Serving Worcester County, MA

Serving Worcester County, MA

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Heating and Cooling Installation and Repair Services in Worcester County, MA

$200 Off New Customer Installations

1-Year Parts and Labor Installation Warranty

$50 Off New Customer Service

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D & D Heating & Air Conditioning Inc: Your Local Comfort Solution

Serving Worcester County, MA, D & D Heating & Air Conditioning Inc has been the trusted HVAC company in Millbury, MA and the surrounding areas for over 25 years. As a locally owned business, we are deeply committed to providing our community with the highest level of comfort. Our team of experienced professionals is dedicated to delivering quality heating and air conditioning solutions. We pride ourselves on our reputation, built on countless referrals from satisfied neighbors and friends. Our commitment to quality is further underscored by our 1-year parts and labor warranty after installation.

We also understand the importance of affordability, which is why we offer new customers $50 off service and $200 off a new installation. As a MassSave contractor, we are recognized for our energy-efficient solutions. We even provide free in-person estimates, with detailed information delivered a few days after the appointment. Your comfort is our business, and we are here to ensure it.


Extended hours are available by appointment. For a free estimate, call or text today. You can also use our convenient online form to request a free estimate.

D&D Heating & Air Conditioning, Inc. BBB Business Review

Why Choose D & D Heating & Air Conditioning Inc?

Choosing D & D Heating & Air Conditioning Inc means choosing an HVAC company in Millbury, MA and the surrounding areas that values your comfort and satisfaction. We bring over two decades of experience to every job, ensuring that your heating and air systems are installed and repaired to the highest standards. Our local roots mean we understand the unique needs of Worcester County residents.


We are committed to providing exceptional service, backed by our 1-year parts and labor warranty. With our special offers for new customers and our status as a MassSave contractor, we make quality heating and air services affordable. Choose D & D Heating & Air Conditioning Inc for your comfort needs, and experience the difference we can make.

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Money-Saving Offers

Free In-Person Estimates

Over 25 Years of Experience

Locally Owned

MassSave Contractor

Heating Installation and Repair

Our team is skilled in all aspects of heating installation and repair. We work with a variety of heating systems, ensuring optimal performance and efficiency.

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Heat Pumps and Mini Splits

At D & D Heating & Air Conditioning Inc, we specialize in the installation and repair of heat pumps and mini splits, providing energy-efficient solutions for your heating and cooling needs.

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Air Conditioning Installation and Repair

From installation to repair, we handle all your air conditioning needs. We ensure your system is running smoothly, providing you with cool comfort during the hot summer months.

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AeroSeal Contracting

As an AeroSeal contractor, we offer advanced duct sealing solutions. This innovative technology improves your system's efficiency and reduces energy costs.

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Take Advantage of Our Heating and Cooling Money-Saving Offers

$50 OFF Service

New customers get $50 off service when you hire D & D Heating & Air Conditioning Inc.

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$200 OFF

New customers get $200 off installation when you hire D & D Heating & Air Conditioning Inc.

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Here's what our satisfied customers are saying...

At D & D Heating & Air Conditioning Inc, we take pride in providing exceptional residential and commercial HVAC services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us to improve and helps others make informed decisions.


Please take a moment to leave a review of D & D Heating & Air Conditioning Inc and let others know what you think.


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D & D Heating & Air Conditioning Inc

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