A reliable HVAC system is the backbone of year-round comfort in Kansas homes. Yet many Derby homeowners continue relying on outdated or undersized systems that can’t keep up with the extremes of summer heat and winter cold. The result? Uneven comfort, frequent breakdowns, and energy bills that seem to climb every month. Holding on to an inefficient system often costs more in the long run than investing in a proper replacement.
At Kelley and Dawson Service, we specialize in expert HVAC installation in Derby, KS, providing energy-efficient systems designed to keep your home comfortable in every season. With nearly 60 years of trusted service, our certified technicians ensure your new system is sized correctly, installed with precision, and tested for long-term performance. Call 316-263-7201 today to schedule your installation and upgrade your comfort.
Professional HVAC Installation in Derby, KS
Installing a new HVAC system is not a one-size-fits-all project. Every home has unique heating and cooling requirements based on layout, insulation, and family needs. At Kelley and Dawson Service, we evaluate your home thoroughly before recommending the right unit.
By choosing us for HVAC installation in Derby, KS, you get the benefit of advanced equipment, industry expertise, and a team that puts your comfort first.

Signs You Need a New HVAC System
It’s not always obvious when it’s time for a replacement. Look for these common signs:
- Your HVAC system is over 15 years old
- Frequent and expensive repairs are required
- Energy bills continue to rise despite regular maintenance
- Hot and cold spots throughout your home
- Strange noises, odors, or reduced airflow
If you’ve noticed these issues, it may be time to consider a new installation.
Why Choose Kelley and Dawson Service?
Derby homeowners rely on us because we combine experience, expertise, and customer-first service. Here’s why we’re the preferred choice:
- Nearly 60 years of HVAC service in the Derby and Wichita area
- Certified, background-checked, and uniformed technicians
- Trane Comfort Specialists trained across all brands
- In-house sheet metal shop for custom ductwork solutions
- Honest recommendations and transparent pricing
- 24/7 emergency support when issues can’t wait
We go beyond installation to deliver comfort and confidence that lasts.
Benefits of a New HVAC System
Replacing your old system comes with long-term advantages for your home and budget:
- Improved Energy Efficiency – Modern systems use less energy to provide more comfort.
- Lower Utility Bills – Monthly savings offset installation costs over time.
- Consistent Comfort – Eliminate uneven heating and cooling.
- Quieter Operation – Enjoy peace with whisper-quiet performance.
- Cleaner Air – Advanced filtration reduces allergens and improves indoor air quality.
With HVAC installation in Derby, KS, your home will feel more comfortable from day one.
Our HVAC Installation Process
We take pride in a thorough process that ensures every system performs at its best:
- Initial Evaluation – Assessing your current system and home’s heating/cooling needs.
- System Recommendations – Offering options that balance comfort, efficiency, and budget.
- Professional Installation – Installing your system with precision and care.
- Testing & Calibration – Verifying efficiency, performance, and safety.
- Homeowner Training – Showing you how to operate and maintain your new system.
This step-by-step approach guarantees reliable, long-lasting results.
FAQs
How do I know I need HVAC installation in Derby, KS?
If your system is more than 15 years old, requires constant repairs, or can’t keep your home comfortable, it may be time to replace it.
How long does HVAC installation take?
Most installations are completed in a single day, though larger projects may take longer.
Will a new HVAC system save money?
Yes. Modern high-efficiency systems can significantly reduce energy costs.
Can you install all HVAC brands?
Yes. While we are Trane Comfort Specialists, our technicians are trained to install and service all major brands.
Do you offer financing for HVAC installation in Derby, KS?
Yes. We provide flexible financing options to make upgrading more affordable.
Schedule Your HVAC Installation Today
Don’t let an outdated system leave your home uncomfortable and inefficient. Trust Kelley and Dawson Service for professional HVAC installation in Derby, KS that delivers reliable comfort and energy savings. Call 316-263-7201 today to schedule your consultation and upgrade to 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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