SEER Rating and AC Size: How SEER Ratings Affect Air Conditioner Sizing and Performance

When planning a new air conditioning installation or upgrade, two terms will inevitably come up: SEER rating and air conditioner size. These factors are not just technical specs. They directly impact your comfort, energy bills, and system longevity. At Galmiche & Sons, we help homeowners throughout St. Louis make smart, informed choices that maximize comfort and efficiency. In this guide, we explain the connection between SEER rating and AC size, how they affect performance, and what you need to consider … Continue reading SEER Rating and AC Size: How SEER Ratings Affect Air Conditioner Sizing and Performance

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Mobile Home AC Units: Air Conditioner Size Guide for Mobile and Manufactured Homes

When it comes to cooling a mobile or manufactured home, choosing the right air conditioner is not just about comfort, it’s about efficiency, longevity, and saving money on energy costs. The unique construction and layout of mobile homes present different challenges than traditional site-built homes, which makes correct mobile home AC sizing absolutely critical. At Galmiche & Sons, we have decades of experience helping homeowners across the St. Louis area find the perfect cooling systems for every home type including … Continue reading Mobile Home AC Units: Air Conditioner Size Guide for Mobile and Manufactured Homes

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Ductless Mini-Split Air Conditioner Sizing Guide for Single Rooms & Additions

Smart Cooling Starts with Proper Mini Split Air Conditioner Sizing When it comes to keeping individual rooms, home offices, sunrooms, or new additions comfortable year-round, a ductless mini-split air conditioner is often the perfect solution. But choosing the right unit is not as simple as picking one off the shelf. Sizing your system correctly is essential to performance, efficiency, and long-term value. At Galmiche & Sons, we’ve helped St. Louis area homeowners select and install the ideal ductless systems for … Continue reading Ductless Mini-Split Air Conditioner Sizing Guide for Single Rooms & Additions

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Air Conditioner Sizing for Zoned Systems: What You Need to Know

When it comes to heating and cooling larger homes or homes with multiple floors or room uses, a zoned HVAC system is often the most efficient and effective solution. However, to get the performance and comfort you expect, it’s critical that your system is properly sized. At Galmiche & Sons, we specialize in air conditioner sizing for zoned systems in the St. Louis area, ensuring homeowners enjoy balanced temperatures, improved efficiency, and lasting equipment performance. This guide will walk you … Continue reading Air Conditioner Sizing for Zoned Systems: What You Need to Know

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AC Sizing for Home Additions: What You Need to Know When Adding a Room or Remodeling

Plan Ahead to Keep Every Square Foot Comfortable When planning a home addition, sunroom, garage conversion, or major remodel, most homeowners focus on layout, finishes, and functionality. But one of the most overlooked yet critical steps is ensuring your air conditioner can keep up with the added space. At Galmiche & Sons, we help homeowners throughout the St. Louis area correctly assess their HVAC needs when expanding their homes. In this guide, we break down what you need to know … Continue reading AC Sizing for Home Additions: What You Need to Know When Adding a Room or Remodeling

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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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