Air Conditioning Contractor Denver
Posted on January 30, 2018
Your central air conditioner is a much more complex system than you may realize. Good air conditioner repair services have several things in common, the most important ones among them being the need to provide quality service and AC heating repair for customers who own different types of air conditioners which need repair and maintenance. Technicians who work with air conditioners undergo a comprehensive and lengthy training to be able to install and repair them. Homeowners trust Denver for an accurate assessment of their needs, and professionally executed service.
We depend on our air conditioners at home and work places to keep things cool so that we can perform at our best. Before you decide to install, upgrade or replace your air conditioning, make sure you talk to a qualified Denver HVAC professional about the best options for your climate control system. It's always best to seek professional help so that you know your furnace and/or air conditioner will provide optimum protection and durability for an affordable price.
DenverThe furnace is hot and every once in a while the burner will come on for a short time and then go off again. But the blower that should be running to circulate the hot air from the furnace to the house is not working. How can you fix that? It really isn't very hard.It does not matter what the fuel of your hot air furnace is. If the blower is not circulating the air through the heater then you are not getting warm. The function of the blower is to move the heat from the heater to the space that need to be heated.A few simple tests can tell you what your problem is. Do you have power going to the motor that runs the blower? If you have power going to the motor and it is very hot than maybe the blower wheel has come lose and it is stuck on something that is keeping it from turning. Try to turn the wheel to see if it is stuck. If the wheel is not hitting anything and just turns hard then the bearings of the motor are bad and the motor needs to be replaced. In some rare cases the motor has little tubes to the bearings and some oil can be worked into the bearings to free them up. This is a long a tedious process, but I have done it successfully a few times. If the wheel is hitting something, then try to see if it can be fixed. Sometimes the set screw will just come lose from the shaft and repositioning the wheel and tightening the screw will fix the problem.Sometimes power will be going to the motor and nothing at all is happening. Replacing the motor is then the only option. The worst case that happens and is one of the most common problems is for the hub of the blower wheel to brake off. This lets the inside of the wheel fall down on the motor shaft. The metal from the wheel will saw off the shaft of the motor rather quickly as it is spinning trying to run the blower. The result of this is a ruined wheel and motor. This gives a brief overview of some of the many things that may happen to your blower in your hot air furnace. I have encountered many other things over the years, but these are the most common problems. It will give you a few things to look for if you are having problems. Be very careful because many times the edges of the metal pieces are very sharp. You can be cut very easily when checking or handling these parts. I know and have the scars to prove it! Do not be in a hurry and be safe.
The Importance of Proper Furnace and Air Handler MaintenanceTo fix household things that break, you need to know how it works, what can go wrong, how to identify the problem, as well as the steps to fixing it. Here's what you need to know about gas furnace repairs.How Does It Work?Natural or propane gas from an outside source is piped to the furnace where it is burned to produce heat. Usually a fan-driven forced-air distribution system blows the warmed air through ducts that vent into the various rooms of the house. Older gas furnaces use a standing-pilot ignition. Maintenance involves turning off the pilot each spring and relighting it each fall. Newer, more efficient gas furnaces use an electric spark to light the gas as necessary.What Can Go Wrong?Most gas furnaces are quite reliable. What are the symptoms of problems? The furnace may not produce heat or may not produce enough heat. The pilot light may go out repeatedly or refuse to light. The thermocouple may be faulty. The pilot may light but not ignite the burner. The furnace may be noisy. There are some maintenance and a few minor repairs that you can make. However, major service should be left to a trained technician.Fix-It TipTo minimize problems with your gas furnace, take time each month to check the air filter and clean or replace it if necessary. Once a year, clean the blower blades, lubricate the blower motor, and inspect the belt.How Can I Identify the Problem? If there is no heat, check the electrical service panel for a burned fuse or tripped breaker. Relight the pilot light (see below).If there is not enough heat, adjust the burner air shutter (see below); and clean the burner ports (see below).If the pilot light does not light or does not stay lit, clean the pilot orifice carefully with a toothpick, test the thermocouple and replace it if it is faulty (see below).If the flame flickers, adjust the pilot (see below).If there is an exploding sound when the burner ignites, adjust the pilot to a higher setting and clean the pilot orifice and the burner ports.If the burner takes more than a few seconds to ignite, clean the pilot orifice and adjust the pilot light.If the burner flame is uneven, clean the burner ports. If the burner flame is very yellow, clean the burner; open vents in the furnace room to provide more air; adjust the burner air shutter.If the furnace makes a rumbling noise when the burners are off, clean the burner and adjust the burner air shutter.If the air is too dry, wash or replace the evaporator pad if you have a humidifier; test the humidistat; and adjust the water-level float to raise the water level.If some rooms are too cool and others too warm, the distribution system may require balancing. Refer to the Forced-Air Distribution Fix-It Guide at FixItClub.comFix-It TipBe sure your filter is the right size for your furnace.What Parts, Materials, and Tools Do I Need?Some replacement parts for gas furnaces are interchangeable (filters, fasteners) and available at your local hardware store. Others, such as burners and controls, must be purchased from the manufacturer or aftermarket supplier or through a heating equipment supplier listed in your local telephone book.The primary tools you will need for fixing a gas furnace include these:* Screwdrivers* Wrenches* Pliers* Wire brush* MultimeterWhat Are the Steps to Fixing It?To light the pilot on a standing-pilot (always on) ignition system, follow the lighting instructions located near the control. Otherwise, try these steps:Light the pilot:1. Press and hold the pilot control knob to start the pilot. Set the control knob to the pilot position. Hold a long match under the pilot gas port.2. Press the control knob; the pilot should light. Hold the control knob down until the flame is burning brightly (about 30 seconds). Release pressure on the knob, and turn it to the on position.3. If the pilot goes out when you release the control knob, try relighting, holding the control knob down longer. If the pilot again goes out, check the thermocouple (below).Adjust the pilot:1. Remove any cap covering the pilot adjusting screw on a combination control. 2. Turn the adjusting screw counterclockwise to increase the flame or clockwise to decrease it. It is correctly adjusted when the flame envelops the thermocouple bulb by 1/2 inch and appears dark blue with a small yellow tip.Test and replace a thermocouple:1. Hold the control knob to pilot and light the pilot as above.2. Unscrew the thermocouple fitting with an open-ended wrench.3. Set a multimeter to the DVC (lowest voltage) scale.4. Clip one multimeter lead to the end of the thermocouple tube nearest the pilot and the other lead to the fitting on the other end of the tube.5. If the multimeter shows a reading besides zero, the thermocouple is functioning. Replace the thermocouple tube.6. If there is no reading, you will need to clean or replace the thermocouple following steps 7 through 11.7. Release the control knob and shut off the main gas valve on the gas-supply pipe that leads into the burner. Shut off power to the burner at the electrical service panel .8. Remove the thermocouple from its mounting bracket.9. Wipe the combination control clean and install a new thermocouple, tightening it by hand, then give it a one-quarter turn with a wrench.10. Insert the thermocouple into the pilot bracket, being careful to not crimp the tubing.11. Turn on power to the furnace and relight the pilot (above).
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