Air-Tro: Your Headquarters for AC Service in Monrovia, Pasadena and the San Gabriel Valley

In today’s world, finding high quality commercial and residential services has never been more important. With skyrocketing utility costs and increased demand for consistent indoor comfort, making sure your system is both energy efficient and effective at indoor heating and cooling is now mission critical for homeowners and commercial business owners. Luckily, with new technology breakthroughs in green energy, it’s never been easier to enjoy total indoor comfort 24 hours a day. For commercial building owners, recent tax changes have also made it a great time for system upgrades while enjoying California tax incentives.

Call Air-Tro at (626) 357-3535, where we specialize in value and cost efficiency for all our customers. We’ve been providing the San Gabriel Valley commercial and residential services since 1969. Family owned and operated, our team of seasoned HVAC professionals offer courteous service, rigorous inspections, and up to date expertise on all the latest technologies, products and best practices.

How Can We Help You?

Heating & Cooling Equipment

The single most important element that determines a heating and air conditioning system’s performance is the quality of installation. Don’t take a chance with yours. Contact us for central AC installation and replacement, mini-split installation, furnace installation and replacement, and heat pump installation and replacement. 

Rapid Response Repairs

Our trucks are fully loaded for any emergency. Whether you’re in need of a small repair or something more serious, our trained experts have your best interests in mind.

Air Quality

Breathe easy knowing your air quality is taken care of. We work diligently to ensure your air quality systems are installed properly and in excellent condition to do their job. From commercial HVAC purification systems to residential UV lights and everything between, we have the products you need to breathe easier.

Professionals You Can Trust

Are you a homeowner in the San Gabriel Valley, Monrovia, Pasadena or Los Angeles looking for an HVAC specialist you can count on? We carefully screen each member of our HVAC team to ensure a positive experience that goes beyond courtesy. It’s about people and service you can trust in your home, at your business, working on your equipment, or around your family.

All our Air-Tro employees are long term, well trained, and trustworthy members of our company family. Many of our teammates have grown with the company for decades themselves. At Air-Tro, we find that the best way to ensure we provide high quality service is by focusing on one thing first: trust. You can count on us, not just for current information or HVAC expertise, but for being people you can rely upon for honesty and integrity every step of the way.

Read our testimonials. Examine our reviews. Check out our years of Readers’ Choice Awards from residential and commercial customers just like you. We’ll work hard to ensure your satisfaction with our work, not just during this visit but for years to come. Call us today at (626) 357-3535.

We've been keeping California comfortable since 1969, winning awards and customers with friendly, experienced technicians and service.

Call Us at (626) 357-3535

Celebrating a Summer of Reading in Monrovia

Air-Tro was proud to support this year’s program, helping the library provide free books, activities, raffle prizes, and other incentives for readers of all ages. The program ran through July 31 and gave local families another opportunity to make reading part of their summer.

Keeping the Mission Moving: OLAA’s Annual Jogathon

We were pleased to support this year’s Jogathon and the work Our Lady of the Angels Academy (OLAA) continues to do for its students and families. Fundraising efforts like this play an important role in ensuring schools like OLAA can continue serving the community.

Oldest Furnace Contest Winner: A Historic 1908 Gravity Heater in Pasadena

Air-Tro’s Oldest Furnace Contest Winner: A Historic 1908 Gravity Heater in Pasadena Imagine a heating system that’s been quietly doing its job since the days when Teddy Roosevelt was in the White House. That’s the story behind Consuelo Woodhead’s remarkable furnace, which just took home the top spot in Air-Tro’s oldest furnace contest. This Pasadena […]

Air-Tro Supports Homes Fore All: When Golf Meets Giving

This year, Air-Tro was honored to serve as a sponsor of Homes Fore All, a golf tournament led by The People Concern, one of Los Angeles’ most impactful nonprofits dedicated to ending homelessness. Need service, installation, or repair on your heating and air conditioning? Call Air-Tro today. We’ve been keeping California comfortable since 1969! (626) 357-3535. 

Air-Tro Supports Local Education with Santa Fe Middle School Sponsorship

We’re honored to contribute in a small way to this important mission and to celebrate the achievements of Santa Fe’s 8th-grade class. Congratulations to the students, teachers, and parents who’ve made it to this exciting moment. The future looks bright!

Jogging Toward a Brighter Future: Join OLAA’s Community Fundraiser

Air-Tro is proud to sponsor Our Lady of the Angels Academy (OLAA) in Arcadia, CA, for their annual Jogathon fundraiser. For 28 years, OLAA has provided quality K-8 Catholic education, relying on community support to meet its operational needs.

Neighbors Name Air-Tro a “2024 Nextdoor Neighborhood Faves” in Nextdoor’s 8th Annual Local Business Awards

Air-Tro has been named a 2024 Nextdoor Neighborhood Fave business, the annual awards program that recognizes local businesses loved by neighbors. If you are in need of heating and cooling pros you can trust call us today at 626-357-3535 to schedule immediate service. 

Run with Purpose: Air-tro supports Our Lady of the Angels Jog-a-Thon

Air-tro was delighted to have partnered with Our Lady of the Angels Academy in Arcadia for their annual Jog-A-Thon fundraiser. Air-Tro remains committed to supporting individuals who share a passion for improving our local community. We’ve been keeping California comfortable since 1969! (626) 357-3535.

Air-Tro Joins Hands with Boys & Girls Club of Foothills for 13th Annual Festival of Trees

Last December, Air-Tro proudly extended its support to the Boys & Girls Club of Foothills during their 13th Annual Festival of Trees. This event, a cherished tradition, serves as a vital fundraiser for the Boys & Girls Club, offering a platform for community members to contribute to the betterment of young lives.

Air-Tro’s “Comfy Pets” Photo Contest Benefits Pasadena Humane

Over the holidays we had asked readers to share their cutest, most adorable photo of their comfy pet for a chance to win over $1,000 in prizes. Not only was it a fun contest, the competition was surprisingly competitive. Thank you to all who participated. Remember, with the weather prone to extremes here in Southern California, pets need a comfortable environment too. Give us a bark (or a meow) at (626)357-3535 for all your heating and cooling needs.

Air-Tro and Girl Scouts Unite for Villa Esperanza

Air-Tro proudly partnered with our local Girl Scout Troop to craft a specialized learning aid for Villa Esperanza School in Pasadena, specializing in autism education. We’re thrilled to make a lasting impact on these young minds and we remain committed to supporting individuals who share a passion for improving our local community. Need service, installation, or repair on your heating and air conditioning? Call us today. We’ve been keeping California comfortable since 1969! (626) 357-3535.

A Swing for a Purpose: Supporting the Pasadena Tournament of Roses Foundation Golf Classic

Let’s swing into action and make a difference together! Air-Tro is honored to be part of this incredible journey with the Tournament of Roses Foundation. At Air-Tro, our commitment extends beyond providing exceptional services — we are dedicated to supporting individuals who share a fervent passion for improving our world. It’s not just about climate control; it’s about creating a climate of positive change.

Stepping up to Support Fontana Elks Lodge Little League

As a company dedicated to serving the community, Air-Tro recognizes the importance of supporting local programs that provide opportunities for children to learn and grow. By sponsoring the Fontana Elks Lodge Little League, Air-Tro is committed to helping children develop life skills, teamwork, and sportsmanship through the game of baseball.

Making a Difference Together with Monrovia Area Partnership’s 13th Annual Neighborhood Conference

Air-Tro Proudly Supports Monrovia Area Partnership’s (MAP) 13th Annual Neighborhood Conference: “Live Your Legacy: Drawing Your MAP to a Better Monrovia.”

Making a Difference One Pitch at a Time with Monrovia Youth Baseball League

Air-Tro was delighted to participate in the opening ceremonies of Monrovia’s Youth Baseball League last month. Need service, installation, or repair on your heating and air conditioning? Call Air-Tro today. We’ve been keeping California comfortable since 1969! (626) 357-3535.

Supporting Our Lady of the Angels’ Annual Jog-A-Thon

As we progress through another year, it’s time to start thinking about ways we can support our local community and give back to those in need. One fantastic opportunity Air-Tro contributed to is Our Lady of the Angels’ Academy annual Jog-a-Thon.

Supporting Monrovia Area Partnership’s upcoming 13th Annual Neighborhood Conference

Air-Tro is supporting  Monrovia Area Partnership (MAP) 13th Annual Neighborhood Conference with a theme of “Live Your Legacy: Drawing Your MAP to a Better Monrovia”. The annual Neighborhood Conference is MAP’s biggest event of the year, boasting 350+ attendees and growing every year. The conference will be on April 29, 2023.

Supporting the Joseph S. Groh Foundation

Air-Tro participated in a “triple-match” donation, where a very successful HVAC business owner offered to triple the donations made during the month, with the goal of raising $100,000 for the Joseph Groh Foundation.

The Festival of Trees Event: Supporting the Boys & Girls Club of the Foothills

Air-Tro is thrilled to support the Boys & Girls club of the Foothills at their 12th annual Festival of Trees event – their largest fundraiser of the year. Donations help to enable young people to reach their full potential as productive, caring and responsible citizens through various programs.

Supporting Monrovia’s High School Ladycats Soccer Team

Air-Tro supports the Ladycats Soccer Team of Monrovia High School. We hope our contributions help to keep these young athletes motivated and inspired so that they will make a positive difference in their own lives and the lives of others.

Supporting the Boys and Girls Club of the Foothills

Air-Tro is proud to support the Boys and Girls Club of the Foothills which enables young people to reach their full potential as productive, responsible, caring citizens. The Club is dedicated to ensuring that all children have access to quality programs and services at an affordable cost.

Supporting the Monrovia Association of Fine Arts

Air-Tro is proud to support MAFA’s main flagship event, now in its 60th year “Art in the Park”. It will feature more than 50 booths of local fine artists demonstrating and displaying their work along with the amazing work of local chalk artists in their ChalkFest.

Supporting the Monrovia Area Partnership (MAP)

Air-Tro is honored to support the Monrovia Area Partnership (MAP). They’ve become more than a program. It is an innovative philosophy that transcends departmental barriers and coordinates public and private resources to provide services with widespread community support.

A Positive Role Model for our Youth: The Monrovia-Duarte Black Alumni Association

Through our growing relationship with the Monrovia-Duarte Black Alumni Association (MDBAA), Air-Tro is delighted to support the education and advancement of African American youth in the Monrovia and Duarte communities.

Creativity in Monrovia Continues with Annual Chalksgiving Event

With the said theme “What We’re Thankful For”, Air-Tro is grateful and honored to support MAFA all way through. They give artists the hope to keep on getting creative despite the pandemic. This is also a golden opportunity to have a great time with family.

Foothill Unity Center Recognizes Air-Tro with Golden Plate Award at 2021 Unity Gala

We’re thrilled to have received the Neighbors Helping Neighbors Business Award at this year’s Foothill Unity Center Gala. This honor recognizes our service to the community during 2020, a time of unprecedented challenges to all. Many thanks to Foothill Unity, and please join us in contributing to this worthwhile organization. Only Air-Tro provides indoor comfort with the knowledge and expertise that comes from more than 50 years as a successful family HVAC business in the San Gabriel Valley. Call us today at (626) 357-3535.

Air-Tro Giving Back to Save Our Restaurants

Monrovia Chamber of Commerce is spearheading a local promotion to save local restaurants struggling during the coronavirus pandemic. Air-Tro is proud to be one of the sponsors contributing to this initiative, and encourages you to help out too!

Air-Tro’s “Pets Want Comfort Too!” Photo Contest Benefits Pasadena Humane Society

Over the holidays we had asked readers to share their cutest, most adorable photo of their comfy pet for a chance to win over $1,000 in prizes. Not only was it a fun contest, the competition was surprisingly competitive.

Check Out Our Moment in the HVAC Spotlight!

Only Air-Tro has been keeping California comfortable since 1969. Call us today for all your HVAC needs. (626) 357-3535.

Air-Tro Employees Giving Back

When it became apparent that food and care products were urgently needed during this pandemic, our employees stepped up to help the Foothill Unity Center serve individuals and families across the Southland with food while our local community struggles to cope with the changes to our routines, plans and day-to-day lives.

Air-Tro is Proud to Support Ruben S. Ayala High School’s Football Team Golf Tournament

Air-Tro is proud to support the Ayala Bulldogs on their upcoming 4th Annual Golf Tournament on June 27, 2022 at Western Hills Country Club, Chino Hills.

Supporting this year’s “At-home Chalk Festival on Thanksgiving”

Through its cooperation with MAFA, Air-Tro is ensuring that the community continues to enjoy creative and artistic activities.

Changing Lives with The People Concern

Air-Tro is proud to assist and support the initiatives of The People Concern to empower the most vulnerable among us to improve their quality of life – housed, healthy and safe – and become active participants in the community.

Engagement, Enrichment and Support by Supporting Plymouth PTA

Air-Tro was proud to support the Plymouth Parent-Teacher Association, Inc. (“Plymouth PTA”),a non-profit, all-volunteer organization that provides support and enrichment to the students and families at Plymouth Elementary School in Monrovia, California.

Air-Tro Heating and Air Conditioning’s Own Bob Helbing Selected for Rotary Award

Get the HVAC professionals the San Gabriel Valley trusts for all their heating and air conditioning needs. Call Air-Tro today (626) 357-3535.

Helping Communities in a Time of Crisis

Air-Tro is proud to be recognized by Foothill Unity Center in its newsletter feature, “Neighbors Helping Neighbors.” 

Sanitized Water System for Plymouth Elementary School

Air-Tro is a proud silver sponsor to the Parent-Teacher Association of Plymouth Elementary School (Plymouth PTA).

Keeping the Mission Alive with Together in Mission

Air-Tro is proud to assist the parishes and schools in Together in Mission’s “Our Story is Alive” Annual Appeal 2020.

Helping to Achieve School’s Soccer Goals

Air-Tro is proud to support the Santa Fe Computer Science Magnet School’s soccer goals. Bob Helbing handed personally handed the donation to the School Principal Geoffrey Zamorripa and ASB Fund Raising Coordinator Dave Hart.

Heating and Cooling Services You can Rely On

 

Looking for the best of the best in repair, maintenance and top quality heating and air conditioning systems? You've come to the right place, with Air-Tro. We've been keeping California comfortable since 1969, winning awards and customers with friendly, experienced technicians and service.