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37 Years
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Emergency
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Your Trusted HVAC Partner in Mid-State Mechanical-State Mechanicaldletown, CT
Mid-State Mechanical-State Mechanical has been serving the Central Connecticut area since January 1989, establishing itself as a trusted leader in heating, air conditioning, and HVAC services. Our team of fully vaccinated, EPA-certified professionals brings decades of experience in residential and commercial system installation, maintenance, and repair. We prioritize personalized service, leveraging our deep industry expertise to deliver tailored solutions that ensure year-round comfort.

As a family-owned business, we uphold unwavering integrity, transparent communication, and a commitment to exceeding customer expectations. Our reputation for reliability and excellence is reflected in our 35-year history of customer testimonials and community recognition.
Services
Furnace Repair Heat Pump Installation Air Conditioning Service Boiler Maintenance Ductless Mini-Splits HVAC Replacement Oil to Gas Conversions Thermostat Upgrades
Details
  • Year established: 1989
Highlights and features
  • 35 years of experience in HVAC installation and repair
  • Family-owned with personalized, client-focused service
  • 24/7 emergency response for urgent heating/cooling needs
  • Fully licensed, insured, and EPA-certified technicians
  • Custom solutions for residential and commercial properties
Associations and certifications
  • EPA Certified
What people say
Prompt service Very professional Trustworthy crew Work was perfect Emergency response praised
Services
Furnace Repair
Our certified technicians provide comprehensive furnace repair services for all makes and models. We prioritize rapid diagnostics and efficient fixes to restore heating functionality during emergencies. With annual maintenance contracts available, we ensure optimal performance and longevity of residential and commercial systems. Clients benefit from same-day service availability and transparent pricing.
Heat Pump Installation
We specialize in energy-efficient heat pump installation tailored to Connecticut's climate. Our experts assess property specifications to recommend the ideal system, including ductless mini-split options. Mitsubishi product partnerships ensure cutting-edge technology and reliability. Post-installation support includes performance optimization and maintenance guidance for long-term efficiency.
Boiler Services
Mid-State Mechanical-State Mechanical offers complete boiler solutions, from Weil-McLain product installations to emergency repairs. Our technicians handle oil, gas, and hybrid systems with precision, emphasizing safety and efficiency. Regular maintenance packages extend equipment lifespan while ensuring compliance with environmental standards. Clients receive detailed system assessments and cost-saving recommendations.
Questions
Does my furnace require annual maintenance?
Yes, annual maintenance ensures safety, efficiency, and longevity of fuel-burning heating systems.
What areas do you service?
We serve all Central Connecticut communities, including Mid-State Mechanical-State Mechanicaldletown, Rocky Hill, and Hartford areas.
Do you offer emergency HVAC service?
Yes, we provide 24-hour emergency repair services for urgent heating and cooling needs.
Can you convert oil systems to natural gas?
Yes, our team specializes in oil-to-gas conversions using modern, efficient technology.
Reviews (6)
Jillian Foley Cusano
Jul 22, 2021 Report
Midstate Mechanical was extremely helpful when my fiance and I arrived home after a week long vacation to no hot water. Their 24 hour phone service was awesome in helping us troubleshoot the problem to see if we could fix it on our own. After realizing it was a bigger issue, they came out first thing Monday morning and fixed the problem right away, all while educating us on the boiler system. Extremely friendly and helpful people!
Debbie & Kevin Linke
Feb 14, 2021 Report
We started working with Midstate because they were servicing the Heating and Air Conditioning units in our home with the previous owner. When our 1988 furnace went out, we received quotes from two other contractors. Midstate had a fair price, knew their equipment well, and were knowledgable about the requirements we would need to meet for the CT Heat Loan program. We decided to continue with Midstate and they were helpful from start to finish.

They were quick with the paperwork for the state and when everything was approved, were efficient with the installation. The furnace work was a clean and professional job, and went beyond our expectations. They were (and are) professional, and addressed any concerns we had in a timely manner. We would recommend them to anyone looking for a reliable and local contractor.
Gary W.
Jan 07, 2021 Report
Larry and Donna, It is a pleasure to find a company whose people are professional and do what they say they are going to do in a timely manner. No pressure sales, just answered my questions and suggested what I should do. I had Mitsubishi mini splits installed in my home in basically one full day and Larry and his workers were extremely tidy in their work. If you are looking for a heating/cooling equipment call Midstate. Pricing was very good and service was excellent. I saved about $200/month off my heating bill in January and February. Thank you Larry and Donna. Gary Walcott
Barbara M.
Jan 22, 2020 Report
I needed a replacement heat pump unit and was extremely happy with Midstate's service. Larry and his employees were extremely thorough and professional. They always replied to my calls and emails quickly. I highly recommend them!
Walter Czech
Mar 10, 2019 Report
What a FABULOUS company to work with when my boiler died. The crew of Donna, Matt, Frankie, and Larry went way beyond the call with the installation of my boiler, on very short notice. They were very understanding, professional and extremely neat. I would highly recommend Mid State for all your heating repairs. Thanks again!
George McCulloch
Feb 07, 2019 Report
These guys are great! Complete professionals and great people besides. On a tough central air replacement they were on time and finished the job ahead of schedule. We will absolutely keep them as our Heating and AC pro's and we would feel comfortable going to them for any other services they provide. And Kudos also to Donna. She took great care of all our needs and calls.