How to Choose the Right Furnace: 10 Expert Tips


Choosing the right furnace for your home, such as efficient furnaces or new furnaces, is crucial to ensure optimal comfort and efficiency. Whether you opt for central furnaces or a heat pump, making the right choice will greatly impact your home’s heating system. With so many options available, it can be overwhelming to navigate through the process of selecting and installing efficient furnaces and HVAC systems. This guide will provide you with essential information on how to choose the right furnace for installation, considering various factors and considerations. Whether you are looking for efficient home heating or a central HVAC system, it’s important to make an informed decision.

When selecting a furnace, it’s important to consider factors such as the size of your home, fuel type (electric or gas), energy efficiency ratings, and compatibility with your existing HVAC system. With multiple options available, including central furnaces and speed furnaces from Trane, you can find the perfect fit for your needs. Understanding your heating needs is essential when buying a new furnace. Consider factors such as ductwork requirements and thermostat compatibility during the furnace installation process. This HVAC system buying guide will help you make an informed decision.

By following this comprehensive furnace buying guide, you’ll gain valuable insights into different types of HVAC systems available in the market, including heat pumps and advanced models like the Trane S9V2. Whether you’re looking to purchase a new HVAC system or find an HVAC partner, this guide will provide you with the information you need. Whether you’re looking to upgrade your current heating system or install a brand-new furnace, this guide will equip you with the knowledge needed to make an informed decision for a comfortable and efficient furnace installation.

Factors that Determine Your Furnace Decision

Energy Efficiency Ratings and Their Impact on Long-Term Costs

One important factor to consider when choosing the right central furnace for installation is its energy efficiency rating. It is crucial to work with a reliable HVAC partner who can guide you in selecting the best HVAC system for your needs. At our company, we proudly offer Trane furnaces that are known for their exceptional energy efficiency. This rating, known as the Annual Fuel Utilization Efficiency (AFUE) rating, measures how efficiently central furnaces, like Trane’s HVAC system, convert fuel into heat. It is expressed as a percentage. The higher the AFUE rating of central furnaces, the more efficient the HVAC system is, resulting in lower operating costs over time. Trane furnaces have a high AFUE rating, up to 98 percent.

In the furnace buying guide, there are a few key points to keep in mind when considering different models and systems. One important factor to consider is the cost of the furnace.

  • A higher AFUE rating means greater energy efficiency and lower operating costs when choosing a new furnace. It’s important to consider the perfect furnace size for your home by referring to a furnace buying guide.

  • Trane furnaces with AFUE ratings of 90% or above are considered highly efficient systems. These units address comfort concerns effectively.

  • While Trane furnace systems with higher AFUE ratings may have a higher initial cost, they can save you money in the long run by reducing your monthly energy bills. This is especially important for those who have comfort concerns.

Considering these factors in the furnace buying guide will help you make an informed decision based on your budget and long-term goals for a new furnace system. It’s important to address comfort concerns when choosing the right furnace. When purchasing a new furnace, it’s crucial to consider both the upfront costs and potential savings in operating expenses. This furnace buying guide will help you find a system that addresses your comfort concerns.

Considerations for Climate and Region-Specific Needs

Another crucial factor to take into account when selecting a furnace system is your climate and region-specific comfort concerns. Different areas have varying temperature ranges throughout the year, so it’s essential to choose a furnace system that can adequately handle those conditions and address any comfort concerns.

Here are some considerations for buying a new furnace and choosing the right system based on climate and region-specific needs.

  • If you live in an area with harsh winters and extremely cold temperatures, you’ll want a high-capacity furnace system to ensure your home stays warm.

  • On the other hand, if you reside in a milder climate where winters are less severe, you may not require as powerful of a furnace system.

  • When purchasing a new furnace, it’s important to consider factors such as humidity levels or air quality concerns specific to your region. This furnace buying guide will help you make an informed decision about which system is best for your needs.

By taking these aspects into consideration, you can select a furnace system that aligns with your specific climate needs while ensuring optimal comfort throughout the year.

Budget Constraints and Available Financing Options

When choosing a furnace for installation, it is crucial to consider budget constraints. The system you select should align with your financial limitations. Furnace system prices can vary significantly depending on factors such as system size, efficiency rating, and additional features. When purchasing a new furnace, it’s important to follow a furnace buying guide to determine your budget and explore financing options if needed.

Here are some key points to keep in mind when buying a new furnace and considering budget constraints.

  • Determine your maximum budget for furnace installation, including any additional costs for ductwork or modifications to the system.

  • Research different furnace models and compare their initial costs, energy efficiency ratings, long-term operating costs, and system.

  • Explore financing options such as low-interest loans or rebates when purchasing a new furnace. These options can help offset the upfront expenses of buying a furnace. Consider using our furnace buying guide to find the right system for your needs.

By considering your budget constraints and exploring available financing options, you can find a furnace system that not only meets your heating needs but also aligns with your financial situation.

Top Tips for Picking the Right Furnace

Researching reputable brands and manufacturers

When choosing a furnace for installation, it’s crucial to do your homework and research reputable brands and manufacturers. Look for companies that have a solid reputation in the industry and are known for producing high-quality furnaces. Check out customer reviews and ratings for a new furnace to get an idea of the experiences others have had with different brands. Use this furnace buying guide to make an informed decision.

Seeking professional advice from HVAC experts or contractors

Don’t underestimate the value of seeking professional advice. HVAC experts or contractors have extensive knowledge about various furnace models and can provide valuable insights based on your specific needs. They can assess your home’s heating requirements, recommend suitable options for a new furnace, and guide you through the decision-making process.

Comparing warranties, maintenance requirements, and customer reviews

Consider comparing warranties offered by different furnace manufacturers. A longer warranty period for a new furnace is an indication that the manufacturer has confidence in their product’s durability and performance. When purchasing a new furnace, it is important to refer to a furnace buying guide to make an informed decision. Pay attention to maintenance requirements as some furnaces may require more frequent servicing than others.

Customer reviews are another essential aspect to consider. Reading about other customers’ experiences can give you an idea of potential issues or advantages associated with a particular furnace model or brand.

Efficiency furnace recommendations

Efficiency is a critical factor when choosing a furnace. Look for models with high AFUE (Annual Fuel Utilization Efficiency) ratings, which indicate how efficiently a furnace converts fuel into heat. The higher the rating, the more efficient the furnace will be at heating your home while minimizing energy waste.

Pro tip: Consider two-stage or variable speed systems

When purchasing a new furnace, it’s important to consider the benefits of two-stage or variable speed systems. These systems offer greater control over temperature regulation in your home compared to single-stage systems. To make an informed decision, consult our comprehensive furnace buying guide. These advanced systems allow furnaces to operate at lower speeds during milder weather conditions, resulting in increased energy efficiency and improved comfort levels.

Checking for proper sizing

Ensuring that your chosen furnace is properly sized for your home is crucial. An undersized furnace will struggle to heat your home adequately, while an oversized furnace can lead to energy wastage and discomfort. HVAC professionals can perform calculations based on factors such as square footage, insulation levels, and climate to determine the appropriate furnace size for your needs.

Exploring Different Types of Furnaces

When it’s time to choose a new furnace for your home, there are several types to consider. Let’s take a closer look at the common types of furnaces available in the market today: gas, electric, oil, and dual-fuel furnaces.

Gas Furnaces

Gas furnaces are one of the most popular choices due to their efficiency and cost-effectiveness. A new furnace, according to our furnace buying guide, uses natural gas as fuel and has a high heat output, making it ideal for colder climates. Gas furnaces are also known for their quick heating capabilities, ensuring your home stays warm even on the coldest days. However, if you don’t have an existing connection to a natural gas supply line, a new furnace may not be suitable.


  • High energy efficiency

  • Lower operating costs compared to other types

  • Quick heating response


  • Requires access to natural gas supply

  • Installation can be more complex than other types

Electric Furnaces

Electric furnaces rely on electricity as their power source. They are relatively easy to install and do not require access to a gas line, making them a great option for homeowners looking to upgrade to a new furnace. Electric furnaces are known for their quiet operation and precise temperature control. However, they tend to have higher operational costs compared to gas or oil furnaces, especially in areas with expensive electricity rates.


  • Easy installation process

  • Quiet operation

  • Precise temperature control


  • Higher operational costs compared to other types

  • May not be suitable for areas with high electricity rates, especially when considering the installation of a new furnace.

Oil Furnaces

Oil furnaces use heating oil as fuel and are commonly found in older homes. The new furnace provides consistent heat output and can effectively handle extreme cold temperatures. Oil furnaces require an on-site storage tank for the heating oil, which needs regular refilling. Oil prices can fluctuate significantly based on market conditions.


  • Effective heat output in extreme cold temperatures

  • Suitable for older homes without access to natural gas


  • Requires an on-site storage tank for heating oil

  • Oil prices can fluctuate

Dual-Fuel Furnaces

Dual-fuel furnaces, also known as hybrid furnaces, combine the benefits of a gas furnace and an electric heat pump. These furnaces automatically switch between gas and electric depending on the outside temperature, optimizing energy efficiency. They are ideal for regions with varying climates. However, dual-fuel furnaces tend to be more expensive upfront compared to other types.


  • Energy-efficient operation

  • Suitable for regions with varying climates


  • Higher initial cost compared to other types

  • Requires professional installation and maintenance

When choosing the right furnace type for your home, consider factors such as efficiency, cost, environmental impact, and compatibility with your existing infrastructure. It’s essential to evaluate your specific needs and consult with HVAC professionals who can guide you in selecting the most suitable option.

Understanding Natural Gas Furnaces and Features

Natural gas furnaces are an excellent choice for heating your home due to their energy efficiency and reliable performance. They offer several advantages over other types of furnaces, making them a popular option for homeowners. When choosing the right furnace for installation, it’s essential to understand the key features of natural gas furnaces and consider safety considerations associated with using natural gas as a fuel source.

Advantages of Natural Gas Furnaces in Terms of Energy Efficiency

One significant advantage of natural gas furnaces is their energy efficiency. These furnaces are known to provide high levels of heat output while consuming less energy compared to other heating options. This means that you can keep your home warm and cozy without having to worry about skyrocketing energy bills. Natural gas is a clean-burning fuel, which makes these furnaces more environmentally friendly compared to oil or coal-based alternatives.

Here are some advantages of natural gas furnaces in terms of energy efficiency:

  • High Annual Fuel Utilization Efficiency (AFUE) ratings: Natural gas furnaces typically have AFUE ratings above 90%, meaning that they convert at least 90% of the fuel into usable heat.

  • Modulating burners: Look for furnaces with modulating burners, as they can adjust the flame intensity based on the desired temperature, providing precise control over heating levels and optimizing energy usage.

  • Variable-speed blowers: Furnaces equipped with variable-speed blowers allow for better airflow control, resulting in improved comfort and enhanced energy efficiency.

  • Zoning capabilities: Some natural gas furnaces offer zoning capabilities, allowing you to divide your home into different temperature zones and customize heating settings accordingly. This helps save energy by only heating occupied areas.

Key Features to Look for in a Natural Gas Furnace

When selecting a natural gas furnace for installation, there are several key features that you should consider:

  1. Size: Ensure that the furnace is appropriately sized for your home. An oversized or undersized furnace can lead to inefficiencies and uneven heating.

  2. AFUE rating: Look for a furnace with a high AFUE rating to ensure optimal energy efficiency.

  3. Noise levels: Consider furnaces with noise-reducing features, such as insulated cabinets and variable-speed blowers, if noise is a concern.

  4. Warranty: Check the warranty offered by the manufacturer to protect your investment in case of any issues.

  5. Programmable thermostat compatibility: Ensure that the furnace is compatible with programmable thermostats for better temperature control and energy savings.

Safety Considerations When Using Natural Gas as a Fuel Source

While natural gas furnaces are generally safe, it’s crucial to be aware of safety considerations associated with using natural gas as a fuel source:

  • Proper installation: Have your furnace installed by a professional technician who will follow all safety protocols and ensure proper ventilation.

  • Regular maintenance: Schedule regular maintenance checks to detect any potential leaks or malfunctions promptly.

  • Carbon monoxide detectors: Install carbon monoxide detectors near your furnace and bedrooms to provide an early warning in case of gas leaks.

Remember, if you ever smell gas or suspect a leak, leave your home immediately and contact your local gas company for assistance.

Natural gas furnaces offer numerous benefits in terms of energy efficiency, performance, and environmental impact. By understanding their key features and considering safety precautions, you can choose the right natural gas furnace for installation that meets your heating needs while ensuring the comfort and well-being of your household.

Evaluating Fuel Source Options for Furnace Installation

One of the key factors to consider is the fuel source. Different fuel sources, such as gas, electricity, and oil, have their own advantages and disadvantages. Let’s take a closer look at each option to help you make an informed decision.

Comparison between Different Fuel Sources

Gas furnaces are widely popular due to their availability and cost-effectiveness. Natural gas is often readily accessible in many areas, making it a convenient choice. Gas furnaces also tend to be more energy-efficient compared to other options, with high fuel utilization efficiency (AFUE). This means they can convert a higher percentage of fuel into usable heat.

Electricity is another common fuel source for furnaces. Electric furnaces are known for their simplicity and easy installation process. They don’t require any venting or flue systems like gas or oil furnaces do. However, electric furnaces can be less cost-effective in terms of monthly energy bills compared to gas or oil alternatives.

Oil furnaces are an alternative worth considering if natural gas isn’t available in your area. While oil prices may fluctuate over time, oil-fired furnaces can provide reliable heat output even during colder months. However, keep in mind that oil furnaces require regular maintenance and storage of fuel on-site.

Environmental Impact Assessment

When evaluating different fuel sources for your furnace installation, it’s crucial to consider their environmental impact. Gas and electric furnaces generally have lower carbon emissions compared to oil-based heating systems. Natural gas is considered a cleaner-burning fuel with fewer greenhouse gas emissions than oil.

On the other hand, electric furnaces produce zero on-site emissions since they rely solely on electricity from the grid. However, it’s important to note that the overall environmental impact of an electric furnace depends on how electricity is generated in your region.

Considering Local Regulations

Before making a final decision on your fuel source, it’s essential to research and understand any local regulations or restrictions regarding specific fuel sources. Some areas may have limitations on the use of certain fuels due to safety, environmental, or zoning considerations. It’s important to comply with these regulations to ensure a smooth installation process and avoid any potential penalties.

In addition to fuel source considerations, you should also explore financing options for your furnace installation. Some energy companies and government programs offer incentives or financing plans for energy-efficient furnaces that meet Energy Star requirements. These options can help offset the upfront costs of installation and make upgrading to a more efficient furnace more affordable.

Determining the Right Size Furnace and Consulting a Contractor

Proper sizing is crucial. You want to ensure optimal performance and efficiency in your home heating system. Several factors influence the correct sizing of a furnace, including the square footage of your space and the insulation levels in your home.

When determining the size of the furnace you need, one important consideration is the square footage of your home. A larger home will require a bigger furnace to adequately heat all areas. On the other hand, a smaller home may only need a smaller-sized furnace. It’s essential to take accurate measurements and consider any additional spaces like basements or attics that also need heating.

Insulation levels play a significant role in determining how much heat your home retains. Good insulation helps keep warm air inside during winter months, reducing energy waste. If your home has excellent insulation, you may be able to opt for a slightly smaller furnace since less heat will escape through poorly insulated walls or windows.

Consulting an HVAC contractor during the sizing process can save you from making costly mistakes. These professionals have expertise in assessing various factors that impact proper furnace size selection. They can perform load calculations using industry-standard methods to determine precisely how much heating capacity your space requires.

Working with an HVAC contractor has several benefits beyond just selecting the right size furnace:

Benefits of consulting an HVAC contractor during the sizing process:

  1. Professional Expertise: HVAC contractors have extensive knowledge and experience in assessing heating needs accurately.

  2. Load Calculation: They use sophisticated load calculation techniques to determine BTU (British Thermal Unit) requirements based on factors like climate, insulation, and square footage.

  3. Efficiency Optimization: Contractors ensure that your new furnace operates at peak efficiency by considering factors like ductwork layout and airflow optimization.

  4. Budget Considerations: Contractors can help you find a balance between upfront costs and long-term energy savings, considering your budget and future utility expenses.

  5. Service Agreement: Many HVAC contractors offer service agreements that provide regular maintenance and tune-ups for your furnace, ensuring its longevity and efficiency.

Remember, choosing the right size furnace is not a task to take lightly. It requires careful consideration of multiple factors to ensure optimal performance and energy efficiency. By consulting with an HVAC contractor, you can make an informed decision based on accurate calculations specific to your home’s heating needs.

Selecting the Perfect Furnace for Your Home

Choosing the right furnace for your home is a crucial decision that requires careful consideration. By evaluating factors such as fuel source options, furnace types, and size requirements, you can make an informed choice that ensures optimal comfort and efficiency in your living space. Understanding the features of natural gas furnaces and consulting a professional contractor can further assist you in making the right decision.

To ensure you select the perfect furnace for your home, it is essential to consult with an expert who can assess your specific needs and provide tailored recommendations. A licensed HVAC contractor will have the expertise to evaluate factors such as your home’s size, insulation, and existing ductwork system to determine the most suitable furnace size and type. They can guide you through various fuel source options available in your area and help you weigh their advantages and disadvantages.

Ultimately, investing time in researching different furnace options and seeking professional advice will result in a well-informed decision that meets your heating needs efficiently while maximizing energy savings. Make sure to consult reputable sources online or reach out to local HVAC professionals who possess extensive knowledge about furnaces.

Frequently Asked Questions

What is the average lifespan of a furnace?

The average lifespan of a furnace typically ranges from 15 to 20 years. However, regular maintenance and proper usage can extend its longevity.

How often should I change my furnace filter?

It is recommended to change your furnace filter every three months or more frequently if you have pets or allergies. Regularly replacing filters helps maintain indoor air quality and prevents strain on your HVAC system.

Are there any energy-efficient incentives available for purchasing a new furnace?

Yes, there are several energy-efficient incentives offered by government programs or utility companies that encourage homeowners to upgrade their heating systems. These incentives may include tax credits or rebates aimed at promoting energy conservation.

Can I install a furnace myself?

Furnace installation is a complex task that requires professional expertise. It is highly recommended to hire a licensed HVAC contractor for proper installation, ensuring safety and optimal performance.

How can I improve the efficiency of my existing furnace?

To improve the efficiency of your existing furnace, you can consider regular maintenance, sealing air leaks in your home, upgrading insulation, and using programmable thermostats to optimize temperature settings. Consulting an HVAC professional can provide further guidance on enhancing your furnace’s efficiency.

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