About Us

Welcome to AAIR Systems Technologies: Your Trusted HVAC Partner in Oxford, MAFor over three decades, AAIR Systems Technologies has been the cornerstone of indoor comfort for homes and businesses throughout Oxford and surrounding Massachusetts communities. Since 1993, we’ve built our reputation on technical excellence, unwavering professionalism, and a genuine commitment to enhancing the comfort of every space we service.

Our Commitment to Excellence

What truly sets AAIR Systems Technologies apart is our unwavering dedication to professional development and customer satisfaction. Every member of our team undergoes rigorous, continuous training to stay ahead of emerging HVAC technologies and industry best practices. This commitment ensures that whether we’re installing a new system or performing routine maintenance, you’re receiving service from some of the most knowledgeable professionals in the field.

Comprehensive HVAC Solutions

We pride ourselves on offering a complete range of heating and cooling solutions tailored to New England’s unique climate challenges. Our expertise spans:

Residential Services

  • Custom-designed heating and cooling systems that perfectly match your home’s specifications and your family’s comfort needs
  • Advanced ductless mini-split systems for targeted temperature control and energy efficiency
  • State-of-the-art hydro-air systems combining the best of forced hot water and air heating technologies
  • Traditional forced hot water systems, expertly installed and maintained for optimal performance

Commercial Solutions

  • Robust rooftop units designed for demanding commercial applications
  • Industrial-grade boiler systems with advanced efficiency features
  • Comprehensive commercial HVAC maintenance programs
  • Emergency service response for business-critical systems

Specialized Expertise


As certified Mass Save cold climate heat pump installers, we’re at the forefront of energy-efficient heating and cooling solutions. Our team specializes in:

  • High-efficiency heat pump installations optimized for Massachusetts winters
  • Steam system modernization and maintenance
  • Advanced gas and oil hot air furnace systems
  • Hybrid heating solutions combining traditional and renewable technologies

The AAIR Advantage

Experience: With 31 years in the industry, we’ve encountered and solved virtually every HVAC challenge imaginable. This depth of experience means faster problem resolution and more reliable installations.

Technical Excellence: Our technicians receive ongoing training in the latest HVAC technologies and installation techniques. This commitment to education ensures you’re always getting cutting-edge solutions and superior workmanship.

Customer-First Approach: We believe in building lasting relationships with our clients. From the initial consultation to routine maintenance visits, you’ll experience our signature blend of technical expertise and friendly, respectful service.

Energy Efficiency Focus: As certified Mass Save partners, we’re committed to helping our customers reduce their energy consumption and environmental impact while maintaining optimal comfort levels.

Local Understanding: Based in Oxford, we understand the unique heating and cooling challenges of Massachusetts weather. Our solutions are specifically tailored to perform in our local climate conditions.

Emergency Services: We recognize that HVAC issues don’t always occur during business hours. That’s why we offer responsive emergency services to address urgent heating and cooling needs.

Quality Assurance

Every installation and service call is backed by our commitment to quality. We use only premium materials and equipment from trusted manufacturers, and our work is guaranteed to meet or exceed industry standards. Our technicians take pride in their craftsmanship and treat every project, whether large or small, with the same level of attention to detail.

Community Commitment

As a local business, we’re deeply invested in the Oxford community and surrounding areas. We take pride in helping our neighbors maintain comfortable, efficient homes and businesses throughout the year. Our long-standing presence in the community is built on trust, reliability, and consistent delivery of superior HVAC services.

Contact Us

Don’t let heating or cooling issues compromise your comfort. Whether you’re considering a new installation, need emergency repairs, or want to schedule routine maintenance, our team is ready to help. Contact AAIR Systems Technologies today to experience the difference that three decades of expertise can make in your home or business comfort solutions.

Your comfort is our priority – let us show you why AAIR Systems Technologies has been the trusted choice in Oxford, Ma and beyond for over 31 years.

Call us today with your home comfort needs!

Ryan Casavant
Owner/Operator

Contact Us

Mitsubishi Diamond Elite Contractor

Mitsubishi Electric Cooling & Heating is one of the biggest names in ductless climate control. The company’s premier-level installers are called Mitsubishi Diamond Elite Contractors. These dealers are chosen based on their tremendous skill and excellent customer service ratings. Residents Worcester area can expect the highest level of service and product support.

Benefits of a Mitsubishi Diamond Elite Contractor

Once selected, Diamond Elite Contractors receive additional product support and installation training. This ensures every customer will receive the best advice and product information for their particular situation. This added knowledge base is essential in a climate as varied as ours here in the North East Additionally, Diamond Elite Contractors are authorized to provide customers with an exclusive 12-year compressor and parts warranty. You can rely on Mitsubishi Electric products to serve you for years to come. This is also one of the many reason that we are a Mitsubishi Diamond Elite contractor.

Bryant Factory Authorized Dealers

What makes a Bryant Factory Authorized Dealer stand out is the unparalleled performance the company offers – true excellence in every aspect of operations, product solutions and technical know-how.

Look for the Bryant Factory Authorized Dealer emblem which indicates your dealer has met our high standards for superior skills… superior service… superior products… superior comfort… and a superior promise — in writing — of 100% satisfaction, guaranteed. This is what our Bryant Factory Authorized Dealer and the dealership emblem stand for.

NATE Certified

North American Technician Excellence (NATE) is an independent, third-party organization that develops and promotes excellence in the installation and service of heating, ventilation, air conditioning, and refrigeration equipment by recognizing high-quality industry technicians through voluntary testing and certification. Our technicians have passed the rigorous testing necessary to qualify as NATE Certified Technicians.

BBB Recommended

The Better Business Bureau (BBB) system in the U.S. extends across the nation; coast-to-coast, and in Hawaii, Alaska, and Puerto Rico. Since the founding of the first BBB in 1912, the BBB system has proven that the majority of marketplace problems can be solved fairly through the use of voluntary self-regulation and consumer education.

Bryant Circle of Champions Distinction

AAIR Systems has recently been awarded the Bryant Circle of Champions distinction. Circle of Champions award winners are Bryant Factory Authorized Dealers that are judged on overall Bryant-branded product sales growth, high-efficiency and IAQ equipment sales growth, customer satisfaction and participation in various dealer programs and promotions. Here’s to another year of top quality products and services!