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Recommended Air Conditioner Size | ||
Bungalow | Built after year 1980 | Built before year 1980 |
Up to 1,200 sq-ft | 1.5-ton | up to 2-ton |
1,200 to 1,500 sq-ft | 2-ton | 2-ton |
1,500 to 1,800 sq-ft | 2-ton | up to 2.5-ton |
1,800 to 2,500 sq-ft | up to 2.5-ton | 2.5 to 3-ton |
2,500 to 3,500 sq-ft | 3 to 3.5-ton | 3.5 to 4-ton |
Semi-Detached 2-Storey Home | Built after year 1980 | Built before year 1980 |
Up to 1,500 sq-ft | 1.5-ton | up to 2-ton |
1,500 to 1,800 sq-ft | up to 2-ton | 2-ton |
1,800 to 2,200 sq-ft | 2-ton | up to 2.5-ton |
2,200 to 3,000 sq-ft | 2.5-ton | 2.5 to 3-ton |
Detached 2-Storey Home | Built after year 1980 | Built before year 1980 |
Up to 1,300 sq-ft | 1.5-ton | up to 2-ton |
1,300 to 1,700 sq-ft | 1.5-ton | 2-ton |
1,700 to 2,500 sq-ft | 2 to 2.5-ton | 2.5-ton |
2,500 to 3,500 sq-ft | 2.5 to 3-ton | 3 to 3.5-ton |
3,500 to 4,500 sq-ft | 3.5 to 4-ton | 4 to 5-ton |
Ottawa East | ||
K1B | Ottawa Center | |
K1C | K1R | |
K1E | K1S | |
K1G | K1X | |
K1H | K1Y | Ottawa West |
K1J | K2A | K1T |
K1K | K2B | K1V |
K1L | K2C | K2H |
K1M | K2E | K2J |
K1N | K2G | K2K |
K1T | K2P | K2L |
K1V | K4K | K2M |
K1W | K4M | K2R |
K4A | K4P | K2S |
Size of Cabin Filter depends on volume flow of the Blower Motor as shown below. Volume flow is usually measured in Cubic Feet per Minute (CFM). | ||
Furnace Max Air Flow: | Minimum Filter Cabin Size | Recommended Filter Cabin Size |
up to 800 CFM | 16 × 25 × 1 | 16 × 25 × 5 |
up to 1200 CFM | 16 × 25 × 1 | 16 × 25 × 5 |
up to 1600 CFM | 20 × 25 ×5 | 20 × 25 × 5 |
up to 2000 CFM | 20 × 25 × 5 | 20 × 25 × 5 |
5” Media Air Cleaner and 1” Filter Compared | ||
5” Media Air Cleaner | 1” Filter | |
MERV (ability to capture particles) | MERV 11 | MERV 8 |
MPR (ability to capture particles) | 1200 | 300 |
Restricts air flow | low | high |
Replacing time | Every 6 months | Every 2 months |
Effect on furnace efficiency | Increases furnace efficiency | Reduces furnace efficiency |
Price | $49/filter → $98/year | $19/filter → $114/year |
ECM, DC motor furnace | Increases the efficiency and life-span of the furnace | Furnace not working well, more service call, Reduces efficiency |
Undersized filter will result in: