Providing a comfortable home experience.

For over 22 years, we have been providing the home and business owners of northern Maryland and southern Pennsylvania with peace of mind when it comes to their heating and air conditioning needs.

At Siegman if it’s worth doing, it’s worth doing right! Based on that motto we are fully committed to your satisfaction. We service all major makes and models such as Trane, Carrier, RUUD, Lennox, Goodman, and Bryant. We specialize in custom nstalled, complete home comfort systems. So that we can be there when you need us, we offer 24-hour emergency service. Check out our current offers and rebates. To hear from satisfied customers, read some of our customer testimonials. Whether it is your air conditioner, heat pump, furnace, boiler, or more, if you are in the Hanover, PA, York, PA, Littlestown, PA, East Berlin, PA, Red Lion, PA, Dallastown, PA, Shrewsbury, PA, Westminster, MD, Finksburg, MD, Hampstead, MD, Taneytown, MD, Sykesville, MD, or Manchester, MD areas, we can be the only call you need to make.