When your HVAC system reaches the end of its life, it shows in more ways than one. Many Derby homeowners face rising utility bills, uneven comfort, and constant repair calls as older systems struggle to keep up. While repairs can provide short-term fixes, an outdated system often costs more in the long run than replacing it with a modern, energy-efficient model.
At Kelley and Dawson Service, we specialize in professional HVAC replacement in Derby, KS. With nearly 60 years of trusted service, our team helps homeowners choose the right system for their home and installs it with precision to ensure maximum efficiency and comfort. Call 316-263-7201 today to schedule a consultation and take the first step toward worry-free heating and cooling.
Professional HVAC Replacement in Derby, KS
Replacing your HVAC system is a big decision, but it doesn’t have to be stressful. At Kelley and Dawson Service, we evaluate your home’s layout, size, and energy needs to recommend a system that provides reliable performance for years to come.
When you choose us for HVAC replacement in Derby, KS, you’re getting expert guidance, transparent pricing, and installation service backed by decades of experience.

Signs You Need HVAC Replacement
Wondering if it’s time to replace your system? Look for these warning signs:
- System is more than 15 years old
- Frequent and costly repair needs
- Rising energy bills despite regular maintenance
- Hot and cold spots throughout the home
- Strange noises, odors, or poor airflow
- Difficulty keeping up with seasonal temperature demands
If you’re experiencing one or more of these issues, a replacement may be the most cost-effective solution.
Why Homeowners Choose Kelley and Dawson Service
Derby families count on us because we combine technical expertise with customer-focused care. Here’s what sets us apart:
- Nearly 60 years of HVAC service in Derby and Wichita
- Certified, background-checked, and uniformed technicians
- Trane Comfort Specialists trained across all major HVAC brands
- In-house sheet metal shop for custom ductwork solutions
- Honest, upfront pricing with no hidden fees
- 24/7 emergency availability when urgent needs arise
We don’t just replace HVAC systems—we build long-term comfort solutions.
Benefits of Replacing Your HVAC System
Installing a new system brings both immediate and long-term advantages:
- Lower Utility Bills – Newer systems use less energy, reducing monthly costs.
- Improved Comfort – Consistent heating and cooling throughout your home.
- Quieter Performance – Advanced technology ensures quieter operation.
- Cleaner Indoor Air – Enhanced filtration improves your air quality.
- Fewer Repairs – A new system means more reliability and less hassle.
With HVAC replacement in Derby, KS, you’ll notice the difference right away.
Our HVAC Replacement Process
We follow a proven, step-by-step process to make the experience smooth and stress-free:
- System Evaluation – Assessing your current unit and your home’s heating and cooling needs.
- Product Recommendations – Offering efficient options tailored to your comfort goals and budget.
- Professional Installation – Installing the system with precision and care.
- System Testing – Confirming safe, efficient, and reliable operation.
- Customer Orientation – Teaching you how to operate and maintain your new unit.
This ensures your HVAC replacement provides long-lasting comfort and efficiency.
FAQs
How do I know if I need HVAC replacement in Derby, KS?
If your system is over 15 years old, requires frequent repairs, or struggles to keep your home comfortable, replacement is likely the best option.
How long does HVAC replacement take?
Most replacements can be completed in a single day, though more complex projects may require additional time.
Will a new HVAC system save money on energy bills?
Yes. Modern high-efficiency systems are designed to significantly reduce utility costs.
Can you replace all HVAC brands?
Yes. While we are Trane Comfort Specialists, our technicians replace and service all makes and models.
Do you offer financing for HVAC replacement in Derby, KS?
Yes. We provide flexible financing options to make upgrading your system more affordable.
Schedule Your HVAC Replacement Today
Don’t let an outdated HVAC system cost you more in repairs and energy bills. Trust Kelley and Dawson Service for professional HVAC replacement in Derby, KS that delivers reliable performance and long-term savings. Call 316-263-7201 today to schedule your consultation and upgrade your comfort with a system designed to handle Kansas weather year-round.
Financing with
Wells Fargo
Buy today, pay over time with the Wells Fargo Home Projects Credit Card¹, issued with approved credit by Wells Fargo Bank, N.A., an Equal Housing Lender. With approved credit from Wells Fargo, you’ll enjoy:
Plus, by taking advantage of financing, you won’t use up your existing funding sources, like a home equity line of credit, other credit card or bank account. They’ll still be available when you need them.
Please contact us to find out which financing options are available to you, or to learn about special financing promotions.
¹ Subject to credit approval. Call for details.
² The [Card Name] credit card is issued with approved credit by Wells Fargo Bank, N.A. Ask for details.


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