DeMarco Mechanical was a lifesaver when our gas furnace gave out in freezing weather. Adrian arrived on time, wore full PPE during Covid, and clearly explained every step. Their professionalism and speedy response turned a stressful situation into a smooth fix.

Adrian and the DeMarco Mechanical team are exactly what every homeowner hopes for — trustworthy, experienced, and genuinely friendly. We’ve hired them for both residential and commercial work, and they’ve never let us down. Adrian goes above and beyond to make sure the work is done right the first time. We appreciate their dedication and wouldn’t hesitate to recommend them to anyone looking for quality mechanical services

I’ve worked with a few HVAC and mechanical companies before, but DeMarco Mechanical Services truly sets the bar higher. From the first call to the final inspection, their team was prompt, professional, and incredibly thorough. They diagnosed an issue with our furnace that others had missed, saving us from a costly replacement. It’s clear they care more about quality and long-term solutions than just making a quick sale. Highly recommended for anyone who wants honest work and peace of mind.

I’ve used DeMarco for both residential and commercial jobs, and they’ve never let me down. Their knowledge and attention to detail are unmatched. Whether it's a quick repair or a major installation, they handle it all with skill and professionalism. It’s rare to find a company this consistent — DeMarco has definitely earned a lifelong customer in me.

From booking the appointment to completing the job, DeMarco Mechanical Service made the whole process smooth. They installed our new HVAC system with absolute precision, and the difference in air quality was immediate. The team worked cleanly and efficiently, and left our home spotless. Excellent customer care and real craftsmanship — they truly go above and beyond.

DeMarco Mechanical Service came through when we needed them most! Our AC went out in the middle of a scorching week, and they had a technician at our door within hours. The tech was professional, respectful of our space, and explained everything clearly. The fix was quick and the price was fair. Can’t recommend them enough — reliable and trustworthy from start to finish!

‎Responded fast to a gas leak, found multiple issues, and had our utilities back that day—professional and efficient.

‎Expert design and seamless multi‑head heat‑pump install – hidden mechanical work and home stays comfortable all year.

Adrian provided fast service, even working off-hours to troubleshoot, followed by next-day parts and repairs for the furnace. He always answered the phone promptly. The pricing was fair and transparent.

‎Their team replaced our ductless split heat pump with excellent service, prompt cleanup, and great customer care.

Fast, professional, and clean – Adrian installed a gas oven and new AC with no damage to our home. Honest pricing and stress‑free experience.

DeMarco Mechanical installed my new AC and thermostat flawlessly—no mess, on time, and they even walked me through all the energy-saving features. The unit runs quietly and cleanly, and I couldn’t ask for a smoother experience.

Adrian came out promptly to fix a dangerous gas leak and had our cooking and hot water back in hours. He communicated clearly the issues and resolved everything with skill and care. Friendly, fast, and seriously professional service.

Fast, professional, and clean – Adrian installed a gas oven and new AC with no damage to our home. Honest pricing and stress‑free experience.

‎This was our second experience with DeMarco. They not only fixed a botched HVAC job from another contractor, but also proposed energy-efficient improvements that reduced our monthly bills. No high-pressure sales—just fair advice and excellent work. We’ll be using them for all future HVAC needs.

When a section of our gas line needed urgent repair, Adrian came out within 48 hours with a competitive quote. He worked diligently and tested every part. The job was completed on schedule, with no surprises. Super professional, friendly, and highly recommended."

‎ Our A/C decided to act up unexpectedly. Most companies quoted weeks out and expensive parts. Adrian came the same day, fixed it quickly, and charged a very reasonable price. He cleaned up afterward and made sure we understood everything. Great service!!

‎Our water heater failed and flooded the basement. Adrian recommended a tankless heater, installed it neatly, and did the job impeccably. His pricing was fair, and his workmanship was clearly top quality. Couldn’t be happier with the outcome

‎ Adrian engineered and installed a multi‑head ductless heat pump system in our home—completely concealing the mechanical work and delivering flawless performance. He also took care of our aging boiler, recommending an upgrade and handling everything professionally. Highly skilled and reliable.

I couldn't have been more pleased with every aspect of Demarco Mechanical Services' excellent furnace repair. They arrived within the scheduled window, were very well-mannered, and quick and efficient in their diagnosis and skillful solution to the problem.