Houston's #1
HVAC ExpertsHVAC Experts
Family-owned. 500+ five-star reviews. Heating, cooling & air quality — done right.
ENERGY EFFICIENT
Save up to 40%
24/7 SERVICE
Always available
5.0 RATED
500+ reviews
YEARS
REVIEWS
SERVICE
HAPPY
EXPERT HVAC
SERVICES
From emergency repairs to full system replacements, our certified technicians handle all makes and models.
VIEW ALL SERVICESAIR CONDITIONING
SERVICES
Complete AC installation, repair, and maintenance for all makes and models.
HEATING
SERVICES
Professional furnace and heating system installation, repair, and maintenance.
HEAT
PUMPS
Energy-efficient heat pump systems for year-round heating and cooling comfort.
DUCTLESS
SYSTEMS
Zone-controlled ductless mini-split systems for targeted comfort in any room.
INDOOR AIR
QUALITY
Air purification, filtration, and humidity control for healthier indoor air.
MAINTENANCE
PLANS
Preventative maintenance plans to maximize efficiency and extend equipment life.
COMFORT SPECIALIST
QUALITY WORK
THAT PAYS
We earn your confidence with transparent pricing, timely response, and a focus on lasting satisfaction. The specialized HVAC contractor for those who value honesty.
HONESTY
& INTEGRITY
Our brand differentiator. Transparent recommendations and fair pricing—no upselling, just honest service.
- Upfront pricing
- Transparent quotes
- No hidden fees
TRANE
CERTIFIED
We meet the highest performance standards, connecting you with the most dependable, energy-efficient systems.
- Certified experts
- Premium equipment
- Factory training
PROVEN
TRACK RECORD
Years of dedicated service to Houston. Our legacy is built on quality work and customer satisfaction.
- Family owned
- 15+ years loyalty
- Community trusted
READY TO EXPERIENCE THE DIFFERENCE?
Schedule your service today and discover why Houston homeowners trust us.
Years Customer Loyalty
500+
5-Star Reviews
5.0
Star Rating
Houston's Trusted HVAC Experts
All Makes and Models | Heating & Air Conditioning Service and Repair
A customer-focused, family-run company, Alief Ultra Mechanical Air Conditioning and Heating provides Houston-area residents with expert, energy-efficient HVAC services for year-round comfort. Because our business is built on referrals from satisfied customers, we make connecting you with the most dependable equipment and highest quality service our daily mission.
When you need work done on your heating and cooling systems, or need to replace current equipment, Alief Ultra Mechanical Air Conditioning and Heating team is the reliable HVAC contractor in Houston, TX you can trust.
- Family-owned and operated
- Trane Comfort Specialist certified
- All technicians licensed and insured
- Transparent, upfront pricing
IT'S HARD
TO STOP
A TRANE.
As a Trane Comfort Specialist™, we deliver Houston's most reliable, energy-efficient HVAC systems—engineered for extreme Texas heat.
10-YEAR
WARRANTY
21+ SEER
EFFICIENCY
BY THE NUMBERS
ENGINEERED FOR EXCELLENCE
Ready to upgrade to Trane? Get a free in-home consultation.
SCHEDULE NOWTARGETED COMFORT
SOLUTIONS
Whether it's your family home or your business, we have the expertise to keep your environment perfectly controlled year-round.
HOME COMFORT
EXPERTS
Comprehensive residential HVAC services ensuring your home's heating, cooling, and air quality needs are met with professionalism and efficiency.
15K+
HOMES SERVED
BUSINESS
SOLUTIONS
Robust, scalable HVAC solutions for businesses of all sizes—from light commercial to full commercial operations in the Houston area.
500+
BUSINESSES
FOCUSED EXPERTISE, EXCEPTIONAL RESULTS
We specialize in residential and light commercial properties for concentrated, expert service.
PROTECT YOUR
INVESTMENT
Pay once a year for complete peace of mind. Regular maintenance is the best value for ensuring your AC and heating systems are always tuned and ready.
YEARLY PLAN
One-time annual payment
TWO CHECKUPS
PER YEAR
Spring and fall tune-ups to keep your system running at peak performance.
10% OFF
ALL PARTS
Save on every repair with exclusive member discounts (excludes refrigerant).
FREE
DIAGNOSTIC
One complimentary $89 diagnostic call per year to use at your discretion.
PRIORITY
SERVICE
Jump to the front of the line during busy seasons when you need us most.
WHY MAINTENANCE MATTERS
Serving Houston, Sugar Land, Katy & surrounding areas
WHAT OUR
CUSTOMERS SAY
Our business is built on referrals from satisfied customers. Read what Houston homeowners say about our service.
4.6
STAR RATING
106+
REVIEWS
"We used them last year for a new Trane and they were great. They did an excellent job protecting our home and the AC works great. Today we called for a service call on an older Trane and they sent a 20 year employee. He got us back up and running for a very reasonable service call. These guys are trustworthy and the kind of people you want working on your home."
TG Johnson
Trane Installation
READY TO JOIN OUR HAPPY CUSTOMERS?
Experience the honest, trustworthy service Houston homeowners love.
FINANCING0% APR
FOR 60 MONTHS
Replacing your home cooling system is a major decision—don't let cost hold you back. Upgrade to premium comfort with easy monthly payments.
The Wells Fargo Home Projects credit card is issued by Wells Fargo Bank, N.A., an Equal Housing Lender. Subject to credit approval.
0% FOR 60 MONTHS
Full System Replacement
Get your complete HVAC system replaced with zero interest for 5 full years. The smartest way to upgrade your home comfort.
0% FOR 18 MONTHS
Equipment & Repairs
Perfect for single pieces of equipment or repairs over $1,200. Get the service you need now, pay over time.
PROUDLY SERVING
GREATER HOUSTON
We focus on owning our backyard before aggressive expansion—ensuring rapid response times and expert service in our core territory.
PRIORITY SERVICE AREAS
Fastest response times guaranteed
EXTENDED SERVICE AREAS
NOT SURE IF WE SERVE YOUR AREA?
Call us to confirm service availability in your neighborhood.
WHEN YOUR
AC FAILS,
WE ANSWER.
Houston summers don't wait—and neither do we. Our emergency team is standing by around the clock to restore your comfort.
EMERGENCY?
We're ready when you need us most
Factory Authorized Dealer
Premium HVAC Partner
Serving Houston, Sugar Land, Katy & surrounding areas since 1969