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Aug 26 2025

5 Things to Look for When Replacing Your HVAC System

Replacing your HVAC system is a stressful home project. With so many options out there, it’s easy to feel overwhelmed and unsure about which system is truly the best fit for your home. After all, this isn’t just about staying warm in the winter or cool in the summer—it’s a big decision that impacts your comfort, energy costs, and air quality for years to come.

For over 50 years, Van Drunen Heating & Air Conditioning has been simplifying HVAC replacement for homeowners and commercial property owners alike. We’re here to guide you through the process and help you understand the key things you should prioritize when making your decision, so you can choose with confidence.

1. Long Lifespan and Quality Reputation

When shopping for a new HVAC system, longevity should be at the top of your priority list. Quality brands like Lennox are known for their durability and can significantly outlast cheaper alternatives. A well-made system from a reputable manufacturer will serve you reliably for 15-20 years or more with proper maintenance.

The initial cost difference between a budget system and a premium brand often pays for itself through reduced repair costs and longer service life. Premium manufacturers also typically offer better warranties and have more extensive dealer networks, making it easier to get parts and service when needed.

2. Proper Sizing

Getting the right size system is crucial for optimal performance and energy efficiency. Many older homes have oversized equipment—sometimes more than twice as large as needed. An oversized system cycles on and off too frequently, which shortens its lifespan and fails to provide consistent comfort or proper dehumidification.

Your contractor should perform a Manual J load calculation to determine the correct system size for your home. This calculation considers factors like your home’s square footage, insulation levels, window types, and local climate conditions. Proper sizing ensures your system runs efficiently and maintains comfortable temperatures throughout your home.

3. Energy Efficiency

Investing in high-efficiency equipment is one of the smartest decisions you can make. While the upfront cost may be higher, high-efficiency systems can cut your heating and cooling costs by 30% or more compared to standard units. Since the labor costs for installation are essentially the same regardless of efficiency level, you’re only paying extra for the equipment itself.

High-efficiency systems also qualify for various rebates from states, utilities, and manufacturers, which can offset much of the additional cost. Over the system’s lifespan, these energy savings typically more than pay for the efficiency upgrade.

4. Indoor Air Quality and Add-On Components

When replacing your HVAC system, it’s the perfect time to consider indoor air quality improvements. Components like high-efficiency air filtration systems and humidifiers are common add-ons that most contractors will discount when installing a new system.

These additions can dramatically improve your home’s air quality by removing allergens, bacteria, and other pollutants while maintaining proper humidity levels. Poor indoor air quality can cause respiratory issues, dry skin, and general discomfort, making these upgrades valuable investments in your family’s health and comfort.

5. The Right Contractor

Selecting the right contractor is perhaps the most important decision you’ll make in this process. HVAC systems aren’t like appliances you simply unbox and plug in—they must be designed, customized, and fabricated for each home. A skilled, conscientious contractor will take the time to install the system properly using the right techniques and components.

Look for contractors who are properly licensed, carry adequate insurance, and have strong references. They should be willing to pull permits, perform load calculations, and explain their installation process clearly. The quality of installation has a dramatic impact on your system’s performance, efficiency, and longevity.

Trust Van Drunen for Your HVAC Replacement

Van Drunen Heating & Air Conditioning brings over five decades of experience to every HVAC replacement. Our family-owned business has built its reputation on quality workmanship, honest pricing, and exceptional customer service. We’ll help you navigate the many options available, calculate proper sizing, and provide professional installation that maximizes your system’s performance and lifespan.

Don’t let HVAC replacement overwhelm you. Contact Van Drunen Heating & Air Conditioning today to find the perfect system for your comfort and budget.

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