
Trusted Service That Stands the Test of Time
Since 1980, Southwest Cooling and Heating has been the name St. George turns to for reliable, honest HVAC service. As a family-owned business, we’ve stayed true to our roots, treating every customer like a neighbor and every job like it the only one we have. Our slogan, “Running on Trust Since 1980,” means that we’re always willing to go the extra mile to get the job done right. When you choose us, you get:
Simple Financing with Big Benefits
You don’t have to let money issues hold you back from getting the furnace you need. Our financing options offered through Wells Fargo, give you the flexibility you need. With approved credit. Ask for details. Features included:
Is It Time to Replace Your Furnace?
A reliable heating system is crucial for staying comfortable during the cooler months. If your furnace is old, inefficient, or struggling to keep up, replacing it now can help you avoid unexpected breakdowns. Common signs that it’s time for a new furnace installation include:
Professional Furnace Installation for Lasting Comfort
Upgrading to a new furnace improves comfort, reduces energy costs, and provides peace of mind. Our process starts with a full assessment of your home’s heating needs, where we’ll help you choose the right furnace based on size, efficiency, and budget.
Once the system is selected, our technicians handle the entire furnace install, including removing the old unit, setting up the new one, and testing for efficiency. We’ll check all the connections, adjust settings, and make sure the system runs safely and effectively. With a properly installed furnace, you get even heating, lower utility bills, and fewer unexpected repairs.
What Happens If You Delay a Furnace Replacement?
Holding on to an old, inefficient furnace can lead to bigger issues down the road. The longer you wait, the more likely you are to face expensive repairs or a system failure during the coldest months. Some risks of not scheduling a furnace installation include:
Why a New Furnace Is a Smart Investment
Installing a new furnace is about more than just staying warm, it improves efficiency, comfort, and long-term savings. A properly sized and professionally installed system makes a noticeable difference in how your home feels. Here are some benefits:
With a new furnace install, you get better heating, greater reliability, and peace of mind for years to come.
Frequently Asked Questions
Here are some commonly asked questions about our furnace installation services. If yours isn’t mentioned, just reach out, and we’ll provide you with an answer.
A standard furnace install takes 4 to 8 hours, depending on the system type and home setup. If modifications to ductwork or gas lines are needed, installation may take longer. Our team works efficiently to get your new system up and running as quickly as possible.
The right furnace size depends on your home’s square footage, insulation, and climate. Installing a system that’s too large or too small can lead to inefficiency and higher costs. We’ll calculate the correct size to maximize comfort and efficiency.
The cost of installing your furnace varies based on the model, efficiency rating, and installation complexity. We provide upfront pricing and financing options to make your investment more affordable. A high-efficiency furnace can also help lower energy costs over time.
The best time for a furnace install is before cold weather arrives. Replacing it during the off-season allows you to avoid emergency breakdowns and take advantage of potential discounts. If your furnace is over 15 years old or needs frequent repairs, it’s a good time to upgrade.
The best furnace depends on your heating needs, fuel source, and budget. Gas furnaces are common for their efficiency, while electric furnaces may be better for certain homes. Our technicians will help you choose the right system for maximum comfort and savings.
Not always, but upgrading to a programmable or smart thermostat can help improve efficiency. A new thermostat works better with modern furnaces and allows for better temperature control. We can assess your current thermostat and recommend an upgrade if needed.
Furnace installation requires specialized skills, tools, and safety knowledge. Incorrect installation can lead to gas leaks, electrical hazards, and inefficient heating. It’s always best to have a licensed technician handle the installation.
Furnace filters should be replaced every 1-3 months, depending on usage and air quality. A clean filter helps maintain proper airflow, efficiency, and indoor air quality. We recommend checking your filter regularly, especially during peak heating months.
Regular maintenance keeps your furnace running efficiently and extends its lifespan. This includes changing filters, checking airflow, inspecting connections, and scheduling an annual professional tune-up. Proper care helps prevent unexpected breakdowns.
20% Off
Service Repair Coupon for New Customer
Try Us and See for Yourself Why Most of Your Neighbors Already Use Us!
This coupon entitles a homeowner to a 20% discount off any heating or cooling repair service performed by Southwest Cooling and Heating at their residence. Additional service fees may apply. Discount is limited to a maximum of $50.00. Only one (1) coupon per service address will be accepted.
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Ready to see what Southwest can do for your home? We’d love to hear from you! Please schedule an appointment online or call us at 435.673.4877. Our lines are always open.

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If you need a new furnace installation in St. George, UT, our team at Southwest Cooling and Heating is here to help. We make installing your furnace simple and stress-free, so you can enjoy a warm and comfortable home. Contact us today to schedule your furnace install with our trusted technicians.





