HVAC Services in Jacksonville, FL
4.9/5 from 25,000+ Homeowners
Professional mini-split ductless system installation and service for Jacksonville homes
If certain rooms never reach a comfortable temperature no matter how you adjust the thermostat, your central system can’t keep up, and a ductless mini-split delivers targeted comfort exactly where you need it.
Converted garages, finished attics, sunrooms, additions, and older homes without ductwork have limited heating and cooling options. Mini-splits provide powerful climate control without the cost of installing ductwork.
Window AC units block natural light, create security risks, produce excessive noise, and waste energy. A ductless mini-split is quieter, more efficient, and permanently installed without sacrificing windows.
If your energy bills keep climbing, conditioning your entire home to keep one or two rooms comfortable wastes money, and mini-splits let you heat and cool only the rooms you’re using.
Jacksonville homeowners are increasingly turning to ductless mini-split systems for energy-efficient cooling, humidity control, and dependable heating on the cooler North Florida nights when heat pumps do real work. Whether you’re conditioning an older home without ductwork in historic Riverside or Avondale, cooling a room addition in San Marco or Mandarin, or protecting an outdoor unit from salt air near the Beaches, our licensed and NATE-certified technicians can provide expert mini-split design and installation solutions tailored to your home’s needs.
Single-zone mini-split systems provide targeted heating and cooling for individual rooms or areas without relying on ductwork and consist of one outdoor compressor connected to one indoor air-handling unit through a small refrigerant line set routed through a discreet wall penetration. Many systems achieve SEER2 ratings exceeding 20 for exceptional energy efficiency, and indoor units operate as quietly as 19 decibels, making them an excellent solution for bedrooms and workspaces.
Multi-zone mini-split systems provide whole-home or multi-room comfort using a single outdoor unit connected to multiple indoor air handlers throughout the home. Depending on the manufacturer and equipment size, systems can support two, three, four, five, or more independently controlled zones. This means your family members can customize temperatures in individual rooms while avoiding energy waste from conditioning unused spaces.
One of the biggest advantages of ductless mini-splits is the variety of indoor unit styles available to suit different spaces and design preferences. Wall-mounted units remain the most common option and work well in most bedrooms, living areas, and offices, but there are also ceiling cassette units, floor-mounted units, and concealed duct units to choose from.
Regular maintenance helps mini-split systems maintain peak efficiency, indoor air quality, and long-term reliability. You should clean washable filters every two to four weeks, keep outdoor units free of leaves, vegetation, and debris, and choose professional maintenance that includes deep evaporator and condenser coil cleaning, refrigerant level verification, condensate drain flushing, electrical inspection, and comprehensive performance testing.
When you’re searching for mini-split ductless installation, you might not be sure who you’re finding. By choosing us, you’ll get professionals who’ve been locally trusted since 2008, NATE-certified technicians, our on-time guarantee, transparent pricing, and top-rated service.
Mini-split installation cost depends on several factors, including whether you choose a single-zone or multi-zone system, the number of indoor units, the equipment size and efficiency rating, the indoor unit styles you select, and the complexity of the installation in your home. After an in-home assessment, we provide clear, upfront pricing so you know exactly what your project involves before any work begins, with no surprises.
A single-zone system is designed to heat and cool one room or area, and multi-zone systems can connect two, three, four, five, or more indoor units to a single outdoor compressor, depending on the manufacturer and system capacity. Each indoor unit operates independently, allowing customized comfort settings throughout your home.
Yes, ductless mini-splits are among the most energy-efficient HVAC systems available today. Many modern mini-splits achieve SEER2 ratings above 20 for cooling and HSPF2 ratings above 10 for heating. Zone control further improves efficiency by allowing you to condition only the occupied areas rather than your entire home.
Absolutely! Modern mini-split heat pumps provide highly efficient heating, and advanced inverter technology allows many systems to continue operating effectively in temperatures as low as -13°F or below, depending on the model. While heating efficiency gradually declines as outdoor temperatures drop, today’s cold-climate mini-splits maintain strong performance well below freezing.
Most single-zone installations can be completed within four to eight hours. Multi-zone systems serving two or three rooms generally require one to two days, while larger whole-home installations may take two to three days.
Yes, labor warranties for professionally installed mini-split systems typically range from 1 to 2 years, depending on the scope of work. Equipment warranties generally provide five to seven years of parts coverage, while many manufacturers offer compressor warranties extending seven to twelve years.
Whether you’re adding comfort to a single room, replacing an aging HVAC system, or designing a whole-home ductless solution, One Hour Heating & Air Conditioning is ready to help. Our experienced team specializes in customized mini-split system design, professional installation, and ongoing support tailored to Jacksonville’s climate and your family’s comfort goals.
If you have a home in Jacksonville, but your traditional AC is coughing up a storm of inefficiency, it might be time for an upgrade.
With One Hour, our licensed technicians can help install a new mini-split ductless system—a way to get better efficiency and lower electricity bills.
When you call One Hour for your ductless mini-split installation, we will send a team of local professionals to your home or office. Our technicians understand the most common concerns homeowners have with a new mini-split ductless installation, from types to modifications, costs and maintenance.
That’s why our team can help walk you through everything you need from start to finish.
We will help you choose a system that meets your space and needs.
We will advise you on how to position the unit for optimal airflow before we install it.
We will ensure honest, up front pricing and on time appointments.
Remember, “We’re always on time or you don’t pay a dime.”
With our team, you get high quality installations.
When we start, we ensure the work area is clear of obstruction and any modifications to support your new system are made.
We remove your old system if there is one, and install your new one in a flash.
Before leaving, we will clean the work area and test your system to prove it is all up and running.
Once you have your Jacksonville, FL mini-split ductless system installation, we will talk to you about what you can do to help extend the lifespan of your unit. While all appliances will break down over time due to wear and tear, and age, things like regular maintenance checks can ensure small issues don’t get worse.
During these appointments our local technicians will help clear out your air filters, check refrigerant levels, and keep your system working as it should.
Nothing throws a wrench in a peaceful day like a mini-split hiccup. Whether it’s a mysterious rattle or a sudden performance dip, our team can help troubleshoot the cause of your issue and offer fast, reliable repairs. We value your time and your budget, so we won’t recommend unnecessary repairs, and we will always aim for a professional repair before a replacement.
Ready to reap the benefits of reduced energy bills and an eco-friendly home? Call One Hour about a Jacksonville, FL mini-split ductless installation today.
At One Hour, we believe variety is the spice of life. That’s why we offer a stellar lineup of top-tier brands and models. Whether you’re looking for the robust reliability of a well-known brand or the innovative flair of a modern marvel, we have the mini-split that fits your unique style and needs.
Our team of certified professionals is ready to deploy with all the tools and expertise needed to ensure your mini-split system is at its best. From first-time installations to routine check-ups or urgent SOS repairs, we’re here to keep your environment effortlessly cool.
Call us today and step into a cooler tomorrow!
How can we help you?