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1812 W Griffin Parkway, Suite B, Mission, TX 78572

(956) 955-6340


Serving the RGV for Nearly 2 Decades

Frontier Air Conditioning

I need HVAC…

The process of restoring or fixing something that is damaged, broken, or malfunctioning, to bring it back to a functional state.

Maintenance CKC

Regular and proactive activities performed to prevent deterioration in order to keep something in good condition and functioning properly over time. Join our Cowboy Kool Club to start saving today.


The act of substituting or exchanging an existing component, item, or entity with a new one, often done to upgrade, modernize, or address wear and tear.

Carrier-Backed Satisfaction Guarantee

When you call Frontier Air Conditioning your expectations are always exceeded. Education, commitment, and quality products are what our customers can expect when they pick up the phone and dial (956) 955-6340. We offer a personalized touch to every call we receive. From our friendly representative on the phone to the service technicians, and the owner of the business, we are all deeply rooted in the community. As a family-owned, second-generation-run business, we install, service, and repair equipment to last for years rather than weeks. We offer a 100% money-back satisfaction guarantee backed by the Carrier Corporation.

Consecutive 5 year Presidents Award Winner

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Experience you can trust

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Trust in the Experts for Your HVAC System

While there might be a network of numbers you can call for HVAC services in Mission, Penitas, La Joya, Sullivan City, and McAllen, TX, Frontier Air Conditioning stands out from the competition. We are leading the market by installing brand new Carrier brand equipment guaranteed to provide ideal indoor air conditions, clean air quality, and built to last. We are the only company to win the Carrier President’s Award for five years. When you rely on our technicians, expect a family-oriented business that treats our customers right. We aren’t going to needlessly upsell, waste your time, or leave a mess behind.

About Us

Frontier Air Conditioning is Here for Your HVAC Systems

Frontier Air Conditioning is the only local business that employs NATE-certified technicians with years of industry experience in their portfolios. With knowledgeable technicians, a strong core background, and industry-leading products, we are the ideal choice for heating and cooling installation, service, and repair. Servicing all makes and models of equipment in Mission, Penitas, La Joya, Sullivan City, and McAllen, TX, give us a call at (956) 955-6340.

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Air Conditioning Installation, Furnace Service, Heating Service, Furnace Repair & Heater Installation Mission, TX, Penitas, TX, La Joya, TX, Sullivan City, TX & McAllen, TX

HVAC Contractor Mission, TX | AC Service Penitas, TX | Furnace Company La Joya, TX

HVAC ContractorAC CompanyFurnace CompanyHVAC Company ∴ McAllen, TX ∴ La Joya, TX ∴ Penitas, TX

Our Guiding Principles

The action of helping or doing work for someone. “At Frontier we have the passion to serve others above and beyond their expectations.”


The quality of being honest and having strong moral principles; moral uprightness. “In a world of compromises, our integrity stands firm.”


To admire (someone or something) deeply, as a result of their abilities, qualities, or achievements. “We treat everyone with dignity and respect while remaining consistent and humble.”


The quality of being trusted and believed in. “We build trust on credibility; and our credibility is built on truth and action.”

What people are saying
Customer Reviews

Very good job Rigo the tech did. Very thorough and professional attitude. Will use their services whenever I need them again. Excellent service. Another satisfied customer. Keep up the good job.

Jay T

Justin Siguenza of Frontier AC just left my house after providing bi-annual services. He is a very professional tech and I was also impressed with his friendliness. I hope to see him again in six months.


Great service and the owner is very knowledgeable. He took time to answer any question I had. The technicians were very polite and professional. I would definitely recommend Frontier to anyone.

Oscar M

Justin was on time and very informative. Fixed the problem in less than 2 hours. Thank you Justin. Called on Friday afternoon and was there first thing Saturday. Replaced the fan motor and now we are cool again.

Barbara Y

Called for service and the tech was at my door in about an hour! Victor was very professional and explained his processes, repairs and suggestions thoroughly. He got our unit up and running in no time! I will definitely stick with Frontier for any future services.

Anna C

I was very pleased with my experience with Frontier Air Conditioning. From the first phone call after my old AC failed until my new AC was installed everyone were friendly and professional. I recommend them for your AC and heating needs.

Keith T

Rigo did a great job for me. One of my own repairs blew a fuse within my air conditioner. Rigo figured out the problem, replaced the fuse, and explained everything to me so that I don’t make the same mistake again. I’m very impressed with his knowledge and friendly nature.

Brian G

We have always had excellent service from Frontier. They always arrive within time window. Their technicians are very knowledgeable, efficient and clean up after themselves. Robert was great about explaining everything he had done and suggested additional service that should be performed.

Bob L

I have been a customer for awhile now and there’s a reason for that. Thank you for taking care of my 3 A.C. / heater systems. Justin came to do maintenance today and he did a great job. Appreciate everyone’s help..begins with Susan and her friendliness to Jay and Victor whom are also very friendly and helpful. Thank you to all!

Anita R

I have had great service with Frontier AC. My AC is running smoothly and my anti microbial system is working great. Rigo came out today and service my AC today and was friendly and professional. Thanks Frontier.

Carol P

Love this company got a whole new system with them works amazing. And if you need any assistance for service, question etc. They go above and beyond to provide fast quality service. Highly recommend Frontier.

Reynaldo B

Every team member at Frontier were fantastic! They were patient and answered all questions and concerns leading up to the day of install. For the install, the crew arrived on time and finished on time as promised. The install crew were professional, courteous and left the job spotless. Absolute professionalism from begonia to end. Thank you!

Matthew B

Very, very happy with Frontier services, our a/c unit went oit all of a sudden and we were needing to replace the entire unit, and not only did they give us a great price and customer service but they wen out of their way to send out technicians on a Saturday to provide immediate service. Technicians were great and very informative on the unit and any questions I asked. So thank you Frontier for your services.

Layoz M



Rio Grande Valley Proud

(956) 955-6340

HVAC Contractor

HVAC Company

AC Company

Furnace Company

McAllen, TX

Penitas, TX

Sullivan City, TX

La Joya, TX

Mission, TX