Choosing the right HVAC system size for your home is crucial. It has a big impact on your ability to enjoy your home and your power expenses. In this HVAC sizing guide, the specialists at B&D Air Conditioning will explain how to determine the correct size of heating and cooling system for your home, what factors they take into account and why picking the most suitable size HVAC is so important to your comfort.

How Does HVAC System Size Affect Your Home Comfort and Efficiency

Proper HVAC size is different from home to home. Your HVAC system needs adequate heating and cooling capacity to make your entire home cozy. It shouldn't have to work extremely hard to keep up in extremely hot or frigid weather. However, an HVAC system that's too big is inefficient, wastes money and can lead to complications that make your home less comfortable.

Crucial Factors Pros Consider for HVAC Sizing in Safford, AZ

To select the right HVAC system size for a home, the HVAC installation specialists at B&D Air Conditioning carry out a Manual J load calculation to determine how many British Thermal Units (BTUs) are required to heat and cool and the home. A Manual J calculation evaluates several factors, such as:

  • Square footage: The size of the home is arguably the most crucial factor in choosing the size of your HVAC system. How much space will your new HVAC system be required to keep comfortable?
  • Home insulation: A fully insulated home retains the indoor temperature more efficiently, which can influence how much heating and cooling power you need.
  • Regional Climate: The local climate in Safford, AZ, has an important role in identifying the correct size HVAC. Homes in hotter climates may require a system with an increased cooling capacity, while cooler regions may need less.
  • Number of windows: Windows can be a considerable source of energy loss. The number, dimensions, type of glass used, and whether they’re single paned or double paned can significantly influence heating and cooling requirements.
  • Sun and shade: A home that receives a substantial sunlight will naturally be warmer than one that doesn't, which influences central air sizing. Home placement in relation to prevailing winds and number of nearby shade trees also affect the appropriate HVAC size.

HVAC Size Mistakes Homeowners Often Make

A common mistake homeowners make when determining the size of their HVAC system is to base their decision on square footage. While the square footage of your home has a major impact on what size HVAC you need, other considerations also influence how much heating and cooling capacity is necessary to keep your home comfortable.

Another typical mistake is not employing a professional. It's vital to have an experienced HVAC technician conduct a Manual J calculation, which takes all the essential elements into consideration to establish the correct HVAC size.

Why Is Your Home HVAC System Size Important?

An inadequately sized system can result in comfort problems and drive up your monthly power bills. Here's a deep dive into the pitfalls of a incorrectly sized HVAC:

Undersized HVAC system problems:

  • Less longevity and breakdowns: HVAC systems that are too small often run constantly to try to heat or cool a home, leading to excessive wear and tear. This can cause breakdowns and even require premature HVAC replacement.
  • An uncomfortable home: Small HVAC systems lack the necessary capacity to heat and cool your entire residence, which can result in hot, stuffy rooms or areas of your home that are far too cool.
  • Increased energy bills: An underpowered HVAC system that operates nonstop trying to keep up uses more energy, running up your monthly power bills and costing you money. A properly sized and energy-efficient HVAC system uses less power and helps to reduce your monthly bills.

Oversized HVAC system problems

  • Wasted money: Larger HVAC systems typically have a higher purchase price, so buying more heating and cooling capacity than your home needs is a waste of money.
  • Less service life and breakdowns: HVAC systems that are excessively large often start and stop frequently, referred to as short cycling. This can lead to wear and tear on your machine, shortening its service life or requiring HVAC repair.
  • Humidity issues: An HVAC system should control the moisture level in your home, but an oversized HVAC system often completes its cycle before it has time to accomplish that task. This can result in indoor air quality issues, and encourage the growth of mildew or mold.

Get Help Replacing or Sizing Your Home HVAC System from B&D Air Conditioning  

Now that you have learned some of the aspects of your home that impact what HVAC system size is right for you, it's time to select a new heating and cooling system. B&D Air Conditioning is here to help.

We’ll evaluate your home and give you a free, no-obligation estimate for HVAC installation. We’ll assess your home to identify the ideal HVAC system size for you, so you can enjoy a cozy environment every day of the year.

Call 928-432-6018 today to schedule your free estimate for HVAC installation in Safford, AZ.