High-Efficiency HVAC Systems

Watertown, MA

1-Year Installation Warranty

One-Year Workmanship and Up to 10-Year Parts Warranty on Qualified Equipment

Licensed and Insured

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Smarter Heating and Cooling Solutions

Since 1961, B & G Heating and Air Conditioning has served Watertown residents and businesses with reliable HVAC solutions that maximize efficiency. As a family-owned company, we understand that comfort extends beyond temperature control—it's about creating an ideal indoor environment while keeping your energy bills reasonable. Our reputation stands on transparent pricing, accurate scheduling, and personalized service that only comes from a local business. When you reach out to us, you'll connect with a real person who genuinely cares about your comfort needs, never an automated system. With our custom fabrication shop, we create tailored solutions for unique spaces, ensuring your system fits perfectly and runs at peak performance.

We deliver fair market pricing without cutting corners on quality. As a fully licensed and insured HVAC contractor, we back our services with a 1-year warranty on installations and workmanship along with up to 10-year parts warranty on qualified equipment. For additional security, we provide manufacturer's warranties on premium brands like Carrier, Mitsubishi, and AprilAire. Watertown families have trusted us for over six decades because of our dedication to quality service. From complete high-efficiency system installations to same-day emergency repairs, our experienced team consistently delivers excellent results. Ready to feel the difference that properly installed, efficient HVAC makes in your home or business? Contact us today for your free estimate.

Why Choose Us

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Talk to a Real Person

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Honest Timing

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Honest Pricing

B & G Heating and Air Conditioning
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Custom Fabrication

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Fair Market Value

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Licensed and Insured

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HVAC Zoning

Save energy by only heating or cooling the spaces you use. HVAC zoning splits your home into separate comfort areas with independent temperature control for each zone. This practical approach eliminates temperature inconsistencies, improves efficiency, and lets family members set their preferred temperatures in different areas. Our zoning solutions work with both existing systems and new installations, providing customized comfort while lowering energy use.

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Advanced Filtration Systems

Modern HVAC systems go beyond temperature control by creating healthier indoor spaces. Our advanced filtration options capture airborne particles including dust, pollen, pet dander, and certain bacteria. We provide solutions ranging from standard filters to hospital-grade HEPA systems and innovative electronic air cleaners that significantly enhance your indoor air quality while maintaining optimal system performance.
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Energy-Efficient Systems

Lower your utility bills and environmental impact with our energy-efficient HVAC systems. Modern high-efficiency units use substantially less energy than older models while delivering better comfort. Our technicians help you find the perfect system size and type for your space, ensuring ideal performance and maximum savings. We carefully analyze your home's specific requirements and features to recommend systems that balance comfort with efficiency.

Our Recent Projects

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Here's what our satisfied customers are saying...

At B & G Heating and Air Conditioning, we take pride in providing exceptional HVAC to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of B & G Heating and Air Conditioning and let others know what you think.