There’s a fine line between attention to detail and obsession. The new YORK® LX Series residential split systems cross that line to bring you the most efficient, compact and reliable product range in our history. We’ve invested more than 125,000 hours of research, design and testing to make the LX series fit perfectly in your home while delivering higher levels of efficiency. Check out the extreme engineering and state-of-the-art manufacturing processes that went into creating our most innovative product line yet.