
Maximize efficiency with professional mini split service in South Hill, WA from Infinity Heating & Air. Get started today with expert technicians.


For homeowners in South Hill, achieving consistent, year-round comfort without skyrocketing energy bills can be a challenge. Traditional HVAC systems often struggle with temperature inconsistencies, leaving some rooms too hot while others are too cold. Ductless mini-split systems offer a modern, highly efficient solution for zoned heating and cooling, and Infinity Heating & Air provides dedicated services to help you get the most out of your investment. We offer comprehensive installation, meticulous repair, and proactive maintenance for mini-split systems tailored specifically to the needs of South Hill residents. Our team of skilled technicians is committed to delivering exceptional performance, reliability, and energy efficiency for your home.
Proper installation is the foundation of an effective and long-lasting mini-split system. Our process begins with a detailed evaluation of your home’s unique layout, insulation, and comfort requirements. Infinity Heating & Air helps you determine the ideal number and placement of indoor air handlers, creating customized temperature zones for full control over each room’s comfort.
Our certified technicians handle every step of installation with precision. We correctly size both the outdoor condenser and indoor units to match your home’s heating and cooling load. All electrical and refrigerant line connections are completed to the highest industry standards and local South Hill building codes. By ensuring a flawless setup from day one, we guarantee your new ductless system will operate quietly, efficiently, and reliably for years to come.
Even dependable mini-split systems may experience issues over time. When your system is not performing as expected—whether it’s unusual noises, water leaks, weak cooling, or not turning on—you can rely on Infinity Heating & Air for fast, expert repair.
Our technicians arrive with advanced diagnostic tools to pinpoint issues, from refrigerant leaks and electrical faults to malfunctioning fans and clogged condensate lines. We service all major brands, using high-quality replacement parts to restore your system to peak condition. We understand a breakdown is disruptive, so our priority is prompt, professional repairs that quickly return comfort to your South Hill home.
Regular maintenance is the best way to protect your investment in a ductless mini-split system. Our maintenance plans at Infinity Heating & Air are designed to maximize efficiency, extend system life, and improve indoor air quality. Over time, dust, pollen, and debris collect on filters, coils, and blowers, forcing the system to work harder and consume more energy while also circulating allergens.
During a scheduled visit, our technicians perform a full system tune-up, including:
With routine maintenance, you can lower monthly energy bills, avoid costly repairs, and ensure your family enjoys clean, comfortable air year-round.
Choosing Infinity Heating & Air means working with a local team that understands South Hill’s unique climate and housing needs. We are more than service providers—we are your neighbors, committed to keeping homes comfortable and energy-efficient. Our expertise in ductless technology ensures every installation, repair, or maintenance service is handled with precision.
We are known for:
When you choose us, you gain a trusted partner dedicated to long-term comfort and efficiency in your home.
Ready to optimize your home’s comfort with reliable ductless solutions? Infinity Heating & Air is here to help with installation, repair, and maintenance services. Contact our team today to request an estimate, explore our maintenance plan options, or learn more about current promotions. You can also visit our About Us and Reviews pages to see why so many South Hill homeowners trust our team.
Schedule your mini-split service today and experience the Infinity Heating & Air difference.

Our expert technicians are ready to serve you and your home.



