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



How Mini Splits Work: Why You Should Go Ductless

With rising heating and cooling costs, more and more people are discovering mini splits as a new way to heat and cool their homes. Mini splits reduce energy consumption and don’t require large intrusive ducts. If you’re thinking about replacing your old air conditioning system or if you’ve just bought a new home, find out



7 Best Ways to Cut Your Use of A/C

Hot summers and rising temperatures can send your energy bills through the roof. But you don’t have to spend a fortune just to keep cool. Try these simple tips and tricks to cut down on your air conditioning expenses this summer. Screen Your Windows If you haven’t already, put a mesh screen over your windows.



Too Cool for School: 7 Best Ways to Stay Cool This Summer

Summer still has a couple months to go. Rising temperatures and endless sunshine are beautiful things, but sometimes we need a break. Cool off this summer with our 7 best ways to beat the heat. Stay in the Shade Relaxing in the shade is a great way to enjoy the outdoors without getting burned. Sunlight

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.