thermostat is failing.

– While these are common, there are numerous other possible causes finest detected by a heater specialist. This video offers in-depth 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 ought to keep your house warm even in severe cold. If it runs continuously however isn't supplying adequate heat, the likely causes are:.

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

– The filter is the incorrect type for your heating system and restricts airflow, so should be replaced.

– The filter is set up in reverse, a problem that can be examined by looking for the arrows on the filter frame that show appropriate setup direction with the circulation of air.

– Air ducts are leaking, sometimes producing obvious whistling noises, and it is time to have them sealed as recommended by Energy Star.

9. The Heating System Makes Loud Noises.

A loud furnace is most often the outcome of:.

– The heater being a single-stage model that runs 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 should be changed.

– A leak in the furnace 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 Conditioner is Running.

Water condenses on the evaporator coil in your furnace, and if it leaks onto the flooring, the issue is most likely a blocked drain pan or drain line.

11. The Air Coming from the Heating System Smells Bad.

Foul odors from the furnace are usually brought on by:.

– An extremely dirty filter that must be cleaned, if washable, or replaced.

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

12. The CO Screen Going Off.

A carbon monoxide gas alarm should be taken seriously. Turn the furnace off at the thermostat. Do not go into the room where the heater lies. Open doors and windows, and go outside. Call 911 from a cell phone outside your home.

How to Pick a Gas Furnace Repair Professional.

Some homeowners pick the least expensive repair work service in Calgary, and the outcomes are usually poor. Inexpensive services are either just getting started, so do not have experience or they have a bad credibility, so must provide cheap prices to get jobs.

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