Comfort Zone Hvac

JDK Comfort Zone HVAC LLC describes itself on its website as a family-owned company based in Pepperell, Massachusetts. Its MA hvac license 475-SM-B is active on the state registry, held under the name Comfort Zone Heating Cooling. In a 2024 Thumbtack review, a customer said they had Jean from JDK come out to replace their old HVAC system, that Jean took the time to explain their options without any pressure, and that the new system had been working perfectly. In another 2024 review, a customer said most other companies wanted to replace their system completely, but Jéan gave an estimate for a replacement part instead. In a 2024 Angi review of a ductless mini-split A/C install or replacement, a customer said Jean provided a fair and competitive quote, cleaned up thoroughly and finished quicker than expected. In a 2024 Google review, a customer said Jean repaired their heating system and their thermostat without over pricing them. In a 2025 Google review, a customer said they hired Jean to move their outdoor condenser to a new location so they would not hear it on their patio, and that he cleaned up thoroughly after himself. In a 2024 Google review, a customer said Jean answered all their questions patiently and made sure everything was functioning perfectly before leaving. In a 2024 Thumbtack review, a customer rated them 1 star and wrote one word: "Unprofessional".