Mack's Got Your Back!

Veteran owned, Mack's Heating and Air Conditioning, LLC provides heating, cooling, and water treatment services in New Hampshire since 2005.

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Heating

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Air Conditioning

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Water Treatment

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Water Heater

Why Choose Mack's?

With two decades in the heating and cooling industry theres plenty of reasons you should choose Mack's. From friendly technicians to fast reliable service, we are here for you!

Insured

Licensed

Affordable

24 Hour Service

Financing Available

Dependable

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24 Hour Service

We offer 24 hour service 7 days a week to ensure that you stay warm in the winter and cool in the summer.

Financing Available!

Financing is available for major purchases through the National Energy Improvement Fund, making home energy efficiency, resilience, health and comfort affordable.

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Testimonials