Mass HVAC Services

New Hampshire & Mass HVAC Services

A family-owned third-generation HVAC contractor, delivering top-tier HVAC solutions. Based in Tyngsborough, MA, we’re deeply rooted in the communities we serve across Massachusetts and southern New Hampshire, from Groton and Chelmsford to Lowell, Nashua and Manchester, New Hampshire. 

We specialize in HVAC services holding a master sheet metal license for updating your older New England buildings.


 We offer unparalleled expertise for both residential and commercial properties, being fully licensed and insured to lay all your concerns to rest for your heating and cooling.



Welcome to Boss HVAC 

Providing 24/7 service to Massachusetts and New Hampshire to take control of your air quality


Our Key Services

Expert Installation
Our skilled technicians ensure precise installation of HVAC systems, maximizing efficiency and performance for your home or business.

Scheduled Comprehensive Maintenance

Regular maintenance services to keep your HVAC systems running smoothly, preventing costly breakdowns, saving you money on your utility bill, and extending their lifespan.

Save Money Through Energy Efficiency

We offer energy-efficient solutions that not only reduce your carbon footprint but also lower your utility bills.  Save additional money on installation with government rebates!

24/7 Emergency Service

Our team is available around the clock to address any HVAC emergencies, ensuring your comfort and safety is never compromised.

About Boss HVAC Service

At BOSS HVAC, our mission is simple: to provide comfort you can count on while preserving the integrity of the historic and unique buildings that define our region throughout New England. If you are a property owner or property manager, you understand how challenging it can be to maintain and modernize aging infrastructure while ensuring reliable heating, cooling, and energy efficiency. That’s where we come in. We ensure year-round comfort and reliability. Take Control of your Air. Contact BOSS HVAC Today

Testimonials
Boss HVAC transformed our home with their exceptional service. The team was professional, punctual, and left our system running perfectly. Highly recommend!
Sarah T.
We had a fantastic experience with Boss HVAC. They handled our commercial installation with expertise and care. Our employees are now comfortable year-round!
John D.
The team at Boss HVAC was incredible! They quickly diagnosed our heating issue and had it fixed in no time. Their customer service is top-notch.
Emily R.
I trust Boss HVAC for all my heating and cooling needs. Their knowledge and dedication to quality work are unmatched in the area.
Michael S.

Duct Cleaning

Don't be stuck inhaling this buildup and compromising your health

Before & After


A close up of a dirty air vent in a building.

For your health as well as the health of your equipment, hire us to schedule and perform the regular maintenance it needs to keep your air quality optimal

heating and cooling Nashua NH
AC Maintenance Nashua NH
heating and cooling Nashua NH

Our Clients know, We are licensed contractors you can trust

At BOSS HVAC

At BOSS HVAC, we pride ourselves on being a trusted provider of top-notch heating, ventilation, and air conditioning (HVAC) solutions in New England. We know our work will matter. Throughout Massachusetts and Southern New Hampshire we provide nothing short of a top tier service. With years of experience in the industry, our team of expert HVAC technicians is dedicated to delivering exceptional service, ensuring that our customers enjoy optimal comfort and energy efficiency in their homes and businesses. Whether you need routine maintenance, repairs, or a new heating and cooling system installation, we’ve got you covered. Our commitment to the highest level of excellence and customer satisfaction sets us apart as the go-to choice for all your HVAC needs for the air in your house or commercial property.


Will you be our next satisfied customer?

If you’re managing a historic colonial home in Groton, MA a bustling apartment building in Lowell, MA or a modern office building with drastically different HVAC needs in Nashua, NH, we understand the unique demands of your property. Our decades of experience have taught us that no two buildings are the same, and each requires a tailored approach to HVAC solutions.

Here is what truly sets BOSS HVAC apart from the rest

Your Property is Our Priority

Expertise in older buildings

Working on historic New England properties is an art and a science. From retrofitting ductless AC systems in colonial homes to modernizing HVAC systems in converted mill buildings like those near UMass Lowell, we have the skills and tools to tackle complex projects while respecting the character and history of your property.

Comprehensive Residential and Commercial HVAC Service

We are a team of licensed air conditioning contractors committed to exceptional customer service and quality workmanship. We handle everything from AC repair and furnace repair to full minisplit installations and ductless AC systems. Whether you need emergency repairs, routine maintenance, or a complete system overhaul, our team has you covered.

Energy Efficiency Focus in Heating and Cooling Systems

We prioritize energy-efficient solutions that lower your utility bills and reduce your carbon footprint. New England winters can be brutal, and summers can be sweltering—our modern HVAC systems keep your property comfortable year-round while saving you money.

Commitment to Quality

For us, HVAC isn’t just a trade; it’s a craft. We take great pride in our work, treating every project with the care and precision it deserves. As a business owner and tradesman, I’ve built BOSS HVAC on a foundation of integrity, attention to detail, and customer satisfaction.

Historic Preservation Meets Modern Comfort

Managing older buildings can feel like walking a tightrope between preserving their historic charm and meeting modern comfort standards. Our team specializes in solutions that honor a property’s history while upgrading its functionality.

BOSS HVAC Andover MA

For Groton MA Colonial Homes

We will be retrofitting heating and cooling systems without diminishing the colonial architecture.

BOSS hvac merrimack nh

For HVAC in Lowell MA Mill Buildings

Designing energy-efficient HVAC systems that can adapt to large spaces.

HVAC Lowell MA

For Nashua NH HVAC Needs for Commercial Properties

Installing advanced HVAC systems to handle diverse tenant needs.

With extensive experience you can trust

Our clients can tell you this family owned company will treat you right for all your commercial and residential needs

Emergency Repairs Done quickly and effectively

We understand that HVAC emergencies can disrupt lives and operations. That’s why we’re always a phone call away, ready to provide fast, effective repairs to minimize downtime and inconvenience. Call us 24/7 and know your in good hands

Lock in your spot on our calendar

Proactive Routine Maintenance Plans

Avoid costly breakdowns and extend the lifespan of your heating and cooling systems with our customized maintenance plans. We’ll keep your equipment running smoothly, saving you time, money, and headaches down the road. We are well-versed in commercial and residential systems to advise you on the best maintenance plan for your equipment

Turnkey Installations for Modern Heating Systems


Looking to upgrade your properties equipment? We’re experts in installing state-of-the-art ductless AC and minisplit systems, perfect for properties without existing ductwork or those seeking targeted, efficient climate control. BOSS HVAC also specializes in the installation, repair, and maintenance of heat pumps, ensuring modern and efficient heating solutions.

For Residential, Commercial or Industrial HVAC Services, know you are in good hands

Boss HVAC Lowell MA ac repair

Residential Heating and Cooling Solutions


At BOSS HVAC, we recognize that every home heating scenario is unique, which is why we offer personalized residential HVAC solutions tailored to meet your specific needs. Our team of experienced technicians is dedicated to providing top-notch service, from heat pump installation to routine maintenance and repairs. We’re committed to ensuring that your home is comfortable and energy-efficient, which is why we offer a range of cooling solutions and heating system options. Whether you’re looking to upgrade your existing HVAC system or need emergency repairs, we’re here to help. Trust BOSS HVAC to keep your home cozy in the winter and cool in the summer.



Call us today to talk about your home heating and cooling equipment
Nashua NH HVAC BOSS Install Commercial equipment

Commercial Heating and Cooling Service


BOSS HVAC offers comprehensive commercial HVAC services designed to meet the unique needs of businesses in New Hampshire. Our experienced technicians are factory-trained and equipped to handle all aspects of commercial HVAC, from boiler installation to cooling equipment maintenance. We understand the importance of minimizing costly repairs and downtime, which is why we offer preventative maintenance services to keep your HVAC systems running smoothly and efficiently. Our goal is to provide customer satisfaction and ensure that your business operates at its best, with reliable and energy-efficient HVAC solutions tailored to your specific requirements.


call us today to talk discuss your commercial hvac needs

With a Service Focus on our Local Communities

At BOSS HVAC, we’re proud to serve the communities where we live and work. Over the years, we’ve forged strong connections with property owners, property managers, and businesses throughout Massachusetts and

Southern New Hampshire.

Boss HVAC Woburn MA

Heating and Cooling In Groton MA


We’ve helped preserve the charm of historic homes while ensuring they’re comfortable year-round with sleek and efficient HVAC equipment

Learn more
Nashua NH HVAC BOSS Furnace repair

HVAC Lowell MA


 Our work with UMass Lowell and the city’s converted mill buildings showcases our expertise in balancing modern functionality with industrial aesthetics.

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Heating and Cooling Woburn MA

HVAC Woburn MA


We’ve partnered with property managers to provide HVAC systems that keep tenants happy and buildings running efficiently.

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BOSS HVAC AC Repair Nashua NH

Nashua NH HVAC


 From single-family homes to commercial properties, we bring the same level of care and attention to every project.

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We’re not just here to do a job—we’re here to contribute to the growth and development of our local communities.

About BOSS HVAC Company

BOSS HVAC is a locally-owned and operated HVAC contractor serving Massachusetts and New Hampshire. With years of experience in the industry, our team of expert technicians are dedicated to delivering exceptional service and ensuring customer satisfaction through quality craftmanship and top tier customer service. We’re proud to be a trusted provider of HVAC solutions in our community, and we’re committed to upholding the highest standards of professionalism and integrity. Our goal is to provide our customers with the best possible experience, from initial consultation to completion of the project. When you choose BOSS HVAC, you’re choosing a partner who cares about your comfort and satisfaction.


At BOSS HVAC, we’re proud of our work and would like to share some of our featured projects and case studies with you. From commercial HVAC installations to residential heat pump repairs, we’ve got a proven track record of delivering exceptional results. Take a look at some of our recent projects and see for yourself why we’re the go-to HVAC contractor in Massachusetts and New Hampshire. Our portfolio showcases our expertise, attention to detail, and commitment to customer satisfaction, highlighting the diverse range of services we offer and the successful outcomes we’ve achieved for our clients.

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What Our Clients are Saying

Heating and Cooling Westford MA

I was very pleased with everything! Good communication, showed up on time and executed the job as promised and in great time and in a professional manner. Definitely recommend.

Sam S - Woburn MA

HVAC Pepperell MA

Unbelievable customer service and response times. After calling Larry showed up quickly and resolved all HVAC problems within 20 minutes. I would recommend him to all friends & family.

Jim M - Lowell MA

Furnace Installation Westford MA

The crew at Boss HVAC is like a well-oiled machine. They came in, removed, and replaced my entire HVAC system in less than five hours. They are professional, courteous, and reliable. I highly recommend Larry and his crew for your HVAC needs.

Erika S - Nashua NH

Your Comfort is our Craft as HVAC Technicians

As the owner of BOSS HVAC, I want you to know that when you choose us, you’re not just hiring a contractor—you’re partnering with a team that genuinely cares about your property, your health and your satisfaction. We’re committed to delivering solutions that exceed your expectations and stand the test of time.


Whether it’s preserving the charm of a historic home, ensuring comfort for your family, or upgrading your HVAC system for better performance and cutting costs on your energy usage, BOSS HVAC is here to make it happen.


Let us bring our expertise, dedication, and passion to your property.

Contact BOSS HVAC Today

Call us now at (978)815-8031 for a consultation or to request emergency service


At BOSS HVAC, we’re not just keeping New England buildings comfortable—we’re helping preserve their legacy. Let us show you what true craftsmanship looks like.

At BOSS HVAC, we’re not just keeping New England buildings comfortable—we’re helping preserve their legacy.

Let us show you what true craftsmanship looks like.

Let's talk about 

your HVAC needs!