Licensed & Insured

Keep your home safe with licensed and insured AC technicians.

Clear Communication

It's easy to understand our advice on replacing your AC unit.

AC Install Experts

You can count on our seasoned pros for effective cooling solutions.

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Having no Air Conditioner is a Hassle!

When searching for a reliable air conditioner contractor to restore comfort in your Westchester home, it’s hard to know who to trust. Are you concerned about…

Led by third-generation licensed master plumber Robert Mazzacone, our professional AC installations bring peace of mind to your home.

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You deserve a reliable AC service that respects your time!

Our Promise

With 70 years of experience as local AC installation experts, we understand the unique needs of Westchester homeowners. From selecting the right unit to ensuring proper installation, our specialists are equipped to handle every aspect of your cooling system needs. You can expect:

By choosing Mazzacone Plumbing & Heating, you’re working with a partner who cares about your comfort.

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What people say about us

Hear From Satisfied Westchester Residents

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Our Air Conditioner Installation Services

We work with all major air conditioner brands for your convenience.

Technician wiring new air conditioner

We assist you in choosing the right air conditioner model for your home based on factors such as size, efficiency, and features.

Installing new ductwork or modifying existing ducts to accommodate the new air conditioner.

Mounting and connecting the indoor evaporator unit, including refrigerant lines, drain lines, and electrical connections.

Placing and securing the outdoor condenser unit, connecting refrigerant lines, and ensuring proper airflow and clearance.

Testing the newly installed system to ensure proper operation, including checking refrigerant levels, airflow, and thermostat calibration.

We Make AC Installation Easy

Ready to discuss your air conditioning needs? Here’s how it works.

Step 1

Request an Estimate

Give us a call or fill out the form, and we’ll promptly make arrangements for an in-person visit.

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Step 2

In-Person Assessment

Our experts conduct a quick, thorough in-home inspection to answer all your questions and provide you with an estimate.

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Step 3

Efficient Resolution

Following your approval, we install your new AC unit and ensure it is running optimally.

Service Locations

Our office is located at 117 Dale Ave in Ossining, NY.

We offer expert air conditioning installation services in and around the following cities in Westchester County:

Mazzacone Plumbing & Heating service locations in Westchester County NY
Mazzacone Plumbing & Heating service locations in Westchester NY