St. Louis County License: MHV02516
Jefferson County License: M379

O’Fallon Heat Pump Installation

Heat Pump Installation & Replacement for Year-Round Comfort

A heat pump can provide both heating and cooling through one system by transferring heat between your home and the outdoors. For O’Fallon homeowners replacing an aging furnace and air conditioner, dealing with uneven temperatures, or planning an HVAC upgrade, it can be a practical option worth evaluating.

The right system depends on more than the equipment itself. We review your home’s layout, insulation, ductwork, electrical setup, and comfort needs before recommending a heat pump installation or heat pump replacement. That assessment connects system sizing and installation requirements to the way your home actually performs.

Heritage Heating & Cooling has served O’Fallon and the Metro East since 2011. As a family-run, veteran-operated business, we provide clear recommendations and explain the proposed work before you decide how to move forward.

Call (618) 356-2781 or contact us online to get a free estimate for a heat pump installation or upgrade. 

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We Service All Makes & Models
Our technicians have the expertise to service all HVAC brands.

Professional Heat Pump Sizing & Installation Assessment

Heat pump sizing isn’t based on square footage alone. A proper assessment considers insulation, windows, air leakage, home layout, ductwork, comfort goals, and the heating and cooling load. An HVAC load calculation is a review of how much heating and cooling your home needs under expected conditions.

Before installation, we also evaluate whether the existing ductwork, electrical components, indoor equipment, and thermostat controls are compatible with the proposed system. Airflow matters because even well-selected equipment needs a path to move conditioned air through the home.

Installation Details That Affect Performance

Our technicians receive ongoing training and service all makes and models of HVAC equipment. As an American Standard Authorized Customer Care Dealer, we apply that training when evaluating equipment, completing installation work, and performing the operational checks your project requires.

After installation, we check airflow, heating and cooling operation, controls, and system connections. If you’re deciding between repair and replacement, we can review the current equipment condition, recurring problems, project scope, and budget considerations during your free new-equipment estimate.

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  • Heritage Heating and Cooling BBB Business Review
  • American Standard Authorized Dealer
  • BBB A+ Accredited
  • Home Advisor Screened & Approved
  • Nextdoor Neighborhood Favorite
  • Yelp!
  • Environmental Protection Agency (EPA) Certified
We Service All Makes & Models
Our technicians have the expertise to service all HVAC brands.

Frequently Asked Questions

These answers address common questions about heat pump installation and replacement for O’Fallon and Metro East homes. Our Contact us page lets you request a free new-equipment estimate tailored to your existing system and home.

How Long Does Heat Pump Installation Take?

Installation timing depends on the system type, existing equipment, ductwork, electrical requirements, and any needed modifications. We review the project scope during your estimate and explain what may affect the schedule before work begins.

What Size Heat Pump Does My Home Need?

The right size depends on more than square footage. We consider insulation, windows, layout, ductwork, air leakage, and heating and cooling load requirements. A system that is too large or too small can affect comfort and operation.

How Often Should My Heat Pump Be Serviced?

Professional service helps identify operational issues and keep your system maintained. The appropriate schedule depends on the equipment, manufacturer guidance, system use, and condition. Ask us whether maintenance twice a year is appropriate for your system.

Can Heat Pumps Heat O’Fallon Homes in Winter?

Heat pumps provide heating as well as cooling, but cold-weather performance depends on the equipment selected, outdoor conditions, system sizing, insulation, ductwork, and installation. We can evaluate whether a proposed system fits your home’s heating needs.

Should I Repair or Replace My Heat Pump?

The answer depends on the system’s condition, repair history, performance, efficiency, and the scope of the needed repair. We provide repair and replacement services, allowing us to evaluate the current equipment before recommending a path forward.

What Affects Heat Pump Installation Cost?

Cost depends on the selected equipment, system size, existing infrastructure, ductwork or electrical work, controls, and installation complexity. We provide free estimates on new equipment so you can review the project scope and total price.

Are Heat Pumps Eligible for Illinois Rebates?

Illinois utility companies and state programs may offer rebates for qualifying air-source heat pump installations. Minimum efficiency requirements may apply, program availability and eligibility conditions can change, and rebates aren’t retroactive. Ask about the proposed equipment before relying on any incentive.

Can One Heat Pump Replace Heating & Cooling Equipment?

A heat pump can provide both heating and cooling through one system. Whether it can replace your current furnace and air conditioner depends on your home, existing equipment, ductwork, electrical setup, and comfort requirements.

What Equipment Can You Service?

We service all makes and models of HVAC equipment. During an estimate, we can discuss equipment options that fit the project requirements identified for your home.

How Do I Schedule an Estimate?

You can call (618) 356-2781 or use our contact page to request a free estimate for new equipment. We can assess your home and discuss heat pump installation or replacement options.

What Areas Do You Serve?

We serve O’Fallon, Edwardsville, the Metro East, and confirmed nearby communities including Belleville, Collinsville, Fairview Heights, Glen Carbon, Troy, Shiloh, and Scott Air Force Base.

Contact us today at (618) 356-2781 to schedule your free estimate for a heat pump installation or replacement.

  • Family-Owned & Veteran Operated
  • Warranty-Backed Services
  • EPA-Certified Company
  • Insured for Your Peace of Mind
  • Financing Options Available
  • Background Checked Technicians

Contact Heritage Heating & Cooling Today!

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