a new or furnace can . to find the best HVAC system for your home, it's to models with efficiency ratings.

the most efficient the most comfort and lowest energy bills, right?

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the only thing when it comes to new air conditioner installation or . focus only on , proper HVAC system sizing is more important for your home's comfort and your bills.

Proper sizing humidity control and . The best HVAC system for your home and .

In this , we'll explain what an air conditioner's SEER rating or SEER2 rating actually measures, why is so important and why consider both when the best HVAC system for your home.

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A SEER rating, (Seasonal Energy Efficiency Ratio), how cools your home over a cooling season. A SEER2 rating is the version of SEER, using that better real-world operating conditions. new air conditioners have a , simply because is the rating system for cooling equipment.

Fuel-burning heating system efficiency is by , which for Annual Fuel Utilization Efficiency. , higher AFUE ratings indicate a high-efficiency HVAC system that uses less electricity to than lower-rated systems under standardized laboratory testing.

high don't guarantee lower utility bills. heating and air conditioner efficiency depends on , including the , the of your ductwork, , thermostat settings and, most importantly, . Even the system cannot if it is or for the home.

Why Matters More Than

Many assume a air conditioner or furnace will or that they should replace their old HVAC system with a . , new heating system installation or should be based on your home's heating and cooling needs—not just square footage or the .

That's why reputable an HVAC load calculation, also called a Manual J calculation, before replacement equipment. A Manual J calculation many that your home's , including:

  • square footage
  • height
  • Window size and
  • climate
  • occupants
  • appliances and lighting
  • condition

A properly sized air conditioner runs to cool your home while excess humidity. That means temperatures, better indoor comfort and improved . the equipment to more effciently, reducing that can or lead to .

When is , you get comfort and .

Problems Oversized and Undersized

to buy the most energy efficient, air conditioner or heating system on the market. a .

systems that are or can create , increase and reduce efficiency regardless of their SEER rating.

Oversized HVAC Systems

An oversized air conditioner or heating system may , but that doesn't mean it .

  • Short cycling: An oversized HVAC system , reducing efficiency and increasing .
  • : Oversized air conditioners to remove from the air.
  • : Some rooms while others .
  • : Even though the system , those can cause avoidable breakdowns due to the strain.

Undersized HVAC Systems

An undersized HVAC system :

  • : The system trying to reach the , which also causes .
  • : Your home may during hot weather or .
  • : Running can increase .
  • : HVAC systems that are too small can in extreme temperatures, increasing and the .

Efficiency and Size

When high SEER vs right-sized system, that you don't need the model on the market.

, a sized, mid-efficiency system will an premium system because it the way it was designed to.

The choice is an energy-efficient HVAC system that's for your home, your budget, your climate and your .

how to choose a new air conditioner or furnace, :

  • : Higher-efficiency and right-sized systems can electricity use.
  • : High-efficiency AC and heating systems often than mid-range models but can long-term energy costs.
  • : Areas with may see long-term savings from higher-efficiency units.
  • : It's your heating or cooling system has capacity to handle areas with or .
  • : If you in your home for many years, the long-term energy savings of a higher-efficiency unit may the investment.
  • : Manufacturer promotions, {utility|equipment rebates and tax credits can the overall cost of .

Real-World : High Seer vs. Right System Size

in ?

two neighboring homes.

, the homeowner chooses a premium high-efficiency HVAC system because the contractor the previous unit. installs a sized, system after completing a Manual J calculation.

the second system has a efficiency rating on paper, it may lower operating costs, better home comfort, humidity control and because it's to the home's needs.

HVAC Professional Who Designs

should involve selecting with the efficiency rating. system is one that meets heating and cooling requirements.

At Web Connect Demo, our perform an HVAC load calculation. evaluate your home's , your household's and recommend equipment that's for your home—not simply the , unit or the one with the highest AFUE or SEER2 rating.

Our will any available and provide information about HVAC financing options that make more accessible for all budgets.

Schedule an HVAC consultation online with Web Connect Demo . evaluate your home, answer questions and help you choose the sized system that keeps your family comfortable for .

Frequently Asked Questions about

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An with a higher {SEER rating or SEER2 rating can energy efficiency, but only if is properly sized and professionally installed. A high efficiency HVAC system that's too or too small may and provide less comfort than a properly sized system with a lower rating.

An oversized air conditioner your home too quickly, causing it to , short cycling. Short cycles humidity control, create uneven temperatures, increase wear on the equipment and can .

A Manual J calculation is the method for determining for a home. It factors such as , insulation, windows, air leakage, ceiling height, and local to calculate the home's heating and cooling needs.

. Replacing your with one same size isn't always the . such as new insulation, windows, room additions, air sealing or ductwork modifications can your home's heating and cooling . a new HVAC load calculation before every HVAC installation or replacement.

proper sizing. A provides comfort, humidity control, efficiency and . , choose the highest efficiency that fits your budget, climate and comfort .

. A higher-SEER air conditioner can cooling costs because it uses less energy under normal operating conditions. , actual savings depend on proper HVAC installation, HVAC system sizing, , home insulation and how you use your thermostat.

. An oversized air conditioner often cools home so enough moisture from the air. The result? Your home reaches the desired temperature but because of high indoor humidity.