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bovio rubino furnace sizing infographic
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One of the most important factors in finding the right heating system for your home is size, and yet an improperly-sized oil, electric, or gas furnace is one of the most common problems that homeowners face.

The Problem with Undersized Furnaces

Furnaces that are too small will always be playing catch-up.

  • Your furnace will be constantly running
  • You’ll be using more energy and spending more money on heating
  • Added wear and tear will shorten your furnace’s lifespan

The Problem with Oversized Furnaces

Furnaces that are too big short cycle, turning on and off again over and over.

  • Your home will have uneven comfort levels
  • Short cycling reduces furnace lifespan
  • Efficiency drops, increasing energy costs

The Benefits of a Correctly Sized Furnace

  • Lower energy bills
  • A more comfortable home
  • Longer furnace lifespan and fewer repairs 

How Do You Find Out What Size Furnace You Need?

Correctly sizing a furnace for a home involves considering a number of factors, including:

  • Square footage of the house
  • Climate zone
  • Number of windows
  • Insulation levels

What Do BTUs Have To Do with Furnace Sizing? 

You also need to consider the efficiency and capacity of your new furnace. This is commonly measured in a BTU rating. Your furnace’s British Thermal Unit rating illustrates how much energy your furnace takes to produce heat, which indicates how powerful your furnace is.

A common mistake is assuming that the higher the BTU rating, the better a furnace will heat your home. But bigger isn’t always better when it comes to furnace sizing—it requires a careful balancing of many factors.

Trust Your Home’s HVAC to Bovio Rubino Service

Some HVAC contractors will cut corners when it comes to furnace sizing, or upsell you on a bigger and more expensive furnace than you actually need. At Bovio Rubino Service, we take the time to correctly size every furnace installation job to help our customers find the best HVAC solution.

Find the correctly-sized furnace for your New Jersey home. Call (888) 258-4904 or contact Bovio Rubino Service today for a free estimate.

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