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



Comfort – Sometimes it Comes In Small Packages

The average high temperature in the Elizabethtown and Lancaster, PA area during peak air conditioning season ranges from 73-79 Degrees Fahrenheit in May to 87.23 Degrees in July, and 76.12 degrees in October. Bonus rooms, additions, attic remodels, 4-Seasons rooms, basement, garages, and homes where ductwork cannot be installed, we have the answer.  A ductless



Tips to Keep Your Home Cooling Costs Low this Spring

As outdoor temps rise during the spring, many of us reluctantly turn on the air conditioning in Lancaster, PA  – but at what cost? You know your utility bills will rise, so it’s important that homeowners do everything possible to keep that increase to a minimum. Although you might be tempted to keep your AC



4 Things You Need to Know about Your Home’s Air Conditioning Unit

The Air Conditioning and Heating  system of any home is vital to the health, safety and comfort of those inside of the home. Just like any large investment, your Air Conditioning system requires some special attention every so often in order to ensure that it stays in the best and most efficient operating condition possible.

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.