facebook logo HVAC Services | HVAC Repair - Exton, Wilmington, King of Prussia


Our commitment is to build long lasting relationships with our customers by providing the clear choice for heating, cooling and plumbing solutions with our team of qualified, reliable and thoroughly trained personnel. We have emphasized quality, integrity and honesty in all that we do, and always will. We strive to be the community employer of choice for like-minded individuals who share our vision of customer service beyond compare.

For more than six decades now, ServiceMark has been providing comfort without compromise. Today, our exceptional team of technicians, installers, master plumbers, sales professionals and support staff consider your satisfaction their success.

With physical locations in Exton and King of Prussia, Pennsylvania and New Castle, Delaware, we are able to provide HVAC installation and repair services and more to Delaware, Chester, Montgomery and Bucks Counties in Pennsylvania, New Castle, and Kent Counties in Delaware and Cecil County in Maryland.

View a full list of the areas we serve

Areas we serve

Here’s why you should consider ServiceMark for your home comfort needs:

We provide WHOLE home comfort solutions

HVAC services
Plumbing (including bathroom and kitchen renovations)
Healthy Indoor Air Products and Services
Equipment Enhancements (including humidification, air filtration and more)
Energy Audits and Weatherization Services
Attic Insulation


More than 65 years of experience
Low employee turnover
Service in 8 counties in PA, DE and MD with physical locations in Exton, King
Of Prussia and New Castle Delaware
A+ Better Business Bureau Rating in Pennsylvania and Delaware
Angie’s List Award Winner


All employees are background checked and drug tested pre-employment (Plus, random testing is continued!)
Focus on both customer and employee safety
Highly trained and skilled work force
We install ENERGY STAR rated equipment. These products use less energy, save money, and help protect the environment.
We don’t use subcontractors for HVAC services or any other type of service


Locally available 24/7! Locations in Exton, King Of Prussia and Wilmington
Trained to assist you quickly and efficiently
All service employees receive carbon monoxide identification training every year


We are licensed, bonded and insured
Installation and service technicians are factory-trained and certified
All service employees are trained in National Fuel Gas Code standards
Building Performance Institute certification for energy audit and weatherization services
NATE certified – the highest accreditation for the HVAC service field


24-hour Emergency Service offered for heating and cooling breakdowns, any day of the week – even holidays
Focus on 100% Customer Satisfaction with our 100% Satisfaction Guarantee
We include a ServiceMark Company Warranty with all the work we do
We provide timely delivery on all our commitments

With our full complement of HVAC repair and installation, plumbing and healthy indoor air products, ServiceMark is standing by to help you.

Contact Us

Comments are closed.