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20 Years
experience
Emergency
services
Your Trusted HVAC Partner in Westfield, MA
A Plus HVAC was founded in 2006 by Nathan LeMay with a commitment to honesty, integrity, and exceptional service. As a family-owned business, we prioritize customer satisfaction, ensuring every client receives personalized attention and reliable solutions for heating, cooling, and electrical needs. Our team is licensed, insured, and NATE-certified, adhering to the highest industry standards. We are proud to be a Carrier Factory Authorized Dealer, a Mitsubishi Electric Diamond Dealer, and an award-winning member of The Home Depot's Professional Contractor Program.

With recognition from Reader Raves and a focus on energy efficiency, we deliver top-quality service across Westfield, MA, and surrounding areas. Our dedication to ongoing training and advanced technology ensures every project meets our rigorous quality benchmarks. By combining expertise with a customer-first approach, we have built a reputation as a trusted leader in HVAC and electrical services.
Services
HVAC Maintenance Generator Services Heater Installation Electrical Repair AC Repair Water Heaters Commercial HVAC Air Ducts Heat Pumps Zone Control Systems
Details
  • Year established: 2006
Highlights and features
  • We guarantee 100% customer satisfaction with every service call.
  • Our team is fully licensed, insured, and NATE-certified.
  • We offer flexible financing options for HVAC upgrades.
  • We are a Carrier Factory Authorized Dealer with industry-leading expertise.
  • Weve won Reader Raves awards for outstanding service.
Associations and certifications
  • Carrier Factory Authorized Dealer
  • Mitsubishi Electric Diamond Dealer
  • ACCA (Air Conditioning Contractors Association of America)
  • NATE (North American Technician Excellence)
What people say
Outstanding Work Excellent Service Very Personable Knowledgeable & Friendly Quality Workmanship
Services
HVAC Maintenance
Regular HVAC maintenance ensures optimal performance and longevity of heating and cooling systems. Our technicians perform comprehensive inspections, clean components, and address potential issues. Services include filter replacement, refrigerant checks, and electrical system evaluations. Preventative care reduces energy costs, improves efficiency, and prevents unexpected breakdowns. A Plus HVAC recommends annual tune-ups to maintain comfort and system reliability.
Generator Installation
Generator installation provides uninterrupted power during outages. Our team assesses energy needs, selects appropriate systems, and ensures proper setup. Services include load testing, transfer switch installation, and maintenance planning. Backup generators protect homes and businesses from disruptions, ensuring safety and continuity. A Plus HVAC offers 24/7 emergency support for generator repairs and troubleshooting.
AC Repair
AC repair services address issues like insufficient cooling, strange noises, and refrigerant leaks. Our technicians diagnose problems and implement solutions to restore efficiency. Common fixes include compressor repairs, coil cleaning, and thermostat calibration. Prompt service minimizes downtime and extends system lifespan. A Plus HVAC services all major brands, ensuring reliable cooling during peak summer months.
Heater Installation
Heater installation involves selecting and fitting efficient heating systems tailored to property needs. Our experts handle furnace, boiler, and heat pump installations with precision. Services include system sizing, ductwork evaluation, and energy efficiency optimization. Proper installation ensures consistent warmth, lower utility bills, and long-term reliability. A Plus HVAC provides seamless replacements for aging systems.
Electrical Repair
Electrical repair services address issues like faulty wiring, circuit breaker problems, and outlet malfunctions. Our licensed electricians perform diagnostics and repairs to ensure safety and functionality. Services include panel upgrades, surge protection, and emergency repairs. Preventative maintenance reduces fire risks and enhances system efficiency. A Plus HVAC offers 24/7 support for urgent electrical concerns.
People
Nathan LeMay
Founder & Owner
Nathan LeMay established A Plus HVAC in 2006, emphasizing honesty and integrity. With decades of industry experience, he leads a team committed to exceptional service and customer satisfaction.
Lisa LeMay
Sales/Marketing Coordinator
Lisa LeMay manages sales and marketing efforts, leveraging her expertise to promote the company's services and community engagement initiatives.
Jonathan LeMay
General Manager
Jonathan LeMay oversees daily operations, ensuring efficient service delivery and adherence to quality standards across all projects.
Keith Fournier
Lead Installer/Service Tech
Keith Fournier specializes in HVAC installations and repairs, bringing technical expertise and dedication to every client interaction.
Jeff Strube
Lead Installer/Service Tech
Jeff Strube provides expert HVAC service, focusing on precision and customer satisfaction in residential and commercial settings.
Questions
What HVAC maintenance services do you offer?
We provide annual tune-ups, filter replacements, refrigerant checks, and system diagnostics to ensure optimal performance and efficiency.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency HVAC repair services to address urgent heating and cooling issues.
What financing options are available?
We offer flexible financing plans to help customers afford HVAC upgrades and repairs with ease.
Are your technicians certified?
All technicians are NATE-certified and undergo ongoing training to maintain industry expertise.
What areas do you service?
We serve Westfield, Springfield, Hampden, Suffield, Northampton, and surrounding areas in Massachusetts.
Can you install energy-efficient systems?
Yes, we specialize in energy-efficient HVAC solutions that reduce utility costs and environmental impact.