Make oil furnace more efficient YOU CAN now buy oil furnaces with steady-state efficiencies of more than 90 per cent. And effective servicing and upgrading can raise the steady- state efficiency of an older oil fur- nace to nearly 80 per cent. Steady-state efficiency is a measurement of the heat a furnace delivers during péak stages of eperation A second measurement, seasOnal efficiency, rates the per- formance of a furnace over the en- tire heating season. © The latter can only be calculated under controlled conditions in a laboratory. Determining the steady-state ef- ficiency of your furnace is as sim- ple as requesting an efficiency test by a service technician. The tests can usually be worked into a routine service or maintenance call and will outline how much work is needed to achieve optimum fur- nace performance. Annual servicing is the key to ongoing efficient and safe perfor- mance. During a typical visit che technician will perform the follow- ing routine tasks, all of which af- fect furnace efficiency. © Inspect and clean the flue pipe and chimney base: These must fit tightly, be clean and be in good repair. © Clean the heat exchanger: Oil furnaces produce a certain amount of soot that collects on a variety of surfaces, including the heat ex- changer. e Adjust fan drive belt tension: This ensures more efficient circula- tion of heat. e Clean or replace air filters: Generally part of a service call, this should also be done monthly during the‘heating season. ® Adjust the oil burner: A pro- perly adjusted burner is essential for energy-efficient operation, Downsizing the oil burner nozzle may also be recommended if the furnace is generating more heat that the house requires. Reducing the size of the oil burner nozzle, which injects a fine spray of fuel into the furnace’s .combustion chamber, can often result in fuel savings of five per cent or more.’ © A smaller nozzle produces less heat in the combustion chamber but allows the furnace to work more efficiently. The smaller noz- zle ‘also’ causes the furnace to . operate slightly longer when it comes on — so it needs to come on less often. This is important since the Start-up and wind-down are the least efficient stages of the heating . cycle. + Finally, the technician may ad- just the fan control temperature setting so the fan will start earlier in the firing cycle and run ‘longer after the furnace has shut off. This ensures that warm air remaining in the furnace is distributed _ throughout the house rather than being lost up the chimney. ’ There are several steps you can take yourself to make the furnace operate more efficiently. YOUR HARD LANDSCAPING SPECIALISTS RETAINING WALL SYSTEMS’ INTERLOCKING - PAVERS FACTORY USED SECONDS from only 79° sq. ft. TIES Air filters should be changed or cleaned every month during the heating season. Keep air registers clean and unobstructed, insulate duct work. You can also effectively lower your heating bills by insulating RAILWAY FROM 54%%a, See Vent all duct work that passes through _Page 16 cool areas and tape the joints of all PROGRESS PAINTING 25 Years Experience Paint up for Spring Beat the Rush! Enjoy your summer! INT. & EXT. PAINTING WALL COVERING 987-8764 Probably the best, you will agree! “ at the difference Quality makes! Dan’s Back, and so is QUALITY cleaning; at a FAIR PRICE Dan Logan is back on the North Shore, after an absence ‘S A ¢ of 3 years. ¢ 26 years of experience insures you of the highest standards. ¢ Past President of the BC. 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