Maintaining residential heating systems is an easy proposition if you have the right contractor do the job. By regularly inspecting central heating components, you'll extend the life of your system and also keep it running as efficiently as possible.
Not all furnace tune up services are alike. Before you use an HVAC contractors services, make sure that the company's technicians perform these essential functions to maintain the health of your furnace.
Make Sure That Skilled Technicians Will Perform The Following Tasks:
1. Clean and check burners to ensure smooth ignition as dirty burners prevent efficient use of fuel.
2. Clean and check pilot and tube to make sure the flame is not too large or small. Large flames waste gas and cause dirt. Small flames can affect start-up.
3. Check flame baffles or ribbons to make sure that flame is spread evenly across heat exchanger length. Hot spots in this area can cause sooting or cracks in the metal.4. Set manifold gas pressure to ensure proper fuel input to furnace burners. This is an essential safety task that helps prevent costly repairs.
5. Set burner air adjustment to allow for the proper mix of air and fuel prior to ignition.
6. Check gas input to make sure that the furnace is running at peak efficiency.
7. Check fan control because through normal usage this component can go out of alignment by as much as 30%. Technicians should assure that the fan comes on and goes off at predetermined levels to deliver the proper air temperature.
8. Inspecting the gas valve for leaks and signs of corrosion is another safety consideration. Technicians should listen for chattering and gas flow restriction. This task also prevents expensive emergency calls.
9. Check pilot safety, thermocouple and spark ignition as burners will shut down and not allow gas to come into the home if these devices aren't working properly.
10. Inspect the combustion chamber for proper operation as well as sooting, cracks and deformities that could cause the release of carbon monoxide into the building.
A Few Extra Things
Other areas that technicians should check include temperature rise, blower motor and bearing check and lubrication, wiring assembly, air filtration system, flue and venting, thermostat contacts, voltage and amperage, safety interlock switch, ducts and most importantly, perform a carbon monoxide test.
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