Get matched with top window a/c unit service or relocation pros in Waller, TX

Universal System Controls LLC

11 years of experience

Free onsite estimate

UNIVERSAL SYSTEM CONTROLS LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

"Victor was an absolute pleasure to work with?polite, highly responsive, always on time, and genuinely cares about getting the job done right. He handled variours repairs for me quickly and professionally, explaining everything clearly without any upselling. Highly recommend Victor and Voltacool for anyone needing reliable HVAC and electrical service!"

Cam N on December 2025

"Victor was an absolute pleasure to work with?polite, highly responsive, always on time, and genuinely cares about getting the job done right. He handled variours repairs for me quickly and professionally, explaining everything clearly without any upselling. Highly recommend Victor and Voltacool for anyone needing reliable HVAC and electrical service!"

Cam N on December 2025

Aire Serv of Houston Northwest

Aire Serv of Houston Northwest

Recommended by 100% of Angi customers

14 local quotes requested

Breathe Easy. We Are Here for All Your Heating & Cooling Needs! There are many reasons to confidently choose Aire Serv as your provider of heater and air conditioning services—both commercial and residential. With more than 200 locations throughout the United States and Canada, Aire Serv is a trusted name in the field of heating and air conditioning installation, maintenance, and repair. We are proud of our reputation for putting clients first and getting the job done right the first time, every time. We Offer 24/7 Emergency Service! When your AC goes out in a heat wave or your furnace breaks down in an ice storm, you need emergency service fast! Rest assured and know that Aire Serv is here for you, 24 hours a day, 7 days a week, with live dispatchers, prompt service, and no charge for overtime, weekends, and holidays. It’s good to know Aire Serv is always just a phone call away!

"Steve and Josh came out today to replace the grille and some insulation in my bathroom. They both knew exactly how to go about dealing with the odd size and dimensions of the grille and the opening and also how to go about making sure that the mildew would not reoccur in this setting. They worked together well, were professional, knew their stuff, cleaned up after themselves and were friendly to work with. I'm so glad they came out and got my situation sorted out. I have used Aire Serv in the past and will definitely use them again. Thanks guys."

Ruth A on February 2025

"Steve and Josh came out today to replace the grille and some insulation in my bathroom. They both knew exactly how to go about dealing with the odd size and dimensions of the grille and the opening and also how to go about making sure that the mildew would not reoccur in this setting. They worked together well, were professional, knew their stuff, cleaned up after themselves and were friendly to work with. I'm so glad they came out and got my situation sorted out. I have used Aire Serv in the past and will definitely use them again. Thanks guys."

Ruth A on February 2025

Cooling Technicians

Cooling Technicians

Recommended by 100% of Angi customers

13 local quotes requested

Looking for reliable cooling technicians in Houston? Our team specializes in Heating and Air conditioning install, repair and services. From installations to maintenance, we've got you covered. With our 24-hour emergency service, you can count on us to keep your home comfortable all year round. Contact us today!

"We were in the unfortunate position of needing to replace two HVAC units in our home at the same time. We learned that our son is sensitive to mold and found that our existing units, which were 15 years old, had mold in the plenum. We reached out to five local A/C businesses in efforts to find a person or company we felt comfortable with who would install two new, trustworthy HVACs with a filtration system to combat mold. Adam at Cool Tech was the last person we met with of the five businesses, and ultimately the one who earned our trust. Where some of the companies saw an opportunity to add lots of extra bells and whistles (because of our son's sensitivity), Adam was honest and straightforward about what was necessary and what was not. He offered a competitive price on a time-tested brand (Trane) along with a unique filtration system called the iWave Air. But most importantly, he was generous with his time, knowledge, and experience. In the end, we decided to work with Adam, because he himself would be the person in our home putting the unit together, rather than sending a crew we had never met. Adam guided us through the decision-making process to determine what was best for our home and situation, and he followed the plan through to a T. We will recommend him to all of our neighbors whose a/c units are now reaching the 15 year mark, and we highly recommend him to anyone reading this review."

Ann W on February 2020

"We were in the unfortunate position of needing to replace two HVAC units in our home at the same time. We learned that our son is sensitive to mold and found that our existing units, which were 15 years old, had mold in the plenum. We reached out to five local A/C businesses in efforts to find a person or company we felt comfortable with who would install two new, trustworthy HVACs with a filtration system to combat mold. Adam at Cool Tech was the last person we met with of the five businesses, and ultimately the one who earned our trust. Where some of the companies saw an opportunity to add lots of extra bells and whistles (because of our son's sensitivity), Adam was honest and straightforward about what was necessary and what was not. He offered a competitive price on a time-tested brand (Trane) along with a unique filtration system called the iWave Air. But most importantly, he was generous with his time, knowledge, and experience. In the end, we decided to work with Adam, because he himself would be the person in our home putting the unit together, rather than sending a crew we had never met. Adam guided us through the decision-making process to determine what was best for our home and situation, and he followed the plan through to a T. We will recommend him to all of our neighbors whose a/c units are now reaching the 15 year mark, and we highly recommend him to anyone reading this review."

Ann W on February 2020

Samuels AC

Samuels AC

Customers say: Super punctual

1 years of experience

Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"We are very happy with out now A C unit. Thank you Samuel's AC for a job well done you and your worker's were so kind and professional in getting the job done on time and removing the old unit. Thank you thank you "

Gilbert S on January 2026

"We are very happy with out now A C unit. Thank you Samuel's AC for a job well done you and your worker's were so kind and professional in getting the job done on time and removing the old unit. Thank you thank you "

Gilbert S on January 2026

John Moore Services

John Moore Services

21 local quotes requested

61 years of experience

John Moore has been a family-owned and operated business since 1965. We understand the trust you place in our company when you invite us into your home. “Call John & Get Moore” is more than our company’s slogan; it’s our pledge to you. We’ll explain everything and provide upfront, honest pricing options, so you feel confident from start to finish. We only hire the very best craftsman and give them the very best training and resources. All of our work is backed by the integrity of the John Moore name.

"Jamail Muhammad was EXCELLENT! Thankyou for fixing problem with AC / thermostat! Did very well; professional, knowledgeable, excellent customer service!"

Jeremy W on November 2025

"Jamail Muhammad was EXCELLENT! Thankyou for fixing problem with AC / thermostat! Did very well; professional, knowledgeable, excellent customer service!"

Jeremy W on November 2025

Tradition Services

4.65(

Customers say: Quality work

Tradition Services

87 local quotes requested

15 years of experience

Tradition Services, a family-owned business with extensive experience, offers specialized services in air conditioning, heating, commercial HVAC, plumbing, in-home generators, and air and water purification in Houston, Texas. We prioritize customer satisfaction, always going the extra mile to ensure every client is completely satisfied. Our highly skilled team stays current with the latest technology, providing reliable and efficient service to keep your home comfortable year-round. Whether it's routine maintenance, emergency repairs, or new installations, Tradition Services delivers exceptional service every time.

"Efficient, courteous, & knowledgable on moves. Thank you for a great job Brandon!!!"

Rebecca {Robert} 713-597-1193 S on November 2025

"Efficient, courteous, & knowledgable on moves. Thank you for a great job Brandon!!!"

Rebecca {Robert} 713-597-1193 S on November 2025

Kelly's

Kelly's

Recommended by 94% of Angi customers

39 local quotes requested

KELLY'S is a locally owned Houston, TX business striving to repair, install and maintain all your residential and commercial HVAC units. With our fully licensed and insured specialize teams and use of the latest state of the art equipment we love to create a safer and cleaner environment. Keeping you, families, friends and love ones warm or cool. Check out our commercial: https://youtu.be/l96YzCJdo-I We offer service Monday – Sunday Fair price Free estimates Top-notch air conditioning technicians We are certified by OSHA We offer financing Unparalleled customer service Fully licensed and Insured

"Elie Joseph and Raz were amazing we had a small hiccup that hasn?t planned and they worked until they figured it out. I will definitely be using this company again. Thank you! "

george _ on January 2026

"Elie Joseph and Raz were amazing we had a small hiccup that hasn?t planned and they worked until they figured it out. I will definitely be using this company again. Thank you! "

george _ on January 2026

Better Than Best A/C and Heating

Better Than Best A/C and Heating

Emergency services offered

Free onsite estimate

We are a family owned and operated A/C and heating service company in Tomball TX. We have over 20 years in the industry and always put our customers needs first. Relationship over profits is how we run our company and maintain an excellent track record of superior customer service. We offer all HVAC services, repairs, installation for residential and commercial up to 25 tons. We install and service Mini Split units as well as offer dryer vent cleaning. We do not offer duct cleaning, or insulation.

"smooth sailing"

Matt C on October 2020

"smooth sailing"

Matt C on October 2020

PHR A/C & Heating

PHR A/C & Heating