Reliable Heating, Cooling, and Ventilation in Queensbury & Glens Falls

Your Year-Round Comfort Specialists

As a locally-owned and operated contractor for over two decades, Hewitt Brothers Heating & Cooling understands the unique demands of the Adirondack climate. We offer a comprehensive suite of HVAC solutions—from emergency heat restoration on the coldest nights to the meticulous, energy-efficient installation of new cooling systems. Our commitment is to combine master craftsmanship with transparent service, guaranteeing durable performance and superior indoor air quality for every home and business across the Glens Falls, Queensbury, and Fort Edward areas.

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Our HVAC Services

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24/7 Emergency HVAC Repair

When the unforgiving New York weather hits and your heating or cooling system fails, you need a rapid, expert response, not an answering machine. Our 24/7 Emergency HVAC Repair service is rooted in our commitment to the Queensbury and Fort Edward communities. Whether it's a furnace that quits on a sub-zero night or an air conditioner breakdown in the peak of summer humidity, our licensed technicians are ready around the clock. We arrive with the tools and expertise necessary for quick diagnosis and repair, minimizing your downtime and restoring safe, reliable home comfort fast. Don't risk your family's well-being—call us any time for urgent, trustworthy service.

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High-Efficiency AC Installation

Maximize your summer comfort and minimize your energy bills with a High-Efficiency AC Installation from Hewitt Brothers. Specializing in central air conditioning systems and versatile ductless mini-splits, we provide solutions perfectly sized and calibrated for Glens Falls area homes. Our process ensures precise installation, maximizing cooling power while adhering to strict efficiency standards. We help you choose the ideal system to provide consistent, quiet performance, ensuring your home remains a cool sanctuary throughout the hottest months and delivering lasting value on your investment.

Before and after comparison of an old, rusty furnace and a new, clean furnace in a basement.

Furnace & Boiler Replacement

For homeowners facing the inevitable need to replace an aging, inefficient unit, our Furnace and Boiler Replacement service offers peace of mind. Serving the Glens Falls region for over 20 years, we are experts at seamlessly transitioning you from an outdated heating system to a modern, high-performance furnace or boiler. We handle the entire project—from safely decommissioning the old unit to installing and calibrating the new system for maximum performance. Invest in a replacement that guarantees reliable, consistent heat all winter long while significantly cutting down your energy consumption.

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Preventative HVAC Maintenance

Protect your significant investment and ensure year-round efficiency with our Preventative HVAC Maintenance plans. Think of this service as the essential tune-up for your home's climate control system. Scheduled seasonal maintenance, including thorough cleaning, safety checks, and minor adjustments, prevents unexpected breakdowns (especially during peak seasons) and keeps your system operating at its advertised efficiency. Regular maintenance not only prolongs the life of your furnace and AC unit but also helps maintain healthy indoor air quality, saving you the expense and stress of costly emergency repairs.

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Heat Pump & Mini-Split Solutions

Discover the power of dual-function technology with our Heat Pump and Mini-Split Solutions. These modern systems provide highly efficient, targeted heating and cooling, making them the perfect solution for additions, garages, sunrooms, or for achieving zoned comfort in older Fort Edward and Queensbury homes. Our technicians specialize in designing and installing ductless systems that deliver powerful performance in both summer and winter, offering you flexible, room-by-room climate control and exceptional energy savings compared to traditional systems.

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Indoor Air Quality & Ventilation

Your family's health depends on more than just temperature control. Our Indoor Air Quality (IAQ) and Ventilation services address hidden pollutants, allergens, and excess humidity to ensure you're breathing clean, fresh air. We install and service high-grade air filtration systems, whole-home humidifiers, dehumidifiers, and professional-grade ventilation to cycle out stale air and mitigate the risk of mold and dust accumulation. Let Hewitt Brothers enhance your home environment, turning it into a truly healthy, clean space where you can breathe easier and feel better.