Do You Have Trouble Heating Your Home? Get help from our HVAC contractor in Berrysburg, PA and Dauphin County If you have an aging HVAC that doesn't cool or heat your home properly, you'll want to connect with a professional HVAC company. CLS Home Services, LLC has the HVAC contractor you need in the Dauphin County and Berrysburg, PA area. Our contractor has been installing and replacing a variety of heating and cooling units for over two decades. Additionally, he's proud to provide free estimates, veteran discounts and financing options.