Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Contractor in Enfield, CT
Founded in 1939, Miller Oil Company has served the Enfield community for over 80 years as a family-owned business. We specialize in heating and cooling systems, offering repair, installation, and maintenance services for residential and commercial properties. Our team of certified technicians delivers reliable HVAC solutions, fuel delivery, and energy-efficient systems. With four generations of expertise, we prioritize customer satisfaction through prompt emergency service, transparent pricing, and tailored comfort solutions. Our commitment to quality extends to automatic fuel delivery, budget plans, and comprehensive service contracts to meet diverse client needs. 
Services
HVAC Repair
Heating Installation
Cooling Systems
Fuel Delivery
Emergency Service
Details
- Year established: 1939
Highlights and features
- Four generations of HVAC expertise since 1939.
- 24/7 emergency service for urgent heating/cooling needs.
- Certified technicians with state-of-the-art training.
- Automatic fuel delivery with no extra charges.
- Customized budget plans for consistent payments.
Associations and certifications
- NATE-certified
What people say
Great service
Fast repairs
Professional staff
On-time delivery
Excellent communication
Services
HVAC Repair
Miller Oil Company offers expert HVAC repair services for residential and commercial properties. Our NATE-certified technicians handle all makes and models, providing 24/7 emergency support for urgent heating and cooling issues. We specialize in furnace, boiler, and AC repairs, ensuring rapid diagnosis and solutions to restore comfort. With over 80 years of experience, we combine technical expertise with reliable service to address system failures efficiently.
Heating Installation
We install high-efficiency heating systems, including furnaces, boilers, and ductless solutions. Our team partners with top brands like Viessmann and Weil-McLain to deliver durable, energy-efficient equipment tailored to your home's needs. From load analysis to proper sizing, we ensure optimal performance and comfort. With lifetime warranty options on select models, our installations prioritize long-term reliability and cost savings for homeowners.
Cooling Systems
Our cooling services include central AC and ductless system installations, repairs, and maintenance. We work with brands like Mitsubishi and Ruud to provide energy-efficient cooling solutions for homes and businesses. Our technicians perform comprehensive diagnostics to identify issues and offer same-day repairs for broken systems. We also provide seasonal tune-ups to maximize efficiency and extend equipment lifespan.
Fuel Delivery
We deliver heating oil, diesel, and kerosene with automatic delivery programs to prevent supply shortages. Our fleet ensures timely deliveries regardless of weather conditions. Customers benefit from price cap protection plans and budget payment options to manage costs. With over 60 years of experience, we guarantee reliable fuel supply and exceptional service for residential and commercial clients.
Emergency Service
Our 24/7 emergency service addresses urgent HVAC failures with rapid response times. Certified technicians are dispatched immediately to resolve heating and cooling crises, including no-heat emergencies and AC breakdowns. We provide upfront pricing and transparent communication throughout the repair process. This service ensures minimal downtime and restored comfort during critical situations.
People
Douglas J. Miller
Great-Grandson of Founder
Douglas J. Miller continues the family legacy as a fourth-generation leader at Miller Oil Company. With decades of industry experience, he oversees operations and customer service, ensuring the company maintains its commitment to quality and community-focused values established in 1939.
Charles H. Miller
Grandson of Founder
Charles H. Miller plays a key role in maintaining the company's standards of excellence. With extensive knowledge of HVAC systems and fuel delivery operations, he ensures the business continues its tradition of reliable service while adapting to modern technological advancements.
Questions
What HVAC services does Miller Oil Company Company offer?
We provide heating and cooling repairs, installations, maintenance, and emergency services for residential and commercial properties.
Do you offer 24/7 emergency HVAC service?
Yes, our team is available 24/7 for urgent heating and cooling repairs in Enfield and surrounding areas.
What fuel delivery options are available?
We deliver heating oil, diesel, and kerosene with automatic delivery programs and budget payment plans.
Are your technicians certified?
All our HVAC technicians are NATE-certified and licensed by the State of Connecticut.
What service areas do you cover?
We serve Enfield, CT, and surrounding towns in Hartford, Tolland, and Worcester counties.
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