About

Your Trusted Oil Burner Specialists in Nashua, New Hampshire

At Barrett’s Oil Burner Services, we are dedicated to keeping your home warm, safe, and efficient. Serving Nashua and surrounding areas, we specialize exclusively in residential oil burner services — including cleanings, repairs, and safe oil tank removal. By focusing only on oil systems, we deliver expertise and attention to detail that general HVAC companies simply can’t match.

Our Mission

Our mission is simple: to provide homeowners in Nashua with reliable, safe, and high-quality oil burner services. We strive to extend the life of your heating system, improve its efficiency, and give you peace of mind that your home is in expert hands.

Trusted 24/7 Emergency Service

Expert Technicians With Years of Experience

Fast, Reliable & Affordable Solutions

Why Choose Us?

Dedicated Oil Burner Experts

We don’t split our attention between multiple heating or cooling systems. Oil burners are our specialty, which means you get technicians who know your system inside and out.

Safety-First Approach

From cleanings and repairs to full residential oil removal, we follow strict safety protocols to protect your home, family, and the environment.

Local & Responsive

As a Nashua-based company, we understand the needs of our neighbors. We provide prompt, friendly service, especially during New Hampshire’s cold winter months when reliable heat is essential.



Honesty & Integrity

We believe in transparent pricing, clear explanations, and solutions tailored to your needs. You’ll never be surprised by unnecessary services or hidden fees.