Furnace Repair: Top Twelve Furnace Issues and Fixing How to Guide

A good gas heater fixing guide helps you in determining what is wrong with the heating system based upon its signs. That's what we do here with clear, uncomplicated information.

Fixing Common Gas Heating System Problems

Every year, countless Calgary property owners ask, "What's wrong with my gas furnace?" If you're in that scenario, this guide will arm you with information before you call a furnace company. Understanding is security against being made the most of-- though many repair work specialists have sound ethics.

Note: This guide covers the most common problems, particularly those most homeowners can quickly contact no tools or basic tools such as screwdrivers and a multimeter.

1. The Heater Won't Start

If nothing takes place when the thermostat is set above the home's existing temperature, the most likely causes are these:

- The heating system switch (located on or near the heater, looks like a typical light switch) is turned off and just needs to be turned on, though the heater may have a brief delay before beginning

- The circuit breaker is off, and if the circuit furnace maintenance calgary continues to trip after it is turned back on, there is likely a wiring brief in the furnace

- The thermostat isn't set to "heat," which is easy to inspect and remedy

- The thermostat isn't working, and this is in some cases triggered by a wire coming loose, so inspect the circuitry connections

- The thermostat needs fresh batteries, if battery-powered, or it is bad and must be changed, a problem that can be detected utilizing an electrical multimeter that shows if a circuit is total

- The filter is dirty and should be replaced or cleaned, an issue that is specifically true on more recent heating systems that are equipped to shut down if the filter isn't enabling appropriate air flow, a condition that can trigger severe mechanical failure

- The heater's primary circuit board/control board is bad, a problem that can be detected by a HVAC technician is absolutely nothing else fixes the concern

2. Heating System Blowing Cold Air

If the heater won't produce heat, you can check 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 dick heating and cooling near me 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 failing and should be changed

- The draft motor isn't working or the fresh-air intake is obstructed, possibly by snow or debris, and needs 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 heater and out the exhaust stack. If it begins and then the heater closes down, the cause might be:

- The motor or the board that controls it has actually stopped working and need to be changed

- A blocked air consumption or blocked exhaust chimney (snow, particles and bird's nests are common causes) should be cleared

- Among the concerns gone over above with gas, gas valve and ignitor need to be dealt with

4. The Draft Motor Won't Start

The issue, 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 problems and what is triggering them.

5. The Flame Starts, however the Heater Shuts Down

If the burner begins making heat however soon turns 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 fix.

6. The Blower Won't Shut Off

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

- The fan switch on the thermostat is set to "on" instead of "vehicle".

- Relays in the control panel are stuck in the closed position, so the blower is getting a consistent supply of electricity, and the control board should be replaced.

- The thermostat also has contacts that manage power to the heating system, and they can be worn, so the thermostat must be replaced.

7. Why Does the Furnace Keep Shutting Off?

If your furnace burner lights however the furnace soon shuts down, there are a few common concerns that may trigger this:.

- The heater filter is filthy and should be cleaned or replaced.

- The flame sensor isn't working and must be replaced.

- The thermostat is failing.

- While these prevail, there are numerous other possible causes finest detected by a heater specialist. This video offers in-depth coverage to the problem of heater short-cycling.

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

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

- An unclean filter that need to be washed (just if the washable type) or replaced.

- The filter is the incorrect type for your furnace and limits airflow, so must be replaced.

- The filter is installed backwards, a problem that can be checked by searching for the arrows on the filter frame that show correct installation instructions with the flow of air.

- Air ducts are leaking, sometimes producing obvious whistling sounds, and it is time to have them sealed as advised by Energy Star.

9. The Heating System Makes Loud Noises.

A noisy furnace is frequently the outcome of:.

- The furnace being a single-stage design 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 replaced.

- A leakage in the heating system cabinet, sheet metal plenum or ductwork near the heater that should be tightened up.

- A filthy filter, which can likewise cause whistling.

10. The Heater Leaks when AC is Running.

Water condenses on the evaporator coil in your furnace, and if it leakages onto the flooring, the concern 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 generally caused by:.

- A very filthy filter that need to be cleaned, if washable, or changed.

- A dead rodent or bird somewhere in the system, normally a job for a professional heater service technician.

12. The CO Display Going Off.

A carbon monoxide gas alarm must be taken seriously. Turn the furnace off at the thermostat. Don't go into the space where the heating system lies. Open doors and windows, and go outside. Call 911 from a mobile phone outside your home.

How to Choose a Gas Heating System Repair Professional.

Some property owners pick the most affordable repair work service in Calgary, and the results are typically bad. Low-cost services are either just starting, so do not have experience or they have a bad reputation, so need to offer low-cost pricing to get jobs.

On the other hand, some services are overpriced. The very best way to find quality heater repair at a reasonable cost is to get quotes from numerous of the leading furnace repair work business in Calgary. Meet with each, find out about their history and the experience of the specialists that will do the work. Choose a skilled heater repair contractor with affordable rates.