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Open 24 Hours

Emergency Service

Financing Available

With Approved Credit

Stalwart Air Conditioning And Heating Services

AC Inspection, Maintenance and Installation

Your Trusted AC & Heating Company

Save time and money with our certified Air Conditioning repair technicians.

Furnace solutions to keep your house warm. Install a furnace today.

Maintenance is essential to the functioning of your Heating and Cooling system.

What Our Clients Say

Walter and his partner did an excellent job. Installed a brand new evap coil and plenum chamber. Very competitive pricing and great quality workmanship. 

Pratik B.

Professional and knowledgeable group. Fair pricing. I felt like they were looking out for my best interest when it came to repairing my AC unit. 

James P.

Stalwart - Reliable Service in Pearland, Katy, and Surrounding areas

Your Air Conditioning & Heating Company


Air Duct, Insulation, Furnace, Air Conditioning repair and replacement company offers top repair services. Stalwart Air Conditioning And Heating Services can resolve any issues that may arise within your home. Stalwart HVAC (heating, ventilating, and air conditioning) technicians are experts at inspecting and repairing systems that are not cooling or heating properly. They specialize in everything from condensers, coils, air ducts, air filtration to complete AC installations and AC replacements with the best warranties. Need an annual tune-up up? Ask about our service membership. Annual checkups can help prevent many issues from happening to your system. Our platinum premier membership gives customers one tune-up for their heating and another for their air conditioning. This makes sure that you have what your home needs when you need it. Stalwart Air Conditioning And Heating Services can help with the ongoing maintenance of all of your important air conditioning and furnace equipment, as well as annual home inspections to help prevent major HVAC emergencies down the road.

Giving You Professional Heating and Cooling Services

Honesty and integrity are the hallmarks of the Stalwart Air Conditioning And Heating Services business philosophy and are the foundation upon which the company was founded.

We thrive on providing clear explanations to our customers and doing things right the first time. We look forward to serving you and your family for life by providing peace of mind with the best warranties in the business.

You can count on our analysis of your home’s heating and cooling problems as well as our recommendations for installation, and maintenance. We provide state-of-the-art equipment, so all jobs are performed professionally and efficiently. To schedule an appointment with some of the best furnace and air conditioning repair and installation experts, call (281) 825-5971.


Well-functioning heating and A/C systems are imperative to your comfort, both in the office and at home. At Stalwart Mechanical Services, we pride ourselves on our ability to keep those systems up and running. Our trustworthy technicians guarantee your satisfaction 100% of the time. We understand that this equipment is an investment for you, and we always ensure you’re getting the most for your money. For trustworthy HVAC service and installation, consider us your go-to.

Stalwart's HVAC Services Offered

Trustworthy Residential & Commercial HVAC Services

  • Air Purifier System
  • HVAC Parts, Repair, Installation
  • Ductless Systems
  • Attic Insulation and Ventilation
  • HVAC Repair
  • HVAC Maintenance Tune Up and Inspection
  • HVAC Replacement Cost and Installation
  • Gas Furnace Installations

Stalwart Is Here To Make You Smile!

Please Call To Confirm Service in Your Area


  • AC Services
  • AC REpair
  • AC INstallation

Providing Quality Air Conditioning in Pearland, TX


Repairs To Get You Cool Again

Maintaining a well-functioning air conditioning unit is essential. When your air conditioner quits on you, you need a company you can trust to get it up and running quickly and correctly. Our expert technicians have the skills and knowledge to repair any air conditioning problem. It is also a good idea to have a trained expert look at your system from time to time to make sure it is still functioning at its top capacity.

System Maintenance To Prevent Future AC Breakdowns

Your AC system has regular maintenance requirements to perform at optimal efficiency and work safely. Every cooling system should to be inspected by a professional at least twice each year to verify that the system is operating properly. Through proactive maintenance, you can save on utility bills and add to the life and longevity of the system.

Air Conditioner Replacement When It Can’t Be Fixed

Should your air conditioning system be broken beyond repair, our knowledgeable technicians can install a new one quickly to offer top comfort for you and your family. If you wish to upgrade the system because of its inability to operate safely or consistently, our team would be happy to help you pick from a wide assortment of dependable home AC units with extended warranties providing up to 10 years of coverage.

Air Conditioning Services Include


  • Air conditioning system diagnostics
  • Refrigerant leak detection
  • Air conditioner tune-ups & maintenance
  • A/C drain line cleaning
  • Zone control systems
  • Air filter replacement
  • Thermostat replacement
  • Air Conditioning tune-up plans

Main Office:
2817 Miller Ranch Ste 337, Pearland, TX, 77584

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Expert Air Conditioning & Heating Service

License #: TACLA00042992C

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