
AC Repair & HVAC Services in Galveston, TX
$125 Diagnostic. 24/7 Emergency Service. No Surprise Fees.
AC Repair
AC not cooling? Our certified technicians diagnose and fix all makes and models — often same-day with fast turnaround.
AC Tune-up
Annual AC maintenance catches small issues before they become expensive repairs, improves efficiency, and helps prevent mid-summer breakdowns.
Commercial HVAC
Keep your business comfortable year-round with commercial heating, cooling, and ventilation solutions built for reliability and efficiency.
AC Installation
Get the right system for your home with expert sizing, professional installation, and manufacturer-backed warranties on all new AC units.
Indoor Air Quality
Breathe cleaner, healthier air at home with professional indoor air quality solutions — from filtration upgrades and purification systems to humidity control and ventilation.
Ductless Mini-Split Installation
Expert installation of ductless mini-split systems for efficient, zoned heating and cooling without ductwork. Perfect for additions, garages, and older homes.
Special Offers
Real savings from Galveston's coastal HVAC specialists.
Through Synchrony Bank
New System Financing
New system? $0 down, 0% interest. Because your AC shouldn't wait for your savings account.
- Quick online application
- Competitive interest rates
- No hidden fees
- Flexible payment plans
reg. $350
AC Tune-Up Special
Full coastal AC tune-up — coil cleaning, salt removal, refrigerant check, drain clearing — $225 instead of $350. Catch the small stuff before it becomes a $3,000 problem.
- Full system inspection
- Condenser coil cleaning & salt removal
- Refrigerant level check
- Condensate drain clearing
- Electrical & capacitor testing
All Services
Military Discount
Active duty, veterans, military families — 10% off everything. ID at the door.
- Active duty military
- Veterans
- Military families
- Valid ID required
Cannot be combined with other offers. Call for details.
The Coastal Eco Heating & Air Difference
11 years of excellence. 1,000+ happy customers. One simple promise: We treat you like family.

Meet Your Local Team
Certified technicians ready to serve you
Our Guarantees
Award Winning Service
BBB A+ Rating, Best HVAC Company 2023 (Galveston County), Gulf Coast Disaster Relief Commendation
Built for the Coast
Salt air. Humidity. Hurricane season. Corrosion-resistant solutions and Coastal-Grade equipment that mainland providers overlook.
What Our Customers Say
Real Google reviews from real customers
Dane Carlson
"Coastal Eco was the third HVAC company I called, and the first one that came as a repair company instead of a sales department wearing work boots. My mini splits had stopped blowing cold air, which in Houston in April is not a small inconvenience. It is the beginning of a siege. The upstairs garage apartment where I record my podcast had turned from a quiet little studio into a box of warm air, humming electronics, and bad omens. The first two companies came out, collected their service fees, and then charged me again to "look more closely." I paid because I thought that meant they were going to diagnose the problem. Instead, both arrived at the same tired conclusion: the system was broken, they did not really know what to do with it, and the only path forward was probably a brand-new system costing more than $10,000. They were not repairmen. They were salesmen with tool belts. Then Coastal Eco showed up. They did not glance at the system and retreat into a replacement quote. They did not act mystified by a mini split. They spent an entire day diagnosing it, in the cold rain that sometimes blows through Houston after weeks of heat, as if the weather itself had decided to mock the whole situation. One week you are baking under spring sun, the next you are watching a man work patiently in the rain so that your air conditioner can be ready for the next round. And they stayed with it. That is the part that matters. They stayed with the problem. They worked through it carefully. They treated the system like something worth understanding before condemning. They were patient, honest, competent, and stubborn in the best possible way. There is an old-fashioned dignity in that kind of work. Not the flashy kind. Not the kind that shows up in a sales script. The kind that says: this is broken, and we are going to figure out why. Coastal Eco earned my trust because they did what every repair company claims to do, but too many no longer seem interested in doing: they fixed what was broken. I would recommend them without hesitation to anyone who wants an HVAC company that shows up as craftsmen, not closers."
Verified Google ReviewJeff Dyson
"Great company. Responsive and trustworthy"
Verified Google ReviewMelvis
"Aaron is thorough and extremely knowledgeable. He also has great concern for your comfort. I wouldn’t trust anyone else to keep me cool throughout the summer!"
Verified Google ReviewYour Local HVAC Experts
Professional heating and cooling services with licensed technicians ready to serve our community
Frequently Asked Questions
Have More Questions?
Our professional experts are here to help. Call us today for a free consultation.
Schedule Your $125 Diagnostic
Join 1,000+ Galveston homeowners who trust Coastal Eco Heating & Air for reliable, professional service.
No Hidden Fees
$125 covers the visit
Licensed & Insured
Satisfaction Guaranteed
Potential Annual Savings:
$1,200 - $3,600
With high-efficiency systems