Upgrade or Replacement

High-Efficiency HVAC Upgrades for Circleville and Surrounding Ohio Communities

When your heating or cooling system begins to show its age, comfort becomes inconsistent and energy costs start creeping upward. At Tarbill Heating & Cooling, we help homeowners upgrade their systems with modern, efficient equipment that restores comfort, reduces monthly bills, and improves overall performance. Every replacement begins with a full evaluation of your home's needs, ensuring the new system is sized and designed with accuracy and care.


Whether your current unit struggles to keep up on the hottest days or makes winter nights colder than they should be, a replacement often provides immediate relief. We guide you through your options, explain what will best suit your home, and install equipment built to last—so you enjoy dependable comfort season after season.

Comfort That Keeps Up With Ohio Weather

Replace Your Old System With Confidence

Most homeowners notice the difference right away: quieter operation, faster heating and cooling, and more consistent temperatures across the entire home. An upgraded system can also reduce strain on your ductwork, improve indoor air quality, and make your home feel noticeably fresher and more balanced.


We install advanced Day & Night heating and cooling systems equipped with today’s best efficiency features—variable-speed technology for smoother airflow, intelligent temperature control for better precision, and high-performance compressors designed for long-term reliability. Whether the project involves replacing a furnace, an air conditioner, a heat pump, or every major component in your HVAC system, we make sure your new equipment fits your home perfectly and performs even better.


We proudly install systems for homeowners in:

Black and white illustration of a box fan with a rotating blade.

Full System Replacement for Better Comfort and Lower Energy Costs

A full HVAC replacement can solve issues that repairs simply can’t fix. If your system is more than a decade old, struggles to maintain temperature, or has required frequent service in recent years, upgrading to a modern system restores the comfort your home used to have—while lowering the operating costs that old equipment often creates.

Day & Night High-Efficiency Heating and Cooling Systems

Our upgraded systems are designed with Ohio homes in mind. Today’s Day & Night units offer stronger performance, quieter operation, and far greater efficiency than older models. Homeowners often notice improved airflow, faster recovery times, and better control over indoor temperatures.

Improved Comfort With Smarter Technology

Modern systems come with advanced features that elevate comfort throughout the home. Smart thermostats help regulate temperature, zoning setups allow individual area control, and advanced compressors adjust to your home’s needs in real time. These upgrades create a more stable environment while reducing wasted energy.

Upgrading Indoor Air Quality Along the Way

A replacement is an ideal moment to improve indoor air quality. Many homeowners choose to incorporate filtration upgrades, humidity control, or purification technology into their new setup. These additions help reduce allergens, balance humidity, and keep your home’s air fresher and healthier.

Answers From Your Local Replacement Experts

Common questions about upgrading your HVAC system

  • When should I replace my HVAC system instead of repairing it?

    A good rule of thumb is the “10–15 year mark.” If your system is within or beyond that range, replacement often makes more financial sense than putting money into repeated repairs. Other indicators include rising energy bills, uneven temperatures, loud noises, weak airflow, or a system that runs constantly. We provide honest evaluations to help you determine whether your system still has life left—or whether upgrading will save you money and frustration over the next several years.

  • What improvements can I expect after replacing my old HVAC system?

    Most homeowners notice the difference immediately. A new system provides smoother, quieter operation, more even temperatures, better humidity control, and significantly improved energy efficiency. Many families also experience better indoor air quality when upgrading filters or adding purification technology. Because new systems use advanced compressors and variable-speed motors, they adjust output more intelligently, maintaining comfort with less energy. It’s not just about replacing equipment—it’s about transforming the overall feel of your home.

  • Will a new HVAC system reduce my utility bills?

    Virtually always, yes. Older systems lose efficiency over time, especially if they’ve gone years without consistent maintenance. Modern Day & Night systems are designed with high-efficiency components that use far less energy to create the same (or better) comfort. Homeowners often see meaningful reductions in both heating and cooling costs. While the amount varies based on home size and usage, we can estimate your expected savings during your consultation so you know exactly what to expect.

  • How much does an HVAC replacement cost?

    Pricing varies based on home size, equipment type, duct condition, and the efficiency level you choose. Some systems require minor modifications or additions like new thermostats, air quality upgrades, or duct adjustments. Instead of giving one-size-fits-all pricing, we provide a clear, customized estimate after assessing your home. Many homeowners also take advantage of Wells Fargo financing to spread out the investment while enjoying the benefits of a new system immediately.

  • What happens to my old HVAC equipment?

    We remove and dispose of your old system responsibly as part of the replacement process. All equipment is hauled away, recycled when possible, and handled according to Ohio environmental guidelines. You won’t need to lift a finger—we take care of everything, ensuring your home is clean and ready for the new system before we begin installation.