Get ready for summer during the Expert's FREE upgrade sale! Before the sweltering temperatures have you scrambling to replace your A/C this summer, we recommend upgrading NOW during our FREE UPGRADE SALE. The Experts at McElroy Service Experts have negotiated directly with the manufacturer to offer brand new, high-efficiency systems at unbelievable values. That's not all! Save up to $2,226 when you purchase a qualifying Armstrong High Efficiency Home Comfort System AND get a FREE A/C Upgrade!* NO payments and NO interest for SIX months** ALL of our work is backed by our written 100% Satisfaction Guarantee*--or your money back!