Listen
Start with what you noticed, when it started, and what has already been tried.
Residential + marine A/C
The right fix starts with the right diagnosis.
Repairs, installations, and maintenance are just the start. Explore ductwork, mini-splits, insulation, heating, indoor air quality, thermostats, and marine A/C—each with its own service guide.
The complete service lineup
For your home. For your boat. For better comfort.
Choose any service below to see what we do, what to look for, and how to prepare for a visit. Every card opens its own service page.
A/C repair & diagnostics
No cooling, water leaks, unusual noises, or a system that will not keep up? We check operation, airflow, drainage, electrical components, and controls to find the problem before recommending a repair.
Explore this serviceSystem replacement & installation
Equipment selected for your home, not just the old unit’s size. We consider the cooling load, ductwork, installation details, and startup checks so your new system has the right foundation.
Explore this servicePreventive maintenance
Keep a working system ready for the season with cleaning, drainage checks, electrical inspection, operating measurements, and a clear condition update. Have a known problem? Start with a service call.
Explore this serviceDuctwork & airflow
Duct installation, repair, replacement, sealing, and airflow improvements. From boot-to-drywall gaps to return-air restrictions, we look at the whole air path when rooms feel uneven or vents seem weak.
Explore this serviceDuctless mini-splits
Room-by-room comfort for additions, offices, and suitable spaces without traditional ducts. Explore inverter technology, placement, and single- or multi-zone systems, plus installation, repairs, and maintenance.
Explore this serviceBlown-in insulation
Thin or uneven attic insulation lets more heat reach your living space. Learn how loose-fill insulation helps, how materials compare, and why coverage, air sealing, and attic conditions matter.
Explore this serviceHeat pumps & heating
Heat-pump troubleshooting, auxiliary-heat concerns, thermostat setup, and seasonal operation checks. We help sort out normal heating behavior from a system that needs attention.
Explore this serviceUV lights & air purification
Explore professionally installed UV coil lights, REME HALO Zero, HALO-LED, and Air Scrubber options. Compare benefits, find the right fit, and ask about purification, filtration, or humidity upgrades for your home.
Explore this serviceControls & thermostats
Standard and smart thermostat installation, compatibility checks, wiring corrections, and setup. Get controls that work with your equipment, with settings and features you can actually use.
Explore this serviceMarine A/C service
Cabin cooling diagnostics, seawater-flow troubleshooting, sea-strainer concerns, descaling, and preventive service by appointment. Includes a boat-owner self-check and guidance on preparing for our visit.
Explore this service
Marine air conditioning
Cool cabins depend on more than refrigerant.
Marine A/C performance can be affected by seawater flow, strainers, pumps, fouled condensers, controls, drains, airflow, and the refrigeration circuit. Sunset Air approaches the full system before blaming the charge.
- Marine A/C diagnostics and operation checks
- Seawater-flow troubleshooting and descaling
- Airflow, drain, thermostat, and control concerns
- Preventive service by appointment
Marine service scope and marina access are confirmed when the appointment is scheduled.
What to expect
Simple process. Clear handoff.
Test
Work through the system and gather the measurements needed to identify the failure.
Explain
Show you what was found and separate immediate needs from optional improvements.
Handle it
Complete approved work carefully, verify operation, and leave the area clean.
Need service?