Explore Our HVAC Services

Make the switch to a modern, energy-efficient heat pump system with ease. Our experts handle every detail, from securing the best MassSave® rebates to safely removing old oil tanks. Trust SumZero to deliver a smooth, stress-free transition that boosts your home’s comfort and lowers your carbon footprint. Ready to make the change?

Upgrade your home’s heating and cooling effortlessly with our versatile range of mini-split systems—ductless, ducted, or mixed. Whether you’re looking for efficient heating or adding cooling comfort, our advanced systems are designed to enhance your home’s efficiency and style. Ready to discover the perfect solution?

Stay cool all year with our customized Central A/C solutions. Choose between the energy efficiency of a cooling heat pump or the trusted performance of a conventional A/C condenser. Our systems seamlessly integrate with your existing heating setup, offering cooling solutions tailored specifically for your home.

Enjoy the best of both worlds with our hybrid heating systems. By combining the efficiency of a heat pump with the reliability of a traditional furnace, your system automatically adapts to outdoor conditions for optimal warmth and energy use. Perfect for Massachusetts' changing seasons, this dual-fuel solution is designed to keep your home comfortable year-round.

Custom ductwork and ventilation are key to ensuring optimal air quality and comfort in your home. At SumZero, we design and install ducted systems, ventilation, and IAQ solutions to keep your home efficient, healthy, and comfortable year-round.

Protect your HVAC investment with SumZero's Comfort Club. Our maintenance plan ensures your heating and cooling systems run efficiently with regular tune-ups, priority service, and exclusive discounts. Keep your home comfortable and enjoy lasting peace of mind, season after season.

A reliable furnace is the backbone of your home’s comfort during the cold Massachusetts winters. But when your furnace starts acting up—whether it’s blowing cold air, making strange noises, or struggling to keep your home warm—it can quickly become a source of stress. At SumZero Energy Systems, we understand how vital it is to have a furnace you can depend on. That’s why we offer expert furnace repairs and tune-ups designed to restore your system’s performance, improve energy efficiency, and give you the peace of mind you deserve. Let us help you stay warm and worry-free this winter.

Your heat pump is the heart of your home’s year-round comfort, providing both heating and cooling to keep your family cozy in winter and cool in summer. But when your heat pump isn’t working as it should—whether it’s struggling to heat, making unusual noises, or losing efficiency—it can disrupt your entire day. At SumZero Energy Systems, we understand how frustrating and stressful it can be to face a malfunctioning system. That’s why our expert heat pump repairs and tune-ups are designed to restore your system’s reliability and efficiency, so you can enjoy a comfortable home without the worry.

When the summer heat is at its peak, your central air conditioning system becomes your home’s lifeline to comfort. But when your A/C starts blowing warm air, making unusual noises, or failing to cool efficiently, it can quickly turn into a source of frustration. At SumZero Energy Systems, we understand how essential a dependable cooling system is for your family’s comfort. That’s why our expert central A/C repairs and tune-ups are designed to get your system back on track, improve its efficiency, and ensure you stay cool no matter how high the temperature climbs.

Your mini-split system is the key to personalized comfort, providing efficient heating and cooling exactly where you need it. But when it starts leaking refrigerant, delivering uneven temperatures, or becomes unresponsive, it can disrupt your home’s comfort and leave you frustrated. At SumZero Energy Systems, we understand how important a reliable mini-split system is for your family’s daily life. That’s why we offer expert repairs and tune-ups to restore your system’s efficiency, extend its lifespan, and keep your home feeling just right all year round.

Your home’s air quality plays a vital role in your family’s comfort and health. Whether it’s weak airflow from ducts, a malfunctioning thermostat, or humidity imbalances caused by a faulty dehumidifier or humidifier, these issues can lead to discomfort and even health concerns. At SumZero Energy Systems, we know how overwhelming it can feel to face indoor air quality challenges. That’s why we provide expert repairs for air ducts, thermostats, dehumidifiers, and humidifiers. Let us help you create a healthier, more comfortable home environment you can trust.