From frosty winters to scorching summers, Merrimack residents deserve to come home to a comfortable and safe home all year round. When your furnace falters, your AC struggles, or your electrical system acts up, you need a dependable team to swiftly restore your home’s harmony.

For nearly three decades, Heritage Home Service has been Merrimack’s preferred name for HVAC, plumbing, and electrical expertise. Whether you’re dealing with an unexpected crisis or  simply need routine maintenance, our team of skilled professionals is ready to assist. We understand the importance of flexibility, offering same-day appointments that extend into the evening to accommodate your busy schedule.

As proud Merrimack locals, we know firsthand how challenging home system failures can be. That’s why we pledge to care for your home as if it were our own family’s. Our steadfast commitment to you is reflected in our core principles:

  • Convenience: We’re available when you need us most, offering extended service hours – even on weekends and holidays.
  • Cleanliness: Once our work is complete, we ensure your living space is left spotless. Your home receives the same respect and care we’d give our own.
  • Expertise: Our team of certified HVAC technicians, licensed electricians, and experienced plumbers brings a wealth of knowledge and hands-on skills to every project, guaranteeing top-notch repairs and installations.

For all your HVAC, plumbing, or electrical requirements in Merrimack, Just Call Heritage! We’re committed to maintaining your home’s comfort and safety through every New Hampshire season.

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Our Home Services in Merrimack, NH

At Heritage Home Service, we don’t just troubleshoot problems – we’re in the business of creating lasting solutions. Our standing in Merrimack isn’t built on boasting or flashy discounts but on the genuine delight of our customers when they experience their home systems performing better than ever. We’re more than a service provider; we’re your fellow community members, dedicated to enhancing the comfort and efficiency of Merrimack homes.

From the charming colonial houses in Reeds Ferry to the modern subdivisions near Wasserman Park, we’re experts on all of Merrimack’s diverse architectural landscapes. Our team arrives at your doorstep with more than just tools and equipment – we bring a profound understanding of how Merrimack’s unique climate and geography impact your home’s vital systems. This local insight, paired with our technical proficiency, enables us to deliver customized solutions that are as distinctive as your Merrimack home.

Merrimack Heating Services

Merrimack’s winters can be relentless, with nighttime temperatures often dipping below freezing. These severe conditions put immense strain on even the most robust heating systems as they work around the clock to keep your family warm. Our furnace repair service in Merrimack is tailored to keep your furnace or boiler operating at peak efficiency throughout the cold season, ensuring your home remains snug and protected when it counts the most.

  • Heating Repair — When your furnace falters or your boiler goes quiet, our skilled technicians are ready to take on the job. We’ll quickly identify the problem and restore your system to full operation, guaranteeing your Merrimack home stays cozy even on the coldest nights.
  • Heating Installation — If your existing system is showing signs of wear, we’ll walk you through selecting a new, energy-efficient furnace or boiler perfectly suited to Merrimack’s climate. Our installations are engineered to integrate flawlessly with your home’s design, potentially reducing your energy costs while ensuring consistent warmth to every room.
  • Heating Maintenance — Regular tune-ups are crucial for optimizing your heating system’s performance and longevity. Our maintenance visits include a thorough inspection and precise adjustment of your equipment, helping to avert unexpected breakdowns and potentially saving you from expensive repairs.

Merrimack Cooling Services

When the mercury climbs during the summer months, Heritage Home Service is ready to keep your home at a cool, relaxed temperature throughout the warmer months. Our comprehensive range of AC repair in Merrimack ensures your home remains a refreshing oasis, with both routine maintenance and emergency breakdown services at your disposal.

  • AC Repair — If your cooling system falters during a Merrimack heat wave, don’t lose your cool. Our expert technicians are on call to swiftly diagnose and resolve issues, restoring your home’s comfort. We’ll have your AC running smoothly before you can break a sweat.
  • AC Installation — Ready to upgrade to a cooling system that can tackle Merrimack’s summer heat waves? Our team is well-versed in cutting-edge, energy-efficient technologies. Whether you need a state-of-the-art central air system, a robust packaged unit, or adaptable ductless mini-splits, we’ll craft the ideal solution for your unique living space.
  • AC Maintenance — Our forward-thinking AC maintenance service is crafted to ensure your AC breezes through Merrimack’s sweltering months without a hitch. Our thorough tune-ups optimize your unit’s efficiency, potentially trimming your utility bills and adding years to your system’s life. 

Merrimack Plumbing Services

Plumbing problems can quickly turn your Merrimack home into a major source of stress. From icy pipes in winter to overtaxed systems in summer, Heritage Home Service is your plumber in Merrimack, keeping your home’s water flowing smoothly through every New England season.

  • Kitchen & Bathroom — When your daily routine is disrupted by a stubborn clog or a malfunctioning faucet, it’s more than just an inconvenience. Our team tackles everything from broken fixtures to reluctant drains, ensuring your daily life in Merrimack stays on course.
  • Pipe Repairs — Leaking pipes can happen at any moment without warning. Our team is ready to handle all types of emergencies, minimizing water damage and safeguarding your home’s structure. We’ll have your pipes mended and your worries eased before you know it.
  • Water Heaters — Don’t let a faulty water heater leave you in the cold. We provide comprehensive services for both conventional and tankless water heater systems, ensuring a reliable supply of hot water all year long.
  • Water Filtration — Transform your tap water quality to exceptional with a home water filtration system. We’ll begin with a thorough analysis of your water quality and design a solution that turns every faucet in your Merrimack home into a source of fresh, pure water.
  • Water Softeners — Tired of finding mineral deposits on your fixtures and appliances? We’ll evaluate your water’s hardness and suggest a softening solution that leaves your laundry brighter and your glassware gleaming.
  • Well Pumps — For Merrimack residents relying on well water, we’ll make sure your pump operates reliably year-round. Our specialists keep your water flowing, preventing any disruptions through New Hampshire’s varied seasons.
  • Sewer Line Repair & Replacement — A damaged sewer line is more than just unpleasant – it’s a potential health and property risk. Utilizing state-of-the-art video inspection technology, we’ll identify and resolve issues efficiently, keeping your home’s waste management system operating smoothly and dependably.

Merrimack Drain Cleaning

Is your kitchen sink turning into a miniature lake every time you run the tap? Avoid those aggressive, pipe-damaging chemicals that lead to costly complications down the road — Just Call Heritage instead! We’re Merrimack’s trusted specialists for professional drain and sewer cleaning services that keep your home’s plumbing running as smoothly as the Merrimack River.

Our cutting-edge hydro-jetting equipment obliterates obstructions while treating your pipes with the care they deserve. From tenacious roots to years of accumulated grime, nothing can withstand our cleaning expertise. Whether you’re in South Merrimack or near Thornton’s Ferry, count on Heritage Home Service to clear the way for hassle-free and dependable plumbing throughout your home.

Merrimack Electrical Services

Heritage Home Service has the trusted electricians in Merrimack for all-encompassing residential solutions. Our licensed electricians combine local expertise with state-of-the-art technical proficiency to address your home’s specific electrical requirements.

  • Electrical Repairs — From puzzling power surges to persistently unresponsive outlets, our team is prepared to uncover the solution. We employ thorough electrical safety inspections to swiftly pinpoint issues, delivering efficient repairs that restore your home’s electrical integrity while minimizing disruption to your daily life in Merrimack.
  • Electrical Installations — As Merrimack residences evolve, so do their energy demands. We excel in upgrading your electrical infrastructure to meet contemporary needs. When it’s time to install ceiling fans, circuit breakers, generators, lighting, and smart home products, we’ve got the expertise to make it happen.

At Heritage, we’re more than just electricians – we’re your fellow Merrimack neighbors committed to illuminating our community’s future. Our work strictly adheres to New Hampshire’s electrical codes, ensuring your home isn’t just current but ahead of the curve. 

Complete Care by Heritage Home Service

Elevate your Merrimack home’s reliability with our Complete Care program. This isn’t just a maintenance plan — it’s your solution for the best home system performance year-round. From scheduled tune-ups to unexpected fixes, we’ve got every aspect of your home’s comfort covered. Complete Care is designed to keep your systems running smoothly through every New Hampshire season. Wondering how Complete Care can keep your home systems in top condition? Ask your technician during your next visit for a full breakdown of the benefits.

Emergency Home Services in Merrimack

Home emergencies don’t follow a convenient schedule — which is why we’re available every day of the year. When unexpected HVAC, plumbing, or electrical issues strike your Merrimack home, Heritage Home Service is ready to respond. We offer emergency heating, cooling, electrical, and plumbing services well into the evening hours, seven days a week. For late-night emergencies, our 24/7 answering service will ensure you’re scheduled for service first thing the next morning.

Don’t let a sudden breakdown leave your Merrimack residence without heat, water, or electricity. For HVAC, plumbing, and electrical emergencies anywhere from Reeds Ferry to East Merrimack, Just Call Heritage. We’re committed to providing swift, dependable service when you need it most — because during a home crisis, you need a partner who’s always prepared to act fast, whether it’s a frozen pipe in February or a failed AC in July.

Why Choose Heritage Home Service in Merrimack?

Heritage Home Service has built a solid reputation for delivering top-notch quality with every visit. We blend the capabilities of a large service company with the personal touch of a family-run business. You deserve nothing less than outstanding customer care, which we strive to provide on every service call.

Year after year, more Merrimack homeowners turn to Heritage Home Service for their maintenance needs and new system installations. Our goal goes beyond fixing systems; we’re building relationships within our community. From Thornton’s Ferry to Naticook Lake, we’re committed to serving our neighbors. Wondering why we’re the go-to choice for so many local residents? Just Call Heritage — we’re dedicated to setting new benchmarks in home services across Merrimack.

Merrimack’s Most Trusted HVAC, Electrical, and Plumbing Provider


Selecting a dependable home service provider comes down to one thing: trust. At Heritage Home Service, we approach every job with the same care and attention we’d give our own homes — because our primary goal is to earn your confidence each time we step through your door.

When Merrimack homeowners need HVAC, electrical, or plumbing work, they know to Just Call Heritage. Our unique blend of skill, workmanship, and in-depth knowledge of Merrimack’s varied housing styles has made us a household name across generations. We’re committed to keeping your home running smoothly. Whether you’re facing a quick fix or a major upgrade, we’re dedicated to maintaining your home’s optimal performance year-round.


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