Keeping Texas Cool with Reliable Heating & Cooling Solutions
From quick AC repairs & ductless mini split installations to full AC installations, Northwest Instant Air delivers expert HVAC service to the Northwest Houston area that you can count on — every season.
Quick service, honest & affordable AC pricing, and expert HVAC technicians — here’s why Northwest Houston turns to us for their heating & cooling needs.
🕒 Fast Response Times
We’re known for our quick turnarounds — often same-day AC service in Waller, Cypress and surrounding areas.
💰 Honest, Upfront & Affordable Pricing
No hidden fees. Just fair, transparent pricing you can count on.
🛠️ Certified HVAC Technicians
Licensed, kind and experienced technicians who get it right the first time.
🕒 Fast Response Times
We’re known for our quick turnarounds — often same-day service in Waller and surrounding areas.
💰 Honest, Upfront Pricing
No hidden fees. Just fair, transparent pricing you can count on.
🛠️ Certified HVAC Experts
Licensed and experienced technicians who get it right the first time.
A Commitment to Comfort, Quality, and Care
We understand how vital it is to have a dependable A/C and heating system in a city like Houston. That’s why our licensed professionals deliver fast, reliable service for homes and businesses across Waller, Cypress, Tomball and surrounding areas. From seasonal ac tune-ups to full HVAC installs, we bring comfort, craftsmanship, and integrity to every job.
Licensed & Insured HVAC Technicians
High-Quality HVAC System Installations & Repairs
Family-Owned with 38 Years of Heating & Cooling Experience
How We Take Care of You, Your Home and Your HVAC System
🛠️ A/C Repair
Reliable HVAC Repairs & Troubleshooting
We quickly diagnose and fix issues to restore comfort — from no-cool AC emergencies to strange sounds, leaks, or weak airflow.
❄️ Mini Split Installation
Ductless Mini Splits for
Targeted Comfort
Perfect for garages, offices, and home additions — our energy-efficient mini splits offer year-round comfort without ductwork.
📆 Seasonal AC Maintenance
19-Point A/C
Tune-Up & Inspection
Protect your system (and your wallet) with routine AC maintenance that keeps your HVAC system running at peak performance.
Exceptional HVAC Service, Unmatched Comfort!
Northwest Instant Air A/C & Heating for professional, reliable HVAC company in the Northwest Houston area, serving Waller, Cypress, Tomball, Katy and more. Each HVAC technician is licensed and arrives in a fully stocked vehicle, ready to restore comfort to your home or business quickly and efficiently.
What areas do you serve?
We serve the greater Northwest Houston area, and more including Houston, Cypress, Waller, Katy, Tomball, Magnolia, The Woodlands, Hockley, Hempstead and beyond!
What HVAC services do you offer?
We offer A/C repairs, HVAC system installations, ductless mini split installs, AC maintenance AC tune-ups, emergency AC repairs and more for both residential and commercial customers.
Are you licensed and insured?
Yes! We are fully licensed and insured in Texas (TACLB00013927E), and our HVAC Technicians have the training and experience to handle any HVAC system issue.
How fast can you respond to a service call?
In most cases, we offer same-day or next-day service. We understand most emergency HVAC issues can’t wait — we prioritize quick and dependable responses and aim to offer same day AC repairs when we can.
Our Work
Customer Testimonials
"Absolutely will never use anyone else!! Mike is honest reliable and trustworthy!! Saved me lots of money!! Thanks Mike"
Jenn Pinkerton, Customer
"My house has never felt better! He did a great job. His team is respectful and timely. I would recommend him to anyone having ac or heating problems."
Caroline Moore, Customer
"A honest, hard working, dedicated, and trustworthy man named Mike Dunn , was prompt, courteous, and very experienced! I would refer him to anyone, especially the northwest area as I live in Hockley but I bet he would go anywhere. A great a/c experience ! Thank you Mr. Dunn for your expertise and kind nature."
Laura Martin, Customer
AC Installations, AC Upgrades,
AC Repairs & More
Free estimates available for new installations, complex repairs, and multi-unit projects.