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AC Not Cooling?
Same-Day Repair.
Fast diagnostics. Honest recommendations. Licensed Texas HVAC technicians ready to restore your comfort — today.
CUSTOM JAVASCRIPT / HTML
CUSTOM JAVASCRIPT / HTML
AC Not Cooling?
Same-Day Repair.
Fast diagnostics. Honest recommendations. Licensed Texas HVAC technicians ready to restore your comfort — today.
CUSTOM JAVASCRIPT / HTML
From Our Founder
Meet Gary, Owner of ASHB
Fast diagnostics. Honest recommendations. Licensed Texas HVAC technicians ready to restore your comfort — today.
Trusted Network
Our Partners
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Our Services
Complete Home
Comfort & Protection
From smart climate control to whole-home backup power — one trusted team for every season.
Smarter, Energy-Efficient Comfort
Smarter, Energy-Efficient Comfort
Air Conditioning & Heating
Air Conditioning & Heating
We install and repair AC and heating systems built for Texas heat. AI monitoring and smart sensors maximize comfort, lower energy bills, and catch problems before they become costly repairs.
We install and repair AC and heating systems built for Texas heat. AI monitoring and smart sensors maximize comfort, lower energy bills, and catch problems before they become costly repairs.
Reliable, Whole-Home Backup Power
Reliable, Whole-Home Backup Power
Generator Installation & Repair
Generator Installation & Repair
Certified technicians install and service standby generators that keep your home powered during outages — with smart monitoring and proactive alerts for total peace of mind.
Certified technicians install and service standby generators that keep your home powered during outages — with smart monitoring and proactive alerts for total peace of mind.
Cleaner, Healthier Air for Your Home
Cleaner, Healthier Air for Your Home
Indoor Air Quality
Indoor Air Quality
Advanced HEPA filtration, air purification, humidity control, and duct cleaning. Actively reduce allergens, pollutants, and mold — for fresher, safer air every day.
Advanced HEPA filtration, air purification, humidity control, and duct cleaning. Actively reduce allergens, pollutants, and mold — for fresher, safer air every day.
Proactive HVAC & Home Care
Proactive HVAC & Home Care
Smart Maintenance Plans
Smart Maintenance Plans
Combine 24/7 AI monitoring with virtual and in-person tune-ups plus priority service. Catch problems early, cut emergency repairs, and enjoy reliable comfort year-round.
Combine 24/7 AI monitoring with virtual and in-person tune-ups plus priority service. Catch problems early, cut emergency repairs, and enjoy reliable comfort year-round.
Why Choose Us
Award-Winning Service
Award-Winning Service
Ranked among the top AC contractors in the region.
Ranked among the top AC contractors in the region.
Background-Checked Techs
Background-Checked Techs
Every technician vetted, certified, and uniformed.
Every technician vetted, certified, and uniformed.
AI-Driven Technology
AI-Driven Technology
Smart diagnostics pinpoint issues faster and more accurately.
Smart diagnostics pinpoint issues faster and more accurately.
Upfront & Fair Pricing
Upfront & Fair Pricing
Honest quotes before we start. Zero surprise fees.
Honest quotes before we start. Zero surprise fees.
Repair Before Replacement
Repair Before Replacement
We fix what can be fixed — no unnecessary upsells.
We fix what can be fixed — no unnecessary upsells.
Same-Day Service
Same-Day Service
Cooling emergencies don't wait. Neither do we.
Cooling emergencies don't wait. Neither do we.
Real Results
Before & After
Drag the slider to see the transformation our technicians deliver.
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We Fix These Every Day
AC Not Cooling
Frozen Coils
Thermostat Issues
Weak Airflow
Electrical Problems
Refrigerant Leaks
High Energy Bills
Emergency HVAC
Real Stories · Verified Customers
Top Rated Across Texas
4.9 / 5 · 1,200+ Verified Reviews
4.9 / 5 · 1,200+ Verified Reviews
T. Holmes
Houston, TX
Detail oriented and focused on pleasing the customer. Had a compressor stop working and the tech was friendly and courteous. Price was reasonable, ended up just needing a minor part. No hassle and tech didn't try to sell a new system. I've had issues with that in the past when the system is only 5 years old. Highly recommend.
Hugh G.
Checked everything for our winter maintenance and showed everything to me when done and was very courteous. Definitely happy with the service.
Checked everything for our winter maintenance and showed everything to me when done and was very courteous. Definitely happy with the service.
Robert L.
Sugar Land, TX
New to Texas and was referred to Air National, could not be more pleased. These guys show up and take care of business. I am going to also have them install a whole house generator.
New to Texas and was referred to Air National, could not be more pleased. These guys show up and take care of business. I am going to also have them install a whole house generator.
Request Fast Service
Need Fast AC Repair?
Call Today
346 222 5674
Same-day appointments · Honest pricing · Licensed Texas technicians
