Best Furnace Installation in Lee’s Summit & the KC Metro Area — FREE Estimates!

The right furnace size (measured in BTUs) depends on your home's square footage, insulation level, window types, ceiling height, sun exposure, and a lot of other fun stuff. It’s pretty complex if you’re doing it right. But doing it wrong (like basing size off the system you already have, like a lot of other contractors do) could spell disaster. Oversized units short-cycle and waste energy, while undersized ones run constantly without keeping up. We want to avoid that!

A professional load calculation (using Manual J standards) is the only accurate way to size a furnace. We always perform this detailed assessment during the free estimate to ensure the furnace fits your home perfectly for even heating and efficiency.

AFUE (Annual Fuel Utilization Efficiency) measures how much gas is converted to usable heat. The higher that number is, the lower your energy bills will be. In 2026, the federal minimum is around 80–95% depending on the model, but for real savings in Kansas City, aim for 95%+ AFUE (many American Standard models reach 96–98%). Higher-efficiency units cost more upfront but pay back quickly through reduced gas use, especially with local utility incentives or financing.

We recommend American Standard furnaces. They're known for reliability, quiet operation, and strong performance in places like Kansas City, which can see temperatures plunge if the conditions are right.

As American Standard Platinum Certified Dealers, we have deep training on their products, priority access to parts and promotions, and the expertise to install them correctly every time. This means you get high-quality systems backed by excellent warranties and our commitment to doing the job right.