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PHONE 85â€"3770 "d x 32W NERS OUR ALL Wdxacw d x 24" w) 11°0 x 24 w) #1, Waterloo PRICED RIGHT House s hhovv ols wy ul /AYS, 37.95 trees and shrubs. $1.50 I:} â€"50 +$9.95 $9.95 +6.95 & 412 â€"| Summer Home & Garden The comfort of central air conditioning is undeniâ€" able. Today‘s consumer should be aware, however, that there are many factors, beside comfort which should be considered with the purchase of a central air conditioning system. ‘These factors include the sound level of the outdoor wmmmm«m ®and the compatibility of this equipment with the enviâ€" ronmt.l-_leremmhel;fnlhinutohopinmhd when considering purchase options. CHOOSE THE RIGHT SIZE OF SYSTEM FOR YOUR HOME. In order to achieve comfortable cooling and dehuâ€" midification, the system must be correctly sized. The size of central air conditioning systems is measured in tons (one ton = 12,000 BTU/HR). The unit "ton" origiâ€" nated many years ago and is based on the amount of ice required to achieve the required cooling. The folâ€" lowing is a rule of thumb guideline for sizing residenâ€" tial systems. House size Size of Central Air System 1,000â€"1,500 sq. ft. 1 1/2 ton (93â€"139 sq m) 1,500â€"2,000 sq. ft. 2 ton (139â€"186 sq m) 2,000â€"2,500 sq. ft. 2 ton (186â€"232 sq m) Keep in mind that this is only a guideline and that skylights, type of insulation, the number and size of significatly affect the size of system required. Your ing the site inspection. Another factor that the conâ€" tractor must consider is whether the duel system and furnace fan have the ability to handle the air flow needed for central air conditioning. Alterations may be needed. Again, the contractor will make the correct recommendation here. PICK A UNIT THAT IS INEXPENSIVE TO RUN Almost all central air conditioning equipment is relâ€" atively inexpensive to operate in Ontario. A system needed to cool a 1,500 sq. fo. (139 sq m) home (two ton system) would cost approximately $150 Air conditioning for the ‘90s Don‘t Let Other Air Conditioner Companies Dump Their Problems In Your Lap. Kâ€"W Area Your Independent Lennox Dealer 1 Every Lennox air conditioner meets 1993 _ _ Energy Standards. That‘s something not #)z. _ everyone can claim. Some companies % are still selling obsolete equipment, so sz don‘t get caught holding yesterday‘s ' 3 _ technology. Call your Lennox dealer £ today for the most upâ€"toâ€"date equipment on the market. CRONIN EMERY MECHANICAL LTD. per year at 7.6 cents per KWH. ‘The efficiency of central air conditioning equipment is compared using a S.E.E.R. value. SE.E.R. stands for seasonal energy efficiency ratio and the higher the number the more efficient the equipment. A S.E.E.R. value of nine has been set as a minimum Ontario perâ€" formance standard. Some manufacturers offer equipâ€" ment with S.E.E.R. values of 10, 11 or higher. An increase in S.E.E.R. value from 9 to 10 repreâ€" sents an increase in efficiency of approximately 11per cent and a reduction in operating cost of approxiâ€" mately 11 per cent. For a homeowner, in southern Ontario, with a twwo ton system ($150 seasonal electric cost), this would represent a saving of $16.50 per year. CHOOSE A UNIT THAT IS QUIET ers and you don‘t want an angry neighbor calling to complain about the noise. Features to look for which contribute to quiet operaâ€" tion are: *A two speed fan on the outdoor section, with high ods (e.g. automatic switch over above 90 degrees F) *A large diameter fan on the outdoor unit to effiâ€" ciently expel heat at lower rpms (revolutions per minute). +A separate insulated compartment, for the comâ€" pressor, to reduce compressor noise. Most manufacturers display sound rating data, measured in BELS on their product brochures. A value of 7.6 BELS has been set as an Ontario perforâ€" mance standard. These BEL ratings can be used to compare one brand to another. A rating of 7.2 or lower is exceptionally quiet and above 7.8 is usually unacâ€" ceptable to most municipalities. Proper location of the outdoor unit will also have a big effect on noise level. Avoid locating the unit between two houses (less that 15 feet, 4.6 m apart), avoid car ports, avoid alcoves where two brick walls meet at right angles. If the above locations cannot be avoided, a five foot (1.5 m) high fence, solid wood or concrete, will reduce the (Continued on page 18) 763â€"6140 1LENNOX Naest be a~ e ne e Aeekere oc e m e riee MarnacHÂ¥ .$ Â¥1 & °2