Ductless Mini-Splits
Ductless mini-split installation for additions, converted basements, sunrooms, and older homes where running new ductwork isn't practical.
- Per zone
- $3.5k–$5.5k
- Install time
- 1 day
- Great for
- Additions · sunrooms
Every ductless mini-splits includes the following, no surcharges, no surprise line items.
- Single-zone and multi-zone configurations
- Inverter-driven efficiency, quiet, cheap to run
- Great for garages, in-law suites, and finished attics
- Pairs well with a heat pump for whole-home coverage
When ductless wins
Ductless mini-splits solve problems central systems can’t: the finished basement that’s 10° colder than the rest of the house, the converted garage with no return air, the bonus room over the garage that gets blazing in August, the sunroom nobody uses in February. Running new ductwork to these spaces is expensive and often ugly. A mini-split is a wall-mounted head and a refrigerant line.
Configurations we install
Single-zone (one outdoor unit / one indoor head) for a one-room problem. Multi-zone (one outdoor unit / 2–5 indoor heads) for whole- home ductless setups, which make sense in older homes without existing ductwork or in remodels where we’re relocating the air handler anyway.
Efficiency + operating cost
Inverter-driven mini-splits are dramatically more efficient than old window units or baseboard electric, SEER2 ratings of 20+ are common. Operating cost for a single-zone serving a 300 sqft room is usually $20–$40/month in peak cooling, significantly less than a portable AC.
What sets this ductless mini-splits job apart.
Clean line set runs, we hide them in soffits, walls, or slim duct covers. No zip-tied lines down the exterior.
Proper condensate routing, most mini-split failures are actually drain failures, which we solve with gravity drains plus a float switch.
Multi-zone matched systems, not a rag-tag collection of heads on oversized outdoor units.
Warranty registration handled on install day.
ductless mini-splits, quick answers.
- Yes, down to about 5°F. In the occasional Northern Kentucky cold snap below that, a hyperheat-rated model can still put out some capacity. For primary home heating we typically recommend dual-fuel pairing with existing backup heat.
- Single-zone: one day. Multi-zone: 1.5–3 days depending on head count and run lengths. All installs get refrigerant charge verification and startup checklist sign-off before we leave.
- Single-zone installs typically $3,500–$5,500. Multi-zone (2 heads) $6,500–$9,500, scaling up from there. The 25C tax credit applies if you choose a qualifying heat-pump-rated system.
Watson ductless mini-splits reviews.
Google reviews from Northern Kentucky homeowners, filtered to mentions of ductless mini-splits work.
“Mike and his team installed 6 mini-split ac/heating units at our property. We could not have asked for a better company to work with on this big project. From the initial walk through to the quote, the actual install and the follow up--the entire team was professional and left all areas worked in cleaned and picked up. It was a long project as we were having to work around weather and situations at our property. They were understanding about the times we couldn't have them working and did everything they could to get the job done as quickly as possible. Would definitely recommend them for any service, but this was a huge job that turned out perfectly. And let me say this--if you're even remotely considering mini-split/ductless units for any property you own, these are a game changer in terms of being able to cool and heat rooms that were troublesome in the past because you have just one whole house unit.”
“Watson Heating and Air repaired and serviced a mini-split system, which had not been working correctly. The system has never worked better! Thank you, Watson Heating and Air!”
“Watson came highly recommended from our neighbors and lived up to the praise! We had insufficient/broken supply and returns in our home and several rooms were uncomfortable temperatures throughout the year. We received quotes from multiple companies prior to going with Watson. Watson had the most well thought out, affordable, honest and conservative solution. They adjusted their plan based on our needs and requests, provided a quote quickly, scheduled the work (very) quickly and communicated effectively with us through the entire process. We’re very happy with our new supply and return vents, new and repaired ductwork and new ductless system in our upstairs area. We’ll be calling them for all future hvac needs!”
Firefighters, EMTs, police officers, and healthcare providers get an additional discount on any Watson service. Stacks with our Service Plan. Just mention it when you schedule.
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