Business Details
50 Years
experience
Emergency
services
Your Trusted Plumbing & HVAC Experts in Wilmington, MA
CMS Plumbing, Heating, and Cooling has been a family-owned and operated business since 1976, rooted in Wilmington, MA. Our founder, Chuck Mulik, began his journey as an appliance repairman before earning his plumbing license through night school, laying the foundation for a company built on integrity and hands-on expertise. Over the decades, our family expanded into the business, with Chucks son Dave now leading as President, merging decades of generational knowledge with modern innovation. We specialize in plumbing, heating, and cooling solutions, prioritizing upfront pricing, premium equipment, and transparent communication to eliminate surprises for our customers. Our 12-year equipment warranty, industry-leading preventative maintenance programs, and commitment to resolving issues promptly reflect our core belief: customers deserve peace of mind, not pressure.With over 50 years of combined experience, we serve homeowners and contractors across Massachusetts, ensuring every service call strengthens the trust weve built since day one. Our partnerships with programs like Mass Save and RMLD further demonstrate our dedication to energy-efficient solutions, while our Google Guaranteed status and 4.9-star rating with 400+ reviews underscore our reliability. From emergency repairs to system installations, we approach every job with the same philosophy that guided Chuck Mulik in 1976: treat customers like family, deliver quality work, and stand by our promises.
Services
Plumbing Install
Sump Pumps
Water Heaters
Water Softener
Water Filtration
Boiler
Gas Furnace
Geothermal Heat Pump
Central Air Conditioning
Details
- Year established: 1976
Highlights and features
- We offer 50+ years of combined experience in plumbing and HVAC services.
- Our 12-year equipment warranty is the longest in the industry at no extra cost.
- We provide upfront pricing with no hidden fees or surprise charges.
- Our team communicates proactively with day-of reminders and technician photos.
- Flexible financing options let you address home needs without upfront financial strain.
What people say
Great experience
Knowledgeable technicians
Polite and efficient
Trust CMS
No mess left behind
Services
Plumbing Install
Our plumbing installations ensure durable, code-compliant systems for new builds or renovations. We handle full-home piping, fixture installations, and sewer line connections using top-tier materials. Customers benefit from long-term reliability and reduced maintenance needs.
Water Heater Installation
We specialize in high-efficiency tankless and indirect water heater installations. Our experts ensure optimal placement and integration with existing systems, providing endless hot water while lowering energy costs for homeowners.
HVAC Install
From boilers to geothermal heat pumps, our HVAC installations prioritize energy efficiency and comfort. We offer system design consultations, ensuring proper sizing and compatibility with your homes infrastructure for maximum performance.
Water Filtration
Our water filtration solutions address hard water and contaminants through customized systems. Services include whole-house filters and softeners that protect plumbing while improving water quality for drinking and household use.
AC Tune-up
Preventive AC maintenance includes coil cleaning, refrigerant checks, and system diagnostics. Regular tune-ups extend equipment lifespan, maintain efficiency, and reduce emergency repair risks during peak summer months.
People
Chuck Mulik
Founder
Founded CMS in 1976 after working as an appliance repairman and earning his plumbing license through night school. Built the business on principles of integrity and customer-first service.
Dave Mulik
President
Chucks son who joined the business in 2000, earned his master plumbing license, and now leads CMS. Merged his fathers legacy with modern technology to expand service offerings.
Questions
What services does CMS Plumbing, Heating, and Cooling offer?
We provide plumbing, heating, cooling, and water treatment services including installations, repairs, and maintenance for residential and commercial properties.
Do you offer emergency service?
Yes, we provide 24/7 emergency support for urgent plumbing or HVAC issues with technicians available at (978) 267-5986.
What areas do you serve?
We serve Wilmington, MA and surrounding communities across Massachusetts for all plumbing, heating, and cooling needs.
Do you have financing options?
Yes, we offer flexible financing to help customers address home comfort needs without upfront financial burden.
What warranties do you provide?
We offer the industry’s longest 12-year warranty on HVAC equipment at no additional cost to customers.
Are your technicians certified?
Our team includes licensed plumbers and HVAC specialists with ongoing training to ensure expertise in the latest technologies and techniques.
Reviews (1)
Jan Moreira
May 31, 2018
Report
Had a 11am-12pm scheduled appointment. Received a call around 10:30 saying they were running late. I asked how late and was told they would call me.