No commissions
Structural honesty
One honest price
No change orders
Family-owned
Never private equity
Bryant FAD
Factory Authorized
Lic. #
467256
Since
1977
Thermostat installation, set up right for your system.
A smart thermostat only helps if it’s compatible with your equipment and configured correctly, especially with heat pumps and multi-stage systems, where the wrong setup quietly wastes money. As your local thermostat installation company in Napa, we match the control to your system, wire and configure it properly, set your schedules, and show you the app before we leave.
Thermostat Compatibility Check Before Installation
We confirm the thermostat fits your system before recommending it. Not every control fits every setup.
Proper Configuration
Staging, cycle rates, and sensors set correctly, where the real savings live.
Schedules That Fit
Programmed for how your household actually runs, not factory defaults.
The Walkthrough
You leave knowing how to use it. The app, the schedule, the override, all explained.
Smart Thermostat Installation: The Savings Are in the Setup
Marketing sells the thermostat; configuration delivers the result. A smart control that short-cycles a heat pump or ignores staging wastes more than it saves. Ours are wired, configured, and tested against your actual equipment, which is the difference between a gadget and an upgrade. Our thermostat installation covers the wiring, configuration and testing on your actual equipment.
WiFi Thermostat Installation: Control From Anywhere, Set Up Correctly
Away for a weekend and want the house cool by Sunday evening? Warmer for the dog at noon? A properly set-up smart control does all of it without drama. We’ll set the scenes and schedules with you so the system fits your life on day one.
System match
Furnace, AC, heat pump, multi-stage: the control has to speak your equipment's language.
Clean wiring
Correct wiring and a stable common wire, not adapters stacked on hope.
Full configuration
Staging, differentials, and sensor settings dialed to spec.
App & account setup
Connected, named, and working before we leave the driveway.
A quick lesson
Five minutes of walkthrough saves a month of guessing.
Stages of Work
How We Install Your
Smart Thermostat

System Check
We confirm the thermostat works with your heating and AC equipment before we recommend it.

Wiring
Clean wiring, and we confirm a stable common wire so it runs reliably.

Configuration
Staging, cycle rates, differentials and sensors set for your system, not left on factory defaults.

App Setup
App and account connected, named, and working before we leave.

Walkthrough
We show you the schedule and override controls before we leave.
Where we work
Smart Thermostat Installation Across Napa County and the Surrounding Areas
Whether you need smart thermostat installation in Napa, St. Helena, Calistoga, Yountville, or Sonoma, we’re your local thermostat installation company for the whole area, 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.
Posted on Google![]()
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
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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 Nest and Ecobee thermostats in Napa?
Yes. We install the major smart thermostat brands after checking that the model works with your heating and AC equipment. If it does not, we will point you to one that does.
How do I know a smart thermostat will work with my system?
Compatibility depends on your equipment and wiring, and heat pumps and multi-stage systems are the most sensitive. We check both before we recommend a model.
Can you replace my old thermostat with a smart one?
Thermostat replacement is part of our work, including checking the wiring and the common wire so the new thermostat runs reliably.
Will a smart thermostat lower my energy bills?
It can, but the savings come from the setup. A poorly configured thermostat can waste more energy than it saves, so we configure staging, schedules and sensors for how your household runs.
Is there thermostat installation near me in Napa County?
We install thermostats in Napa, St. Helena, Calistoga, Yountville and Sonoma. The visit includes wiring, configuration, app setup and a short walkthrough.