Best HVAC System: Buying Guide

Buying a new HVAC system is one of the most important purchases you can make for your home. Consumer Reports indicates that more than 75% of U.S. homes use air conditioning, and 90% of new homes are equipped with central air. An efficient HVAC system offers a comfortable environment in which to work, relax and enjoy your home.

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Gathering all the correct information about HVAC systems can be intimidating. With the vast amount of information available online, it’s natural to feel overwhelmed and confused. That’s why we’ve created this guide to help you make an informed buying choice.

What Is an HVAC System?

HVAC stands for Heating, Ventilation, and Air Conditioning. This technology regulates the atmosphere within your home, allowing you to maintain comfortable heating and cooling temperatures. These systems are often referred to by the names of their common components, such as ductless AC units, boilers, central air conditioners, heat pumps, or furnaces.

Types of HVAC Systems

There are four primary types of HVAC systems to consider based on your home’s needs and your budget:

• Split System: This system consists of two main units, one for heating and one for cooling, and is the most common type.
• Hybrid System: An advanced version of the split system, which provides improved energy efficiency with a hybrid electric heater.
• Ductless System: Features an external air conditioner and a heat pump, excellent for homes without conventional ductwork.
• Packaged System: Combines heating and cooling into one unit, typically installed outside in homes without basements.

Factors to Consider When Buying an HVAC System

Home Comfort: Temperature and Air Quality

It's crucial to consider how different heating and cooling units can affect indoor temperature, energy usage, and air quality. For instance, integrating components like UV lights into your HVAC system can enhance indoor air quality. By researching options, you can find the ideal HVAC unit to manage humidity and airborne particles effectively.

Efficiency

With advancements in technology, HVAC systems have become increasingly efficient. Check for system ratings such as the Seasonal Energy Efficiency Ratio (SEER), HSPF, AFUE, and EER; a SEER rating of at least 15 is recommended.

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Capacity

The effectiveness of your HVAC system in heating and cooling your home is measured in BTUs (British Thermal Units). In general, a higher BTU rating indicates greater capacity.

Programmable Thermostat Compatibility

Ensure that the system you select is compatible with a programmable thermostat. This feature allows you to manage your heating and cooling remotely, helping to save on energy bills and extend the lifespan of your system.

Maintenance Requirements

Regular maintenance is essential for optimal HVAC performance. Look for a low-maintenance system and negotiate a service plan that includes regular inspections and discounts on repairs as part of your installation agreement.

Sound Levels

The noise level of an HVAC unit can vary based on the type and installation location. Consult with your HVAC contractor to find a model that fits your noise preferences.

Cost Considerations

Your HVAC choice should focus on providing a comfortable temperature for your home, even if it’s slightly more expensive. While budget is important, prioritize energy efficiency and durability, as cheaper options often lack quality and efficiency.

Understanding HVAC System Costs by Type

The typical cost of an HVAC system varies based on the brand, home size, and installation charges. For example:

A central air conditioning unit costs between $3,350 and $5,950. A conventional heat pump ranges from $4,000 to $8,000, while a geothermal pump can cost from $15,000 to $35,000.

Gas furnaces cost around $1,800 to $4,000; oil furnaces fall between $4,200 and $6,900; and electric furnaces are about $1,600 to $2,500 on average.

How to Select the Right HVAC System

System Size

Choosing the correct size system for your home is vital. Oversized or undersized units can lead to inefficiency and discomfort. Your HVAC technician can conduct a detailed analysis to determine the appropriate size based on various factors, including insulation and sun exposure.

High-Efficiency Options

Invest in the highest efficiency HVAC equipment compatible with your home. Although it may come with a higher initial expense, high-efficiency units can offer significant savings in the long run.

Selecting a Contractor

Choosing a reputable HVAC contractor is crucial as they will customize your system based on individual needs, considering ductwork and indoor air quality requirements. Always confirm that your contractor is licensed and that your contract includes clear terms regarding responsibilities and timelines.

Indoor Air Quality Additions

Consider adding IAQ components like humidifiers and advanced air filtration systems, which contractors often provide at a discounted rate when they install a new system.

Review Warranties

Take time to compare warranties from different manufacturers and contractors. Having a comprehensive warranty can significantly ease the burden of repairs and replacements.

Heater Buying Guide

British Thermal Units (BTU) measure the heat output of a unit and determine the space it can effectively heat.

Variable Settings allow users to adjust the heat output and energy consumption, providing energy conservation during milder conditions.

Built-In Blowers ensure even heat distribution, enhancing comfort while saving energy.

Portability helps to provide additional heating to specific areas of your home.

Safety Features, such as automatic shut-offs and heat guards, enhance the user-friendliness and security of heating units.

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