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Over the years, we’ve seen many New Hampshire homeowners upgrade the air conditioning in their homes to escape the heat and humidity. After all, it’s tough to endure the summer with no AC – standing in front of oscillating fans, struggling to sleep, sweating indoors.

If you’re ready for a air conditioner, Heritage’s HVAC team is here to help you find the perfect cooling solution for your home. We offer a wide range of products, and our process is fast and straightforward so that you can have your new AC installed the very next day.

JUST CALL HERITAGE (603) 354-0092

FAQs

  • Types of Air Conditioning Units We Install

    Every household has unique needs, which is why we offer a broad range of high-quality air conditioning options. When you contact Heritage for an AC estimate, we’ll arrange a free consultation with a project manager to create a tailored solution for your home. If you decide to move forward with the installation, we can usually set up your new system the very next day.

    We install all makes and models of residential air conditioning equipment, such as:

  • Choosing the Right Air Conditioner for Your Home

    When it’s time for a new air conditioner, it’s important to work with a highly-qualified, knowledgeable team. Heritage’s HVAC technicians are fully licensed and trained so that your AC installation is completed properly. Our installation process always begins with a free consultation.
    During your appointment, an expert will inspect your home and make recommendations based on these factors:

    Your current AC system: Most people install the same type of system they had previously, but you may want to consider something new if your current AC is not working for you.

    How much and how often you use your AC: If you use your AC all day, every day, we’ll recommend a unit that can handle that workload. If you only use your AC sporadically, we can offer other solutions that may cost less and still keep you cool when you need it.

    The size of your home: More square footage means you’ll need a larger air conditioner, but we can provide other options, too. You may want separate units for different floors or a ductless AC system so you don’t have to cool the entire house at once.

    Ductwork: Roughly one in three houses in New Hampshire were built before 1960, meaning that many homes don’t have existing ductwork. In these cases, we typically recommend ductless AC systems which are much faster and easier to install.

    How much you care about energy efficiency: Energy-efficient air conditioners are better for the planet and cheaper to operate. When looking at high-efficiency options, we can calculate how much savings you stand to earn on energy costs.

    Budget: We never want cooling your home to be financially stressful. Our team will work with you to find a cooling solution you can afford, or we can direct you to financing options so you can get what you need.

  • How Do I Know When My AC Needs to Be Replaced?

    We get this question a lot, for good reason! Most people want to keep their air conditioners for as long as possible, but running your system into the ground isn’t always worth it. Here’s what we look for when helping homeowners decide whether to keep or replace their air conditioner.

     

    • Age of AC unit: Most units are designed to last somewhere between 10 and 20 years. If yours is within this age range, it’s time to start thinking about a replacement. We can test it to see how well it’s working, then talk to you about your best options.
    • Size of current AC: Is your current system the right size for your home? If it’s too big or too small, it won’t work the way you need it to. Replacement is usually the best option.
    • Performance decline: Over time, air conditioners lose their ability to efficiently keep your home cool. Air conditioners that don’t receive yearly maintenance tend to malfunction more often, increase your energy bill, and need replacing sooner.
    • Cost and frequency of repairs: Sometimes repairs actually cost more than a new unit would. Other times, small repairs start to add up. If your AC is in need of repair or you have done several repairs in the last few months, the cost of a replacement may be the best decision for your finances and peace of mind.
  • Repairing vs. Replacing Your Air Conditioner

    There are many AC myths out there, like the idea of needing to “top off” or “recharge” your AC system every year. But here’s the truth: AC systems need all connections and refrigerant lines sealed tight to function properly. Low refrigerant levels usually means there is a leak. While this can sometimes be spot repaired, numerous leaks (especially in critical components like the condenser coil) usually means that it’s time to replace your AC system.

    If you find your AC struggling to cool your home or not working as well as before, our licensed HVAC technicians at Heritage can figure out if it needs repair or replacement. Whatever condition your system is in, our technicians will go over all the recommended options with you, so you can make the best choice for your situation.

  • The Benefits of Installing a New Air Conditioner

    • Higher Efficiency: When you’ve had the same air conditioner for 10-20 years, installing a new model can be a huge improvement! Air conditioners manufactured now are more energy-efficient than ever before, which is better for the planet and your energy bill.
    • Better Performance: In addition to monthly savings on your energy bill, a new air conditioner will save you from the stress and cost of unexpected repair calls. With annual maintenance, your new air conditioner should be run without problems for many years.
    • Improved Air Quality: Your air conditioner doesn’t just keep your home cool – it also removes humidity, provides ventilation, and helps filter the air. Your new AC can also be installed with IAQ products such as UV lamps and whole-home dehumidifiers.
    • Smart Home Integrations: If convenience is important to you, you have the opportunity to install a smart thermostat or zoning system along with your new AC. These upgrades enhance the convenience and personalization of your HVAC system to maximize home comfort.
    • Rebates & Tax Credits: When you purchase a high-efficiency HVAC system, water heater, or electrical upgrade, you could save thousands of dollars in tax credits and rebates. Just ask us which products qualify, and we can help you take advantage of these programs.

Mitsubishi Air Conditioners

As Diamond Dealer in Mitsubishi heat pumps and ductless systems, Heritage highly recommends Mitsubishi mini-split ac systems to New Hampshire customers who don’t have existing ductwork. With premium build quality and performance, a Mitsubishi system can bring the same functionality of central air conditioning to almost any existing home. They’re also great for additions and finished, detached spaces.

Call Heritage For Air Conditioning Services!

If you need an AC installation or replacement in New Hampshire, you can rely on Heritage Home Service to provide the benefits of a large team and family-oriented service you can count on. Whether you need a central air conditioner, heat pump, or ductless mini split, we will complete your installation with professionalism and attention to detail.

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Financing Made Easy

When you choose Heritage, you can rest easy knowing that we provide straightforward options to help you budget for a complete solution that will last you for decades to come.

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Home Advantage Membership

With Home Advantage Membership, enjoy peace of mind knowing your home’s plumbing, heating, cooling, and electrical needs are handled year after year—hassle-free, with added benefits.

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What Our Customers Are Saying

Lafayette went over and above expectations to provide us quality service and to give us the right information to get things done greatly appreciate everything that was done today

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Dennis Larck

Dennis Larck

July 2, 2026

Noah Mishkit was very helpful & informative. He made sure to double check that everything is in working order & I now know how to properly maintain my water filtration system. Thank you

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Courtney O'Haire

Courtney O'Haire

July 2, 2026

Polite, professional Lafayette Kimball was able to find the propane leak in my tanks since I’m still under warranty. He explained everything he was doing with his testing equipment. Kudos young man.

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Normajean Smith

Normajean Smith

July 2, 2026

So professional, polite and competent. And pleasant! Second experience with Heritage. It gives me peace of mind knowing there’re there 24/7 for any household emergency.

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Ann Barry

Ann Barry

July 2, 2026

We had a total of 4 systems have maintenance done to them- two HVAC systems and two central air systems. It was a big project and our technician spent about 6+ hours making sure it was done throughly and correctly. He walked me through and explained everything. Showed me things I needed to know and made sure I understood it all. Took pictures of everything and made sure to fill out all documents with the upmost detail. Very friendly and professional. His name was Angel. He did amazing and I had a wonderful experience. Highly recommend. Thank you!!!

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Jessica W

Jessica W

July 1, 2026

We required having a plumbing issue be repaired. We were given an appointment very quickly Our technician, Ryan, gave us excellent service, he arrived when expected, thoroughly explained what was needed and quickly made the repair. Ryan also made some further suggestions for preventative maintenance on our water system, which we will take under consideration. Overall, our 1st experience with Heritage Home Services shas been very positive

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Linda Luedke

Linda Luedke

July 1, 2026

Michael Callahan was knowledgeable, friendly, and professional. He took the time to show me everything he was seeing and explained everything thoroughly. I would recommend Heritage and specifically Michael to anyone.

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Lucie

Lucie

June 30, 2026

Zachary M. showed up and was polite, and communicative about what was needed. He promptly got to work and quickly fixed my basement drain.

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Kyle Honning

Kyle Honning

June 30, 2026

Kyle came by and checked out our AC units l, did a great job very professional and knowledgeable. He even looked at my boiler set up to see about replacing it and messaged a project manager to see about coming out the same day to do a quote. Will be using these folks from now on!

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Nick Robison

Nick Robison

June 30, 2026

Bryce is great, we’ve had him at the house 3 times for different things and we can always depend on him being thoughtful in all he does, he’s very skilled and also has a great attitude and will try different things until he gives us what we’re looking for.

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Mihaela Dumea

Mihaela Dumea

June 28, 2026

Frequently Asked Questions

  • What type of air conditioning system is best for my New Hampshire home?

    The best system depends on your home’s layout, existing ductwork, and cooling needs. Heritage installs central air systems for homes with ductwork and ductless mini-split systems for homes without, and we will recommend the most efficient and cost-effective option for your situation.

  • How long does air conditioning installation take?

    A typical central air conditioning installation takes 1 to 2 days, depending on whether your home has existing ductwork and the complexity of the setup. Heritage works efficiently to get your new system up and running with minimal disruption.

  • What size air conditioner do I need for my home?

    Proper sizing requires a professional load calculation that factors in your home’s square footage, insulation, window area, and orientation. An oversized or undersized unit leads to poor comfort and higher energy bills, which is why Heritage performs a thorough assessment before recommending a system.

  • How much does air conditioning installation cost in New Hampshire?

    Installation costs vary based on the system type, size, efficiency rating, and any necessary modifications to your ductwork or electrical system. Contact Heritage for a free in-home estimate with transparent, upfront pricing.

  • Are there rebates available for new air conditioning systems in New Hampshire?

    Yes, there are often manufacturer rebates and utility incentives available for installing high-efficiency air conditioning systems. Heritage stays current on all available programs and will help you take advantage of any rebates or tax credits you qualify for.

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