We're the most comfortable call you'll make

expect more and we'll deliver

Environmental Controls & Service (EC&S) Heating & Air Conditioning has been the premier provider of home comfort systems in Lancaster, Dauphin and Lebanon Counties, Pennsylvania since 1988. We’ve been leading the competition by delivering the highest caliber of heating and air conditioning products and services to our family of valued customers. Our reputation for providing the highest quality heating and cooling is solid in the community. For excellence in heating, cooling, indoor air quality, service, repairs, new installations or for any home comfort accessories such as surge protectors, whole house humidifiers, CO detectors or WiFi thermostats and controls, EC&S is the only heating and cooling contractor you need to remember.

EC&S, Where Our Customers Send Their Friends!

EC&S promises to always deliver prompt, professional service to your complete 100% satisfaction. In fact, we make every effort to respond immediately to every call we receive. Should we make a mistake, you can rest assured that we will correct and resolve the issue as quickly as possible. We want your experience with EC&S to be enjoyable from start to finish. Customers are the lifeblood of our company, and we won’t take that for granted. You can depend on EC&S Heating & Air Conditioning 24 hours a day, 7 days a week, 365 days per year.

Recent Blog posts



Hiring the Wrong HVAC Company will Cost You More in the Long Run

  Imagine needing AC service in Elizabethtown on a 100-degree day in August. You’re in a hurry to find help so that your home can get back to being cool and comfortable as soon as possible, so you open up the phone book (or your Internet browser) and just pick a local company with no



Kids are on Summer Break, but your air conditioner isn’t!

Kids are on Summer Break, but your air conditioner isn’t! Summer break brings plenty of opportunities for families to have fun together by experiencing new adventures. The Lancaster area, as well as the surrounding areas, have some great places, activities and opportunities for fun things to do with children to keep them entertained and happy,



Is Your Air Conditioning System At Risk?

Did you know that one of the best things you can do to keep your Lancaster air conditioning system in great shape, is to have a certified technician come out once per year to perform annual preventive maintenance on it? Some people aren’t aware that AC systems require regular maintenance in order to run as

Why Choose Us?

Right When And Where You Need It

  • 24 hour service, 7 days a week, 365 days a year
  • Serving the Lancaster, Dauphin and Lebanon Counties, PA
  • Fully Stocked Trucks
  • Financing Options
  • Convenient Scheduling by Phone or Via the Web

The Right Team

  • Licensed Professionally Trained Technicians
  • Background Checked & Drug Tested
  • Courteous, Conscientious & Dependable
  • NATE Certified & Ongoing Safety Training

The Right Company

  • In Business Since 1988
  • Fully Licensed & Insured
  • Substantial Experience Servicing All Brands
  • Energy Saving Agreements
  • Permits Pulled & 100% Code Compliant
  • Money Saving Comfort Club Memberships


Teresa, Lebanon, PA

"Wonderful nice man with superior customer service skills. Thank you for furnace service."

Austin, Lancaster, PA

"Outstanding workers, very pleasant and very knowledgeable about their jobs."

George, Dauphin, PA

"Amazing workers, very pleasant and very knowledgeable about their jobs."


31 North Spruce Street,
Elizabethtown, PA 17022

Office Hours:

Monday-Friday 7am - 5pm

24 / 7 Emergency Service Available!

24 hours per day, 7 days per week,
365 days per year
Phone: 877-465-2015
Fax: 717-689-5374

For dependable and prompt service, call our office today or schedule an appointment.