Oversized AC Unit Problems: Why a Bigger Air Conditioner Isn’t Always Better

When it comes to air conditioning, many St. Louis homeowners assume that bigger means better. It might seem logical that a larger unit would cool your home faster and more effectively. However, the reality is quite the opposite. Oversized AC unit problems can include a variety of comfort and performance issues, leading to wasted energy, inconsistent temperatures, and costly repairs. At Galmiche & Sons, we specialize in helping homeowners make informed decisions about their HVAC systems. With over 70 years … Continue reading Oversized AC Unit Problems: Why a Bigger Air Conditioner Isn’t Always Better

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How Undersized Air Conditioner Units Fail Your Home and What to Do About It

Choosing the right air conditioner for your home is one of the most important decisions a homeowner can make to ensure comfort and energy efficiency. However, many St. Louis homeowners unknowingly suffer the consequences of an undersized air conditioner. While a smaller unit may seem more affordable up front, it often leads to higher energy costs, reduced comfort, and unnecessary wear on the system. At Galmiche & Sons, we help homeowners throughout the St. Louis area avoid these common mistakes … Continue reading How Undersized Air Conditioner Units Fail Your Home and What to Do About It

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Choosing the Right AC Size for Older Homes with Poor Insulation

Finding the right AC size for older homes can be a unique challenge. Many historic or mid-century homes in the St. Louis area were built before modern energy codes existed, meaning they often lack the insulation, window efficiency, and airtight construction of newer builds. As a result, these homes tend to lose cool air more quickly, making it difficult for improperly sized air conditioners to keep them comfortable. At Galmiche & Sons, we bring over 70 years of HVAC expertise … Continue reading Choosing the Right AC Size for Older Homes with Poor Insulation

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Air Conditioner Sizing for New Construction: Plan Right from the Start

Building a new home is an exciting opportunity to design everything to your preferences, including the HVAC system. One of the most important yet often overlooked aspects of new home planning is air conditioner sizing for new construction. When sized correctly during the planning phase, your AC system will deliver long-term comfort, energy efficiency, and reliability. At Galmiche & Sons, we have decades of experience helping homeowners and builders throughout the St. Louis area design HVAC systems that perform at … Continue reading Air Conditioner Sizing for New Construction: Plan Right from the Start

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AC Sizing for Two-Story Home vs. Ranch-Style House: How Home Layout Impacts Air Conditioner Sizing

When it comes to selecting the right air conditioning system, home layout plays a major role in determining the ideal size and configuration. Whether you own a two-story house or a ranch-style home, understanding how your floor plan affects airflow and cooling load is essential for long-term comfort and efficiency. So how do you determine the best AC sizing for your two-story home? At Galmiche & Sons, we have been helping St. Louis homeowners find properly sized AC systems for … Continue reading AC Sizing for Two-Story Home vs. Ranch-Style House: How Home Layout Impacts Air Conditioner Sizing

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Why Manual J Calculation is Crucial for AC Sizing Accuracy

When it comes to installing a new air conditioner in your home, proper sizing is essential. One of the most accurate and widely accepted methods for determining the right size is the Manual J calculation. This load calculation is a standard established by the Air Conditioning Contractors of America (ACCA) and is used by professional HVAC contractors to evaluate the heating and cooling requirements of a home. At Galmiche & Sons, we rely on Manual J calculations for every residential … Continue reading Why Manual J Calculation is Crucial for AC Sizing Accuracy

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What Size Air Conditioner Do I Need for My Home? A Room-by-Room Breakdown

When it comes to installing a new air conditioning system, choosing the right size is one of the most important steps. Homeowners often ask, “What size air conditioner do I need?” The answer depends on several factors including square footage, room function, ceiling height, and home insulation. At Galmiche & Sons, we help St. Louis homeowners make smart, efficient choices when it comes to cooling their homes. To learn more about air conditioner sizing and for help selecting the best … Continue reading What Size Air Conditioner Do I Need for My Home? A Room-by-Room Breakdown

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The Key to Proper Air Conditioner Sizing: BTU Guide

When planning to install a new air conditioning system in your St. Louis home, one of the most critical considerations is air conditioner sizing BTU. BTU stands for British Thermal Unit, a measurement of energy that plays a direct role in determining how much cooling power your system will deliver. Choosing an air conditioner with the right BTU rating ensures maximum comfort, energy efficiency, and longevity for your system. At Galmiche & Sons, we bring over 75 years of HVAC … Continue reading The Key to Proper Air Conditioner Sizing: BTU Guide

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How St. Louis Weather Affects Air Conditioner Size Requirements

When selecting a new air conditioning system, it is not enough to simply consider your home’s square footage. Climate plays a major role in determining the correct air conditioner size requirements. For homeowners in the St. Louis area, the hot, humid summers and variable seasonal changes mean proper sizing is essential for both comfort and efficiency. At Galmiche & Sons, we specialize in custom HVAC solutions tailored to St. Louis weather conditions. Serving the local St. Louis area since 1950, … Continue reading How St. Louis Weather Affects Air Conditioner Size Requirements

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Air Conditioner Sizing 101: How to Avoid Costly Mistakes When Choosing Your AC

When it comes to buying or upgrading an air conditioning system, one of the most important factors is proper sizing. Air conditioner sizing refers to determining the correct capacity of the system required to effectively and efficiently cool your home. At Galmiche & Sons, we help homeowners in the St. Louis area make informed decisions that avoid costly sizing mistakes and maximize long-term comfort. To learn more about air conditioner sizing or for help selecting the best new air conditioner … Continue reading Air Conditioner Sizing 101: How to Avoid Costly Mistakes When Choosing Your AC

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