Heater Repair: Leading 12 Heating System Issues and Repairing Guide

A great gas heater fixing guide assists you in determining what is wrong with the heater based upon its signs. That's what we do here with clear, simple information.

Repairing Common Gas Furnace Problems

Every year, countless Calgary homeowners ask, "What's wrong with my gas furnace?" If you're in that situation, this guide will equip you with information prior to you call a furnace business. Knowledge is defense against being benefited from-- though a lot of repair work experts have sound ethics.

Note: This guide covers the most typical issues, especially those most property owners can quickly talk to no tools or standard tools such as screwdrivers and a multimeter.

1. The Heater Won't Start

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

- The furnace switch (located on or near the furnace, appears like a common light switch) is shut off and simply requires to be turned on, though the furnace may have a short hold-up prior to starting

- The circuit 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 simple to inspect and remedy

- The thermostat isn't working, and this is in some cases caused by a wire coming loose, so examine the electrical wiring connections

- The thermostat requires fresh batteries, if battery-powered, or it is bad and must be changed, a concern that can be identified using an electrical multimeter that reveals if a circuit is complete

- The filter is dirty and should be replaced or cleaned, a concern that is specifically true on more recent furnaces that are geared up to close down if the filter isn't allowing adequate air flow, a condition that can trigger major mechanical failure

- The furnace's primary circuit board/control board is bad, a problem that can be diagnosed by an A/C technician is absolutely nothing heating and air conditioning else resolves the problem

2. Heater Blowing Cold Air

If the heating system will not 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 furnace is getting power. The most likely problems then are:

- The gas is shut off, so check the gas dick near the heater to make certain it is parallel to the gas line

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

- The ignitor is failing and must be changed

- The draft motor isn't working or the fresh-air consumption is blocked, perhaps by snow or debris, and needs 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 heater and out the exhaust stack. If it begins and after that 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 intake or obstructed exhaust chimney (snow, particles and bird's nests prevail causes) must be cleared

- Among the problems talked about above with gas, gas valve and ignitor need to be addressed

4. The Draft Motor Will Not 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 fixing draft motor issues and what is triggering them.

5. The Flame Begins, but the Furnace Shuts Down

If the burner begins making heat but soon shuts down without warming your house, the flame sensing unit 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 Won't Shut Off

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

- The fan turn on the thermostat is set to "on" rather than "automobile".

- Relays in the control board are stuck in the closed position, so the blower is getting a consistent supply of electrical energy, and the control board must be replaced.

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

7. Why Does the Heating System Keep Shutting Down?

If your furnace burner lights but the furnace quickly shuts down, there are a couple of typical problems that might cause this:.

- The heating system filter is dirty and need to be cleaned up or changed.

- The flame sensing unit isn't working and should be replaced.

- The thermostat is stopping working.

- While these prevail, there are several other prospective causes best diagnosed by a heating system specialist. This video provides thorough protection to the issue of heater short-cycling.

8. The Heater Runs but Can't Keep the House Warm.

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

- An unclean filter that should be cleaned (just if the washable type) or replaced.

- The filter is the wrong type for your furnace and restricts air flow, so need to be changed.

- The filter is installed backwards, a problem that can be inspected by searching for the arrows on the filter frame that reveal correct setup instructions with the circulation of air.

- Duct are dripping, in some cases producing obvious whistling noises, and it is time to have them sealed as suggested by Energy Star.

9. The Heating System Makes Loud Noises.

A loud furnace is most often the result of:.

- The heating system being a single-stage model that operates 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 should be replaced.

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

- A dirty filter, which can also trigger whistling.

10. The Heater Leaks when AC is Running.

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

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

Foul odors from furnace installation the furnace are generally caused by:.

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

- A dead rodent or bird someplace in the system, normally a job for an expert heater professional.

12. The CO Display Going Off.

A carbon monoxide gas alarm must be taken seriously. Turn the furnace 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 cell phone outside your home.

How to Select a Gas Furnace Repair Work Specialist.

Some homeowners choose the least expensive repair work service in Calgary, and the outcomes are typically bad. Inexpensive services are either just beginning, so do not have experience or they have a bad credibility, so need to give inexpensive pricing to get tasks.

On the other hand, some services are overpriced. The very best way to discover quality heating system repair at a reasonable rate is to get price quotes from several of the leading heater repair work companies in Calgary. Meet with each, discover their history and the experience of the professionals that will do the work. Pick a skilled heater repair work contractor with reasonable rates.