No commissions
Structural honesty
One honest price
No change orders
Family-owned
Never private equity
Bryant FAD
Factory Authorized
Lic. #
467256
Since
1977
Ductless Mini Split Installation in Napa, Sized Room by Room
Ductless mini split installation in Napa works best when the system is matched to the rooms it serves, not to a rule of thumb. We size each zone to its room, place the indoor unit where the air will actually reach, and run the line set cleanly so the job looks as good as it performs. No ducts to build, no walls torn open, and one honest price before we start.
Room-by-Room Sizing
Each zone is sized to its own room, not copied from a chart.
No Ductwork Needed
Heating and cooling for spaces your ducts never reached.
Clean Line-Set Routing
Neat runs, tidy exterior, and a drain that goes where it should.
One Honest Price
Scoped at your home first, then one price before work starts.
Ductless Mini Split Systems for Rooms Your Ducts Don't Reach
Additions, converted garages, sunrooms, and older Napa homes that never had ductwork are where ductless mini split systems earn their keep. One outdoor unit can serve a single room or several, and each zone has its own thermostat, so you heat and cool only the spaces you use. Ductless AC installation also avoids the losses that come with pushing air through an attic or crawl space.
Single-zone systems
One indoor unit for one room, the simplest setup.
Multi-zone systems
Several indoor units on one outdoor unit.
Wall-mounted units
The most common indoor unit, mounted high on the wall.
Ceiling and concealed units
Low-profile options when you want the unit out of sight.
Individual zone control
Each room set to its own temperature.
Ductless Mini Split Heat Pump: Heating and Cooling in One System
Most ductless mini splits are heat pumps, so the same system cools in summer and heats in winter. For a Napa room that needs both, that means one outdoor unit and one set of controls instead of a separate heater and AC for the same space. If you are weighing it against replacing a whole system, our heat pump replacement and heating installation pages cover that comparison.
Honest Advice
Ductless Mini Split vs Central Air: Which Fits Your Home
If your home already has healthy ductwork, central air may be the simpler answer, and we will say so. If it does not, or you are trying to fix one hot or cold room, a ductless mini split usually costs less than building new ducts. We look at the house first, then tell you which one fits, not which one pays us more.
Your Home Has
Healthy ductwork
Central air may be the simpler answer.
Your Home Has
No ducts, or one problem room
A ductless mini split usually costs less than new ducts.
Repair & Maintenance
Ductless Mini Split Repair and Maintenance
A ductless system that stops cooling, leaks from the indoor unit, or throws an error code needs a proper diagnosis, not a guess. Our ductless AC repair covers the indoor unit, the outdoor unit, the refrigerant circuit, and the controls. Regular ductless mini split maintenance, including cleaning filters and coils and checking the drain, keeps the system efficient and catches small problems early.
What Our Repair Covers
Indoor Unit
Outdoor Unit
Refrigerant circuit
Controls
REGULAR MAINTENANCE
- Clean filters
- Clean coils
- Clean the drains
Stages of Work
How We Install Your Ductless Mini Split

Call or Schedule
Call 707-252-7227 or request a free consultation and tell us which rooms you want to heat and cool.

Visit and Measure
We look at each room, the walls and windows, and where the indoor and outdoor units can go.

One Price Up Front
You get one price for a defined job before anything is touched. Our technicians earn no commission.

Clean Installation
Each zone is sized to its room, the line set is routed neatly and the drain goes where it should.

Tested and Explained
We check refrigerant charge and pressures, then show you the controls and how to keep the system maintained.
Where we work
Ductless Mini Split Installation Across Napa County and the Surrounding Areas
We serve Napa, St. Helena, Calistoga, Yountville, and Sonoma, from the city of Napa up the valley and over the hills into Sonoma Valley and Green Valley, for both homes and businesses.
In the valley’s words
Counted on since 1977.
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Catherine MorenoTrustindex verifies that the original source of the review is Google.
Excellent service as alwaysPosted on Google![]()
Voni SchaffTrustindex verifies that the original source of the review is Google.
Very professional serviceman … on time and efficient … polite and considerate. I enjoy the service appointments with Reliable Heating and Air. VFSchaffPosted on Google![]()
Cal FalkTrustindex verifies that the original source of the review is Google.
Always good service bt DarrenPosted on Google![]()
Karen RubioTrustindex verifies that the original source of the review is Google.
Very smooth, wonderful work and great execution.Posted on Google![]()
Jenny GassTrustindex verifies that the original source of the review is Google.
Professional, friendly and trustworthy.Posted on Google![]()
Patrick MuleadyTrustindex verifies that the original source of the review is Google.
They are the nicest and most efficient service company. I have worked with in recent memory.Posted on Google![]()
Conley ByrnesTrustindex verifies that the original source of the review is Google.
On time and great working with the service rep!Posted on Google![]()
Bret JohnsonTrustindex verifies that the original source of the review is Google.
Amazingly on target in timing and service diagnostics and repair of the condenser and charging the system. Great experience!Verified by TrustindexTrustindex verified that these reviews were published on Reliable Heating and Air's Google Business Profile. Learn more
Other Services
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Questions & Answers
Frequently
Asked Questions
Common questions about our services and process. If you don’t find what you’re looking for, call us at 707·252·7227.
Do you install ductless mini splits in Napa?
Yes. We install single-zone and multi-zone systems in Napa homes, additions and converted spaces. Call 707-252-7227 or schedule a free consultation.
How much does mini split installation cost in Napa?
It depends on the number of zones, the size of each room and how the line set can run. We look at the house first and give you one price before work starts.
Is a mini split better than central air for my Napa home?
If your home has healthy ductwork, central air may be the simpler answer. If it has no ducts, or you are fixing one problem room, a mini split usually costs less than new ducts. We tell you which fits, not which one pays us more.
Can a mini split heat a room as well as cool it?
Yes. Most ductless mini splits are heat pumps, so the same system cools in summer and heats in winter.