AC Installation in Cohasset, MA

Cool Comfort When You Need It Most

Professional air conditioning installation that works the first time, every time, with local experience you can trust.

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Air Conditioning Installation Services

Your Home, Perfectly Cooled All Summer

You know that feeling when you walk into a perfectly climate-controlled space on a sweltering July day. That’s what proper AC installation carries out to your Cohasset home.

The right system, installed correctly, means consistent temperatures in every room. No more hot spots upstairs or arctic zones in the basement. Your energy bills stay predictable instead of spiking every time the temperature climbs.

When your air conditioning installation is done right, you stop thinking about it entirely. It just works, quietly and efficiently, keeping your family comfortable while you focus on everything else that matters.

Cohasset HVAC Installation Experts

Local Knowledge, Professional Results

We’ve been keeping Norfolk County homes comfortable through every season. We understand how coastal humidity affects your cooling needs and which systems perform best in New England’s particular climate.

Our team knows Cohasset’s mix of historic and modern homes. We’ve worked with everything from century-old colonials to new construction, adapting our AC installation approach to fit your specific property.

With over 12,000 satisfied customers, we’ve built our reputation on getting installations right the first time. Our Dempsey Comfort Club members get priority service and ongoing support, because we’re here for the long term.

AC Installation Process

Straightforward Installation, No Surprises

We start with a thorough assessment of your home’s cooling needs. This means calculating square footage, evaluating insulation, checking existing ductwork, and interpreting your family’s comfort preferences. No guesswork.

Next comes system selection and sizing. We’ll walk you through options that fit your budget and efficiency goals, explaining the differences between standard and high-efficiency units. We handle all permits and scheduling.

Installation day means protecting your property while we work. We remove old equipment, install your new system, test everything thoroughly, and show you how to operate your new air conditioner. You’ll have cool air flowing before we leave.

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Complete AC Replacement Services

Everything Included, Nothing Extra

Your AC installation includes proper system sizing, professional installation, ductwork evaluation, and complete system commissioning. We test airflow, refrigerant levels, and electrical connections to make sure peak performance.

Many Cohasset homes need ductwork modifications for optimal airflow. We’ll identify these needs upfront and handle any necessary adjustments as part of your installation. We certify there are no unforeseen expenses during the installation process.

We also help you navigate energy rebates and financing options available for high-efficiency systems. Massachusetts offers substantial incentives for energy-efficient AC installation, and we know exactly how to maximize your savings.

How long does AC installation take in my Cohasset home?

Most air conditioning installations take 6-8 hours for a clear replacement. If you’re adding central air to a home that previously used window units, or if we need to modify ductwork, plan for 1-2 days. We’ll give you an accurate timeline after evaluating your specific situation. Factors like accessibility, electrical upgrades, and permit requirements can affect timing, but we always communicate any changes upfront so you can plan accordingly.

What size AC unit do I need for my home?

Proper sizing depends on your home’s square footage, insulation quality, window placement, and ceiling height. A unit that’s too small won’t cool effectively; too large and it’ll cycle on and off constantly, wasting energy and failing to remove humidity. We perform detailed load calculations using industry-standard methods, factoring in Cohasset’s coastal climate and your home’s specific characteristics. This verifies your new system runs efficiently and keeps you comfortable all summer long.

Do I need permits for AC installation in Cohasset?

Yes, most AC installations in Cohasset require permits, especially if electrical work is involved or you’re installing a new system. We handle all permit applications and inspections as part of our service. This protects you by ensuring the installation meets local building codes and safety standards. The permit process typically adds a day or two to scheduling, but it’s essential for insurance coverage and future property sales.

Can you install AC in my older Cohasset home?

Absolutely. We regularly install air conditioning in historic Cohasset homes, including properties without existing ductwork. Options include central air with new ductwork, ductless mini-split systems, or hybrid approaches that work with your home’s architecture. Each older home presents distinct adversities—from electrical capacity to space constraints—but we’ve developed solutions that preserve your home’s character while providing modern comfort. We’ll assess your specific situation and recommend the best approach.

What's the difference between standard and high-efficiency AC units?

High-efficiency units use 20-40% less energy than standard models, which translates to significant savings on your summer electric bills. They also run quieter, provide better humidity control, and often include advanced features like variable-speed operation. The upfront cost is higher, but Massachusetts energy rebates help offset the difference, and the monthly savings add up quickly. For most Cohasset homeowners, high-efficiency units pay for themselves within 5-7 years through reduced energy costs.

What warranty comes with my new AC installation?

Equipment warranties vary by manufacturer, typically ranging from 5 to 12 years on major components. Our installation work carries a separate warranty covering labor and workmanship. We also offer extended service agreements through our Dempsey Comfort Club, which includes priority service, annual maintenance, and discounts on repairs. This extensive coverage protects your investment and makes sure your system performs reliably for years to come. We’ll explain all warranty options during your consultation.

Local Resources

Cohasset, MA is located in Norfolk County in Massachusetts State