Interstate Heating Inc. is a reliable company that offers efficient and professional service for heating and cooling issues. Customers appreciate the knowledgeable staff, who promptly diagnose and resolve problems. Technicians, like Joey Marrocco, have successfully addressed furnace and air conditioning concerns, ensuring systems are up to code and functioning well. With a focus on customer education about maintenance, this company receives high recommendations for its reliable service and positive experiences.
Very, very happy to have met Nathan of T-mark services Come quickly and fix my problem. The issue with our whole house air-conditioning!
Additionally, extremely reasonably priced and fast service. Nathan explained the issue and was able to fix it relatively quickly. I think I have a new regular service provider! 👍 And even more happy to find out they don’t just do Heating And Cooling but they have some electrical, plumbing, and even weekend Services. I took a picture of Nathan working Below. Very happy with the professionalism and communication. Glad to find T-Mark And I will Definitely use them again.
Aug 2026
5.0★★★★★
Nick was very professional and helpful! He arrived on time and listened to our observations. He quickly assessed our concerns and fix the issue with our AC and cleaned it. We really appreciate this kind of service.
Dec 2025
5.0★★★★★
We had Interstate/T-Mark install 2 new electric heat pump forced air units in a home we are renovating. These replaced an old boiler system for heat and allows us to have AC. Duane, Joe and Kevin were friendly and professional. They were easy to communicate with and we appreciated their flexibility with scheduling and the project layout. Overall we feel the new systems will add value and comfort to our home for a good price.
