Clark Services Heating & Air Conditioning

I would like to express our sincere appreciation to Clark Services for the outstanding job completed during the installation of our new heating and air conditioning system. From start to finish your team demonstrated professionalism, expertise and a strong commitment to quality workmanship. The crew was courteous, respectful of our home, and took the time to ensure everything was working perfectly before completing the job. It is not often that you encounter a company that delivers such excellent service along with superior results. Thank you again for a job exceptionally well done. We will gladly recommend your company to friends and neighbors in the future. Sid Schenning

In an industry filled with corporate franchises and revolving-door technicians, Clark Services stands alone as the true HVAC authority in Sussex County. We recently hired them for a full system replacement, and it was clear from the first consultation that this is a company built on elite technical expertise and family integrity. The owner, Mark Clark, is the real deal. In a coastal market like Rehoboth Beach, you need a system that can withstand the salt air and high humidity—Mark’s deep local knowledge ensured we didn’t just get a 'standard' unit, but the right unit for our specific environment. What sets the Clark team apart: • Direct Accountability: Mark stands behind his family’s name and his team’s work. That level of personal pride is rare today. • Superior Engineering: They don’t j

We use Clark Services for routine maintenance of our HVAC systems and also had them replace a hot water heater. They are awesome! Professional, friendly, clean work, and they show up on-time. We are using them for a system replacement soon. Would definately recommend

Great experiences with Clark Services over the past few months. They determined the issue with my 23-year old HVAC system. And we obviously decided it was time to replace the system. They were easy to work with, scheduled the job quickly and did the work efficiently. No complaints. Everyone we dealt with was wonderful, either over the phone, in person or via text. It seems to be a well run business.

I was having a routine Maintenance on my Hvac When the Service tech found my end of life unit needed either a major overhaul or replacement. I opted for replacement. I spoke with Mark about my options and he gave me great advice on which unit to go with. I found the service and installation and the team to be professional, courteous, tidy, friendly and everything you would expect. Just an overall great experience. My new unit keeps me warmer for less monthly expense too! I highly recommend Clark Services. Thank you for your guidance and honesty.