Cost of furnace and ac installation — St. George, UT
Last updated: September 24, 2026
What affects the price
Installing a new HVAC system involves several variables that shift the final total. The square footage of your home and the necessary cooling capacity—measured in tons—are the biggest factors. You also have to consider the efficiency rating of the unit, the complexity of your existing ductwork, and whether you need to upgrade electrical or gas lines to accommodate the new equipment. Choosing between a standard single-stage unit or a high-efficiency multi-stage system changes the upfront investment significantly. Exact pricing confirmed free on the call.
About this service
Replacing both a furnace and an AC at the same time often makes sense to ensure system compatibility and energy efficiency. The total cost is influenced by the fuel type, equipment efficiency, and whether any modifications are needed for the venting or ductwork. Bundling these installations can sometimes simplify the labor process. We provide a comprehensive quote after evaluating your home’s heating and cooling demands. Exact pricing confirmed free on the call.
Summer installations are common when systems fail under heavy load. If you are struggling with poor cooling or high energy bills, upgrading during the season can provide immediate relief. We focus on rapid deployment to get your air conditioning running efficiently, helping you keep your indoor climate manageable even during the hottest weeks of the year.
Frequently asked in St. George
What factors influence the cost of AC installation in St. George?
What's involved in a typical central AC installation?
How does the cost of installing both an AC and a furnace compare?
When installing both an AC and a furnace in St. George, the combined cost often reflects the efficiency of undertaking both projects concurrently. Pros can often integrate the new furnace with existing or new AC components, potentially reducing some labor and material costs compared to separate installations. The specific models chosen for both units, their energy efficiency ratings, and any required ductwork modifications will ultimately shape the total investment. It's common to explore high-efficiency models for both to maximize long-term savings.
Where can I find AC installation services in St. George?
What's the approximate price for a mini-split AC installation?
The price for a mini-split AC installation in St. George varies based on the number of indoor units (heads) required and the complexity of running the refrigerant lines and electrical connections. Each indoor head requires its own line set and condensate drain, so multi-zone systems will naturally incur higher costs. Professionals will perform a site survey to determine the optimal placement for each unit and the most efficient routing for the lines. Factors like wall penetrations and power requirements also influence the final quote.
What makes a professional AC installation 'best'?
What influences the cost of installing an AC compressor?
The cost to install an AC compressor in St. George is influenced by the specific make and model of the compressor, as it's the heart of the cooling system. Beyond the component itself, labor costs are significant, involving the careful removal of the old unit, precise brazing of refrigerant lines, evacuation of the system to remove moisture and contaminants, and recharging with the correct type and amount of refrigerant. Properly flushing the refrigerant lines is also a critical step to ensure no debris from the old compressor contaminates the new one, affecting its lifespan.
Also serving nearby: North Las Vegas · Henderson · Las Vegas · Peoria · Provo
More on this: ENERGY STAR — choosing efficient systems.
Service area details
Serving all of St. George — population 104,578; about 1,355 residents per square mile across 77.1 sq mi.
Neighborhoods served in St. George: Downtown St. George, Green Valley, Bloomington, Ivins, Washington Fields — and every surrounding area.
Areas we serve
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