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About Us Achieve Top Marks in Home Comfort & Energy
Efficiency With A Plus HVAC & Electrical

About Us

Nathan LeMay has built his company on honesty and integrity.

A Plus HVAC was established as a family business in 2006 and has since become the preferred heating and cooling solutions company for Western Mass.

“We tell our customers that A Plus is not just our name,” says LeMay. “It is the only acceptable grade. We truly believe that every customer should experience 100 percent customer satisfaction.”

A Plus HVAC is a Carrier Factory Authorized Dealer, a Mitsubishi Electric Diamond Dealer, and an award-winning member of The Home Depot’s Professional Contractor Program for Heating and Cooling Contractors.

A Plus technicians are NATE (North American Technician Excellence) certified and the company is an ACCA (Air Conditioning Contractor’s Association of America) member in good standing. ACCA is the heating and cooling industry’s leading trade organization.

The company utilizes A/C Check (formerly known as QIV) testing to ensure that your AC system is properly charged and has sufficient airflow. In September 2013, 2014 and 2015, A Plus HVAC Inc. was awarded a Cool Smart QIV Award for exemplary service and outstanding performance having the Most New Equipment in A/C Check testing.

Give A Plus a call at (413) 344-2691 and become part of the A Plus HVAC family today!

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Ready to Graduate to Ultimate Comfort and Power? Schedule Your 'A Plus' Appointment Today! Whether it's heating, cooling, or electrical needs, our team is here to provide you with top-grade solutions. Don't wait – secure your spot on our schedule now and experience the A+ difference in your home!
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Have Questions or Ready to Boost Your Home's GPA in Comfort and Power? Reach Out to A Plus HVAC & Electrical Today! 

Our team is here to provide you with straight-A solutions for all your HVAC and electrical needs.

Our Qualifications

We are heating and cooling professionals! We maintain a high level of quality among our staff. All of our installers and technicians are trained on a regular, on-going basis. We are certified by the following industry organizations:

Carrier Factory Authorized Dealer

Carrier residential factory authorized dealer

Carrier Factory Authorized Dealers are the home heating and cooling experts to turn to. They are your single resource for everything you need—from tailoring your ideal comfort system to installation, service and beyond.

Look for the Carrier Factory Authorized Dealer seal of approval—it means your dealer has met our rigid criteria for quality. In fact, Carrier offers you a 100 percent satisfaction guarantee when you purchase your Carrier equipment from a Factory Authorized Dealer. It’s your sure sign of an air conditioning and heating system dealer that will provide you with superior products, intelligent insight, and the ultimate service.

Becoming a Carrier Factory Authorized Dealer is no easy feat. Only those expert heating and air conditioning dealers who meet our highest standards and closest scrutiny—not only for their technical expertise, but also for their business practices and customer service quality—earn the Carrier Factory Authorized Dealers distinction.

Reader Raves Award Winners

With a string of Reader Raves Award victories in 2019, 2020, 2023, and now 2024 A Plus HVAC & Electric has proven time and time again why we are the go-to experts in heating, cooling, and electrical services. 

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.


The Air Conditioning Contractor’s Association of America is the heating and cooling industry's leading trade organization. ACCA members adhere to a standard of ethical best practices that is your assurance of quality and professionalism. We are an active member in good standing with ACCA.
ACCA Quality Assured

The ACCA Quality Assured (QA) program is a self-certification activity for professional HVAC contracting businesses. QA participants attest that they satisfy the requirements for the EPA ENERGY STAR® Qualified New Homes Program (Version 3).

The QA Program relies upon three elements to promote quality HVAC installations.

  1. QA Participants attest that they have implemented written policies and procedures as identified in the ACCA 5 QI Standard to effect quality on a consistent basis in the field
  2. QA Participants complete and submit a detailed HVAC system installation checklist
  3. Qualified 3rd party raters validate specific elements of the installation for compliance to the ENERGY STAR requirements

Meet Our Team

Westfield's Trusted Team
  • Nathan  LeMay Photo
    Nathan LeMay Founder & Owner
  • Lisa  LeMay Photo
    Lisa LeMay Co-Owner
  • Rebecca  LeMay Photo
    Rebecca LeMay Office Manager
  • Jonathan  LeMay Photo
    Jonathan LeMay Project Manager/Supervisor
  • Keith  Fournier Photo
    Keith Fournier Lead Installer/Service Tech
  • Jeff  Strube Photo
    Jeff Strube Lead Installer/Service Tech
  • Dave  Sklarski Photo
    Dave Sklarski Lead Installer
  • John  Douglas Photo
    John Douglas Lead Installer

Hear From Our Happy Customers

Reviews & Testimonials
    "Outstanding Work"
    - Marie B.
    "Excellent Service"
    - Barbara N.
    "Very Personable"
    - Daniel F.
    "knowledgeable & Friendly"
    - Juan G.

Quality Installation Verification 

Quality Installation Verification (QIV) testing ensures that your AC system is properly charged and has sufficient airflow. Using a COOL SMART

 Participating Contract


or provides this benefit, which is not always performed by other HVAC technicians. The QIV service also helps the air conditioner operate more efficiently, meaning it’s less expensive to operate and should last longer with fewer repairs. In September 2013, 2014, and 2015, A Plus HVAC Inc., was awarded a Cool Smart QIV Award for exemplary service and outstanding performance having the Most New Equipment in QIV Tests.


Mitsubishi Diamond Dealer

Mitsubishi Electric Diamond Dealers are trained to choose the right air conditioning system for your home. Whether it’s a 

ducted air conditioning system for every room of your home or the latest in energy efficient split inverter air conditioning units, contact your local Mitsubishi Electric Diamond Dealer.

Getting Started Is Simple!

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