Hello again from the experts at Northwest Exteriors! Today’s topic is homes without central air. We know what you’re wondering. Is that really a thing in 2025? Well, yes. Older homes, especially Victorian homes that, while gorgeous, weren’t outfitted with cool or warm air on demand. They suffered incredibly under their crinolins and suspenders for want of what we take for granted. In the Sacramento area, there are quite a few Victorian homes, as well as other styles that were popular before interior comfort was invented. Homeowners who love their unique houses must update them if they want to live comfortably today.

How Much Does It Cost to Install Central Air?

Ah, the charm of older homes! From the enchanting architectural details, custom doors and shutters, and unique, hard-to-find features, older homes draw us in and wrap us in a warm feeling of nostalgia. But they can be more work when we begin adapting them to our modern lifestyles. One thing Californians can’t live without today is a high-performance HVAC system. 

When considering central air installation, one of the biggest questions owners of older homes have is: How much does it cost to install central air? While every home is different, we can provide general estimates based on industry standards and typical installation scenarios. At Northwest Exteriors, we specialize in helping homeowners find the most efficient and cost-effective cooling solutions for their homes.

How Much Does It Cost to Put in Central Air?

The cost to install central air varies depending on several factors, including the size of the home, the presence of existing ductwork, and the specific system chosen. On average, for a home around 2,000 square feet, installing central air without existing ductwork typically costs $7,000-$8,000. If the house already has a functional duct system in place, the cost to have central air installed drops significantly to around $3,500-$4,000. Larger homes or those requiring extensive modifications will likely see higher installation costs.

Factors Affecting the Cost to Install Central Air

Several elements impact the average cost to install central air in a home. These include:

  • Size of the Home – Larger homes require bigger, more powerful AC units, increasing both material and labor costs.
  • Ductwork Installation or Modifications – Homes without existing ductwork need additional construction, which increases the cost.
  • Unit Type and Efficiency – High-efficiency models come with a higher upfront cost but provide long-term energy savings.
  • Permits and Labor Costs – Professional installation involves local permits and skilled labor, affecting the total cost.
  • Additional Features – Smart thermostats, zoning systems, and air purifiers can increase installation expenses but improve system performance.

How Much Work Is It to Install Central Air in a House?

For homes without existing central heating or ductwork, the process of installing central air involves retrofitting the house with ducts. This requires cutting into walls or ceilings to install air distribution channels. While it may sound complicated, our professional HVAC technicians at Northwest Exteriors make the process as seamless as possible. The job typically takes about a week, though larger or more complex homes may require additional time.

For homes with existing central heating and ductwork, the installation process is much simpler. Most HVAC professionals can complete the job in two to three days, provided the ductwork is in good condition. If minor modifications are needed to accommodate the new system, this could extend the project timeline by an extra day.

How Much Does It Cost to Add Central Air?

Many homeowners with an existing furnace or heating system also wonder how much central air costs to install if ductwork is already present. Since much of the infrastructure is in place, adding central air can be more affordable. The cost to add central air to a home with existing ducts typically ranges between $3,500-$5,000, depending on the size and efficiency of the unit.

Financing Options for Central Air Installation

At Northwest Exteriors HVAC Service, we understand that how much to put central air in a house can be a significant investment. Fortunately, several financing options are available to help homeowners spread out costs over time. Some of the most common financing programs include:

  • Manufacturer Financing – Many AC manufacturers offer financing plans with low monthly payments.
  • Energy Efficiency Rebates – Some local and state programs offer incentives for installing energy-efficient HVAC systems.
  • Home Improvement Loans – Homeowners may qualify for special loans designed for upgrades like central air installation.
  • Credit Card Financing – Some homeowners choose to finance their HVAC installation through low-interest credit card offers.

Is Central Air Worth the Investment?

Beyond the initial cost to install central air, it’s important to consider the long-term benefits. Central air conditioning provides:

  • Consistent Cooling – Unlike window units, central air cools the entire home evenly.
  • Improved Air Quality – Modern systems come with advanced filtration, reducing allergens and pollutants.
  • Increased Home Value – Homes with central air have higher resale value.
  • Energy Efficiency – Newer systems use less energy while keeping your home comfortable.

Contact Northwest Exteriors for a Free Estimate

If you’re wondering how much does it cost to have central air installed in your home, the best way to get an accurate estimate is to schedule a consultation with Northwest Exteriors. Our team of professionals will assess your home’s needs and provide a detailed quote tailored to your specific situation.

Update your charming older home with an efficient new HVAC system! Contact us today to discuss your options and get started on your central air installation.