HVAC appliances need to be serviced on a regular basis to ensure they perform optimally and energy-efficiently. The unit will also break down less frequently and have a longer lifespan. To get the best gas furnace service, it is recommended you make a list of the top heating companies in the city that have specialized in gas furnaces. Their experiences and reputation should be compared to identify the best service provider for your needs.
During servicing, cleaning is usually done on the furnace. Lubrication of moving parts must also be done. Most firms also recalibrate the thermostat and replace worn out parts. Since you have limited financial resources, you also have to compare the fees charged by different firms before you decide to commit yourself. You can expect to get the best possible furnace maintenance when you hire a NATE certified contractor, so be sure to keep this in mind.