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The installation process begins with a thorough assessment of your home’s cooling requirements. We calculate the appropriate system size based on your home’s square footage, insulation quality, window placement, and local climate factors specific to St. George. This detailed load calculation prevents the common mistake of installing an oversized or undersized unit, which can lead to inefficient operation, increased energy costs, and premature system failure. Our team evaluates existing ductwork conditions, electrical capacity, and optimal equipment placement to create a customized installation plan that maximizes both comfort and efficiency.

Choosing the Right Central Air Conditioner System

Selecting the appropriate central air conditioner for your St. George home involves considering multiple factors beyond just cooling capacity. Modern central AC units come with SEER ratings ranging from 14 to 25, with higher ratings indicating greater energy efficiency. In our region, where cooling systems run extensively from May through October, investing in a higher SEER rating typically provides significant long-term savings on utility bills. We help you evaluate different system types, including single-stage, two-stage, and variable-speed units, explaining how each option affects comfort levels, humidity control, and operating costs.

The physical components of your new central air system require careful consideration as well. The outdoor condensing unit needs proper placement with adequate clearance for airflow and service access. Indoor components, including the evaporator coil and air handler, must integrate seamlessly with your existing or new furnace system. We assess refrigerant line routing, drainage requirements, and thermostat placement to ensure optimal system performance. Opening up the shop over 40 years ago, S&S Mechanical started as a small operation and quickly grew through referrals from happy customers eager to tell their friends and family about their experiences.

Professional Installation Process and Timeline

Our central AC installation process follows industry best practices to ensure long-lasting performance and reliability. The installation typically begins with removing any existing equipment and preparing the installation areas. We install the outdoor condenser on a level concrete pad or mounting brackets, ensuring proper elevation for drainage and protection from flooding. The indoor evaporator coil installation requires precise positioning within the air handler or furnace plenum to maintain proper airflow characteristics.

  • Refrigerant line installation: We run insulated copper lines between indoor and outdoor units, brazed with nitrogen purging to prevent oxidation
  • Electrical connections: Installation of dedicated circuits, disconnect boxes, and proper grounding per local codes
  • Ductwork modifications: Sealing connections, adding dampers, or resizing returns as needed for optimal airflow

The entire installation process typically takes one to two days for a standard residential system. We perform comprehensive testing after installation, including pressure testing refrigerant lines, verifying proper refrigerant charge, checking airflow at all registers, and calibrating the thermostat. Our normal business hours are Monday through Friday 7am – 6pm, but we are also available on-call for emergencies.

Get a New Central Air System

Installing a new central air system represents a significant investment in your home’s comfort and value. In St. George’s climate, where cooling costs can account for up to 60% of summer electricity bills, selecting an energy-efficient system provides substantial savings over the equipment’s 15 to 20-year lifespan. We help you navigate available rebate programs from Rocky Mountain Power and federal tax credits for qualifying high-efficiency systems. These incentives can offset 20-30% of installation costs while reducing your carbon footprint.

Modern central air conditioners incorporate advanced features that enhance efficiency and comfort. Variable-speed compressors adjust cooling output to match demand, maintaining consistent temperatures while using less energy. Smart thermostats enable precise scheduling and remote control, potentially reducing cooling costs by 15-25%. Enhanced filtration systems improve indoor air quality, particularly important in our desert environment where dust and allergens are prevalent. We explain how these features translate into real-world benefits for your specific situation, helping you make informed decisions about your investment in home comfort.

More Services Provided in St. George, UT

We’ve got you Covered

air conditioning services

Cooling Services

Stay cool year-round with our comprehensive AC solutions including installation, repair, maintenance, and replacement services. We specialize in traditional central air, ductless systems, and heat pump technology.

AC Installation

AC Repair

AC Maintenance

Ductless AC & Heating

Heat Pump Services

VRF Systems

And more!

professional plumbing services

Heating Services

Keep your home warm and comfortable with our expert heating solutions including furnace installation, repair, and maintenance. We service all heating systems from traditional furnaces to modern heat pumps and ductless heating.

Furnace Installation

Furnace Repair

Heating Maintenance

Heat Pump Services

Ductless AC & Heating

Geothermal HVAC

And more!

professional plumbing services

Plumbing Services

We provide comprehensive plumbing solutions for residential and commercial properties including water treatment systems, leak detection, pipe repair, drain cleaning, and complete repiping services.

Water Heater Services

Drain Cleaning Services

Water Leak Detection

Sewer Line Repairs

Repiping Services

Water Softeners & Filtration

And more!

 

Emergency HVAC Service

Our normal business hours are Monday through Friday 7am to 6pm, but we are also available on-call for emergencies. We maintain a fleet of fully stocked service vehicles ready for immediate dispatch to St. George, Washington, Santa Clara, Ivins, Hurricane, Cedar City, and La Verkin, UT. Emergency situations receive priority attention, with most urgent calls receiving on-site response within two hours. Our dispatch system efficiently routes technicians based on location and expertise, minimizing response times while ensuring the right specialist arrives for your specific needs.

2 Hours

Average Emergency Response Time

7 Days

Available Every Day of the Week

Stocked

Service Vehicles Ready to Deploy

Rated 4.9 on Google with 1,500+ Reviews

“We absolutely love S&S mechanical and are so pleased with them every time they come to our house. They are extremely thorough and don’t leave anything unattended or any problem unsolved. They truly care about the job we need taken care of and always ask if there is anything else...
“Our water heater went out all the sudden. I contacted S&S and they sent a young man over within the hour. Dakota was one amazing hard working technician. He was so willing to do whatever would work best for me. I’ve used S&S mechanical in the past and have always...
“We had the best experience possible with S&S! From start to finish it was a 5 star service. Initial concerns, scheduling process, and the service itself could not have been better. Tyler Cluff was our technician and he was an absolute joy to work with. He was able to quickly...
“We were so impressed with the quick turnaround from S&S! They got us on their schedule for a repair the very next day, and Tyler, the technician, was able to fix the issue with our AC the same day. He was super informative and took the time to answer all...
“Cody and his guys that came to install the HVAC system were great, very respectful, kind and professional. Did a great job and we are very pleased with the outcome! They were recommended by 2 of our neighbor’s now I know why! Also, Logan who came out to give us...
“Our heating system wasn’t working so we contacted these folks to figure out the issue. Tyler, the technician, came out and took great care of us! Not only is our heater working again but he was very thorough in explaining the service and gave me a rundown of the various...
“I am very appreciative of their service. Their communication was excellent. Brad was very helpful and explained everything well. They found some faulty wires and we don’t have to replace the whole system yet.”
“S&S Mechanical sent a well qualified plumber out to my home which is 50 miles away, the very next day after I called them. This was very much appreciated, as I have been taking cold showers for far too long. For a long time I have had a problem with...
“Extremely happy with the mini split AC system S&S installed in our garage. James R. was very knowledgeable, spelled out all of our options, and provided detailed estimates same day. And installers Noah J. and Joe W. arrived on time, were friendly & professional, and did an amazing job! UPDATE:...
“Very timely installation of a new system when ours had failed. Logan presented the options with no pressure. Everybody was polite and very helpful. Installation (Riley and his #2) guys were careful not to interfere with our quaint little lives and yet provided great service. Brad was our initial contact...
“Miles was great! He did a very thorough inspection, he took pictures of all the components he checked and ended up recommending a repair that was more necessary, as well as a few other things to keep in mind as preventative measures for the future. Didn’t feel like they were...
“Received same day service. I got my air conditioning back on a very hot day! I’m very grateful. Miles was very friendly and professional. He got the system operational quickly and was informative as he worked. When the office called they were understanding, helpful and professional. I would recommend these...
“Cody and Trevor from S&S Mechanical did an excellent job on the HVAC installation of my daughter’s home. They were very professional and meticulous which I very much appreciate. They explained clearly what they were doing and the advantages of each step taken. The most impressive part was how they...
My A/C started having issues over the holiday weekend & I reached out to S S and got promptly scheduled. The day of appointment I got a text that the technician was on his way with a photo of employee & a little background about him. The technician: Chad Abbot...
“S&S Mechanical is great! We had an urgent need when our AC went out, and they got to us the very next day. We were without AC for less than 48 hours. Don’t even get me started about the incredible price. They beat the other company’s bid by almost $6,000...
“Dakota was great! He was informative and helpful. He came to give us a quote to do some plumbing work. There were some parts we declined because they were simple enough for us to do vs the quote, but he was flexible and gracious about the remaining work.”